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| Number | Title | Issue Date |
| 7217055 | Slide projection book A video slide projection book is shown. The video slide projection book has a front cover and a back cover connected to the front cover at a binding. A plurality of pages are interposed between the front cover and the back cover and are connected to the binding. The... | 05/15/2007 |
| 7213930 | Polarized projection display A projection display system includes (1) a transparent screen, (2) a polarizer on the transparent screen, (3) a retarder plate on a first side of the transparent screen, (4) a mirror on the first side of the transparent screen, and (5) a projector for projecting an ... | 05/08/2007 |
| 7213937 | Backlight module A backlight module. The backlight module comprises a housing, a light source disposed on the housing, a diffuser positioned over the light source and a spacer disposed between the housing and the diffuser to maintain a distance therebetween. The spacer comprises a s... | 05/08/2007 |
| 7213926 | Image projection system and method In an embodiment, an apparatus includes a projection subsystem to project an image-containing beam, and an image adjustment element. The image adjustment element is to cause adjustment of the image-containing beam in response to a detection of relative movement of t... | 05/08/2007 |
| 7213929 | Illumination apparatus and image projection apparatus An illumination apparatus illuminating an objective illumination region comprises a plurality of illuminants having light-emitting surfaces radiating diffused light, an illuminant substrate in which the illuminants are disposed so as to be set in array on the circum... | 05/08/2007 |
| 7210786 | Projection display device The projection display device stores, in a frame memory, a shot image of a test pattern for cases where the obstacle is not represented in the region of the projection; compares, at a comparison unit, a shot image of the test pattern for the case where the obstacle ... | 05/01/2007 |
| 7210791 | System and method for projector external hazard proximity protection A proximity sensor disposed in an information handling system projector detects external hazards to the operation of the projector to allow corrective action that addresses the hazard. For instance, an RF, IR or reflective sensor located proximate the projector lens... | 05/01/2007 |
| 7210798 | Image projection lighting device and control system The methods and apparatus for lighting systems provide a camera integral to a particular image projection lighting device (IPLD) to capture the projected image from the particular IPLD. The captured image can then be sent over a communication system to the operator ... | 05/01/2007 |
| 7209225 | Inclination angle detection device and inclination angle detection method Each of a horizontal chart generating unit and a vertical chart generating unit generate eight charts #0 to #7, the bright/dark sections being placed sequentially in equal distances. Each pattern of each charts #0 to #7, is shifted little... | 04/24/2007 |
| 7209624 | Apparatus and method for illumination of light valves In an illumination system the radiation from one or more laser arrays is directed into a light pipe. The light pipe mixes the individual radiation contributions from the laser arrays and forms a uniform illumination line. The pointing direction of each of the laser ... | 04/24/2007 |
| 7206044 | Display and solar cell device Displays such as liquid crystal displays (10), organic light emitting diode displays, and touch sensitive displays (41) are stacked with one or more solar cells (15) such that light passing through the displays will illuminate the light receivin... | 04/17/2007 |
| 7204597 | Outer suspension type lens shielding mask for projection apparatus An outer suspension type lens shielding mask for a projection apparatus including a sheet body and holding element, in which a rectangular hole is opened in the sheet body, and the sheet body is combined with the holding element to be fixed on a projection apparatus... | 04/17/2007 |
| 7205729 | Control system and method for controlling lighting and video devices A control system for lighting and video devices, wherein said control system includes at least one video device; at least one lighting device; and a software protocol, capable of communicating three different protocols, such as a digital video/data protocol, a commo... | 04/17/2007 |
| 7202838 | Viewing device A viewing device and method are provided for use with an image transparency having an associated tracking memory. The viewing device has a display adapted to present at least two illumination patterns, a reader device for obtaining data stored in a tracking memory o... | 04/10/2007 |
| 7201483 | Apparatus and method for providing both day and night vision simulations An apparatus for providing both day vision simulations and night vision simulations includes a projector that seamlessly provides both night and daytime training modes. The projector includes two independent light sources, with an embedded night vision filter affixe... | 04/10/2007 |
| 7201484 | Projector with foreign matter detecting means A projector has an image generating device for generating an image, and a housing, having the image generating device disposed therein and having an opening defined therein for emitting therethrough projection light representing the image from the image generating d... | 04/10/2007 |
| 7198372 | Dual display A dual display system includes a graphic article providing a first display in a first lighting condition (such as daylight) and a projection system providing a second display in a second lighting condition (such as nighttime). In an exemplary embodiment, the graphic... | 04/03/2007 |
| 7199909 | Scanner projection system A stand alone flat bed scanner including a CPU, a removable storage medium, a control system displaying digital image and controls for controlling the mode of operation, degree of resolution, related parameters associated with generating, storing and displaying digi... | 04/03/2007 |
| 7200536 | Simulator A vehicle simulator comprising: (i) a real-world vehicle (1) whose controls and instruments are dual-mode such that they can be switched between normal operation and simulated operation; (ii) a retro-reflect... | 04/03/2007 |
| 7195358 | Rear projection type image display device The present invention relates to a rear projection type image display device comprising projection lenses (2, 3) for projecting an image displayed on an image display element onto a transmission type screen (6) on a larger scale, an optical path turn-b... | 03/27/2007 |
