Class / Patent application number | Description | Number of patent applications / Date published |
353121000 | METHODS | 31 |
20080231819 | Method of Displaying an Image for a Document Projector - A method of displaying an image for a document projector is disclosed. The method includes capturing the image of an object to get an input image; generating a frame; overlapping the frame and the input image, wherein the frame separates the input image into an emphasized area and a not-emphasized area to form an output image; and displaying the output image. | 09-25-2008 |
20090027633 | Method of calibrating projection lens - A method of calibrating projection lens in a projector is disclosed herein. The method includes setting a coordinate matrix over a visible region of a projector, checking whether a coordinate of a mobile target of the projection lens is located within the visible region, and moving the projection lens to the coordinate of the mobile target when the coordinate of the mobile target is confirmed to be located within the visible region. | 01-29-2009 |
20090128786 | IMAGING SYSTEM WITH A MICROELECTROMECHANICAL LIGHT VALVE - An imaging system comprises a light valve having an array of light valve pixels. For processing grayscale/color images, each light valve pixel represents a discrete grayscale level. During image processing, desired grayscales can be accomplished by imaging the light valve pixels onto the target such that the perceived grayscale of each target pixel is a sum of grayscales represented by a plurality of light valve pixels. | 05-21-2009 |
20090153811 | Cooperative Pointillistic Projection of a Graphical Image on a Pre-Selected Remote Surface by Using a Multiplicity of Lasers - A method is described for multiple persons operating lasers to cooperatively project a pointillistic graphical image onto a remote surface. The visibility of the projected image depends on aiming the lasers with accurate relative displacements. Invariant features of the specific remote landscape where the image is to be projected are used as guideposts for maintaining these displacements. A set of transparent images is distributed to the laser operators, designating for each a spot to illuminate, superimposed on a scaled representation of the background landscape. In the preferred embodiment, each transparent image is used as a reticle, mounted into a monocular at its internal focal plane with the designated illumination spot centered on-axis. A laser is also rigidly attached to the monocular, with their optical axes parallel. Each operator aims his/her laser by visually sighting through the monocular so as to align transparent and direct views of the target landscape. | 06-18-2009 |
20090185147 | PROJECTOR IMAGE PRINTING SYSTEM - In a projector image printing system, a projector receives an image, projects the image from the projector, and communicates the image from the projector to a printer. In an embodiment, a projector includes a graphics connectivity to receive an image from an information handling system (IHS), a projection system to project the image away from the projector, a graphics capture system to capture the image as a data file, and a communication system to communicate the data file to a printer. In another embodiment, a method to print an image from a projector includes receiving a print instruction from a user, converting a projected screen by the projector to an image, and sending the image to a printer. | 07-23-2009 |
20090303449 | PROJECTOR AND METHOD FOR OPERATING A PROJECTOR - A projection device ( | 12-10-2009 |
20090310093 | Systems and methods for projecting in response to conformation - The present disclosure relates to systems and methods that are related to projection. | 12-17-2009 |
20090310094 | Systems and methods for projecting in response to position - The present disclosure relates to systems and methods that are related to projection. | 12-17-2009 |
20090310095 | Systems and methods associated with projecting in response to conformation - The present disclosure relates to systems and methods that are related to projection. | 12-17-2009 |
20090310096 | Systems and methods for transmitting in response to position - The present disclosure relates to systems and methods that are related to projection. | 12-17-2009 |
20090310097 | Projection in response to conformation - The present disclosure relates to systems and methods that are related to projection. | 12-17-2009 |
20090310098 | Methods and systems for projecting in response to conformation - The present disclosure relates to systems and methods that are related to projection in response to conformation. | 12-17-2009 |
20090310099 | Methods associated with receiving and transmitting information related to projection - The present disclosure relates to systems and methods that are related to projection. | 12-17-2009 |
20100195064 | MOBILE DEVICE HAVING PROJECTOR MODULE AND DISPLAY METHOD FOR DATA PROJECTED ONTO EXTERNAL DISPLAY SCREEN FROM THE PROJECTOR MODULE - A mobile device has a projector module which projects data onto an external display screen. A method for displaying data in the mobile device includes activating the projector module and detecting output property information in at least one of content and an application. The method further includes determining a display format of output data of the content or the application based on the detected output property information. Also, the method includes projecting the output data in the determined display format through the activated projector module in a horizontal or vertical orientation. Such a display format may be changed according to a user's preference or a device presetting environment. | 08-05-2010 |
20100277704 | Speckle Mitigation in Laser Projection Systems - Particular embodiments relate generally to laser projection systems and, more particularly, to systems and methods of reducing the appearance of speckle in laser projection images. According to one embodiment, a laser projection system comprising a light source and scanning optics is provided. The scanning optics include a plurality of frame generating optics configured to scan the output beam across a given projection surface to generate an image frame. The frame generating actuators are spatially separated such that output beams scanned by the frame generating actuators illuminate each common pixel portion of the image frames at a different incidence angle. The scanning optics also include an actuator selector positioned in an optical path of the output beam and configured to direct the output beam towards a selected one of the plurality of frame generating actuators. | 11-04-2010 |
