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Projection device

Subclass of:

348 - Television

348739000 - VIDEO DISPLAY

Patent class list (only not empty are listed)

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Class / Patent application numberDescriptionNumber of patent applications / Date published
348745000 With alignment, registration or focus 67
348750000 Plural parallel light modulators 55
348759000 Single light modulator 33
348789000 Cabinet or chassis 29
348748000 With cooling device 6
348776000 Cathode-ray tube image source 2
20090002574Method and a system for optical design and an imaging device using an optical element with optical aberrations - A method for designing an imaging device. The method comprises receiving specification of a final image mapping a three-dimensional environment according to a predefined mapping and an optical unit with an optical aberration. The method further comprises estimating an optical design of the optical unit with the optical aberration. The optical unit is configured for projecting a uncorrected initial image according to the optical aberration. The method further comprises calculating an algorithmic correction for the uncorrected initial image. The algorithmic correction is designed for compensating for the effect of the optical aberration on the uncorrected initial image. The method further comprises manufacturing the imaging device. The manufactured imaging device having the optical design and applying the algorithmic correction on the uncorrected initial image, thereby outputting the final image without the effect produced by said optical aberration and with said predefined mapping.01-01-2009
20100182516COMPLEX IMAGE DISPLAY DEVICE - A complex image display device comprises a light source, an illumination optical module, a micro display module, at least one optical projection module, at least one image-light-path switch module, an image-light-path control unit, and at least one image display screen, wherein the light source provides a light beam, the illumination optical module receives and shapes the light beam, continuously the light beam is projected by the illumination optical module. The micro display module provides an image-to-be-displayed and the light beam is then modulated by the image to become at least an image-modulated light beam for displaying. Then, the optical projection module receives and magnifies the image-modulated light beam. Continuously, the image-light-path switch module receives the magnified image-modulated light beam and switches the light path of the light beam. The image display screen, thus, receives and displays the magnified image-modulated light beam, which is switched by the image-light-path switch module.07-22-2010
Entries
DocumentTitleDate
20090195708Image Projection Device, Image Projection Method, Computer Readable Recording Medium Recording Program Used in Image Projection Device - An image projection device which can freely set access information to other devices which are connected to a communication network and exhibits excellent user-friendliness and secrecy is provided. An image projection device acquires image data via the communication network and projects an image based on the image data. The image projection device includes: a receiving unit which receives an E-mail transmitted from another device which is connected to the communication network and containing information on the image data; a content analyzing unit which analyzes a content of the E-mail received by the receiving unit; and an image data acquiring unit which acquires the image data via the communication network based on an analysis result obtained by the content analyzing unit.08-06-2009
20090167963PROJECTION DISPLAY APPARATUS USING MICROLENS ARRAY AND MICROMIRROR ARRAY - A projection display apparatus using a microlens array and a micromirror array comprises a substrate, multiple micromirror arrays and multiple microlens arrays. The substrate is disposed apart with a predetermined distance from a light source. The multiple micromirror arrays are disposed over the substrate to be assembled together to have a predetermined incidence angle with respect to the incident rays. The multiple microlens arrays are configured to correspond to the micromirror arrays. More specifically, a first microlens array is disposed in a predetermined region between the light source and the substrate and comprises multiple microlenses. A second microlens array is disposed in a light path of reflection rays reflected from the micromirrors.07-02-2009
20100079683DISPLAY APPARATUS - A display apparatus is provided which, when projecting a video onto a curved surface of an object for display, can realize an undistorted display of the video. The measuring means outputs the distance information representing the distance to the object. Based on the distance information produced by the measuring means, the curved surface contour is detected with high precision. According to at least the detected curved surface contour distortions, pixels of the display image are unevenly rearranged to correct the video information before it is output. This arrangement realizes an undistorted display of video when the video is projected onto the curved surface of the object.04-01-2010
20110194035IMAGE PROJECTION DEVICE - An image projection device that includes an optical projection system including: a projection lens arranged with an optical axis thereof shifted with respect to a light modulation device to project the light beam obliquely onto the screen; a flat mirror that reflects the light beam from the projection lens, has a rotation center on a side thereof on which a light beam having a long path from the projection lens to the screen is reflected, rotates around the rotation center and adjusts an angle of the light beam; and a curved mirror that reflects and magnifies the light beam from the flat mirror, has a rotation center on a side thereof on which a light beam having a short path from the projection lens to the screen is reflected, rotates around the rotation center and adjusts the angle of the light beam.08-11-2011
20100073579OPTICAL MEMBER, DISPLAY DEVICE USING THE OPTICAL MEMBER AND MOVABLE BODY USING THE DISPLAY DEVICE - There is provided an optical member comprising: a first optical layer having: a first main face formed with a concave section having a concave curved surface, and a plurality of convex ridges having concave curved surfaces provided in concentric circular fashion around said concave section; and a second main face formed with: a convex section having a convex curved surface that is provided facing the concave section and constituting a second main face facing the first main face; and a plurality of convex ridges having convex curved surfaces provided facing the plurality of convex ridges having the concave curved surface, provided in concentric circular fashion around the convex section; and a second optical layer provided on the first main face of the first optical layer; and a third optical layer provided on the second main face of the first optical layer; wherein the refractive index of the first optical layer is higher than the refractive index of the second optical layer and is higher than the refractive index of the third optical layer.03-25-2010
20100073578IMAGE DISPLAY DEVICE AND POSITION DETECTING METHOD - The present invention provides an image display device allowing accurate detection of a pointed position on a projection image to be achieved. The image display device include: an image light generating section generating image light based on an input video signal; a projecting section projecting the image light onto a screen to form a projection image; a reflection light splitting section splitting part of reflection light of the projection image from the screen to another direction; a light receiving section receiving the split light; an image generating/obtaining section generating a display image from the video signal and obtaining the projection image corresponding to the inputted video signal from the light receiving section; a position detecting section detecting a position pointed out on the projection image as a pointed position based on the display image and the projection image to output information of the pointed position on the projection image.03-25-2010
20080297668VIDEO PROJECTION DEVICE - A video projection device includes: a video display element, a projection lens, a converter lens, and a video processing part. The video display element displays a video by an electrical video signal. The projection lens projects on a screen the video displayed on the video display element. The converter lens is attachably and detachably provided for the projection lens. The video processing part outputs different video signals to the video display element in accordance with whether or not the converter lens is attached.12-04-2008
20130033651PROJECTION-TYPE VIDEO-IMAGE DISPLAY APPARATUS - A projector includes an excitation light source and a color wheel which is rotatable, with an axis in parallel to an optical axis of the excitation light source serving as a rotation axis. The color wheel includes two phosphors arranged adjacent to each other in a direction of rotation and emitting G light and Ye light respectively as they are excited by excitation light from the excitation light source. The projector further includes a phosphor drive portion which drives the color wheel to rotate such that the two phosphors emit light in a time-division manner within 1 frame period, a video signal analysis portion which analyzes a video signal for each piece of image data in each frame, and an excitation light source drive portion which sets an intensity of excitation light emitted to each phosphor in accordance with a result of analysis by the video signal analysis portion.02-07-2013
20130033650DISPLAY SYSTEM AND METHOD FOR PROJECTION ONTO MULTIPLE SURFACES - A system for projecting changeable electronic content, such as video or digital still images, onto multiple surfaces. The system includes a projector, one or more reflectors, and at least two display surfaces. The projector via a reflector projects content onto one of the display surfaces and either directly or via another reflector projects content onto the other display surface. The display surfaces can be multiple curved surfaces, multiple planar surfaces in different viewing planes, or a curved surface and a planar surface. For the curved surfaces, the projector receives converted content and projects the converted content such that the curved surface displays the converted content undistorted to a viewer. The system can also provide for display of branded content on a product container having a shape corresponding with the brand.02-07-2013
20100045879MATRIX DISPLAY INTERFACE FOR PRESENTATION SYSTEM - A matrix display interface for a presentation system includes a plurality of data units, a main switching element, a plurality of column switching elements, a plurality of row switching element, and a plurality of grid switching elements. The data units are arranged on a display interface and are written with presentation data in advance. The presentation system is operated on a computer. A user may click the switching elements to selectively display or conceal or highlight all the data units, a whole column of data units, a whole row of data units, or a single data unit. Thereby, a speaker of a presentation may selectively present the content of the presentation to draw the attention of the listeners, so that the speaker and the listeners may have positive interactions during the presentation.02-25-2010
20100328552Projection-type display apparatus and control method for projection-type display apparatus as well as control program for Projection-type display apparatus - Exemplary embodiments provide a projection-type display apparatus, which can address or realize a reduction in weight and size, a reduction in power consumption, and a reduction in noise, and address or realize a reduction in price, and a control method for the projection-type display apparatus, as well as a control program for the projection-type display apparatus. The projection-type display apparatus includes a solid-state light source that emits light, a mirror device that controls an emitting direction of the incident light to thereby subject the incident light to temporal modulation, and a projecting device that projects the modulated light.12-30-2010
20120182484ILLUMINATION DEVICE AND PROJECTION DISPLAY DEVICE USING SAME - An illumination device comprises a light source (07-19-2012
20090051826Method and Related Display Device for Displaying Pictures in Digital Picture Slide Show - A method for displaying pictures during a digital picture slide show includes receiving a plurality of pictures, determining display characteristics of the plurality of pictures according to weighting values of the plurality of pictures, and displaying the plurality of pictures according to the display characteristics of the plurality of pictures.02-26-2009
20090040394Image Processing Device and Associated Operating Method - The invention relates to an image processing device (02-12-2009
20090040396IMAGE PROCESSING SYSTEM, PROJECTOR, METHOD AND COMPUTER PROGRAM PRODUCT - An image processing system includes a determination unit that determines a distortion state of a projected image, and a correction unit that performs distortion correction of the image according to the distortion state, wherein the correction unit performs distortion correction calculation using either an intersection point of diagonal lines of the image after distortion correction in a display area of an optical modulator or a center of gravity of the image as the origin.02-12-2009
20090040395IMAGE DISPLAY APPARATUS - An image display apparatus is provided with a slim design and improved illumination efficiency and which is able to suppress degradation of contrast thereby eliminating ghosts. The image display apparatus includes: a light source; a condensing mirror which condenses light emitted from the light source and makes a virtual secondary light source; a light tunnel on which light passing through a color filter is incident; a relay lens system through which light exiting the light tunnel passes; a first mirror on which the light passing through the relay lens is directly or indirectly incident; a reflective display including a plurality of micromirrors arranged on a substrate in a matrix, on which the light reflected off the mirror is incident, wherein each micromirror is turned ON or OFF by individually changing the slope of the micromirrors and thus angles of reflection; and a projection lens which enlarges and projects light reflected from the micromirrors in the ON state, wherein the relay lens system and the first mirror are disposed opposite to each other with an optical axis of the projection lens interposed therebetween.02-12-2009
20100007803SYSTEM AND METHOD FOR ILLUMINATING A MICRODISPLAY IMAGER WITH LOW ETANDUE LIGHT - There is provided a system and method for illuminating a microdisplay with low etendue light. More specifically, in one embodiment, there is provided a video unit comprising a microdisplay imager and a light engine comprising a light source configured to produce a low etendue beam of light, and a plurality of lenses configured to shape the low etendue beam of light to correspond to one or more dimensions of the microdisplay imager.01-14-2010
20090091666Image Projection Apparatus - An image projector according to the present invention includes a light source for emitting a laser beam, of which the intensity has been modulated in accordance with a modulation signal representing an image to be projected, and a beam deflection section for deflecting the laser beam two-dimensionally such that the image is produced by repeatedly scanning a screen with the laser beam in a predetermined pattern. The predetermined pattern has a repetitive frequency that is lower than a frame rate of the image.04-09-2009
20110058109IMAGE DISPLAY APPARATUS, IMAGE DISPLAY METHOD, AND RECORDING MEDIUM HAVING IMAGE DISPLAY PROGRAM STORED THEREIN - A projector is provided which divides and projects a single image onto two different projection surfaces and appropriately performs virtual user interface through one projection surface. The projector projects a VUI screen image on a desk and projects a main projected screen image on a wall. The projector includes a light-receiving element. The light-receiving element is installed at a position that receives light emitted to the desk (the projection surface of the VUI screen image) and reflected (or scattered) by an object in the vicinity of the desk. The projector calculates a position of the object based on a light detection timing of the light-receiving element and a scanning position of light at each time. The projector changes a projected image based on the calculated position. The projector displays a designated region of the VUI screen image (for example, a region including the position of the object or an icon display region or a region surrounding an icon) to be brightened.03-10-2011
20110013096VIDEO PROJECTOR - A projector includes a lamp used as a light source, a lamp driver that drives the lamp by supplying a lamp current to the lamp, and a control unit that controls the lamp current with the lamp driver. The control unit controls the lamp current that is supplied when commencing illumination of the lamp in correspondence with an activation frequency of the lamp.01-20-2011
20110013095Portable Projector - A projector and a system comprising a projector and a handheld device are described. In a preferred embodiment, a projector for projecting an image includes a back section and a front section. The back section has a bottom surface for resting on a supporting surface, and the front section has an optical window for projecting light indicative of the image. The front section is tilted with respect to the bottom surface of the back section to define a tilt angle. The system includes a video-output generating handheld device, and a display device controlled by control signals generated by the handheld device. The handheld device and the display device are interconnected with no more than one physical video signal connection.01-20-2011