| 7196741 | Automatic image convergence for projection television systems Systems and methods that facilitate automatic convergence and geometry alignment in projection systems such as a PTV. The automatic convergence system (ACS) preferably includes a CCD camera mounted inside the PTV and focused on the entire inside of a projection scre... | 03/27/2007 |
| 7193777 | Projection screen and projection system comprising the same A projection screen including a polarized-light selective reflection layer having a cholesteric liquid crystalline structure that causes selective diffuse-reflection of a specific polarized-light component, and a substrate for supporting the polarized-light selectiv... | 03/20/2007 |
| 7193243 | LED surface light source and projection system using the same An LED surface light source is provided. The LED surface light source includes: an upper plate having a light emitting part for emitting an LED light and a reflector; a plurality of LEDs regularly arranged in horizontal and vertical directions; and a lower plate on ... | 03/20/2007 |
| 7192142 | Wall hanging apparatus for projection apparatus A wall hanging apparatus for a projection apparatus comprises a fixing seat installed at the lower surface of the projection apparatus, supporting arm whose lower end is fixed on the surface of the fixing seat and reflection mirror fixed at the upper end of the supp... | 03/20/2007 |
| 7188958 | Projection arrangement and electronic customer device A projector arrangement (1) is proposed wherein a first, back or illumination part (10) and a second, front or image projection part (20) are detachably attachable with respect to each other so as to form a unit at least in an operation mode of ... | 03/13/2007 |
| 7185987 | Projector and projector accessory A projector for enlarging and projecting the display image on a light valve onto a screen is provided with: an infrared photodetector for photodetecting infrared light that is emitted by an electronic pen that is manipulated on the screen and that is provided with a... | 03/06/2007 |
| 7187505 | Imaging lens for infrared cameras An infrared imaging device is provided which comprises first and second plastic Fresnel lenses that are in optical communication with each other. Each of the first and second lenses have a first major surface which is convex and a second major surface which comprise... | 03/06/2007 |
| 7182471 | Projection type display apparatus A projection type display apparatus comprises a rod type integrator 6 having a solid rod structure, in which light being emitted from a lamp and entering an entrance face 6a, as a focal plane, at one end of the solid rod is guided by being inter... | 02/27/2007 |
| 7184219 | Projection lens system and projector A projection lens system that is suited to a compact, wide-angle lens system. The projection lens system projects projection light from a light modulator onto a screen, wherein the projection lens system is constructed, in order from a screen side thereof, of a firs... | 02/27/2007 |
| 7182462 | System and method for updating an image display device from a remote location In a computing device, a method of updating over a network a set of executable instructions stored on an image-rendering device is disclosed, wherein the image-rendering device is operably associated with a projection device. The method includes detecting a version ... | 02/27/2007 |
| 7182463 | Pixel-shifting projection lens assembly to provide optical interlacing for increased addressability A projection display system includes a projection lens assembly that has multiple projection lens elements that are configured to receive light imparted with display information by a pixelated display device. The projection lens elements project the light toward a d... | 02/27/2007 |
| 7180475 | Method and apparatus for wireless image transmission to a projector A method and apparatus is provided in which a digital image is transmitted to a presentation projector resource over a wireless transmission medium using a reduced amount of transmission bandwidth by transmitting a subset of the digital image data. The subset image ... | 02/20/2007 |
| 7180663 | 3D motion picture theatre When any observer receives an image of a scene having the same relative size, shape and location on the retina of each of his two eyes at any instant and the image of the scene has some component of horizontal motion in any direction, the image viewed is three dimen... | 02/20/2007 |
| 7178923 | Illumination apparatus and image projection apparatus An illumination apparatus illuminating an objective illumination region comprises a plurality of illuminants having light-emitting surfaces radiating diffused light, an illuminant substrate in which the illuminants are disposed so as to be set in array on the circum... | 02/20/2007 |
| 7175287 | Wide angle projection lens A projection display device is provided. The projection display device may include an image generation device configured to generate an image and a wide angle lens system having an optical axis configured to receive the image and project the image along an optical p... | 02/13/2007 |
| 7176881 | Presentation system, material presenting device, and photographing device for presentation A presentation system comprises a display for setting a virtual screen, a pointing mark for operating a point on the display, a photographing device for photographing the pointing mark and the display, a displaying device for displaying a predetermined image or the ... | 02/13/2007 |
| 7175285 | Projection system that adjusts for keystoning A system for adjusting keystoning in a projector may include sensing using an imaging device at least two boundaries defining a projection screen and determining a transformation to adjust the keystoning of an image projected from the projector. The image may be mod... | 02/13/2007 |
| 7177081 | High contrast grating light valve type device A grating light valve has with a plurality of spaced reflective ribbons are spatially arranged over a substrate with reflective surfaces. The grating light valve is configured to optimized the conditions for constructive and destructive interference with an incident... | 02/13/2007 |
| 7175281 | Method and apparatus to increase the contrast ratio of the image produced by a LCoS based light engine A transmissive LCD is placed in optical series with pixels of an image. The transmissive LCD is set to full transmissivity when bright pixels of the image pass through the transmissive LCD. Transmissivity is decreased where pixels darker than a darkening threshold p... | 02/13/2007 |
| 7177235 | Timer with selectable alert modes A multi mode alert timer having a timer display, switches for start stop and reset functions and audible, visible, and tactile alert signal selection and a housing where a user may select a timer alert signal including the individual alert signals or any combination... | 02/13/2007 |
