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| Number | Title | Issue Date |
| 7701518 | Methods and systems for displaying video in multiple aspect ratios Systems and methods which can shift video to the edge of the display screen. The user can electrically and mechanically roll up or down the projection screen to fit the opposite edge. Further, the electrically shifted position can be memorized in memory, which will ... | 04/20/2010 |
| 7679690 | Digital correction module for video projector A geometry correction module for a fixed pixel raster projector to project an image onto a projection surface is provided. The geometry correction module includes a receiver and a geometry corrector. The receiver collects an input pixels grid that represents an inpu... | 03/16/2010 |
| 7446822 | High-resolution image projection A lightweight, compact image projection module, especially for mounting in a housing having a light-transmissive window, is operative for causing selected pixels in a raster pattern to be illuminated to produce an image of high resolution of VGA quality in monochrom... | 11/04/2008 |
| 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 |
| 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 |
| 7347564 | Keystone correction using a part of edges of a screen The projector comprises an image forming panel that forms an effective panel image for modulating the light into an image light in an image forming area of a panel surface, and an image capturing unit for capturing a specific projection area wherein the image light ... | 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 |
| 7333130 | Apparatus and method of re-adjusting convergence of a projection TV A method and an apparatus of re-adjusting convergence of a projection TV are disclosed. The apparatus includes a display device on which an image is projected and at least one light-sensing element (101) being provided around the display device. The light-sen... | 02/19/2008 |
| 7301691 | System and method for generating images The disclosed embodiments relate to a system and method for generating images. There is provided a method comprising directing light through a projecting lens (28) at a first pixel position (60a) on a screen (32), and shifting the project... | 11/27/2007 |
| 7289113 | Projection display system with pressure sensing at screen, and computer assisted alignment implemented by applying pressure at displayed calibration marks An interactive display system comprising a touch sensitive display surface for sensing pressure applied thereto and in response generating control signals indicating locations of the applied pressure, a personal computer for receiving the control signals and in resp... | 10/30/2007 |
| 7280165 | Apparatus and method for controlling convergence of projection television An apparatus and method for controlling a convergence of a projection television includes a pattern generator which generates R, G, and B video patterns used for controlling the convergence and then outputs the R, G, and B video patterns to a display, and a controll... | 10/09/2007 |
| 7272236 | Speaker assembly for a television cabinet A speaker housing for mounting at least one speaker therein is disclosed. The speaker housing includes a speaker enclosure sealed to a speaker cover. The speaker enclosure includes an opening for sealing a connector attached to a crossover printed circuit board asse... | 09/18/2007 |
| 7260271 | Digital image data correction apparatus, digital image data correction method and digital image pickup apparatus The present invention discloses a digital image pickup apparatus. The digital image pickup apparatus reads digital image data from a main memory in a horizontal direction. The digital image pickup apparatus corrects an optical distortion component in the horizontal ... | 08/21/2007 |
| 7252387 | System and method for mechanically adjusting projector pose with six degrees of freedom for image alignment A method adjusts a pose of a projector with respect to a display surface. A homography HD,P is determined between a display surface and a projector. The homography HD,P is decomposed into rotation and translation parameters expressing a pose M | 08/07/2007 |
| 7250942 | Display apparatus and method of controlling display apparatus A display apparatus of the invention which detects an obstacle put on a display unit, and modifies a place or manner of a display to be performed, comprising the display unit having a display surface; a detecting unit for detecting a display-obstructed area on the d... | 07/31/2007 |
| 7237907 | 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... | 07/03/2007 |
| 7237903 | Video projector and method for shifting projected picture A scaler unit writes an input video signal into a frame memory and scales the number of pixels of the input video signal to any number of pixels when the input video signal is read out from the frame memory. A display device displays a picture based on the video sig... | 07/03/2007 |
| 7227593 | Apparatus for preventing auto-convergence error in projection television receiver Disclosed is a video display an auto-convergence error in a projection television receiver (TV) capable of preventing generation of an error when an auto-convergence is performed. The apparatus includes a screen for displaying an image signal, first to eighth sensin... | 06/05/2007 |
| 7227521 | Image display apparatus An image display apparatus includes a display panel configured by a matrix wired plurality of electron emitting devices. In one select period, a scanning signal is applied to a plurality of scan interconnections. In a subsequent select period, a scanning signal is a... | 06/05/2007 |
| 7204596 | Projector with tilt angle measuring device A projector having a tilt angle measurement device is provided with: a projection device for projecting an image onto a projection surface; a tilt angle measurement device for calculating the tilt angle that is formed between the axis of projection of the projection... | 04/17/2007 |
| 7201482 | Projection type display device A projection type display device includes a distortion corrector for correcting a projected image for distortions when the image is projected with a projection optical axis tilted with respect to a screen. The distortion corrector comprises a tilt angle generator fo... | 04/10/2007 |