20090268102PROJECTION APPARATUS PROVIDED WITH AN ADJUSTABLE FILTRATION SYSTEM AND METHOD THEREOF FOR ADJUSTING THE COLOUR COMPONENTS OF A LIGHT BEAM - A projection apparatus is described, which is provided with a lamp generating a light beam with a plurality of spectral elements. The projection apparatus comprises at least one band-cut filter and moving means which change the position of said band-cut filter dynamically relative to the optical path of the light beam within the projection apparatus. The invention also relates to a method for adjusting the colour components of a light beam.10-29-2009
20120224109OPTICAL ELEMENT, SCREEN, AND DISPLAY DEVICE - A screen includes a light diffusion layer in which microcapsules, each having therein a light diffusion liquid that scatters light for displaying a video image, are planarly arranged. The light diffusion layer is fixed to a supporting sheet by a binder material. On a surface of the supporting sheet, a Fresnel lens is formed. A light diffusion plate is made up of the light diffusion layer and the supporting sheet. The screen is made up of the light diffusion plate and a light diffusion plate. Scattering distribution of a scattered wave of light that passes through the light diffusion layer temporally changes.09-06-2012
20090009666TERMINAL WITH PROJECTED DISPLAY - A mobile data and/or communication terminal is provided which includes an optical system for the generation of a projected display as well as parts for stabilizing the display when the terminal is moved.01-08-2009
20120113330COMPUTING DEVICE WITH IMAGING FUNCTION AND AUTO-FOCUSING METHOD FOR PROJECTION THEREOF - A auto-focusing method for projection of a computing device with imaging function is illustrated. The computing device exemplarily includes a projection unit, an image receiving unit, and a processing unit. The method firstly controls the projection unit to project images on plural positions along an optical axis. The method then controls the image receiving unit to receive the images, which are regarded as candidate images, projected on the positions by the projection unit. The candidate images correspond to the projective positions. The method further receives the candidate images captured by the image receiving unit, and compute their definitions. Therefore, the image with a greatest definition may be acquired and regarded as a focus image. The focus image's corresponding position is a focus position. After acquiring the focus position, an image may be projected thereon. The illustrated computing device is enabled to complete the image focusing automatically.05-10-2012
20120113329LASER PROJECTOR - A laser projector has a cursor control unit, a main control unit, a laser generator and a scanning lens. The cursor control unit is used to generate and transmit cursor signals; the main control unit is used to obtain and process video signals and the cursor signals, both of which are combined into cursor video signals and transmitted; the laser generator is coupled to the main control unit for generating and projecting laser beam according to the cursor video signals; and the scanning lens is coupled to the main control unit for receiving the laser beam and projecting it outward in a predetermined scanning manner. The laser projector of the present invention uses laser resource itself to project laser cursor generated by the cursor control unit onto a screen, so that it is unnecessary to additionally use a laser pointer, and the operation of the laser projector is relatively simple.05-10-2012
20120236212OPTICAL MULTIPLEXING APPARATUS AND PROJECTOR - An object of the present invention is to provide an optical multiplexing apparatus and a projector that keep an optical system small, and easily adjust a number of light source units. The optical multiplexing apparatus has: a light source section that uses light source units to emit collimated beams; a first lens portion that converges the collimated beams which enter at different incident angles from each other to define converging positions; and a second lens portion that has focal points that correspond to the converging positions, respectively, wherein the first and second lens portions form an optical reduction system, and an optical axis of the second lens portion, which is directed to the corresponding focal point to one of the converging positions, extends along anther optical axis of the second lens position, which is directed to the corresponding focal point to another of the converging positions.09-20-2012
20100208149PROJECTOR - A projector includes: a light source; an image processing section adapted to perform an expansion process of an aspect ratio in either one of a horizontal direction and a vertical direction of an image to be formed by an image signal input; a light modulation element adapted to modulate light from the light source to form an image on which the expansion process is performed; a projection optical system adapted to project the image, formed by the light modulation element, on a projection surface; and an anamorphic zoom optical system adapted to be capable of changing a magnification ratio of the image with respect to a direction different from a direction, along which the expansion process is performed in the image processing section, out of the horizontal direction and the vertical direction.08-19-2010
20090251620TELEVISION AUTOMATIC GEOMETRY ADJUSTMENT SYSTEM - In projection television (PTV) systems utilizing folded optical systems such as a rear projection CRT, DLP, LCD, or LCOS based televisions, or the like, an automatic geometric alignment (AGA) system including a first programmable logic, a second programmable logic operably coupled to the first programmable logic, and light sensors positioned in the over-scan region along the border of the screen and operably coupled to first programmable logic. In operation, the first programmable logic causes an on screen display (OSD) system to display and move test patterns on the screen and, using feed back data received from the light sensors, determines the geometric alignment and/or pin cushion effect error in the displayed test pattern. The second programmable logic, which includes deflection shaping circuitry to align, center or steer the beams from the projection systems, utilizes data received from the first programmable logic to compensate for geometric alignment error.10-08-2009
20090190044Mini-projector and detachable signal connector thereof - A mini-projector and detachable signal connector thereof are provided. The mini-projector applied to an electronic device comprises a projecting main body and a detachable signal connector. The detachable signal connector has at least a connecting unit. The connecting unit is electrically connected to the electronic device and transmits an image signal from the electronic device to the projecting main body.07-30-2009
20110279738CONTROL DEVICE AND PROJECTION VIDEO DISPLAY DEVICE - A projection video display device is provided with a projection unit configured to project a video onto a screen via a lens; and an image pickup unit configured to image the screen. A brightness component selection unit receives an image imaged by the image pickup unit when reference light is projected onto the screen and select, of brightness components of pixels forming the image, a brightness component having the maximum value. An exposure correction unit originates a signal for adjusting exposure time in an image pickup device in the image pickup unit with reference to the selected brightness component. A color correction unit receives an image captured by the image pickup unit after the adjustment and corrects the video so that the brightness components are in equal proportion.11-17-2011
20090310038Projection in response to position - The present disclosure relates to systems and methods that are related to projection.12-17-2009
20100201893RECONFIGURABLE TACTILE CONTROLS AND DISPLAYS - New methods and apparatus are provided for efficiently and safely providing controls and displays therefore, particularly, but necessarily to be used within the center stack region of a vehicle instrument panel. The apparatus utilizes, in most embodiments, a rear projection display and machine vision sensing of control position and, optionally, finger touch. A very stylistic and easy to use instrument panel results which can be programmed or otherwise provided in many different forms to suit different users or option package designs.08-12-2010
20110298994AIR FILTER CLEANER AND VIDEO PROJECTOR - An air filter cleaner includes an air filter that captures dust. A brush cleans the air filter. A dust box collects dust from the brush. A rotary shaft rotates the brush. A moving mechanism moves the brush and the dust box using the rotation of the brush. A one-way clutch connects the brush and the rotary shaft.12-08-2011
20110298993REAR-SURFACE PROJECTION-TYPE VIDEO DISPLAY APPARATUS - A rear-type projection board apparatus (rear-surface projection-type video display apparatus), of new structure, having no necessity of a housing, being superior in portability, cheaply producible, comprises a transmission-type screen 12-08-2011
20090109349IMAGE DISPLAY DEVICE - An image display device includes a light source, a diffractive optical element adapted to diffract a light beam emitted from the light source, and a light modulation element adapted to modulate a diffracted light beam obtained by the diffractive optical element, and a diffraction characteristic of the diffractive optical element is controlled based on a diffractive optical element control signal provided to the image display device.04-30-2009
20100033639PROJECTOR, CONTROL METHOD AND COMPUTER PROGRAM PRODUCT - A projector includes: a storage portion that stores set identification name data describing the set identification name of an adjustment value set including an adjustment value for each set type for projecting images, predetermined character string data describing plural kinds of predetermined character strings usable as the set identification name and menu image data; a projecting portion that projects an identification name setting image showing the plural kinds of predetermined character strings as selectable on the basis of the predetermined character string data and the menu image data; an input portion that inputs identification name setting information describing the character string selected on the identification name setting image; and an update portion that updates the set identification name data on the basis of the identification name setting information.02-11-2010
20090195707LASER PICTURE FORMATION DEVICE AND COLOR PICTURE FORMATION METHOD - The laser picture formation device includes a two-dimensional modulation element performing video image modulation as well as four or more laser light sources having different center wavelengths. The video images which have no speckle noises at the wavelength region that has high visibility, which are realized by simultaneously emitting the laser lights of green (G) and yellowish green (Y) which have particularly high visibility, and video images which are vivid as cannot be represented by the conventional display, and which can be realized by controlling the laser lights of respective colors independently, can be displayed. Particularly, by modulating the two-dimensional modulation element and the laser light output with synchronized with each other, various video displays are enabled.08-06-2009
20090190043Single panel projection system - A single panel projection system that comprises an illumination system which produces spatially separated color illumination segments. A display panel having at least two segments displays corresponding color information, which is aligned with the corresponding color illumination segments. A projection lens system combines the at least two segments together into a full color picture by using an angular-color-mixing technique. The system comprises only a single panel, therefore the system cost is lower than that of other three panel systems. The system has no moving color filter, so color artifacts related to color sequential method are eliminated. Color energy is distributed to three color segments at any time, therefore the light efficiency is high.07-30-2009
20090128715PROJECTION DEVICE FOR IMAGE PROJECTION WITH DOCUMENT CAMERA DEVICE CONNECTED THERETO, PROJECTION METHOD, AND STORAGE MEDIUM - A projection device comprises an input section for inputting an image signal, a storage section for storing the image signal input by the input section after adding identification information thereto, a projection section for forming and projecting an optical image corresponding to the image signal, and a projection control section for using an image signal currently input by the input section and the image signal already stored in the storage section to cause the projection section to project, as one image, a plurality of screens together with indications based on the identification information for the respective screens.05-21-2009
20100103331FREQUENCY AND SPECTRAL DOMAIN SOLUTIONS FOR PREVENTION OF VIDEO RECORDING - A projection system has a projector having a frame rate exceeding human flicker sensitivity. The projector having warning message frames in between actual video frames. The warning frames are not detectable to humans. A light source which emits infrared light and ultraviolet light at wavelengths and intensities detectable by movie cameras (e.g., camcorders) and undetectable to humans.04-29-2010
20100110308Method, system and apparatus for projecting visible and non-visible images - A method, apparatus and system for projecting visible and non-visible images is provided. The system and apparatus include: a visible light source and a non-visible light source; at least one light modulator enabled for receiving and modulating the visible light and non-visible light to respectively form visible images and non-visible images, the non-visible images formed independent of the visible images; and projection optics enabled for receiving and co-projecting the visible and non-visible images in alignment. Furthermore, video data for projection is formed by replacing a portion of visible bits with at least a portion of non-visible bits in a data stream, such that the visible images and the non-visible images can be co-projected upon processing the video data.05-06-2010
20090153749Portable projector background color correction scheme - According to one embodiment of the present invention, a method of controlling an image projector comprising a multi-color laser source, projection optics, an image sensor, and a movement detection device comprises the projection of an image onto a display surface with the image projector. During projection, a movement signal generated by movement detection device is monitored, the movement signal indicating positional displacement of the image projector. A test pattern image is projected onto the display surface using the image projector, wherein the test pattern image projection is initiated as a function of the monitored movement signal. Thereafter, the projected test pattern image is captured from the display surface using the image sensor. A comparison of projected test pattern image data and captured test pattern image data is used to modify the manner in which subsequent images are projected to correct color distortions represented in the captured test pattern image.06-18-2009
20090153750Image display apparatus - A projector can be connected to a PC through a network. A flash memory in the projector stores a control program and external storage access information indicating an area in an HDD of the PC where a program for implementing an image display function is stored. During start-up, the projector uses the information stored in the flash memory to execute the program for implementing the image display function, under the control of a CPU. That is, the CPU executes the control program to establish network connection with the PC, then references the external storage access information to access a previously assigned area in the HDD of the PC, and reads the program for implementing the image display function to execute it.06-18-2009
20090147153SIGNAL CONVERSION DEVICE, VIDEO PROJECTION DEVICE, AND VIDEO PROJECTION SYSTEM - A signal conversion device supplies a video signal to each video projection device of plural video projection devices that display a video image by superimposing the projection image. The device includes a characteristic information transmitting unit that transmits, to at least one video projection device of the plural video projection devices, characteristic information representing a light modulation characteristic of a light modulation element provided in the at least one video projection device, and a signal conversion processing unit that performs signal conversion processing corresponding to each of the video projection devices to an input video signal in accordance with the characteristic information transmitted from the characteristic information transmitting unit, and supplies the video signal after the signal conversion processing to each of the video projection devices.06-11-2009
20090147152LIGHTING SYSTEM AND PROJECTION TYPE VIDEO DISPLAY APPARATUS UTILIZING THE SAME - A lighting system requiring no precision adjustments thereof and having reduced luminance inhomogeneity is provided, along with a projection type video display apparatus utilizing such lighting system. The lighting system has: a multiplicity of light sources (06-11-2009
20090096938IMAGE CORRECTION APPARATUS, IMAGE DISPLAY SYSTEM, AND IMAGE CORRECTION METHOD - An image correction apparatus that corrects images displayed by a plurality of image display apparatus, the images arranged contiguously or superimposed is disclosed. The image correction apparatus includes a correction reference value generator that generates a correction reference value common to the plurality of image display apparatus based on display characteristics of each of the image correction apparatus that form the plurality of image display apparatus, and a correction data generator that generates correction data for each of the image display apparatus, the correction data used to correct pixel values with reference to the correction reference value.04-16-2009
20090310035Methods and systems for receiving and transmitting signals associated with projection - The present disclosure relates to methods and systems that may be configured to facilitate projection.12-17-2009
20090310040Methods and systems for receiving instructions associated with user parameter responsive projection - The present disclosure relates to systems and methods that are related to transmitting and receiving instructions associated with user parameter responsive projection.12-17-2009