20100277705 | Spinning Optics for Speckle Mitigation in Laser Projection Systems - Particular embodiments relate generally to systems and methods of reducing the appearance of speckle in laser projection images. According to one embodiment, a laser projection system includes a light source, scanning optics and spinning optics. The light source includes at least one laser configured to emit an output beam. The scanning optics is positioned in an optical path of the output beam and configured to scan the output beam across a plurality of image pixels onto the spinning optics. The spinning optics is configured to create a virtual image of the scanning optics, translate the virtual image and change the angle of incidence of the output beam. The laser projection system is programmed to generate at least a portion of a scanned laser image, execute the translation of the virtual image by moving the spinning optics, and compensate for a relative image shift resulting from the translated virtual image. | 11-04-2010 |
20100321647 | PORTABLE ELECTRONIC DEVICE AND METHOD OF POWER MANAGEMENT FOR SAME TO ACCOMMODATE PROJECTOR OPERATION - A portable electronic device implements power management to accommodate operation of a projector from the device's power source. The portable device includes a power source, a memory, a user interface, and a processor. The memory stores an image file and associated content metadata. The user interface receives a request to use the projector to perform a projection task, wherein the task includes projecting images from the image file onto a display surface. The processor is operable to: (i) retrieve the content metadata from the memory responsive to the request; (ii) project, based at least on the content metadata, whether the power source has sufficient power remaining for the projector to complete the task; and (iii) if there is not sufficient power remaining, modify parameters associated with the task and/or functionality of the portable device in an attempt to enable the power source to supply sufficient power to the projector. | 12-23-2010 |
20110205504 | Laser Display System with Optical Feedback Configured to Reduce Speckle Artifacts - An imaging system ( | 08-25-2011 |
20110235005 | POSITIONING METHOD FOR AN OPTICAL ARRANGEMENT OF A PROJECTION ILLUMINATION SYSTEM - The present disclosure relates to a method for the production and/or adjustment of an optical arrangement of a projection illumination system, in which at least one actuator is used to set the position of at least one optical element to be manipulated by moving the optical element incrementally with a specific increment size. The increment size of the movement increments is set as a function of the distance of the optical element from the desired position, with the distance being represented by a distance value. If the distance value is above a first threshold value, a substantially constant increment size is set, while the specific increment size decreases as the distance from the desired position decreases if the distance value is below the first threshold value. Alternatively or additionally, a pre-specified deviation from the specific increment size and/or from a pre-specified increment size change rate results in a warning signal and/or ceasing of the movement. | 09-29-2011 |
20110242507 | SPORTS PROJECTION SYSTEM - A method of facilitating athletic training is disclosed herein. The method includes the step of projecting an image downwardly on a surface. The projected image displays a plurality of indicia including at least one position indicia corresponding to a participant of an athletic activity and at least one reference indicia at least partially spaced from the at least one position indicia. | 10-06-2011 |
20120075598 | PROJECTING AN IMAGE USING A MOVING ILLUMINATION BEAM - According to one embodiment, an image projector has a spatial light modulator (SLM) adapted to modulate illumination from a laser with a spatial pattern such that the modulated illumination projects an image on a viewing screen. The image projector further has an optical diffuser located on an optical path between the laser and the SLM. The laser is adapted to illuminate the SLM through the optical diffuser to create an illuminated area at the SLM. The optical diffuser is adapted to introduce an angular spread into the light transmitted therethrough. The image projector is adapted to move the illuminated area with respect to the SLM to mitigate speckle in the projected image. | 03-29-2012 |
20120075599 | METHOD FOR CONTROLLING A PROJECTOR - The present invention relates to a method for controlling a projector. More particularly, the present invention relates to a method for controlling a projector that enables a projector to operate even when the temperature of the ambient air exceeds a predetermined temperature, and prevents the operation of the projector from being forcibly terminated even when the inside of the projector overheats beyond a predetermined temperature. | 03-29-2012 |
20120133911 | Interactive Projected Sandbox - A method for creating an interactive display in which users/players can form the projection screen. The method includes providing granular display material, such as a layer of sand in a container, and storing a guide image and a display image in memory of a control system. Then, a projector is first operated to project the guide image on an upper surface of the display material. After a sculpting period or in response to a user or operator provided trigger, the method includes second operating the projector to project the display image on the upper surface which has been sculpted by the user into a 3D projection surface or screen during the first operating step. The projected guide image may include an outline of an object, and the display image may include an image element that is mapped to the location of the outlined object. | 05-31-2012 |
20120212712 | METHOD FOR DISPLAYING IMAGES AND/OR OTHER INFORMATION ON AIRCRAFT BLADES - A method for displaying information via a light source on rotating helicopter blades of an aircraft such as a helicopter is provided. The light source may be a laser light source and the light therefrom may be directed onto the aircraft blade by one or more motion controlled mirrors and a computer controller. A sensor is capable of determining the position of helicopter blades during rotation, such that light may be projected upon only the moving blade at precisely timed intervals, so as to form perceivable graphics and/or messages thereon. In addition, the method may be utilized for displaying graphics and/or messages on rotating propellers of fixed wing aircraft. | 08-23-2012 |
