Class / Patent application number | Description | Number of patent applications / Date published |
353094000 | PLURAL | 29 |
20080297740 | Projection system and method of use thereof - A projection system and method of use thereof, wherein a computer in electrical communication with at least one projector projects a layout, preferably onto a floor projection surface utilizing short throw lenses, wherein the layout preferably comprises a grid and indicia relating to an exhibitor. | 12-04-2008 |
20090033886 | IMAGE PROJECTION SYSTEM FOR USE WITH A LIGHT POST - There is provided an image projection system for use with a light post disposed adjacent a thoroughfare. The image projection system includes a projection device configured to project an image for observation by a viewer on the thoroughfare. A projection device support member is connected to the projection device and is also connectable to the light post. The image projection system also includes a display screen moveable between a deployed configuration and a stowed configuration. The display screen is disposed for observation by the viewer and in optical communication with the projection device to display the image projected by the projection device when in the deployed configuration. The display screen is withdrawn from view by the viewer when the display screen is in the stowed configuration. A display screen support member is connected to the display screen and is also connectable to the light post. | 02-05-2009 |
20090040477 | LASER MODULE, ILLUMINATION DEVICE, AND PROJECTION DISPLAY DEVICE - Disclosed is a light source module including a first light emission unit having a first laser light source, and a first cooling part on which the first laser light source is mounted; a second light emission unit having a second laser light source, and a second cooling part on which the second laser light source is mounted; and an insulating member provided between the first light emission unit and the second light emission unit. The first light emission unit and the second light emission unit are constructed in such a manner that the first laser light source and the second laser light source are disposed close to each other, and the first cooling part and the second cooling part are disposed away from each other. | 02-12-2009 |
20090046258 | VIDEO DISPLAY SYSTEM WITH AN OSCILLATING PROJECTOR SCREEN - An apparatus for displaying images from a video projector. The apparatus includes a virtual projector screen assembly with an elongate screen element, such as a rod, that is mounted at one end to a base. The base is adapted for pivoting about its axis, arid a driver mechanism pivots the, base at high frequencies. During operation, the screen element oscillates between two edge positions with images projected from the projector being displayed on a side of the screen element facing or proximate to the projector. The two edge positions can be thought of as intersecting at the base and define a sweep angle (e.g., the angular difference between the two outer travel points of the screen element that is typically less than about 90 degrees). The driver may include a motor with an oscillating output shaft that pivots the base such as with a belt attached to the base. | 02-19-2009 |
20090046259 | METHOD TO REDUCE RF NOISE GENERATION AND REQUIRED PEAK LASER OUTPUT IN RASTER SCAN PORTABLE PROJECTORS - A method and apparatus that projects a two-dimensional image is disclosed. The method may include emitting a laser beam, sweeping the laser beam with a first scan mirror along a first scan direction to form a scan line on the projection surface, and sweeping the scan line with a second scan mirror along a second scan direction generally orthogonal to the first scan direction to form a raster pattern of scan lines on the projection surface. The scanner for the first scan mirror is driven with a stimulus waveform, wherein the stimulus waveform has a fundamental frequency that is substantially equal to the resonance frequency of the scanner but also contains harmonics to achieve a nearly constant velocity of the laser beam spot during its scan across the projection surface. The stimulus thereby reduces peak laser output power and corresponding noise generation while maintaining image brightness and image quality. | 02-19-2009 |
20090073393 | PROJECTOR AND PROJECTION CONTROL METHOD OF THE PROJECTOR - A projector control system includes a location measurement unit which measures location information of a projector; a projection information unit which generates projection information using the location information; a communication unit which transmits the projection information to the projector; and an image control unit which controls the projector to project an image according to the projection information. | 03-19-2009 |
20090168029 | LIGHTING UNIT AND PROJECTION DISPLAY APPARATUS - A lighting unit includes: a light source unit | 07-02-2009 |