20090310039Methods and systems for user parameter responsive projection - The present disclosure relates to systems and methods that are related to projection.12-17-2009
20090310037Methods and systems for projecting in response to position - The present disclosure relates to systems and methods that are related to projection in response to position.12-17-2009
20090310036Methods and systems for projecting in response to position - The present disclosure relates to systems and methods that are related to projection in response to position.12-17-2009
20110199546PROJECTOR, MULTI-SCREEN SYSTEM, PROJECTOR CONTROL METHOD, COMPUTER PROGRAM PRODUCT, AND INFORMATION STORAGE MEDIUM - A image pickup unit picks up an image of a video projected by a projection unit and outputs the picked-up image. A control unit determines whether the picked-up image includes a projection video other than the video projected by the projection unit or not. If the control unit determines that the picked-up image includes a projection video other than the video projected by the projection unit, the control unit instructs a keystone correction unit to carry out keystone correction of the video signal in accordance with the picked-up image. The keystone correction unit carries out keystone correction of the input video signal or the output video signal so that an edge of the video projected by the projection unit contacts an edge of the projection video other than the video projected by the projection unit.08-18-2011
20090290073IMAGE OUTPUT APPARATUS, IMAGE OUTPUT METHOD, AND PROJECTOR - An image output apparatus includes: a display device having a light modulation section which is divided into a plurality of channels and drives the divided channels; a plurality of level adjusting units that are provided for each channel, adjust the levels of video input signals for each channel, and output adjusted output signals to the display device; an adjustment amount correcting unit that performs a basic correction process; a continuous correction control unit that controls the adjustment amount correcting unit to perform the basic correction process during a first predetermined period; and an intermittent correction control unit that controls the adjustment amount correcting unit to perform the basic correction process a predetermined number of times during a second predetermined period.11-26-2009
20090051827DISPLAY DEVICE - A display device (02-26-2009
20110170021PROJECTOR AND CONTROL METHOD THEREOF - A projector includes: an OSD processing section that generates a synthesized image formed by synthesizing an OSD image on a main image; an image projecting section that projects and displays the synthesized image; a zoom adjusting section that adjusts a zoom state of the image projecting section; and a zoom state detecting section that detects the zoom state that is adjusted by the zoom adjusting section, wherein the OSD processing section adjusts a size of the OSD image with respect to the main image based on the detection result of the zoom state detecting section.07-14-2011
20090201430METHOD AND APPARATUS FOR A WIDE FIELD OF VIEW DISPLAY - A method and apparatus for a uniform resolution display screen. In one embodiment, the uniform resolution display screen comprises a surface of the uniform resolution display screen having a curvature configured to display images with a uniform resolution across the display screen. The curvature is based on a projection distance from a projector to the uniform resolution display screen and a viewing distance from an eyepoint of an observer to the uniform resolution display screen. The geometry of the display screen is configured to display images associated with a high definition imaging format.08-13-2009
20090278998Quantum Photonic Imagers and Methods of Fabrication Thereof - Emissive quantum photonic imagers comprised of a spatial array of digitally addressable multicolor pixels. Each pixel is a vertical stack of multiple semiconductor laser diodes, each of which can generate laser light of a different color. Within each multicolor pixel, the light generated from the stack of diodes is emitted perpendicular to the plane of the imager device via a plurality of vertical waveguides that are coupled to the optical confinement regions of each of the multiple laser diodes comprising the imager device. Each of the laser diodes comprising a single pixel is individually addressable, enabling each pixel to simultaneously emit any combination of the colors associated with the laser diodes at any required on/off duty cycle for each color. Each individual multicolor pixel can simultaneously emit the required colors and brightness values by controlling the on/off duty cycles of their respective laser diodes.11-12-2009
20090262261Projection Display - The present invention provides a projection display capable of realizing high contrast in a display image plane. The projection display includes a light source; a first light modulator modulating light from the light source on the basis of an input image signal, and generating a first image light; a second light modulator modulating the first image light on the basis of the image signal, and generating a second image light; and a projection lens projecting the second image light generated with the second light modulator.10-22-2009
20090262260MULTIPLE-DISPLAY SYSTEMS AND METHODS OF GENERATING MULTIPLE-DISPLAY IMAGES - A display system includes a first and second display source configured to generate first and second images that overlap to form a multiple-display image. Each illuminated point within an overlap region includes a first image pixel contribution generated by the first display source and a second image pixel contribution generated by the second display source. The display system is programmed to select one or more dithering pixels within the overlap region and apply a blending function that alters one or more radiometric parameters of pixels within the overlap region. The blending function includes a deterministic blending function that alters contribution of non-dithering pixels based at least in part on the location of the non-dithering pixel within the overlap region. The blending function also includes a dithering component that alters contributions of dithering pixels within the overlap region of multiple-display image based at least in part on a modification value X.10-22-2009
20090284666DUAL-LINE CHIP DESIGN OF LIGHT MODULATOR - Doubling the resolution of images in a line scan projection system is possible without doubling the length of the modulator or changing the size of the pixels. By arranging an additional pixel row in the modulator, and merging the rows together with half a pixel offset in both directions in the projected image, the resolution may be effectively doubled without significantly increasing the size or speed requirement for the modulator itself.11-19-2009
20090290074PROJECTOR - A projector is provided that plays recording mediums, such as DVD and video tapes, which switches between a projection image to another image by stopping or suspending playback, or starting a playback or recording operation. In S11-26-2009
20090296005LUMINANCE CONTROL METHOD AND DEVICE - The present invention provides a luminance control method and a luminance control device for use with a projection system having a light source and a color wheel. The luminance control device includes a processing module, a power supply unit and a lamp driver. The luminance control method includes steps of issuing a power control signal to define a plurality of time segments in a cycle period, wherein luminance messages composed of different numbers of pulses are included in respective time segments; reading out the luminance messages included in the respective time segments in receipt of the power control signal; and adjusting luminance values of the light emitted by the light source to be projected to the color wheel according to the luminance messages.12-03-2009
20090102986UNIVERSAL JOINT AND IMAGE DISPLAY UNIT - Provided is a universal joint capable of freely regulating a mounting angle of one member with respect to the other member, and an image display unit using the same. The image display unit (04-23-2009
20080211972Projection Screen, in Particular for Video Projection Reducing the Moire Effect - A projection screen comprises a film having a projection side and provided with a number of passages adapted for permitting emitted sound waves to pass through said film. The projection screen is characterized in that these passages are arranged in such a manner that, if alignments can be detected, at least the principal ones have an angle that is not zero with regard to the vertical and horizontal edges of the screen.09-04-2008
20100277655MESH FOR MAPPING DOMAINS BASED ON REGULARIZED FIDUCIAL MARKS - A method includes capturing a first image of a display surface with an image capture device, the display surface having a first plurality of fiducial marks. A first smoothing function is performed on fiducial marks appearing in the first image, thereby generating a first regularized set of fiducial marks having a smooth variation in spacing between adjacent fiducial marks. A first plurality of meshes is generated based on the first regularized set of fiducial marks. The first plurality of meshes is configured to map a first domain associated with the display surface to a second domain associated with the image capture device.11-04-2010
20100060804Projection Type Display Device - A projection type display device 03-11-2010
20100060805PROJECTION DISPLAY DEVICE AND CONTROL METHOD THEREOF - According to one embodiment, a discrimination module that discriminates whether an input image signal is of CG images or natural images, a color correction module that applies color correction processing for CG images to the input image signal when the input image signal is determined to be of CG images or applies color correction processing for natural images to the input image signal when the input image signal is determined to be of natural images, and a projection module that generates an optical image based on the image signal applied with the color correction processing, and projects and displays the image on a screen through a projection lens, are included.03-11-2010
20100060803PROJECTION SYSTEMS AND METHODS - Projection systems and methods may provide improved remote capabilities and interaction with client devices. Further, systems and methods may provide for calibration of a projection system, in particular using an auxiliary device. Further, methods may provide control of audio associated with presentation data, in particular at client devices.03-11-2010
20080239170LOW PROFILE, HIGH EFFICIENCY PROJECTOR FOR HANDHELD ELECTRONIC DEVICES - A low profile projector (10-02-2008
20080278636Optical unit, video display apparatus, and color switching method - A projection-type video display apparatus has a polarizing beam splitter for matching light, which is outputted by a light source unit, to one of S polarizing light and P polarizing light, an optical characteristics switching element for electrically and periodically switching a wavelength band of light outputted by the polarizing beam splitter, a video display element, as a light valve element, for forming an optical image from light outputted by the light source unit, in accordance with a video signal, and a radiating unit for radiating a plurality of color light, which are sequentially outputted by the optical characteristics switching element, to the video display element, wherein light outputted by the video display element is incident on a projecting lens, and a light path from the light source unit to the projecting lens is U-shaped. Consequently, the projection-type video display apparatus becomes compact and has improved contrast.11-13-2008
20080309831Video Signal Processing Method and Apparatus - Disclosed herein is a video signal processing method and apparatus. In an embodiment of the present invention, video having a second screen size is generated from input video having a first screen size through Wavelet/Bicubic video interpolation, and a parallel Projection Onto Convex Sets (POCS) method is applied to the generated video having the second screen size. In this embodiment, the video having the second screen size, which is generated through Wavelet/Bicubic video interpolation, is used as an initial value for the POCS method, and a motion component estimated based on the video having the first screen size and the video having the second screen size obtained through the use of the POCS method is used as a correction value for the POCS method. Accordingly, HD-class video can be rapidly produced from SD-class video without image degradation.12-18-2008
20080291340Projection Type Video Display Apparatus - Disclosed is a projection type video display apparatus including: a video projection section to generate projection light of a video to output through a projection lens; an imaging section to capture through a camera lens the video projected by the video projection section; a moving section to move the projection lens in a direction of changing focus of the video; and a control section to adjust the focus of the projected video, wherein the control section allows the video projection section to project a pre-set mark image and the imaging section to capture the projected video of the mark image to allow the moving section to operate so that the captured mark image is in focus, and thus adjusts the focus of the projected video.11-27-2008
20130120668IMAGE PROJECTION SYSTEM AND CONTROL METHOD FOR THE IMAGE PROJECTION SYSTEM - In at least one embodiment of the disclosure, an image projection system includes an image supply device and a projector. The image projection system projects an image of a figure adapted to represent a predetermined record in a competition on a floor or a ground of a stadium. The image supply device further includes a storage section adapted to store record information representing the predetermined record, and an image data output section adapted to output image data based on the record information to the projector. The projector includes an image data input section adapted to receive input of the image data, and an image projection section adapted to project the image of the figure based on the image data input to the image data input section.05-16-2013
20090027571IMAGE DISPLAY DEVICE - The present invention provides an image display device which detects projection region suitable for performing a display of an image and displays an image on the detected projection region. The present invention provides an image display device which displays an image on a projection surface by projecting light on the projection surface. The image display device includes an aptitude detection part which detects an aptitude as the projection surface, and a projection control part which controls projection light such that the an image to be displayed on the projection surface falls within a predetermined projection region in response to a detection result by the aptitude detection part. For example, the image display device further includes an aptitude value arithmetic operation part which recognizes the projection area as a mass of a plurality of divided regions and detects aptitude values of projection surfaces of the respective divided regions, a projection region determining part which selects one or more divided regions out of the plurality of divided regions as the projection regions based on the aptitude values, and an image processing part which controls projection light such that an image to be projected on the projection surface falls within one or more projection regions.01-29-2009
20090027570Electronic Device - An electronic device includes: a projection unit that includes a light source and projects an optical image with light from the light source; a shift unit that shifts the projection unit between a usage position and a housed position; and a heat conduction member that conducts heat due to the light source to a chassis, irrespective of the position of the projection unit.01-29-2009
20090027569Projection display apparatus - The present invention provides a projection display apparatus realizing improved operability at the time of registration adjustment irrespective of a use situation of the apparatus. In the case where misregistration occurs between primary color lights, video signals for three colors are corrected (registration adjustment is performed) so as to reduce the misregistration in accordance with an input adjustment value. An image inverting process is performed on an input video signal so that the image is inverted in a display screen. By a configuration by the user, the image is properly inverted in the display screen. When the image inverting process is performed, an adjustment value, with a sign different from that in the misregistration direction in a coordinate system where the image is not inverted, is input by an operation on the display screen.01-29-2009
20090027568Projection display apparatus - A projection display apparatus includes: a light source; a spatial light modulation device modulating, on the basis of a video signal, each of primary color lights for color display emitted from the light source; projecting means for projecting, onto a screen, each of the primary color lights modulated by the spatial light modulation device; and correcting means for correcting, based on a given correction value, the video signal for each of the primary color lights so as to reduce misregistration between the primary color lights projected on the screen, and supplying the corrected video signal to the spatial light modulation device. The correcting means is configured to correct the video signal according to a single correction value such that a group of correction target points selected in a projected image on the screen are collectively processed as a single correction unit.01-29-2009
20090185084Projection Apparatus and Signal Converting Module Thereof - A projection apparatus and a signal converting module thereof are provided. The projection apparatus comprises an output module and a signal converting module. The output module outputs at least one signal in a first format. The signal converting module comprises a receiving unit, a processing unit, and an interface unit. The receiving unit receives at least one first signal in a second format. The processing unit converts the at least one first signal into at least one second signal in the first format. The interface unit is configured to transmit the at least one second signal to the output module, while the output module is configured to output the at least one second signal in the first format.07-23-2009