20130188157 | THREE DIMENSIONAL IMAGE PROJECTOR STABILIZATION CIRCUIT - A method for providing a feedback circuit for a three dimensional projector. First and second input devices and a sensor for determining the rotational speed of the second input device are provided. A control device for controlling the rotational speed of the second input device and a phase locked loop (PLL) are provided. A phase reference signal is created based on the signal rate of the first input device. A phase signal is created based on the rotational speed of the second input device. The PLL compares the phase reference signal and the phase feedback signal to determine whether the first input device and the second input device are synchronized. A signal is sent to the control device for the second input device to change the rotational speed of the second input device in response to determining that the first input device and the second input device are not synchronized. | 07-25-2013 |
20130194556 | Polarization Conversion System for a PICO-Projector - An illumination system for a pico-projector that provides polarization conversion includes the combination of an optical element with a series of stacked, elongated PBSs, where alternate ones of the PBSs have a half-wave plate film applied to a back side thereof and a retarder stack film (RSF) that flips or passes different linear polarization orientations based on the wavelength of light. This combination is placed at a position in the illumination system where the impinging light is collimated to at least some degree. | 08-01-2013 |
20130222776 | IMAGE PROJECTOR, METHOD OF IMAGE PROJECTION, AND COMPUTER-READABLE STORAGE MEDIUM STORING PROGRAM FOR CAUSING COMPUTER TO EXECUTE IMAGE PROJECTION - An image projector includes a pattern image generator generating image data of a pattern image which specifies a position of a grid point by a flat portion as an intermediate tone level of a background image, a high tone portion higher than the intermediate tone level and a low tone portion lower than the intermediate tone level; a projection device projecting the pattern image on a screen; an image for correction input device inputting an imaged image for correction; a geometric distortion detector detecting geometric distortion information of the grid point which divides the imaged image for correction into blocks based on an imaged image for correction where the pattern image projected on the screen has been imaged and inputted by the image for correction input device; and a geometric distortion corrector correcting geometric distortion of a projected image projected on the screen based on the geometric distortion information. | 08-29-2013 |
20140063475 | Safety Protection Method for Laser Projection Apparatus - A safety protection method for a laser projection apparatus is provided. The laser scanning apparatus includes a laser source, a laser source driver, a scanning mirror, and a light-outputting port. The laser source driver is configured to drive the laser source to emit a laser beam. The safety protection method includes the following steps. Firstly, after the laser projection apparatus is powered on, an optical path of the laser beam is adjusted, so that the laser beam is not ejected out from the light-outputting port. Then, the laser source driver is disabled. Then, a judging step is performed to judge whether an intensity of the laser beam is higher than a threshold level. If the intensity of the laser beam is higher than the threshold level, the laser source is turned off. | 03-06-2014 |
20140333908 | METHOD OF REGULATING LIGHT WAVELENGTH FOR PROJECTION DEVICE - The disclosure provides a method for regulating a light wavelength of a projection device. The method comprises the following steps. A single-color light source is provided and emits a first chromatic light. A phosphor layer is formed on an optical path of the single-color light source, so that the first chromatic light transmits the phosphor layer. The phosphor layer transforms a part of the first chromatic light to a second chromatic light, and emits the residual first chromatic light. The residual first chromatic light is further mixed with the second chromatic light to generate a third chromatic light. The wavelength of the third chromatic light is regulated by adjusting the proportion of the luminous intensity of the residual first chromatic light and the second chromatic light. | 11-13-2014 |
20150015855 | AUTOSTEREOSCOPIC DISPLAY DEVICE AND PROJECTING METHOD USING THE SAME - An autostereoscopic display device includes a first light source, a light beam deviating device, a first light modulator, a lens, and an optical module. The first light source is configured for providing a first light beam. The light beam deviating device is configured for deviating the first light beam propagated from the first light source to different directions in sequence. The first light modulator is configured for modulating the first light beam into a plurality of first image light beams in sequence. The optical module is configured for guiding the first light beam propagated from the light beam deviating device to the first light modulator, and guiding the first image light beams to the lens. | 01-15-2015 |
20160073071 | IMAGE PROJECTION APPARATUS - An image projection apparatus includes laser light sources that each emit laser light; a beam combiner combining the laser lights; a beam deflector periodically changing a traveling direction of the combined laser lights and directing the laser lights to a screen; and a controller controlling a drive current supplied to the laser light sources based on a relationship between the drive current and a total light intensity outputted from the laser light sources, in which the total light intensity comprises three ranges, the controller supplies the drive current to the laser light sources when the laser lights are emitted in the total light intensity included in either the first or the third range, and the controller supplies the drive current to at least one or some of the laser light sources when the combined laser lights are emitted in the total light intensity included in the second range. | 03-10-2016 |