| 7199533 | Convergence control apparatus for video display A convergence control apparatus for a video display is provided. In the apparatus, a convergence controller receives a vertical synchronization signal and a horizontal synchronization signal and then outputs a vertical convergence correction voltage and a horizontal... | 04/03/2007 |
| 7193662 | Projector having alignment optics and electronics A projector employing a linear array of light-emitting sources forms a super pixel in the form of a plurality of beams that are focused onto scanning optics that cause the beams to move across a viewing surface on a first axis for defining image lines along the firs... | 03/20/2007 |
| 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 |
| 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 |
| 7167216 | Projection system with adjustable aspect ratio optics Adjustable aspect ratio optics is described. In one implementation, a second mirror receives light reflected from a first mirror within the adjustable aspect ratio optics. In accordance with the adjustable nature of the aspect ratio optics, either or both of the fir... | 01/23/2007 |
| 7164451 | Projector having scanning optics A projector that employs scanning optics is disclosed. A number of light-emitting sources have intensities that are varied in accordance with an image. The scanning optics scan the light output by the light-emitting sources to cover a two-dimensional plane in accord... | 01/16/2007 |
| 7156524 | Projection type video display and method of adjusting the same at factory shipping A microcomputer performs image drawing processing of a projection video for adjustment by an OSD (On-Screen Display) circuit when it detects the press of an adjustment command key. The projection video for adjustment is an image having a black-and-white area high in... | 01/02/2007 |
| 7150537 | Projection television device and screen A front projection display device is provided including an image-generating source configured to generate an image, a wide angle lens system adapted to receive the image, and a screen. The wide angle lens system may be configured to increase distortion of the image ... | 12/19/2006 |
| 7148933 | Projector having alignment optics and electronics A projector employing a linear array of light-emitting sources forms a super pixel in the form of a plurality of beams that are focused onto scanning optics that cause the beams to move across a viewing surface on a first axis for defining image lines along the firs... | 12/12/2006 |
| 7131732 | Projector apparatus, inclination angle obtaining method, and projection image correction method In a projector to which the present invention is applied, a distance sensor measures distances between the projector and a plurality of points on a screen. An angle calculation unit obtains a formula representing a screen surface, based on plural pieces of distance ... | 11/07/2006 |
| 7133079 | Circuit comprising a combined signal and environmental light sensor In indication and image reproduction apparatus, the ambient brightness must be taken into account for an optimum reproduction quality. This requires an optical sensor, which is associated with additional technical outlay. The invention relates to a circuit which all... | 11/07/2006 |
| 7129655 | Image distortion correction apparatus capable of correcting misconvergence using an amplifier An image distortion correction apparatus is disclosed which can correct misconvergence using a D-class amplifier. The image distortion correction apparatus has an image processor for detecting an image signal and horizontal/vertical synchronous signals from a signal... | 10/31/2006 |
| 7116379 | Projector and method of adjusting projection size The technique of the present invention adjustably sets an image area on a center of an image display area of an image display device for displaying an image expressed by an input image signal and a mask display area surrounding the image area for displaying a black ... | 10/03/2006 |
| 7108379 | Projector for adjusting a projected image size and luminance depending on various environments A projector includes a housing, an image module for projecting onto a screen toward a front side, a detecting module for detecting distances from the projector to the front side and from the projector to the back side, a processor for adjusting luminance of the proj... | 09/19/2006 |
| 7086743 | Rear projection type projector and its method of use A rear projection type projector is provided. An optic axis of modulated light to be projected to a screen projection surface is slanted to a normal N-N of the screen projection surface and projected to a trapezoidal range ABCD housing the actual projection range EF... | 08/08/2006 |
| 7061551 | Convergence control apparatus and method for compensating for angular error of reference pattern Convergence control apparatus of a projection television has: a pattern generator for generating a reference pattern; optical sensors for sensing the change of luminance of the reference pattern moving on a screen; and a convergence controller for compensating for t... | 06/13/2006 |
| 7061552 | Method and apparatus to perform automatic digital convergence A method and apparatus for performing autoconvergence is described. An image having a first aspect ratio and a plurality of sides is received. The image is displayed on a display having a second aspect ratio and at least one sensor corresponding to each side of the ... | 06/13/2006 |
| 7053966 | Adjusting convergence apparatus and method Disclosed is a projection image display apparatus, specified in a convergence adjusting apparatus employing a spline interpolation scheme. In the projection image display apparatus, the convergence adjusting apparatus includes controller for selecting sections arran... | 05/30/2006 |
| 7034900 | Color display device and method utilizing convergence correction In a color display device, apparatus and method are provided to produce a convergence correction signal based on digital convergence correction values. The data rate by which the data is supplied to the apparatus varies, depending on the area of the display correspo... | 04/25/2006 |