20090141191SCANNING IMAGE DISPLAY AND SCANNING IMAGE DISPLAY SYSTEM - A scanning image display includes a plurality of light sources adapted to emit a plurality of light beams, and a scan unit adapted to scan the light beams emitted from the light sources on a projection surface, which comprises a plurality of sub-illumination areas, in a first and second direction. One of the first and second directions is a high-speed scan direction and the other is a low-speed scan direction. The sub-illumination areas are arranged in the low-speed scan direction, such that the light beams scanned in adjacent sub-illumination areas are scanned in the opposite direction.06-04-2009
20090015729Interface Computer for a Stage Lighting System - A stage lighting system with a digital and analog part. The digital part is used to form the image, which can be, for example, a full brightness image. The analog part is used to dim the image, and to carry out failsafe operation. If an error occurs in the digital part, then the analog part prevents the image from being shown.01-15-2009
20090096939IMAGE TRANSMISSION APPARATUS AND IMAGE DISPLAY CONTROL METHOD IN IMAGE TRANSMISSION APPARATUS - An image transmission apparatus includes a display device, a display image data generator, a storage device, a storage controller, a transmitter, and a display controller. The image transmission apparatus is connectable to a plurality of image projection apparatuses and is configured to individually generate, store, and transmit display image data for display on each image transmission apparatus connected to the image transmission apparatus according to an overall layout display for the combination of potentially connected image transmission apparatuses.04-16-2009
20090066858DISPLAY SYSTEM FOR HIGH-DEFINITION PROJECTORS - A display system is provided to surround a user with an out-the window scene. The system includes a screen structure that is a facetted back-projection dome made up of a polygonal polar top facet surrounded by trapezoidal facets angulated downward from it in an upper facet row. A middle row of facets extends angulated downward therefrom, and a lower row of trapezoidal facets extends down from them. Each facet has video projected thereon by a high definition projector, and to maximize resolution and efficiently use the projector output, the vertical height of each facet makes use of the full vertical field of pixels available from the associated projector. The facets are all tangent to a sphere about a design eyepoint of the dome. The projector resolutions and the size, position and material of the facets are such that the imagery visible on the inside of the dome on the facets is at resolution corresponding to a visual acuity of 20/50 or higher, preferably 20/20, and at or near eye-limiting resolution.03-12-2009
20090231494IMAGE PROJECTOR WITH INTERNALLY TILED INTERMEDIATE IMAGES - Disclosed are a system and method for microprojection that uses multiple imagers to produce a high resolution output image. Each of a set of imagers produces a portion of the final image. Relay lenses then tile the individual image portions together into a combined image. Because the height of the individual imagers is smaller than the height of a monolithic imager, they can fit into a very thin device. The combined image has a resolution equal to the sum of the resolutions of the individual imagers. The individual images are tiled together within the microprojector itself rather than on a projection screen. This allows the tiling to be adjusted once at the factory and set forever. In some embodiments, the light created for use by the microprojector is split by a polarizing beamsplitter. Each resultant polarized beam is then sent to an imager. Another polarizing beamsplitter combines the individual images.09-17-2009
20090231496Display control system for spatial light modulators - A display control system, comprises: a spatial light modulator (SLM) constituted by a plurality of pixel elements placed in array; a first control unit for controlling each of the plurality of pixel elements under a state of ON or OFF; a second control unit for controlling each of the plurality of pixel elements under a state other than the ON or OFF states; a control changeover unit for dividing one frame period, for each pixel element of the plurality thereof, into a period of the first control unit controlling and that of the second control unit controlling, and also changing over between a control of the first control unit and that of the second control unit for each pixel element of the plurality thereof; and a data division unit for dividing input data to each of the plurality of pixel elements into first control unit-use data, which is input to the first control unit, and second control unit-use data which is input to the second control unit in accordance with the content of the present input data.09-17-2009
20110228174LIGHT SOURCE CONTROL METHOD OF PROJECTOR - A light source control method of a projector is provided. The light source control method includes the following steps. A frame data of a frame period is received. Gray distributions of a plurality of colors in the frame data are obtained by analyzing the frame data. Whether to shut all or a portion of a plurality of color light sources of the projector is determined according to the gray distributions of the colors. Therefore, the power consumption of the projector can be reduced.09-22-2011
20080316373PROJECTION TYPE IMAGE DISPLAY DEVICE - A beam modulated by a video signal scans a projected region. A spot size of the beam in the projected region is set to be smaller than a width of one pixel in a direction vertical to a scanning direction. A group of pixels disposed in the scanning direction is scanned by the beam a plurality of times to display one screen. A scanning position of the beam with regard to the group of the pixels is shifted in the direction vertical to the scanning direction for every scanning turn to display one screen.12-25-2008
20120105738PROJECTION CONTROL DEVICE, PROJECTION CONTROL METHOD, AND PROGRAM - An information processing apparatus that includes a main body, a member movably attached to the main body, a first detector configured to detect an orientation of the member with respect to the main body, a second detector configured to detect whether the main body is connected to a cradle apparatus, and a processor configured to output a command for controlling an operation of a projection device based on an output of the first and second detectors.05-03-2012
20100149434MULTIBEAM DIGITAL PROJECTION VIDEO MOTOR HAVING STATIC OR DYNAMIC POINTING CORRECTION WITH OR WITHOUT DEVIATION PERISCOPE - The invention relates to a device (FIG. 06-17-2010
20120194748VIDEO DISPLAY DEVICE AND LIGHT GUIDE MODULE - A video display device includes a light guide unit for guiding outgoing light from a light source unit to a pixel area of a display device. The light guide unit includes a rod integrator having an input opening through which the outgoing light from the light source unit enters and an output opening provided on a side opposite to the input opening, and a light shielding plate provided between the input opening of the rod integrator and the light source unit. The light shielding plate has a plurality of types of openings for passing the outgoing light from the light source unit to the rod integrator. The light shielding plate is arranged in a state where one of the plurality of types of openings, which has a shape similar to that of the input opening of the rod integrator which is actually mounted, is aligned with the input opening.08-02-2012
20080259222Providing Information Related to Video Content - An apparatus for providing information related to video content includes a video display that displays the video content to a user. A content identifier identifies a segment of interest in the video content. An information processor obtains additional information related to the segment of interest. A presentation unit presents the additional information to the user. The additional information may be provided on a second device different than the video display, such as on a remote control for the video display. A link to the additional information may be presented to the user and presentation of the additional information may be in response to the selection of the link. The additional information may include ordering and an order may be received from the user and transmitted to vendor by the apparatus.10-23-2008
20100149435VIDEO DISPLAY DEVICE AND LIGHT SOURCE DRIVING METHOD THEREOF - A display device uses a field sequential color scheme. Assume that a panel video writing period defines a period from the start of writing image data into a display panel to the completion of displaying the image on the basis of the image data in a sub-frame. A light source driving circuit generates a driving signal for gradually increasing the luminance of a light source of a color corresponding to a displayed image in the present sub-frame from zero to a predetermined value within the panel video writing period of the present sub-frame and for gradually decreasing the luminance of the light source from the predetermined value to zero within the panel video writing period of the next sub-frame. A light source driver drives the light source to emit light in accordance with the driving signal.06-17-2010
20100157173ROTARY DISPLAY PROVIDED WITH IMAGE PICKUP DEVICE - The present invention relates to a rotary display provided with an image pickup device, comprising: a base; a rotary frame, light-emitting components, an image data supplying device and a image pickup device. The rotary frame on which the light-emitting components are mounted is adapted for rotating about an axis with respect to the base and formed with transparent portions having through holes, such that the image pickup device mounted on the base can capture an outside image through the transparent portions. The light-emitting components are actuated by the image data supplying device to emit light outwardly, whereby the light sources of the light-emitting components constitute images with high resolution by taking advantage of persistence of vision, while the image pickup device is hidden within an interior space of the rotary frame.06-24-2010
20100157174DISPLAY CONTROLLING APPARATUS AND IMAGE PROCESSING APPARATUS - A display controlling apparatus that is capable of communicating with an image processing apparatus that sends image data to the display controlling apparatus in response to a notification from the display controlling apparatus, includes the following elements: a sending unit configured to send the notification to the image processing apparatus; a first receiving unit configured to receive the image data sent from the image processing apparatus in response to the notification; and a first computing unit configured to compute a first time required to display the image data received by the first receiving unit. The sending unit sends a new notification to the image processing apparatus at a timing based on the first time computed by the first computing unit.06-24-2010
20100188588PROJECTOR APPARATUS AND METHOD OF CONTROLLING THE COLOR FLUCTUATION OF THE LIGHT - According to one of embodiment, an apparatus for image projecting and a method for controlling color fluctuation of light are acquired the temperatures of a plurality of light sources configured to emit light beams of different colors or the temperature at a position near the light-emitting elements, set an amount of light each of the light sources emits, in accordance with the temperature acquired of the light source, and set at least one of the color and brightness of the image to be projected. The fluctuation of the color or brightness of the image to be projected can therefore be controlled.07-29-2010
20100002151Handheld media and communication device with a detachable projector - A novel handheld media and communication device with a detachable projector is disclosed. Both of the units comprise a wireless network interface. The detachable projector unit further comprises a processor, a file system, a cache, a projector and a power supply. The media files are copied into the file system of the projector unit before it is detached from the media and communication device that is then used as a remote control for the detached projector unit. The control is achieved by transmitting the metadata from the media and communication device to the projector unit to retrieve the associated media files for the projection. Further, a novel method for sharing a video/audio files by a group of users with handheld devices in a synchronized manner is disclosed. The devices form a local wireless network with calibrated built in clock in each device. The video and audio signals are assigned with a starting time for playing. The audio files are broadcasted to the local wireless network and received by each user's connecting device while the video files are sent to the projector for the projection. The video and audio files are played in a synchronized manner based upon the calibrated clocks. An expandable projector device with a plurality of projectors connected sequentially is also disclosed. The additional power supply and media files can be shared by the projector unit under the projection operation thus a much longer media sharing time can be achieved by portable devices.01-07-2010
20100002152IMAGE DISPLAY APPARATUS AND IMAGE DISPLAY METHOD - A detection surface of an optical detector is divided into regions C, E, F, G, and H. The optical detector outputs detection signals corresponding to the amounts of light incident on the respective regions. A position detection controller calculates an image projection position based on timing at which a laser beam is incident on region C. A laser control circuit adjusts the intensity of the laser beam emitted by a laser based on laser beam intensities detected in regions E to H arranged around region C.01-07-2010
20100188587PROJECTION METHOD - There is disclosed a method of displaying a visual image, such as a digital image, on a display surface (07-29-2010
20100014007DISPLAY APPARATUS, CONTROL METHOD THEREOF, AND PROGRAM - When a communication connection with a device is disconnected during execution of a display based on data transmitted from the connected device, it can be controlled to continue or end the display according to a class of the device. A display apparatus 01-21-2010
20090066857CELLULAR TERMINALS AND OTHER ELECTRONIC DEVICES AND METHODS THAT ADJUST PROJECTED VIDEO IMAGES TO COMPENSATE FOR COLOR, BRIGHTNESS, AND/OR PATTERN OF A DISPLAY SURFACE - Some electronic devices project video images onto a display surface that is external to the electronic device, and adjust the projected images to compensate for brightness and/or color of the display surface. An electronic device can include a video generator, a video projector, a camera, a calibration controller. The video generator can generate a video signal, and the video projector can project a video image in response to the video signal onto a display surface that is external to the electronic device to cause reflection of the video image. The camera can sense the reflected video image from the display surface. The calibration controller can adjust brightness and/or color of a subsequent video image that is projected by the video projector to compensate for differences between the video signal and the reflected video image sensed by the camera.03-12-2009
20090015730IMAGE PROJECTING METHOD AND PROJECTOR - A projector sets a projection range defined as the range occupied by the projection image on a screen (projected surface) and displaces the projection range in the screen coordinate system (projected surface coordinate system) in the case that an instruction on displacing the projection image is accepted. Furthermore, the projector converts the coordinates of the projection range after the displacement in the screen coordinate system into the coordinates in the panel coordinate system, thereby obtaining the location of the range on the image forming panel corresponding to the projection range on the screen. The projector deforms the image so that the original projection image is fitted in the range corresponding to the projection range, forms a panel image containing the deformed image using the image forming panel, and projects the projection image.01-15-2009
20100238363Image Display Apparatus, Image Display Method, and Image Display Program Embodied on Computer Readable Medium - In order to display an image that reflects the intents of viewers who see a displayed image, a projector includes a display control portion to output an image for display, a message reception portion to receive a message from one or more computers connected to be able to communicate, a count portion to count one or more received messages, and a change portion to change the image for display based on the number of counted messages, if one or more messages are received.09-23-2010
20100238364MODULAR LED ILLUMINATION SYSTEM AND METHOD - The present invention is directed to an illumination system. The illumination system comprises a plurality of modules such that each module comprises a plurality of light emitting diodes (LEDs) adapted to emit light. The illumination system further comprises a plurality of lens elements disposed subsequent to the LEDs. Further, a number of the lens elements corresponds to a number of LEDs; such that the plurality of lens elements is adapted to redirect the light emitted by the LEDs on a plurality lenses. The illumination system further comprises a plurality of imagers disposed subsequent to the plurality of lenses, such that each of the imagers forms an image from the light provided by each of the lenses, respectively. Further, the images formed by the plurality of imagers are combined by a device, such as an X-cube, to form a single image that is further provided to a light pipe of a display system.09-23-2010
20110058108Scanned Beam Display with Parallelogram Distortion Correction - A scanning assembly (03-10-2011
