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| Number | Title | Issue Date |
| 8174626 | Apparatus and method for correcting images displayed by a plurality of image apparatus 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 cor... | 05/08/2012 |
| 8144264 | Image processor, image display device, image processing method, image display method, and program An image processor that corrects image signals corresponding to sub-pixels which form one pixel includes: a shift amount storage section that stores shift amounts of display positions of display sub-pixels corresponding to the sub-pixels which form a display pixel w... | 03/27/2012 |
| 8139167 | Projection display apparatus which enables a selected image inverting process to be performed to facilitate registration adjustment 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... | 03/20/2012 |
| 8107018 | Apparatus and method for providing image-correction function in projector Provided is an apparatus and method for providing image-correction function in a projector. The apparatus includes an image-inputting module which receives a photographed image of a surface on which an image is to be projected; an image-analyzing module which analyz... | 01/31/2012 |
| 8089567 | Methods and systems for displaying video on an adjustable screen The dimensions of a viewing screen are altered to fit the aspect ratio of video being displayed on the viewing screen. A viewing screen includes screen covers which may be displaced horizontally along the viewing screen. If a different aspect ratio video is being di... | 01/03/2012 |
| 8040441 | Projector and adjustment method of the same A display apparatus for displaying color images on a screen by projecting each-color image beams modulated with a display device includes a memory storing correction data exhibiting a registration deviation amount on the screen; a displacement calculating unit calcu... | 10/18/2011 |
| 8031271 | Calibrating a projection system A method of calibrating a projection system is disclosed. The method includes determining a location of at least one hotspot on a screen within the projection system, initiating a calibration sequence of the projection system and ignoring the at least one hotspot du... | 10/04/2011 |
| 7876384 | Rear 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... | 01/25/2011 |
| 7787062 | Rear projection display and circuit and method for adjusting image thereof A circuit for adjusting image is adapted for rear projection display. The circuit for adjusting image includes a parameter input unit, a data buffer unit, and a geometry transfer unit. The parameter input unit is used to provide a vertical and a horizontal axis amen... | 08/31/2010 |
| 7755706 | Method for correcting for distortion of projected image, program for correcting image distortion, and projection-type image display device An image distortion correction method is provided which is capable of correcting for distortion of a projected image by designating an arbitrary correction point by using a simple and easy operation without independently providing a display device and/or a pointing ... | 07/13/2010 |
| 7733429 | Automatic convergence for image projection systems Systems and methods are provided that facilitate automatic convergence and geometry alignment in projection systems. Preferably, an optical element such as a lens array is coupled to all areas of the projection system's screen and to a detector element such as a pho... | 06/08/2010 |
| 7583325 | Projection systems and processes for generating images with increased brightness uniformity Apparatuses and processes for generating images having increased brightness uniformity are disclosed herein. ... | 09/01/2009 |
| 7499112 | Method and apparatus for image correction Present embodiments are directed to a system and method for correcting video image distortion in a video system. An exemplary embodiment includes steps or features for retrieving baseline measurements for set portions of a display area, wherein the baseline measurem... | 03/03/2009 |
| 7474361 | Display apparatus and display method A display apparatus includes a plurality of optical modulators that display monochromatic images, respectively, an optical system that synthesizes the monochromatic images into a color image, a luminance non-uniformity correction unit that adjusts a correction coeff... | 01/06/2009 |
| 7460185 | Method and apparatus for automatically correcting image misalignment arising in a rear-projection LCD television display A method and apparatus for projecting an image is provided. The apparatus includes a projector operable to receive a signal representative of an image and to generate light representative of the image. A lens assembly is provided for receiving from the projector the... | 12/02/2008 |
| 7456908 | Method of performing convergence calibration for a display A convergence calibration method for a display includes generating a test pattern of similar width with respect to a sensor and expanding the area of the test pattern from one side of the sensor until the whole sensor is illuminated. During the process of expanding ... | 11/25/2008 |
| 7441906 | Keystone correction system and method We describe a keystone correction system and method. A vertical scalar vertically scales an input image and stores the results to a line buffer. A horizontal scalar retrieves the stored results from the line buffer and horizontally scales the stored results using th... | 10/28/2008 |
| 7434937 | Methods and systems for calibrating rear projection video A video system includes a video projector located in a housing a display screen disposed adjacent to the housing, wherein the display screen is capable of being tilted to expose the video projector, logic for generating a test image to display on the tilted display ... | 10/14/2008 |
| 7419268 | Image processing system, projector, and image processing method A projector includes a calibration image information generation section, an image projection section which projects a calibration image, a sensing section which senses a region including the projected calibration image and a projection target through a sensing plane... | 09/02/2008 |
| 7420591 | Optical detector of projection television An optical detector is provided. The optical detector allows an auto-convergence control to be effectively made by cutting off external light incident to an optical sensor for use in the auto-convergence of a projection TV. The optical detector includes optical sens... | 09/02/2008 |
| 7410260 | Use of a CCD camera in a projector platform for smart screen capability and other enhancements An optical projection and capture system includes an image sensor integrated with an optical projection device. Additionally, the integrated device may be coupled with a laser pointer to deliver interactive presentations. The laser pointer may be pulsed to improve i... | 08/12/2008 |