20090180082 | Arrays of LEDS/Laser Diodes for Large Screen Projection Displays - In one embodiment, a system is provided. The system includes an array of a first plurality of narrowband light sources. The system also includes a first beam collecting component arranged to receive light from the first plurality of narrowband light sources and arranged to output light including light from each light source of the first plurality of narrowband light sources. In one embodiment, the light sources are laser diodes. In another embodiment, the light sources are light emitting diodes (LEDs). | 07-16-2009 |
20110069285 | ILLUMINATION APPARATUS AND PROJECTION DISPLAY APPARATUS - An illumination apparatus includes; a first solid-state light source, a second solid-state light source, a first arrangement member provided with a first arrangement surface, a second arrangement member provided with a second arrangement surface, an optical unit configured to reduce a dispersion angle of a light beam. The first solid-state light source emits a light beam having a first directivity. The second solid-state light source emits a light beam having a second directivity greater than the first directivity. A distance from the second arrangement surface to the second light-entering surface is longer than a distance from the first arrangement surface to the first light-entering surface. | 03-24-2011 |
20110141442 | PROJECTION SYSTEM WITH IMAGING LIGHT SOURCE MODULE - An imaging light source module that includes a plurality of light guides, a plurality of light emitting sources, and an intermediate image surface is disclosed. Each of the plurality of light guides has an entrance face, an exit face, and at least one side wall, and all of the light guides are capable of delivering light along associated light distribution axes intersecting a common reference point. Each of the plurality of light emitting sources delivers light only to a single light guide of the plurality of light guides. The intermediate image surface comprises a plurality of pixels, where each pixel receives light from the exit face of a single associated light guide of the plurality of light guides. | 06-16-2011 |
20110170074 | SYSTEM FOR PROVIDING AN ENHANCED IMMERSIVE DISPLAY ENVIRONMENT - An immersive dome includes a number of novel features designed to enhance the performance of the immersive dome over presently-known immersive dome environments. Projectors are mounted in a multi-tier tower, out of sight beneath a viewing platform positioned to provide optimal wrap-around viewing. The projection surface consists of open-cell foam that allows passage of behind-surface sound into the dome while allowing unwanted ambient noise within the dome to escape. A visually-reflective coating, in conjunction with the open cell structure, provides a textured surface that acts as a micro-baffle and suppresses cross-reflection of projected imagery. | 07-14-2011 |
20110199589 | ANTENNA DEVICE - An antenna device for connection to a calculation device, having a projection device for generating a virtual image. | 08-18-2011 |
20110222025 | ILLUMINATION OPTICAL DEVICE AND PROJECTION DISPLAY DEVICE USING THE ILLUMINATION OPTICAL DEVICE - A light guiding section guides, to a light incident surface of a rod integrator, a portion of light beams incident on a first light incident surface, and emits another portion of the light beams from a second light incident surface. The light guiding section guides, to the light incident surface of the rod integrator, a portion of light beams incident on the second light incident surface, and emits another portion of the light beams from the first light incident surface. A first light converging section converges light beams which are emitted from the first light incident surface such that a converged light is incident on the first light incident surface. A second light converging section converges light beams which are emitted from the second light incident surface such that a converged light is incident on the second light incident surface. | 09-15-2011 |
20120154766 | PROJECTION SYSTEM - A projection system is characterized by: a first light source unit and a second light source unit selectively driven in response to operation mode; a light transmitting unit transmitting light emitted from the first light source unit or the second light source unit in the form of surface light; an image generator generating an image in response to an image signal using the light transmitted from the light transmitting unit; and a projection lens system projecting the image by enlarging the image generated by the image generator and projecting the enlarged image. | 06-21-2012 |