20100208150DEVICE AND METHOD FOR DRIVING DISCHARGE LAMP, LIGHT SOURCE DEVICE, AND PROJECTOR - A lamp driving device that drives a discharge lamp, includes: a start-up circuit configured to apply a start-up pulse for starting an operation of the discharge lamp; a non-volatile memory configured to store data therein; and a history recording unit configured to record an operation history of the applying of the start-up pulse that is performed by the start-up circuit in the non-volatile memory.08-19-2010
20100103330IMAGE PROJECTION METHODS AND INTERACTIVE INPUT/PROJECTION SYSTEMS EMPLOYING THE SAME - An image projecting method comprises determining the position of a projection surface within a projection zone of at least one projector based on at least one image of the projection surface, the projection zone being sized to encompass multiple surface positions and modifying video image data output to the at least one projector so that the projected image corresponds generally to the projection surface.04-29-2010
20100128184APPARATUS FOR DISPLAYING AN IMAGE AND METHOD FOR CONTROLLING POWER SUPPLY - An apparatus includes a lamp, a power supply for supplying power to lamp, an image processing unit for displaying an image according to any one of a plurality of video signals applied externally, and a control unit for causing the power supply to start supplying power to the lamp when at least one of the plurality of video signals is applied in an initial state, checking whether or not any one of the plurality of video signals is applied within a predetermined period of time from the time when the applied video signal is stopped, making the power supply continue to supply power to the lamp if at least one of the plurality of video signals is applied, and making the power supply stop supplying power to the lamp if any one of the plurality of video signals has not been applied.05-27-2010
20100123836IMAGE-PROJECTION SYSTEMS - An image-projection system includes a light source, a light guide, and an image-projection module. The light source is configured to provide planar illumination. The light guide has a first end and a second end, with the first end being coupled with the light source to receive the planar illumination and the second end being configured to provide a transmitted planar illumination. The light guide may have an internal structure providing a reflective surface for reflecting the planar illumination received from the first end. The image-projection module may be coupled with the second end of the light guide and configured to receive an image signal input and project, in response to the image signal, an image via the transmitted planar illumination.05-20-2010
20110176067COMPENSATION FOR SELF-SCATTERING ON CONCAVE SCREENS - Projection systems and methods handle images to be viewable on a concave surface, wherein the projected image is modified to account for surface-to-surface reflections due to the concave surface, by determining geometric surface parameters, determining the ideal image, determining a model for reflected light that is a result of surface-to-surface reflections given the ideal image, wherein the model is expressible in closed form, determining a compensation image to compensate for at least some of the surface-to-surface reflections, taking into account at least the ideal image and the reflected light, and combining the compensation image and the ideal image to form a projectable image that can be projected onto a surface having the determined geometric parameters. The surface can be defined by a portion of an interior of a sphere and the reflection of a given pixel can be modeled as a constant over the concave surface.07-21-2011
20090073323PROJECTION APPARATUS AND OPTICAL RANGING METHOD - Disclosed is a projection apparatus including: a video display control section 03-19-2009
20110128453CAR THEATER SYSTEM USING REAR PROJECTION - The present invention features a car theater system using rear projection that extends projection distance through a reflection mirror, and may not restrict movement of passengers, and may not block an image projected toward a screen. According to preferred embodiments, the car theater system of the present invention comprises a video player, a projector, a reflection mirror, a screen for imaging an image reflected by the reflection mirror.06-02-2011
20110128454PROJECTOR AND METHOD FOR CONTROLLING THE SAME - A projector includes: an image modulation section that modulates light emitted from a light source in accordance with a video signal to form an optical image; a projection section that enlarges and projects the optical image; a drawing area setting section that sets a drawing area within an image modulation area where the light is modulated to form the optical image, the drawing area being an area where a template image is drawn; and a template image generating section that generates the template image to be drawn in the drawing area.06-02-2011
20100315565Display system - A display system is based on a linear array phase modulator and a phase edge discriminator optical system.12-16-2010
20100302464Laser Based Display Method and System - The present invention is directed to display technologies. More specifically, various embodiments of the present invention provide projection display systems where one or more laser diodes are used as light source for illustrating images. In one set of embodiments, the present invention provides projector systems that utilize blue and/or green laser fabricated using gallium nitride containing material. In another set of embodiments, the present invention provides projection systems having digital lighting processing engines illuminated by blue and/or green laser devices. In one embodiment, the present invention provides a 3D display system. There are other embodiments as well.12-02-2010
20100302465IMAGE DISPLAY DEVICE, PROJECTOR, AND METHOD OF CONTROLLING THE SAME - An image display device includes: an image reproduction section adapted to reproduce image information recorded on a recording medium mounted; an image display section adapted to display an image corresponding to the image information reproduced by the image reproduction section; a control section adapted to make the image reproduction section start reproduction of the image information if the recording medium is mounted to the image reproduction section; and an authentication section adapted to perform user authentication, wherein the control section inhibits the image reproduction section from reproducing image information until the authentication by the authentication section becomes successful.12-02-2010
20110122327ELECTRONIC DEVICE STAND AND IMAGE DISPLAY SYSTEM - An electronic device stand includes a fastening member fastenable to an installation plane. An elongated member is connected to the fastening member. A mount member is connected by the elongated member to the fastening member. The mount member includes mechanical mounting structures configured to mount plural types of electronic devices.05-26-2011
20110122326PRESENTATION RECORDING APPARATUS AND METHOD - Provided are an apparatus and method thereof for recording a presentation. The presentation recording apparatus includes: a projector operable to project an original image of a presentation onto a screen; a camera operable to capture the image of the presentation projected onto the screen and a light of a pointing device which is irradiated onto the screen; a memory; and a controller, wherein if the projector projects the image of the presentation onto the screen, the controller controls the camera to capture the image of the presentation projected onto the screen, determines coordinate information corresponding to a position of the light of the pointing device irradiated onto the screen, and controls the memory to store the original image of the presentation together with the determined coordinate information.05-26-2011
20110001888Phased Locked Resonant Scanning Display Projection - A scanning projector includes a mirror that scans in two dimensions. The scanning mirror oscillates at a resonant frequency on a fast-scan axis, and is phase locked to an incoming frame rate on a slow-scan axis. An interpolation component interpolates pixel intensity data from adjacent pixels based on the position of the mirror when a pixel clock arrives. Incoming video data is stored in a buffer. Less than a complete frame of video data may be stored in the buffer.01-06-2011
20110001889PERSONAL COMPUTER - A personal computer (PC) includes a main body, a processor received in the main body, and a projecting unit received in the main body and electrically connected to the processor. The PC does not include a built-in display. The processor transmits image signals to the projecting unit, the projecting unit projects images onto a nearby projection surface corresponding to received image signals, so that the nearby projection surface serves as a display of the PC.01-06-2011
20090231495IMAGE PROJECTOR WITH MULTIPLE IMAGERS - Disclosed are a system and method for microprojection that uses multiple imagers to produce a high resolution output image. Light created for use by the microprojector is split by a polarization-sensitive element into a number of beams. Each polarized beam is then sent to an imager. Each imager modulates the light beam to produce a portion of the final image. Another polarization-sensitive element directs the individual image portions through a projection lens system so that when they are projected, the individual image portions tile together into a seamless projected image. This technique uses essentially all of the original light, doubling the lighting efficiency of previous devices. Because the height of the individual imagers is smaller than the height of a monolithic imager, they can fit into a very thin device. The combined image has a resolution equal to the sum of the resolutions of the individual imagers.09-17-2009
20110115989DISPLAY DEVICE - A display system comprising a light source and a plurality of switchable elements, wherein each element is switchable at an element switching frequency in accordance with an element control signal between an “on” state in which light is directed from the light source onto a display, and an “off” state in which light is not directed onto a display. The light source being configured to generate a pulsed light source output at a light source pulse frequency.05-19-2011
20090219454VIDEO OUTPUT APPARATUS AND VIDEO OUTPUT METHOD - According to one embodiment, a video output apparatus includes a processing module which executes a process for giving a predetermined display effect to an input video signal, a projecting module which generates an optical image based on the processed video signal so as to project the optical image onto a screen via a projection lens and display a video, and an output module which outputs the processed video signal to an outside.09-03-2009
20110085092OPTICAL MODULATORS INCLUDING INCORPORATED INTO MOBILE TERMINAL PROJECTOR - A mobile terminal includes an optical modulation projector. The mobile terminal also includes a control system, a projection control unit, and an optical modulation system. The control system outputs a projection control signal and image data. The projection control unit receives the image data from the control system, and generates and outputs a drive control signal depending on the image data received. The optical modulation system generates and modulates light and generates an image in response to the drive control signal and then scans the image for projecting onto a screen.04-14-2011
20090251621IMAGE DISPLAY SYSTEM AND IMAGE DISPLAY APPARATUS - An image display apparatus that displays an image in accordance with image data supplied from an image supplying apparatus, the image display apparatus including: a function module that processes input data; a plurality of disk images each including a function program which is executed by the image supplying apparatus and transmits data to the function module; and a selecting unit that selects one of the plurality of disk images; wherein the function program included in the disk image is executed by the image supplying apparatus that recognizes the disk image selected by the selecting unit; and the function module processes the data transmitted from the function program executed by the image supplying apparatus.10-08-2009
20090322967Notebook computer having projection function - A notebook computer having projection function includes a mainframe, a display, and a compact projector. The compact projector is pivotally disposed at the upper portion of a frame area, and is electrically connected with the mainframe so as to receive signals therefrom. The compact projector projects images identical to those shown from the display toward a direction opposite to a displaying direction from a screen area. Therefore, people located at opposite sides of the notebook computer can view simultaneously identical images, without a need to move to the side, to which the screen displays, so as to enhance convenience of communication between the parties.12-31-2009
20100053474SYSTEMS AND METHODS FOR ELIMINATING LASER LIGHT SOURCE SCINTILLATION IN A PROJECTION TELEVISION - Systems and methods that facilitate the elimination of screen scintillation in a projection television having a laser light source. In a preferred embodiment, a display screen assembly of the television includes a liquid dispersed between the fresnel lens and lenticular screen, and sealed there between by a seal extending about the perimeter of the screen assembly. One or more vibration units are operably coupled to the liquid causes the liquid to vibrate between the Fresnel lens and lenticular screen as the light emanating from the laser light source diffuses through the liquid.03-04-2010
20100053475ILLUMINATED STATUS INDICATOR FOR AN IMAGE DISPLAY DEVICE - Systems and methods for an illuminating status indicator for an image display device are provided. In one example, an image display device is provided including a light source, an image generating element configured to receive light from the light source, and in response, generate an image, a projection lens configured to display the image on a viewing surface, and an illuminated status indicator configured to visually indicate a status of the image display device and extending at least partially around the projection lens. The example image display device further may include a control system in communication with the light source, the image generating element, and the illuminated status indicator and a housing comprised of a plurality of faces, where the housing encloses the light source, the image generating element, and the control system and where the illuminated status indicator is viewable by a user when the user is looking at a face of the housing.03-04-2010
20100053473PROJECTOR - A projector includes an interface unit, a control unit, and a projection unit. The interface unit includes a plurality of ports, each of which connects to a corresponding connector to allow the projector to connect to a corresponding signal source. The control unit identifies format of information read from the corresponding signal sources via the interface unit and identifies which port is connected. The projection unit projects a menu image, the menu image comprising a plurality of icons, each associated with a corresponding port and configured for indicating connection states of the corresponding ports.03-04-2010
20110176066PROJECTION SYSTEM AND METHOD - A projection system includes first and second cameras, a projector, and a processing unit. The first camera captures a first image of an object. The projector projects the first image and a selection symbol to a projection region. The second camera captures the projection region to obtain a second image of the projection region. The second image is detected to determine whether a selection controlling symbol is selected. If the selection controlling symbol is selected, a number of symbols corresponding to the selection symbol are transmitted to the projector. The symbols are projected in the projection region to form a number of controlling symbols. Another image of the projection region captured by the second camera is detected to determine whether one controlling symbol is selected. If one controlling symbol is selected, the processing unit controls the first camera, the second camera, or the projector accordingly.07-21-2011
20100134702PROJECTOR SYSTEM - A projector system projects derivation markers (06-03-2010
20110090409Projection Image Display Apparatus with Multi-Window Display Capability - A projector including an input unit which includes 1 (1 is a natural number) input ports and receives n (n is a natural number not more than 1) image signals supplied from n image-signal supplying devices, respectively via n input ports, a display unit which selects two image signals from the n image signals received by the input unit and displays images based on these two image signals respectively on a main window and a subwindow, and a notification unit which displays a notification image which gives notification about information regarding the two image signals, on a blank area of a image display area of the display unit.04-21-2011
20080231763System and method for displaying and capturing images - A system for displaying and capturing images with a portable device includes a projector to project an image, a position sensor to determine positional information, and a processor coupled to the projector and to the position sensor. The processor adjusts the image based on the positional information. The position sensor detects the location and orientation of the portable device so that the processor adjusts the image to display only a portion of the image encompassing a point of view pointed to by the portable device. Displaying a portion of the image reduces projector complexity and processing/data requirements. The use of the position sensor may also help reduce processing/data requirements when capturing images.09-25-2008
20110249199VIDEO PROJECTOR AND LIGHT MODULATION ELEMENT - A video projector includes a light combining member for combining light used to display an image. The light combining member includes a plurality of optical components, each having a corner joined with the corners of the other optical components at a joining center. A projection unit projects the light combined by the light combining member. A light path changing member changes a light path so that light entering the light combining member avoids the joining center.10-13-2011