| 7408595 | Method and apparatus for image correction The disclosed embodiments relate to a system and method for correcting a video image. In an exemplary embodiment, an image processing unit (21) comprises an image offset generator (56) configured to calculate a baseline measurement for a first display ... | 08/05/2008 |
| 7401929 | Projector and image correction method A projector displays an image on a projection surface. The projector has a zoom adjusting module and a keystone correcting module. The zoom adjusting module adjusts zoom level of a zoom lens for enlarged projection of image light. The keystone correcting module corr... | 07/22/2008 |
| 7396135 | Display apparatus and image information generating method adapted to display apparatus Aspects of the invention can provide a display apparatus that displays one image plane using plural projection type image display devices. The plural projection type image display devices that together form the display apparatus can be disposed in such a manner that... | 07/08/2008 |
| 7379124 | Center convergence optimization in a projection display apparatus Progressive rounding error and convergence error encountered due to multiple use of a center correction adjustment of an image of a video projection display is reduced by calculating a 3×3 matrix for a moved color signal where the non center matrix values represent... | 05/27/2008 |
| 7374291 | Projection optical system and image display apparatus using same An image display apparatus is provided, which includes a first image display element corresponding to a first color light, a second display element corresponding to a second color light different from the first color light, and a projection optical system having at ... | 05/20/2008 |
| 7370976 | Projection type image display device The device has flexure correcting means for operating to rotate a first eccentric cam provided at a central part of a first side of a reflecting mirror, thereby moving up and down the central part of the first side to correct the flexure of the reflecting mirror, to... | 05/13/2008 |
| 7370980 | Projection type video display At the time of manual adjustment, a motor driving signal corresponding to a user's key operation is fed to a focusing motor from a microcomputer through a switch. At the time of automatic adjustment, the switch selects a motor driving signal from a sensor and feeds ... | 05/13/2008 |
| 7367681 | Method and device for combining images from at least two light projectors Method and device for combining images from at least two light projectors, the images having a transition zone between them, wherein the dimensions of the transition zone is known, and the emitted light toward the transition zone from each projector is based on a pr... | 05/06/2008 |
| 7369144 | Method and device for correcting the rotation of a video display A method for displaying a video image on a display screen by a scanning of the display screen along lines inclined by a first angle with respect to a reference direction by at least one electron beam modulated by a modulation signal. The method includes the steps of... | 05/06/2008 |
| 7364304 | Projector control To automatically adjust the quality of a projection image commensurate with the performance in-time deterioration and aging of projector component parts in an image projection system, each projector detects an integrated service time of its own light-source lamp and... | 04/29/2008 |
| 7362385 | Image conversion device image conversion method and image projection device An image processing apparatus for reducing a load of processing of an interpolation operation at the time of a correction of keystone distorted image is provided. The image processing apparatus has an interpolating unit (11, 12) for receiving as input origina... | 04/22/2008 |
| 7357517 | Projector, method of controlling the projector, program for controlling the projector, and recording medium storing the program A projector includes an image capture device that captures an image in a capture region larger than a projection region of a projection image; an image determining unit that compares and determines the projection image projected by the corresponding projector with a... | 04/15/2008 |
| 7359575 | Dynamic warp map generation system and method Dynamic warp map generation system and corresponding method are disclosed. A compactor obtains spatial transformation parameters along with geometric and optical distortion parameters and combines them to form hybrid grid data in a hybrid vector space. This vector s... | 04/15/2008 |
| 7356056 | Coherent light source and control method thereof, and display unit and laser display using them In a display device that displays a video by scanning coherent light across a screen, modulation at high speeds and gradation are necessary for a coherent light source. An oscillation wavelength of a semiconductor laser outputting the fundamental wave is chan... | 04/08/2008 |
| 7355612 | Displaying spatially offset sub-frames with a display device having a set of defective display pixels A method of displaying an image with a display device having a set of defective display pixels 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 s... | 04/08/2008 |
| 7354160 | Projector with adjustable image offset A projector includes illumination optics for providing light beams, a light modulating apparatus for receiving and modulating the light beams provided by the illumination optics, a projection lens for projecting an image of the light beams received from the light mo... | 04/08/2008 |
| 7352913 | System and method for correcting multiple axis displacement distortion A system and method for correcting distortion in projected images caused by the projection of an input image by a projector lens onto a projection screen having a surface that is not orthogonal to the projection axis of the projector. Projection parameters including... | 04/01/2008 |
| 7347566 | Projection lens unit and rear projection type image display system An inexpensive projection lens unit in a rear projection type image display system, having a short focal distance (wide angle of viewing field), high focus and high contrast, and as well, including a power lens made of a glass material having a high refractive index... | 03/25/2008 |
| 7342572 | System and method for transforming an ordinary computer monitor into a touch screen A system and method for turning a regular computer monitor screen into a touch screen using an ordinary camera. It includes an image-screen mapping procedure to correct for the non-flatness of the computer screen. It also includes a segmentation method to distinguis... | 03/11/2008 |
