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| Number | Title | Issue Date |
| 7407295 | Projection of overlapping sub-frames onto a surface using light sources with different spectral distributions A method of displaying an image with a display system includes receiving image data for the image. The method includes generating a first sub-frame and a second sub-frame corresponding to the image data. The method includes projecting the first sub-frame onto a targ... | 08/05/2008 |
| 7334901 | Low profile, large screen display using a rear projection array system Low-profile, large screen display using a rear projection array system using an array of micro projectors, each comprised of a micro-display device, several optical components, a red/green/blue light emitting diode light source, a light sensor for each color and pow... | 02/26/2008 |
| 7305525 | Memory system for network broadcasting applications and method for operating the same A memory system for network broadcasting applications, such as video/audio applications, has at least one memory which is divided into a plurality of addressable memory units, which have a respective dedicated output for interchanging data. The inputs of a matrix sw... | 12/04/2007 |
| 7289683 | System and method for scintillation suppression in intensified digital video A method for scintillation suppression of video images includes receiving a frame of pixels having intensity values and identifying pixels in the received frame having scintillation noise. The method modifies intensity values of pixels in the received frame, which a... | 10/30/2007 |
| 7204613 | Projection display device A projection type display apparatus is composed of a light source (101), an illumination optical system (102) for forming illumination light, a reflection type light valve (106) for reflecting the illumination light to form an optical image, a p... | 04/17/2007 |
| 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 |
| 7184053 | Method for processing video data for a display device The invention is related to a new kind of pre-processing for plasma display panel control. The plasma display technology has the drawback of a reduced grey scale portrayal. This is due to the fact that contrarily to CRTs where luminance is approximately quadratic to... | 02/27/2007 |
| 7134757 | Projection type display apparatus, rear projection, and multi-vision system The present invention provides a small projection type display apparatus capable of suppressing an optical path of incident light and an optical path of output light in a reflection type light valve from being overlapped with each other and obtaining a projected ima... | 11/14/2006 |
| 7059726 | Projection apparatus with light source to output light into an integrating tunnel through a first and a second medium A projection apparatus that includes a light source optically coupled to an integrating tunnel to output light into the integrating tunnel through a first and a second medium from a direction nonparallel to the output direction of the integrating tunnel. The first a... | 06/13/2006 |
| 7023457 | System and method for intensity control of a pixel An LCOS chip may have a pixel divided into an outer subpixel and an inner subpixel. A driver may independently drive the subpixels. The driving technique may be pulse-width modulation. Because of the pixel is divided into subpixels, pulses of short widths that drive... | 04/04/2006 |
| 7006113 | Display apparatus with pixels arranged in matrix A display apparatus includes pixels arranged in matrix; a pixel electrode disposed inside each of the pixels; a display device disposed inside each of the pixels, for executing display in accordance with a voltage of the pixel electrode; a scanning line driving circ... | 02/28/2006 |
| 6966658 | Projection type display apparatus rear projection and multi-vision system A small projection display apparatus which suppresses optical paths of incident and output light in a reflection valve from overlapping; and a rear projector and a multi-vision system using the same. The projection display apparatus includes an illumination optical ... | 11/22/2005 |
| 6637887 | Multi-display device A multi-display device synthesizes partial images, by using multiple projectors to construct one image. Each projector has an illumination device, a lattice-like lens array, a display, and a projection lens. The illumination device and lattice-like lens a... | 10/28/2003 |
| 6417833 | Liquid crystal display apparatus and method for lighting backlight thereof In the liquid crystal display, a first backlight and a second backlight are provided and lightened simultaneously. Among all the lamps constituting the backlight, those lamps outputting oscillation waves in one phase are made equal or nearly equal in numb... | 07/09/2002 |
| 4951147 | Digital image acquisition system A method and device utilizing a dynamic random access memory (RAM) image sensor which has a transparent window through which a lens can focus an image on an array of radiation sensitive cells of the dynamic RAM. The cells of the dynamic RAM are set to a f... | 08/21/1990 |
| 4894645 | Incandescent matrix display with high frequency lamp driving The present invention relates to an electronic sign with a number of light bulbs provided in rows and columns (so called matrix), whereby said bulbs (L) are turned on row by row or column by column (so called multiplex operation). For increasing the life ... | 01/16/1990 |
| 4820956 | Light matrix display system A light matrix display system and a lamp socket for use therein. The lamp socket receives a single lamp which may be easily replaced by another lamp. The lamp socket is also designed so that it may be readily replaced if necessary. A solid state switching... | 04/11/1989 |
| 4810928 | Cathode-ray tube for constituting large picture display apparatus In a CRT for constituting a display apparatus in which the fluorescent screen is composed of a large number of CRTs arranged in the matrix form, a plurality of holes for passing an electron beam are provided in an electrode for controlling the electron be... | 03/07/1989 |