20130038845 | OPTICAL PROJECTION SYSTEM AND LENS POSITION ADJUSTMENT MECHANISM THEREOF - An optical projection system and a lens position adjustment mechanism thereof are provided. The lens position adjustment mechanism includes a fixed cover, a lens mount, a force-exertion element, and a movable element. A pivot part of the lens mount is inserted into a pivot hole of the fixed cover so as to allow the lens mount to pivot on the fixed cover. The force-exertion element is disposed on the pivot part of the lens mount, and two ends of the force-exertion element are respectively connected to a fixed pillar of the fixed cover and a fixed part of the lens mount to force the lens mount to rotate along a first rotation direction. The movable element pushes a block part of the lens mount to force the lens mount to rotate along a second rotation direction opposite the first rotation direction. | 02-14-2013 |
20130258298 | LED image projection apparatus - A light emitting diode image projection apparatus, comprising a light emitting diode as a light source, a transparent optical grade LED body, having a pattern layer and having an exterior epoxy layer formed about said LED body. The distal end of the LED body is a substantially flat-curved surface (while not being totally flat), while the transparent encapsulating epoxy layer is a sharp-curved, convex surface. This configuration of effective lens structures provides a double encapsulation such that structurally, the effects of the light reflection and the image projection are the same as those of the LED with external plastic outside shells, but the instant invention greatly reduces cost over the former. | 10-03-2013 |
20130321780 | ILLUMINATION UNIT, PROJECTION DISPLAY UNIT, AND DIRECT-VIEW DISPLAY UNIT - An illumination unit includes: light sources each including a solid-state light-emitting device, the solid-state light-emitting device emitting light from a light emission region thereof, the light emission region including a plurality of light-emitting spots arranged along a predetermined direction; and an optical member, in which the optical member includes coupling lenses, the solid-state light-emitting device includes a single chip or a plurality of chips, the single chip or the plurality of chips in the solid-state light-emitting device having the plurality of light-emitting spots each include a laser diode, and a first coupling lens of the coupling lenses has a smaller lens effect along the predetermined direction than a lens effect along a direction orthogonal to the predetermined direction in the light emission region, the first coupling lens on which laser light emitted from the solid-state light-emitting device having the plurality of light-emitting spots is incident. | 12-05-2013 |
20130321781 | PROJECTOR AND CONTROL METHOD FOR THE PROJECTOR - A projector that performs projection in cooperation with another projector, the projector including a determining unit configured to determine an operation state of the other projector and a control unit configured to control the projector to shift to, when the determining unit determines that the operation state of the other projector is not a normal operation state, a limited operation mode for limiting execution of at least a part of functions. | 12-05-2013 |
20130321782 | PROJECTOR AND CONTROL METHOD USED FOR THE SAME - A projector includes a shift unit configured to move a projection position of an image, a black adjustment unit configured to make luminance of black in a non-overlapping region, in which an image projected by the projector and an image projected by another projector do not overlap on the projection surface, higher than that in an overlapping region, in which the image projected by the projector and the image projected by the other projector overlap on the projection surface, in such a way as to uniform the luminance of black between the non-overlapping region and the overlapping region, and a control unit configured to move a boundary position in the image between a region where the luminance is adjusted by the black adjustment unit and a region where the luminance is not adjusted, by an amount where the projection position is moved by the shift unit. | 12-05-2013 |
20140016107 | PORTABLE MULTIMEDIA DISPLAY - Technologies are generally described that relate to imaging and viewing systems, device and methods that can facilitate private viewing of images (e.g., from streaming video). A projection display device can scramble display images such that the display images are viewable by viewers using specialized devices (e.g., eyewear) that can descramble and/or decode the projected display images. The devices may include optical elements that can be modulated to descramble the images and display the images for the viewer. Some devices may also include digital cameras that electronically capture the scrambled images and unscramble the images. Various example devices may include stereoscopic cameras to enable the viewer to see a 3-dimensional image. The images may also be transmitted wirelessly to the devices to enable the viewer to see the multimedia display while on the move and/or shared with other viewers, with limited discomfort resulting from motion. | 01-16-2014 |