20110249197Wavelength Combining Apparatus, System and Method - A wavelength combining apparatus includes first and second optical devices. The first optical device collects and collimates or focuses light from multiple laser light sources. The second optical device includes multiple nonparallel dichroic surfaces to combine light received from the first optical device.10-13-2011
20090153751Image Projection System, Terminal Apparatus, and Computer-Readable Recording Medium Recording Program - In a case where display of an image is terminated in a predetermined display region and, then, the image is generated again based on an application program corresponding to the image of which the display is terminated, the image is generated in a region other than the predetermined display region without being projected in a visually recognizable manner. A terminal apparatus generates image data based on an application program, and terminates display of an image based on the image data. An image projection apparatus acquires a plurality of pieces of image data of images in predetermined display regions of a plurality of terminal apparatuses, combines the plurality of pieces of image data to generate composite image data, and projects an image based on the composite image data. The terminal apparatus may change a display position of the image to a display region other than the predetermined display region.06-18-2009
20090027567Projection display apparatus - The present invention provides a projection display apparatus realizing easy recognition of the effect of registration adjustment. The projection display apparatus includes: a light source; a spatial light modulation device modulating, on the basis of a video signal, each of primary color lights for color display emitted from the light source; projecting means for projecting, onto a screen, each of the primary color lights modulated by the spatial light modulation device; and correcting means for correcting, based on a given correction value, the video signal for each of the primary color lights so as to reduce misregistration between the primary color lights projected on the screen, and supplying the corrected video signal to the spatial light modulation device. Validation/invalidation of correction on the video signal by the correcting means is switched in accordance with an operation from the user.01-29-2009
20110069240Projector and Control Method Thereof - A projector control method for a projector in a standby mode is disclosed. The projector is connected to an active video source for image projecting, and the projector comprises at least one input port. The method comprises the follow steps of: connecting electronically the projector and the video source via a video signal cable; detecting whether a defining signal is produced from the input port of the projector, wherein the defining signal is selected from one of the following: a current variation, a voltage variation, an encoded signal, a clock signal, and a synchronous signal; and supplying power to the projector and igniting a lamp when the defining signal is detected, such that the projector enters an active mode.03-24-2011
20110249198Method for Generating a Unique Service Set Identifier on a Wireless Projector - A projector includes a network interface card, a basic input output system, and a service set identifier module. The network interface card is configured to communicate with a computer. The basic input output system is in communication with the network interface card, and is configured to store a model number and identification data for the projector. The service set identifier module is in communication with the basic input output system, and is configured to retrieve the model number and the identification data, and to utilize the model number and the identification data to create a unique service set identifier for the projector.10-13-2011
20110001890PORTABLE IMAGE PROJECTOR AND PROJECTION METHOD - A portable image projector is disclosed that has a communications module configured to communicate with a host computer to receive image data for at least one image from the host computer, the image being or having been displayed on a monitor of the host computer; a processor operatively connected to the communication module configured to receive and process the image data and to output the processed image data; and an image projection module operatively connected to the processor and configured to receive the processed image data and to project the processes image data as the at least one image using an image projector. A corresponding method is also disclosed.01-06-2011
20100271562MODULAR LED ILLUMINATION SYSTEM AND METHOD - The present invention is directed to an illumination system. The illumination system comprises a plurality of modules comprising a plurality of light emitting diodes (LEDs) adapted to emit light signals. The illumination system further comprise a plurality of lens elements disposed subsequent to the modules, such that the plurality of lens elements is adapted to redirect the light emitted by the LEDs of the modules onto a plurality of lenses. Further, the illuminations system includes a light combining element, such as an X-cube, disposed subsequent to the plurality of lenses, wherein the combining element combines the light provided by each of the plurality of lenses to form a single image across an aperture.10-28-2010
20110249201PROJECTING AN ANIMATED OBJECT AND CONCURRENTLY MOVING THE OBJECT'S PROJECTION AREA THROUGH AN ANIMATION PATTERN - A projection assembly and projection method for accurately reproducing animated and live characters, objects, and effects. The projection assembly uses a high precision robotic mirror system to achieve very high levels of image resolution, brightness, and contrast. The assembly includes a projector receiving an input image stream, and a mirror assembly is positioned proximate to the projector outlet. The mirror assembly uses positionable mirrors to reflect the projected images onto a display surface at positions that define an animation pattern on the display surface for the projected image or character. The assembly includes a motor controller assembly positioning the mirrors based on position data defining the animation pattern. The projected images may be provided in a projection area that is a fraction of the size of the display surface, such that the resolution and output light of the projector are concentrated on the display surface within this projection area.10-13-2011
20090284667IMAGE-DISPLAY METHOD, PROJECTOR, IMAGE-DISPLAY SYSTEM, PROJECTOR-CONTROL METHOD, IMAGE-DISPLAY PROGRAM, AND PROJECTOR-CONTROL PROGRAM - With a conventional image-display system, a presenter sometimes has difficulty in providing every viewer with an easy-to-see picture.11-19-2009
20110149175PROJECTOR AND METHOD FOR PROJECTING IMAGE - A projector includes: an image projecting section that projects an image; a ruled line storage section that stores ruled line data of a ruled line; a ruled line reading unit that reads the ruled line data of the ruled line from the ruled line storage section so as to make the image projecting section project the ruled line corresponding to the ruled line data; a ruled line editing unit that performs editing for changing the structure of the projected ruled line; and a storage processing unit that makes the ruled line storage section store the edited ruled line data corresponding to the ruled line changed by the ruled line editing unit.06-23-2011
20110255016NOTEBOOK COMPUTER WITH PROJECTION FUNCTION - A notebook computer includes a central processing unit, a video card, a display coupled to the video card, a projecting module, and a projector driving module. The video card is coupled to the central processing unit via a bridge and configured to receive graphical information from the central processing unit. The projecting module is coupled to the video card. The projector driving module is coupled to the projecting module and configured to activate the projecting module. The video card is capable of generating and outputting images to the display or the projecting module according to the graphical information as desired. The projecting module is capable of projecting the images after being activated by the projector driving module.10-20-2011
20080246893Internal light masking in projection systems - A system and method is provided for masking traditional grey bars which are produced by displaying wide screen images within a full screen native projector and visa versa. This method allows blocking of light for unused portions of the screen thereby producing higher contrast images. In an exemplary embodiment, a physical shutter is positioned inside the projection system so that the light which would otherwise produce a grey bar area is blocked before it reaches a projection screen. Image data are analyzed to identify grey screen areas which are not being utilized for image display and light which would otherwise produce such grey areas is blocked or shuttered by the projector to eliminate the grey areas.10-09-2008
20080291341SYSTEM AND METHOD FOR COMPENSATING FOR SPOKE LIGHT - The disclosed embodiments relate to a system and method for compensating for spoke light in a video unit. More specifically, there is provided a method comprising measuring a first light level during a non-spoke time of a color wheel to generate a non-spoke light level; and setting a spoke light compensation value based on the measured non-spoke light level. There is also provided a video unit comprising a light source configured to generate a first light level during a non-spoke time of a color wheel, a photodiode assembly configured to measure the first light level to generate a non-spoke light level, and a processor configured to set a spoke light compensation value based on the non-spoke light level.11-27-2008
20110164191Interactive Projection Method, Apparatus and System - An apparatus determines a cursor position in an illumination field of a projector. An obstruction is detected in the illumination field. The cursor position is determined as the point on the obstruction furthest from where the obstruction crosses a border of the illumination field.07-07-2011
20110164192PROJECTOR AND METHOD OF CONTROLLING THE SAME - A projector includes: an image projection unit that projects a projection image generated based on input image data onto a projection surface; a projection distance measurement unit that measures a projection distance from the projector to the projection surface; and an adjusting unit that adjusts the project ion image in accordance with the projection distance so that the projection image is projected onto the projection surface under a predetermined projection condition.07-07-2011
20080239171Image displaying apparatus and display controlling device - An image displaying apparatus includes laser light sources corresponding to a plurality of colors, while at least one of the laser light sources corresponding to one of the colors includes a plurality of wavelength conversion laser light sources corresponding to a mutually same color and has a plurality of outputs. The image displaying apparatus is operable to display a color image by causing a spatial modulation element to perform a spatial modulation process on laser beams output from the laser light sources by using a field sequential method. When the spatial modulation element performs the spatial modulation process on the laser beams output from one of the laser light sources (e.g., the green laser light source) having a plurality of outputs, a drive controlling device causes green laser emitting units serving as the wavelength conversion laser light sources to sequentially output pulses so that the laser beams output from the green laser emitting units continuously form substantially constant laser outputs that have substantially the same peak power as each other.10-02-2008
20110075056Projection Display Apparatus - A projection display device includes a first communication processing section for performing communications over a network; an interface that is connected to a communication device having a second communication processing section with more advanced processing capability than that of the first communication processing section; and a selecting section that selects the first communication processing section or the second communication processing section disposed in the communication device, for use in communications with the network.03-31-2011
20110261271LIGHTING DEVICE AND PROJECTION TYPE DISPLAY APPARATUS INCLUDING THE SAME - A lighting device configured to efficiently combine light beams emitted from a plurality of light sources, and to emit high output light while minimizing light loss, and a projection type display apparatus including the lighting device. The lighting device includes: a first light source and a second light source; two converging lenses for converging light beams emitted from the first and second light sources; two right-angle prisms for bending the light beams emitted from the first and second light sources; and a composite rod integrator for combining the light beams emitted from the first and second light sources. Between an exit surface of each right-angle prism and an incident surface of the composite rod integrator, a predetermined air gap is provided. The focal point of each converging lens is located on an incident surface of each right-angle prism.10-27-2011
20110096248DISCHARGE LAMP LIGHTING DEVICE AND PROJECTION-TYPE VIDEO DISPLAY APPARATUS - A discharge lamp lighting device includes a lamp current control portion that generates, in synchronization with an input video signal, a control signal for controlling polarity reversal of an AC current with a steady-state lighting frequency and an AC current with a low frequency, and a lamp driving portion that drives the discharge lamp based on the control signal that is output by the lamp current control portion. The lamp current control portion generates a control signal for a brightness reduction waveform with timing corresponding to polarity reversal of the AC current with the steady-state lighting frequency, and the lamp driving portion inserts a current reduction waveform into the AC current with the low frequency by decreasing a voltage applied to the discharge lamp based on the control signal for the brightness reduction waveform. It is possible to reduce flicker that could be perceived due to insertion of a period without a reduction of the projection light amount (a period without a polarity reversal at the low frequency) during repeated reductions of the projection light amount occurring at intervals of polarity reversal of the steady-state lighting frequency.04-28-2011
20110080533Dithering Laser Drive Apparatus - A laser drive apparatus includes a plurality of transistors driven by different comparators. The different comparators receive an analog drive value and different ramp signals and produce pulse width modulated output signals. A calibration feedback circuit may be used to calibrate a power supply that provides a power supply voltage. A dither circuit may be used to reduce the number of bits received by the laser drive apparatus.04-07-2011
20100110309PORTABLE ELECTRONIC DEVICE WITH MULTIMEDIA FUNCTION - A portable electronic device with multimedia function includes a central processing unit, and a projection module, a multimedia information management module, a power management module all electronically connected to the central processing unit. The projection module projects multimedia signals of the electronic device onto a surface to display the multimedia signals. The multimedia information management module classifies and selects to play the multimedia signals under the control of the central processing unit. The power management module sets a power consumption mode under the control of the central processing unit in accordance with multimedia signals format.05-06-2010
20100110310MOBILE TERMINAL HAVING PROJECTOR AND METHOD OF CONTROLLING DISPLAY UNIT IN THE MOBILE TERMINAL - A mobile terminal having a projector and a method for controlling a display unit in of the mobile terminal are provided. The method includes outputting, if a presentation application is selected, a screen image for performing the selected presentation application through the display unit and the projector, turning off power supplied to an entire area of the display unit, and performing, if a touch is detected through the touch screen, a function according to the detected touch in the selected presentation application.05-06-2010
20100253860Projector - A projector includes: a determination section to specify a reflection position of a reflected light received by a light receiving sensor based on a horizontal synchronizing signal and a pixel clock signal of an image signal, and to determine an amplification quantity of the intensity of a reflected light reflected at the specified reflection position to be received by the light receiving sensor; an amplification section to amplify the intensity of the reflected light received by the light receiving sensor by the determined amplification quantity; an identification section to identify an external obstacle when the intensity of the amplified reflected light exceeds a predetermined threshold value; and a calculation section to calculate the position information of the external obstacle based on the timing of identifying the external obstacle, the horizontal synchronizing signal, and the pixel clock signal of the image signal.10-07-2010
20100214496INDOOR PROJECTION OF AN AIRCRAFT - A projection method and projection device for projecting an overall image to interior walls of an aircraft, in which method or device the boundary regions of several partial images of an overall image to be presented are matched correspondingly, and partial images are pre-distorted in order to, in this way, obtain a large-area non-distorted image presentation even in the case of complex geometric shapes of projection areas, in which image presentation the transition regions of partial images are at least perceptible only to a limited extent.08-26-2010