| 4771278 | Modular large-size forming lamp matrix system A matrix display system including a unit made up of a plurality of modules, each module containing an array of incandescent lamps which provides a low cost assembly for displaying video images and messages. The unit also includes the necessary electronics... | 09/13/1988 |
| 4581655 | Video display apparatus In a picture image display apparatus including a large number of display elements which are lighted by digitalized level adjusted light data produced by a video signal, the digitalized level adjusted light data are corrected by the difference between a me... | 04/08/1986 |
| 4531160 | Display processor system and method A technique for reproducing an image in a set of grey scale steps is disclosed including: providing a plurality of superpixels for providing an output representative of an image; providing a set of threshold levels for each pixel in a superpixel, which se... | 07/23/1985 |
| 4323896 | High resolution video display system A high resolution video display system suitable for use in displaying large outdoor scoreboards is disclosed. Video signals are converted from analog to digital format. Portions of the signal are selected for display on the scoreboard and the selected por... | 04/06/1982 |
| 4229766 | Scanning apparatus and method for operating the apparatus Image scanning apparatus, such as an image pickup device with a photo cathode in a vacuum system or a flat display device with a thermal cathode, having at least one hole matrix for row and column control of the electron stream between its cathode and ano... | 10/21/1980 |
| 4186394 | Automatic display system and process An image display system and process are disclosed. The image display system comprises a generally flat display screen which is subdivided into a plurality of display mode modules, each display module being composed of a plurality of display elements. Each... | 01/29/1980 |
| 4148073 | High speed video display system including zoom feature A high speed video display system suitable for use in operating video scoreboard displays is disclosed. Video data for a complete frame is converted from analogue to digital format and is directly loaded into a display memory (RAM). The digitized data is ... | 04/03/1979 |
| 4134132 | Circuit arrangement for display boards having luminous elements arranged in a matrix Circuit arrangement for the shaded (gray-scale) displaying of images on display boards having individual luminous elements arranged in a matrix, wherein switching circuits of the luminous elements are connected to row and column bars, and each bar is coup... | 01/09/1979 |
| 4110792 | Mobile information display system A mobile information display system which may be transported to the site of a sports or entertainment event and then erected to provide a large screen display of video images produced by a live T-V camera so that even those members of the audience who are... | 08/29/1978 |
| 4063234 | Incandescent, flat screen, video display A memory and driver circuit for each lamp of a flat screen video display apparatus which comprises a plurality of addressable incandescent lamps arranged in an X-Y matrix is provided. The gray scale visual effect of the video information being presented c... | 12/13/1977 |
| 4009335 | Gray scale display system employing digital encoding A large display system capable of displaying a video image receives video signals, quantizes those signals to produce a digital code capable of representing variations in the light content of the image and processes the digital code so to control individu... | 02/22/1977 |
| 4006298 | Bistable matrix television display system A television display system is described in which a full resolution, interlaced scanned display of real-time images is provided on a bistable matrix display panel. The display system has a gray scale with 64 discrete levels of brightness. The brightness l... | 02/01/1977 |
| 3997719 | Bi-level display systems Bi-level display systems capable of presenting gray-scale images are adapted for brightness and contrast control by circuitry which varies the means and deviation of the threshold values assigned to the cells of the display panel.... | 12/14/1976 |
| 3967052 | Image transmission method and apparatus The gray-scale information in a scanned image is presented on a bi-level display medium illustratively using the known ordered dither technique. In particular, the image is scanned in a matrix of picture elements, each corresponding to a different cell of... | 06/29/1976 |
| 3959583 | Animated dithered display systems The random cell scintillations which have been observed in animated dithered displays are substantially eliminated by establishing a hysteresis band about the dither threshold value assigned to each display cell. The hysteresis band is delimited by upper ... | 05/25/1976 |
| 3953668 | Method and arrangement for eliminating flicker in interlaced ordered dither images The flicker which results when an ordered dither image is displayed in an interlaced-field format is eliminated by energizing each display point of the interlaced-field display to have an intensity proportional to the average intensity of a cluster of (il... | 04/27/1976 |
| 3941926 | Variable intensity display device A large display system capable of displaying a video image receives video signals, quantizes those signals to produce a digital code capable of representing variations in the light content of the image and processes the digital code so as to control indiv... | 03/02/1976 |
| 3937878 | Animated dithered display systems Dithered display systems are adapted to present animated images via a conditional replenishment technique. The only cells of the display panel which are accessed for any given frame are cells which are to have states in that frame which differ from their ... | 02/10/1976 |