20140036242 | OPTICAL SCANNING APPARATUS AND OPTICAL SCANNING IMAGE PROJECTION APPARATUS - An optical scanning apparatus is configured to use a composite laser light source element provided with a plurality of semiconductor laser light sources in a single housing and thereby align both the irradiation position and the light flux parallel characteristics of respective laser light fluxes emitted from respective semiconductor laser light sources in the light source element. A light flux synthesis apparatus is used that includes two reflective mirrors inclined at 45 degrees relative to the optical axis of the respective incident light fluxes, and mutually inclined by a predetermined minute relative angle φ. The parallel characteristics of the respective laser light fluxes are aligned by the angle φ imparted to the reflective mirrors, and the irradiation position of the respective laser light fluxes is aligned by imparting predetermined wavelength-selectable characteristics or polarization selectable characteristics in relation to the deflection mirror to reflective surface of the reflective mirror. | 02-06-2014 |
20140218698 | PROJECTION APPARATUS - A projection apparatus including a light source module and a Micro-electro-mechanical-system (MEMS) mirror is provided. The light source module outputs a plurality of illumination beams having different transmission paths. The MEMS minor is disposed on the transmission paths of the illumination beams. Each illumination beam propagates to the MEMS mirror respectively, and the illumination beams are respectively reflected by the MEMS mirror to project on a plurality of positions within an imaging region, wherein the transmission paths of the illumination beams transmitted from the light source to the MEMS mirror are not intersected with the imaging region. | 08-07-2014 |
20140247433 | DEVICE FOR PROJECTING AN IMAGE INTO A DISPLAY AREA, HAVING A SCREEN FOR DISPLAYING AN INTERMEDIATE IMAGE | 09-04-2014 |
20140320828 | PERFORMANCE SYSTEM WITH MULTI-PROJECTION ENVIRONMENT - The present invention provides a performance system with a multi-projection environment including a stage installed for a performance and a plurality of projection surfaces arranged around the stage and arranged so as not to be parallel to each other, in which synchronized images are projected on the plurality of projection surfaces. | 10-30-2014 |
20140354963 | MULTI-PROJECTION SYSTEM - The present invention provides a multi-projection system including a plurality of projection surfaces, on which images are projected, which are arranged to surround an auditorium, and the plurality of projection surfaces comprise different types of projection surfaces. According to the present invention, it is possible to provide an audience with an image with high three-dimensional effect and immersion and provide images of multiple viewpoints such that the audience can feel as if they are in a space created by the images. | 12-04-2014 |
20150055101 | GUIDE IMAGE GENERATION DEVICE AND METHOD USING PARAMETERS - The present invention provides a guide image generation device including a database unit which stores parameters representing the structure of a multi-projection theater and a guide image generation unit which generates a guide image that will be used in an image correction process of the multi-projection theater using the parameters stored in the database unit. | 02-26-2015 |
20180024423 | PROJECTION SYSTEM, PROJECTOR APPARATUS, IMAGING APPARATUS, AND PROJECTION METHOD | 01-25-2018 |
20190149783 | PROJECTION APPARATUS FOR MULTI-PROJECTION, COMMUNICATION APPARATUS, CONTROL METHODS THEREOF, STORAGE MEDIUM, AND PROJECTION SYSTEM | 05-16-2019 |
20220141430 | METHOD AND DEVICE FOR HOMOGENIZING IMAGES OF MULTIPLE PROJECTORS - A method and device for homogenizing images of projectors is provided, and includes: projecting a first test pattern on respective projection images of projectors, projection images between a first and a second projectors among the projectors having an overlapping area, and the first test pattern having grid lines; selecting, in the grid lines of the first test pattern on the projection image of the first projector, an inner and an outer boundaries of the overlapping area of the first projector; selecting, in the grid lines of the first test pattern on the projection image of the second projector, an inner and an outer boundaries of the overlapping area of the second projector; gradually reducing a brightness from the inner to the outer boundaries of the overlapping area of the first projector; gradually reducing a brightness from the inner to the outer boundaries of the overlapping area of the second projector. | 05-05-2022 |