20100066921Quantum Photonic Imagers and Methods of Fabrication Thereof - Emissive quantum photonic imagers comprised of a spatial array of digitally addressable multicolor pixels. Each pixel is a vertical stack of multiple semiconductor laser diodes, each of which can generate laser light of a different color. Within each multicolor pixel, the light generated from the stack of diodes is emitted perpendicular to the plane of the imager device via a plurality of vertical waveguides that are coupled to the optical confinement regions of each of the multiple laser diodes comprising the imager device. Each of the laser diodes comprising a single pixel is individually addressable, enabling each pixel to simultaneously emit any combination of the colors associated with the laser diodes at any required on/off duty cycle for each color. Each individual multicolor pixel can simultaneously emit the required colors and brightness values by controlling the on/off duty cycles of their respective laser diodes.03-18-2010
20100026911TRANSMISSION DEVICE, TRANSMISSION SYSTEM, TRANSMISSION METHOD, AND COMPUTER PROGRAM PRODUCT - A transmission device includes: a reproduction audio producing unit which produces reproduction audio; a continuous audio producing unit which produces continuous audio; a synthesized audio producing unit which synthesizes the reproduction audio and the continuous audio to produce synthesized audio; a capture audio data producing unit which captures the synthesized audio to produce capture audio data; and a transmitting unit which transmits the capture audio data to a reproduction device.02-04-2010
20100026908PROJECTOR CAPABLE OF DISPLAYING INFORMATION VIA PROJECTION SCREEN OR EXTERNAL DISPLAY AND DISPLAYING METHOD THEREOF - A displaying method of a projector is disclosed. The projector includes an A/V processor, an output connector, and a detector. The A/V processor is configured for reading A/V data from a data source and processing the A/V data to output corresponding A/V signals. The output connector is configured for outputting the A/V signals to an external display. The output connector includes a pin which outputs synchronization frames of the A/V signals when the output connector is not connected to the external display. The displaying method includes: powering on and initializing the projector; and detecting synchronization frames of the output A/V signals from the pin, if yes, powering on the light source, if no, powering off the light source.02-04-2010
20090207321IMAGE TRANSFER DEVICE, IMAGE DISPLAY APPARATUS, AND IMAGE DATA TRANSFER METHOD - An image transfer device which sequentially transfers successive image data to an image display apparatus via a network includes a memory unit which stores the image data and a control unit. The control unit transmits the image data to the image display apparatus during connection with the network, sequentially stores the continuing image data in the memory unit when detecting abnormal cut off of the network, and sequentially transfers the image data stored in the memory unit to the image display apparatus when detecting restoration of the network.08-20-2009
20110051020Video Projector And Image Display System - A video projector including a plurality of light sources used to display an image and a control unit that switches each of the light sources between states of activation and deactivation. The control unit is capable of setting an activation period for each activation of at least one of the light sources.03-03-2011
20100302463PROJECTION VIDEO DISPLAY DEVICE - A projection video display device 12-02-2010
20110063527Arrangement for and Method of Projecting A Color Image By Switching Scan Directions In Alternate Frames - A lightweight, compact image projection module, especially for mounting in a housing having a light-transmissive window, is operative for causing selected pixels in a raster pattern of scan lines to be illuminated to produce an image of high resolution in color. The direction of scanning of the scan lines is switched between alternate frames, and the resulting image is the superposition of successive frames integrated for viewing by the human eye.03-17-2011
20110157485SYSTEMS AND METHODS FOR PARTITIONED COLOR, DOUBLE RATE VIDEO TRANSFER - Systems, methods and devices provide for fast and power efficient transfer of three color data words (e.g., a M-bit red color word, a M bit green color word and a M-bit blue color word) per pixel from a controller to a laser diode driver (LDD). First and second transfer words are produced based on the three color data words. The first transfer word is transferred from the controller to the LDD and stored at LDD in response to a low-to-high portion of a cycle of a data transfer clock, and the second transfer word is transferred and stored in response to a high-to-low portion of a cycle of the data transfer clock. The first, second and third color data words are reproduced by the LDD in dependence on the first and second received transfer words. First, second and third DACs of the LDD are driven with the first color data word, the second color data word, and the third color data word. Three light sources (e.g., red, green and blue laser diodes or LEDs) are driven with output currents of the DACs.06-30-2011
20110157484Integrated Projector System - A projector includes a first serial advanced technology attachment connector, a latch, a switch, and a communication module. The first serial advanced technology attachment connector is configured to connect with a second serial advanced technology attachment connector located within a computer. The latch is configured to extend from the projector and to disconnect the first serial advanced technology attachment connector from the second serial advanced technology attachment connector. The switch is in communication with the latch, and is configured to close when the latch is extended. The communication module is in communication with the switch and with the first serial advanced technology attachment connector. The communication module is configured to provide power to a radio link, to initiate communication with the computer via the radio link, to receive an image from the computer, and to display the image.06-30-2011
20100026910HIGH RESOLUTION DMP PROJECTION SYSTEM - A high resolution projection system has a light source for generating and emitting light and a plurality of digital micromirror device imagers configured to receive and reflect the light.02-04-2010
20120013812Systems And Methods For Reducing Speckle In Laser Projected Images - A laser projection system includes a light source, a speckle reduction adjustable optical component and a scanning adjustable optical component. The light source includes at least one laser configured to emit an output beam. The speckle reduction adjustable optical component rotates about a speckle reduction axis. The scanning adjustable optical component rotates about two axes. The laser projection system is programmed to generate a scanned laser image on the projection surface by operating the laser for optical emission of encoded image data and controlling the scanning adjustable optical component to rotate about the two axes to scan the output beam in first and second directions. The laser projection system is also programmed to rotate the speckle reduction adjustable optical component and the scanning adjustable optical component such that the output beam illuminates common portions of successive image frames at a different angle of incidence on the projection surface.01-19-2012
20120026414PROJECTION ELECTRONIC BOOK - A projection electronic book, having: an electronic paper device, used for displaying an image on an electronic paper panel according to an image information received via an electronic paper input port; a control unit, having an audio/video input port, a first display output port and a second display output port, the audio/video input port being used to receive a video information and/or an audio information, the video information being output via the first display output port or the second display output port, and the first display output port being coupled to the electronic paper input port; an audio/video storage unit, coupled to the audio/video input port to supply the video information and/or the audio information; and a micro projector, coupled to the second display output port for receiving the video information, being used to project an image according to the video information.02-02-2012
20120154694VIDEO PROJECTOR - A projector is provided with a housing including an air inlet and an air filter that covers the air inlet. The air filter is arranged on the housing. A clogging detection sensor detects a clogging degree of the air filter. A projection lens, which serves as a presentation unit displays the clogging degree of the air filter. A control unit displays the clogging degree with the projection lens in three or more stages based on the detection result of the clogging degree.06-21-2012
20110075055DISPLAY SYSTEM HAVING COHERENT AND INCOHERENT LIGHT SOURCES - Embodiments are disclosed that allow light display systems, such as projectors, to be manufactured having lower power consumption, reduced speckling, and/or that are less expensive than conventional light projectors. In some embodiments, may include an incoherent light source and a coherent light source operating in concert with one another to produce a combined light beam that has similar wavelength contributions from the incoherent and coherent light sources.03-31-2011
20090135312Apparatus For And Method Of Forming Images With Oscillation Mirror - An image forming method which generates a video signal corresponding to an image forming command based on a video clock signal, modulates a light beam according to the video signal, and scans the modulated light beam along a main scanning direction by means of an oscillation mirror which resonates based on a drive signal, so as to form a latent image in an effective image region of a latent image carrier, the method includes: synchronizing the drive signal with the video clock signal to synchronize a detection signal with the video clock signal, the detection signal being output from a detector which detect the light beam scanned in the main scanning direction in a region away from an effective scan region which corresponds to the effective image region; controlling a resonant frequency of the oscillation mirror based on the detection signal so that the resonant frequency of the oscillation mirror almost coincides with the frequency of the drive signal; and adjusting a position, at which the latent image is written over the latent image carrier, is adjusted by adjusting output timing of the video signal based on the detection signal from the detector.05-28-2009
20130010211Display Device, and Portable Apparatus having Projector Function - Disclosed is a display device capable of inhibiting a projected picture from occurrence of brightness unevenness while reducing speckle noise. The display device (01-10-2013
20100289969IMAGE DISPLAY SYSTEM AND METHOD - An image display system comprises a first liquid crystal projector which projects a counterclockwise-rotating, circularly polarized light beam to form an image containing specific visual information on a screen and a second liquid crystal projector which projects a clockwise-rotating, circularly polarized light beam to form a white image on the same screen. When viewed with the naked eye, a combination of the two images projected on the screen appears totally white. A viewer wearing a dedicated viewing device equipped with an optical filter which allows counterclockwise-rotating, circularly polarized light to pass through can selectively see the image projected by the first liquid crystal projector.11-18-2010
20100245683DATA INTERFACE FOR AN OPTICAL DEVICE - An optical device includes an array of optical elements located over a package substrate. A controller is also located over the package substrate. The controller is operable to control an operational state of the array in response to an optical signal detected by an optical receiver.09-30-2010
20120162544METHOD, SYSTEM AND APPARATUS FOR PROJECTING VISIBLE AND NON-VISIBLE IMAGES - A method, apparatus and system for combining non-visible data and visible data for a projector enabled to project visible images and non-visible images are provided. Visible bits representative of the visible images to be projected by the projector in a visible light spectrum are received; non-visible bits representative of the non-visible images to be projected by the projector in a non-visible light spectrum are received; a portion of the visible bits are replaced with at least a portion of the non-visible bits in video data such that the visible images and the non-visible images can be co-projected by the projector upon processing the video data.06-28-2012
20110181791Method and Apparatus for Laser Diode Compensation - The luminance of a laser diode is a function of laser diode drive current. The luminance is also a function of other factors, such as age and temperature. A laser projection device includes laser diodes to generate light in response to a commanded luminance, and also includes photodiodes to provide a measured luminance. The commanded luminance and measured luminance are compared, and drive currents for the laser diodes are adjusted to compensate for changes in laser diode characteristics.07-28-2011
20120212683Projection system and method of curved film - The invention involves a sort of curved film projection system, including a rendering surface, a projection screen, a real scene rendering model of image system, a rendering model of projection system that renders the projection the image rendered by the rendering model of image system on the rendering surface, and projecting devices that projects the image finally rendered by the rendering model of projection system onto the projection screen through optical lens. The viewing direction and angle from observer's eyes to the rendering surface is consistent with that to the projection screen: The image system rendering model can be reversible on optical path with the projection system rendering model. The curved film projection system not only reduces the rendering cost, but also produces lifelike experience for audience.08-23-2012
20120133846ILLUMINATION DEVICE AND VIDEO PROJECTOR - An illumination device includes a light source, which emits light polarized in a single direction, and a beam splitting unit, which splits the polarized light into beams of polarized light at a given ratio. A switching unit switches light converters to convert the polarized light, which is split into a plurality of beams, into beams of colored light. The beams of colored light are combined to change the balance of color purity and light amount of the polarized light.05-31-2012
20090059095PROJECTION LENS SYSTEM AND METHOD - The disclosed embodiments relate to a system and method for medium wide angle projection system. An exemplary embodiment of the present technique comprises an imaging system configured to create an image, at least one lens configured to produce a medium wide-angle representation of the image, and an aperture stop positioned to capture the medium wide-angle representation of the image from the at least one lens.03-05-2009
20090059094Apparatus and method for overlaying image in video presentation system having embedded operating system - A video presentation system is provided for outputting a document and/or multimedia image file as well as a live image on one display unit. The system integrates an embedded system for controlling devices with a video presentation device, which is an optical image electronic device. The video presentation system integrating an embedded operating system (OS) includes: a video presenting unit processing a generated first image or a received second image to generate a signal that can be displayed, and outputting the generated signal, or processing the first image and the second image to generate a signal that can be displayed, by overlaying the images, and transmitting the captured first image or a part of the image; and an embedded unit transmitting the overlay information and the second image to the video presenting unit through periodic communication with the video presenting unit, and receiving the captured first image.03-05-2009
201000269093D IMAGE PROJECTION SYSTEM - A 3D image projection system has a display screen having an array of pixels, an array of pixel pyramids associated with the array of pixels, and a projector configured to project light onto the display screen.02-04-2010
20090102987PROJECTOR AND PROJECTION DISPLAY METHOD - A projector includes: an image pickup unit which obtains an image of a subject; an image signal processing unit which cuts an image corresponding to a projection display area of the subject contained in an image obtained by the image pickup unit, and processes an image signal such that the cut image has a predetermined size to produce a projection image signal; and a projection unit which produces an image according to the image signal produced by the image signal processing unit and projects the image.04-23-2009
20100328551Display Apparatus - To provide a display apparatus which can use a general purpose projector, has a simple structure, and can be manufactured at low cost.12-30-2010
20100328550PROJECTION SYSTEM BASED ON SELF EMITTING DISPLAY PANEL - A projection system based on self emitting display panels is described, in which the projection technology involves organic/inorganic electroluminescent display panels with spatially separated color segments. The color pictures are shown in three spatially separate segments. A color combination mechanism, such as dichroic mirrors, are used to merge the three color pictures to a color picture. One of the advantages of the present invention is that only the on state pixel is driven to a bright state that uses energy. The off state pixel need not be driven to a bright state and therefore the energy consumption is virtually nothing. Another advantage is that the system does not require a separate light source and display panel. Therefore the projection system can be made very compact, which is extremely useful for portable projection systems.12-30-2010
20100328549PROJECTION ELECTRONIC APPARATUS - A projection electronic apparatus is presented. A movable keyboard component is disposed on a host of the electronic apparatus, and a projection component is disposed on the host. When the keyboard component is moved out from the host, a projection ray from the projection component is projected on a screen board outside the host, so as to display a projected screen picture. In addition, the screen board may also be pivoted to the host. When the screen board is opened from the host, the keyboard component is moved out from the host, and the projection ray from the projection component is projected on the screen board, so as to display a screen picture having a maximum scope.12-30-2010
20080297667PROJECTION APPARATUS WITH DIRECT ATTACHMENT OF EXTERNAL STORAGE MEDIA - The subject invention provides systems and methodologies for projecting data from storage media directly attached to a projector. In one embodiment, a projector unit is provided that comprises an input port attached to the projector unit that receives input data from storage media connected to the input port; an embedded computer within the projector unit that utilizes an operating system and has applications stored thereon operable to render input data received from the storage media connected to the input port as a video signal; at least one of a local display screen attached to the projector and a projection lens within the projector for displaying a video signal rendered by the embedded computer; and a control input device attached to the projector unit that facilitates the communication of control input to the projector unit.12-04-2008
20110234919Integrated Photonics Module and Devices Using Integrated Photonics Modules - An integrated photonics module may include a selective fold mirror configured to pass at least a portion of emitted light toward the MEMS scanner and reflect scanned light through to a field of view. The selective fold mirror may use beam polarization to select beam passing and reflection. The integrated photonics module may include a beam rotator such as a quarter-wave plate to convert the polarization of the emitted light to a different polarization adapted for passage through the fold mirror. The integrated photonics module may include one or more light detectors.09-29-2011
20110234918PROJECTOR AND PROJECTING IMAGE ADJUSTING METHOD THEREOF - A projector includes an image signal interface, a micro control unit (MCU), an image output lens, a graphic processing unit (GPU), an image input lens, and an image sensor. The MCU receives image signals through the image signal interface and sets the image signals to a default image parameter configuration. The GPU processes the set image signals to project the set image signals in a configuration of an image on a certain place through the image output lens. The image input lens captures the projected image on an appropriate place. The MCU receives actual image data corresponding to the captured projected image through the image sensor. The MCU compares the actual image data with predetermined image data, and adjusts image parameters of the image signals until a difference between the actual image data and the predetermined data is equal to or less than a predetermined value.09-29-2011
20120327313Wallpaper Projection System - A wall projection system for a room comprising a projector, where the projector is mounting on the ceiling of a four-walled room; at least one projection lens directed from the projector to each wall of the room, where the projection lens projects an image; and a screen type covering for each wall, where the screen type covering receives the image projected from the projection lens. The projector is mounted to a center point of the ceiling, to allow the projection lenses to project the images onto a screen-type wallpaper on the walls. The image projected is a single panoramic image projected onto each of the walls of the room.12-27-2012
20120327314PROJECTOR AND CONTROL METHOD - A projector includes a projecting portion, an image data producing portion, an angular velocity sensor, and a control portion. The projecting portion projects an image based on input image data. The image data producing portion produces the image data and then outputs the image data to the projecting portion. The angular velocity sensor detects angular velocity and is longitudinally arranged in a longitudinal direction that is different than a horizontal direction and a vertical direction of the front panel and configured to determine angular velocity in a direction of rotation about the longitudinal direction of the angular velocity sensor to determine movement of the projector in at least one of in the horizontal direction and the vertical direction. If the angular velocity is detected by the angular velocity sensor, the control portion controls the image data producing portion so as to adjust the image data.12-27-2012
20090256973Reducing power dissipation in portable LCOS/LCD/DLP portable projection systems - A projection system with one or more light sources reduced power consumption and optional scanning capability is disclosed. A controller processes image data to generate light source control signals and pixel screen control signals which are coordinated to generate an image. Reductions in power consumption occur by matching the light output from the light source to the brightest pixel(s) in the pixel screen for a particular frame. By setting the light output level to an intensity or duration matched to only the maximum level corresponding to a image frame, power consumption is reduced as compared to an embodiment which sets the light source output to its maximum level or maximum duration. The pixel screen, which may be an LCD screen, sets pixel areas corresponding to the brightest pixels as transparent and other, less bring pixels on the pixel screen are set to appropriate levels of reduced transparency.10-15-2009
20110157486ESCAPE GUIDING APPARATUS AND ESCAPE GUIDING SYSTEM - An escape guiding apparatus includes: a projecting section projecting an image on a floor by scanning a laser beam; a storage section storing escape guidance information for guiding a person who is escaping; and an image information generating section generating image information of the image to be projected based on the escape guidance information stored in the storage section.06-30-2011
20130021537Rear Projection Imaging System with Image Warping Distortion Correction System and Associated Method - A rear projection imaging system with an image warping distortion correction system using a camera and processing unit to generate a warping map that corrects for image distortion. The warping map is generated in an iterative process by displaying a known pattern on a viewing screen and, through the use of a camera, having a microprocessor determine the location and shape of the pattern on the screen. The microprocessor then compares the displayed image to the original reference image, calculates the distortion effects present in the projection optics, and generates a warping map.01-24-2013
20080246892PROJECTION SCREEN - A projection screen is provided, which includes a casing having an opening disposed at the bottom thereof. The casing at least has two shafts, two screens, two stay tubes, and two driving devices disposed therein. Each of the shafts has a screen wound thereon, each screen correspondingly has a stay tube disposed at the bottom thereof, and each driving device drives a shaft. The shafts are disposed inside the casing and a screen of one material is wound on each shaft, thus the match between the projection screen and various projectors is realized by the alternation of the screens to adapt to various projection circumstances and contents, so as to obtain a better optimal projection effect.10-09-2008
20130169887Projection Application Device Working Through a Wireless Video Output Device and Its Video Output Control Unit - The present invention provides a projection application device which is working through a wireless video output device and its video output control unit. The video output device includes a microprocessor. A video output unit is coupled to the microprocessor for outputting a video data. A video output control unit is coupled to the microprocessor for controlling a projecting image outputted by the projection device. The video output control unit includes a designation unit for designating the video data to the projection device or the video output device.07-04-2013
20090141190Rear projection immersive display system - An immersive rear projection imaging and audio system with interactive capability. It utilizies a single projection device. Said device receiving its image correction information via a computer interface. The computer interface is performing 3-D geometric image reformation and correction from the source. Said source may be supplied by any commercially available media or means. The receiving surface of the specially treated, vertically oriented open ended dome screen having a truncated lower quadrant section. Within said hemispherical display screen, the viewer's field of vision is immersed within the projected image. We further cause an immersive audio experience within this same space and present a method for producing same.06-04-2009
20100085491PROJECTION SYSTEM BASED ON METAMERISM - The invention relates to a projection system for displaying at least one visual image based on three primary colours, comprising a signal processing unit for converting said visual image into at least a visual image based on four primary colours, a frequency band being associated to each colour primary, first display means for displaying three first primary colours of said visual image on a screen and second display means for displaying at least the fourth primary colour of said visual image on said screen. According to the invention, the system further comprises optical filtering means that are adapted to enhance the separation between the frequency spectrum of the first three primary colours of the first display means and the frequency spectrum of the at least fourth primary colour of the second display means. Application to anti-camcorder systems.04-08-2010
20130093965LIGHTING DEVICE, DISPLAY DEVICE AND TELEVISION DEVICE - An object is to provided a lighting device in which damage due to friction between a reflection sheet and a light guide plate is reduced or suppressed even if a stress is applied toward the reflection sheet by a housing due to asperities of a bottom plate of the housing. A backlight unit 04-18-2013
20130100358MULTIDIRECTIONAL DISPLAY SYSTEM - An optical display system includes a projection system for outputting images having an image refresh frequency and a two-dimensional screen for receiving the images. The screen is coupled to a motion unit which allows a motion of the screen at a frequency which is equal to the refresh frequency of the images.04-25-2013
20110273629IMAGE DISPLAYING APPARATUS, AND A METHOD FOR ADJUSTING VIBRATING CONDITION OF A REFLECTION MIRROR IN THE IMAGE DISLAYING APPARATUS - For enabling to prevent ill effects from being generated in the structures of a reflection mirror, even if increasing an output energy from a light source, thereby preventing ill influences from being exerted on the driving condition thereof, a mirror drive controller unit 11-10-2011
20110273628OPTICAL DEVICE AND PROJECTION SYSTEM - An optical device for controlling a projector is provided. The projector projects a projection image. The optical device includes a receiving module, a mode switching module, and a transmission module. The receiving module is capable of sensing a reflected signal of the projection image. The mode switching module is capable of generating a control signal to control the projector to switch from a first mode to a second mode. The transmission module is capable of transmitting the reflected signal and the control signal to the projector. A projection system including the projector and the optical device is also provided.11-10-2011
20110249200REFLECTION-TYPE SCREEN, PROJECTION SYSTEM, FRONT PROJECTION TELEVISION SYSTEM, AND REFLECTION-TYPE SCREEN MANUFACTURING METHOD - A reflection-type screen which reflects projection light from a projector is provided. The screen includes a base one surface of which has a plurality of curved portions having concave or convex surfaces. Each of the curved portions of the base has a reflection area and a non-reflection area. A reflection film is formed on each of the reflection areas. An anti-reflection film is formed on each of the non-reflection areas. Each of the anti-reflection films has a plurality of transparent columnar components.10-13-2011
20120274865Image-Display Method, Projector, Image-Display System, Projector-Control Method, Image-Display Program, and Projector-Control Program - With a conventional image-display system, a presenter sometimes has difficulty in providing every viewer with an easy-to-see picture. When projecting an image transmitted from a computer operated by the presenter and enabling the viewer to watch the image projected by the projector, the projector receives image data transmitted through two-way communication from the computer operated by the presenter, projects an image represented by the received image data and transmits the received image data to a client computer operated by the viewer through the two-way communication, and the client computer receives the image data transmitted through the two-way communication and displays the image represented by the received image data on its display.11-01-2012
20100309390MULTIMEDIA PROJECTION MANAGEMENT - System and methods for outputting coordinated audio and video presentations are provided. The system includes a plurality of speakers and a display device capable of providing a plurality of projection images. Sound generated by the plurality of speakers is coordinated with the plurality of projection images. The coordination process may be automatically performed according to position change of the plurality of projection images. Sound generated by the plurality of speakers may be further modulated according to position of a user or motion of a video object being displayed in one or more of the plurality of projected images.12-09-2010
20120281152SYSTEM AND METHOD FOR PROJECTING ONTO AN UPPER SURFACE OF A BODY OF WATER - A projection system for projecting light such as images or content upon a liquid surface such as a lake or pool surface. The system includes an agitation assembly selectively operable to agitate a portion of the upper surface of liquid to form a projection screen. The system includes a projector assembly projecting or focusing light onto the projection screen on the upper surface of the liquid. The liquid is translucent to light, but the projection screen on the upper surface reflects a portion of the projected light due to the agitation. The agitation assembly may include an aeration system with a distribution manifold and is positioned below the liquid surface and has outlets discharging gas into the liquid such that air bubbles for the screen. The manifold outlets may be provided at two or more depths, whereby two or more portions of the projection screen are generated at differing times.11-08-2012
20130182194DOCKING DEVICE AND PORTABLE PROJECTOR - A docking device for connecting an electronic device includes a base and a connector. The connector has a body and a connecting port on the base. The body is provided on the base to be moved between a first position and a second position. The connecting port is hidden in the base when the body is moved to the first position, and the connecting is exposed to connect the electronic device when the body is moved to the second position. The docking device may be incorporated in a portable projector.07-18-2013
20090303397METHOD AND APPARATUS FOR INCREASING EFFECTIVE CONTRAST RATIO AND BRIGHTNESS YIELDS FOR DIGITAL LIGHT VALVE IMAGE PROJECTORS - The present invention is a method and apparatus for increasing the effective contrast ratio and brightness yields for digital light valve image projectors using a variable luminance control mechanism (VLCM), associated with the projector optics, for modifying the light output and provide a correction thereto; and an adaptive luminance control module (ALCM) for receiving signals from the video input board, the adaptive luminance control module producing a signal on a VLCM bus connecting the variable luminance control mechanism and the adaptive luminance control module, the signal causing the variable luminance control mechanism to change the luminance of the light output and provide a corrected video signal for the projector.12-10-2009
20110310310System and method for imagination park tree projections - There is provided a system and method for multiple sided video projection mapping on arbitrarily shaped objects. By using the same shape data to manufacture the object and to configure the projection mapping onto the object, stray light, reflections, and other distortions can be reduced or eliminated. By constructing the object using a non-opaque layer and a projection coating layer, video content projected onto the object can be seen on multiple sides. Thus, the number of projectors required for multi-sided viewing can be reduced, simplifying deployment and reducing costs. The invention may be of particular use for retail spaces or other public venues where display of image or video content for information, entertainment, or atmosphere enhancement is desirable.12-22-2011
20130201409LIGHT-ADJUSTING UNIT AND PROJECTOR - A light-adjusting unit includes: a pair of light-shielding plates arranged about an illuminating optical axis of an incoming light flux and configured to block the light flux in response to the amount of rotation; a pair of rotation transmitting gears configured to hold and rotate the pair of light-shielding plates respectively; a pair of supporting shafts configured to rotatably support the pair of rotation transmitting gears respectively; a supporting substrate on which the pair of supporting shafts are provided; and a pair of urging members configured to press and urge the pair of rotation transmitting gears respectively against the supporting substrate.08-08-2013
20130201408LIGHT SOURCE DEVICE AND PROJECTION DEVICE INCLUDING THE LIGHT SOURCE DEVICE - A light source device includes an LD module having a plurality of small light sources such as LDs, a control device selectively controlling On/Off of a plurality of the LDs, a first optical system collecting light emitted from the LDs into one collected light, and a second optical system emitting the collected light directly or through an optical process as source light. The control device maintains a constant amount of luminescence of the light source by controlling a number of the LDs selectively turned on in order to achieve a simple configuration of the light source device and a proper gradation expression of images.08-08-2013

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