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Class Information
Number: 348/747
Name: Television > Video display > Projection device > With alignment, registration or focus > Raster size or position compensation
Description: Subject matter wherein a raster scan pattern on at least one projection device is altered in size relative to those of another projection device whereby each of the projected images has the same relative size; or wherein the raster is shifted up or down or side to side in order that the projected images are in registration on the screen.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8690348 System for adjusting image of beam projector using camera attached remote controller and method thereof Apr. 8, 2014
8662676 Automatic projector calibration Mar. 4, 2014
8591042 Display systems for high contrast display applications Nov. 26, 2013
8545025 Image processing apparatus, projector, image processing method, and program Oct. 1, 2013
8534844 Dynamic keystone correction Sep. 17, 2013
8485668 3D interaction for mobile device Jul. 16, 2013
8451389 Image processor, image display device, image processing method, image display method, and program May. 28, 2013
8411211 Projection type video display device Apr. 2, 2013
8330876 Projector Dec. 11, 2012
8223275 Projector and correction method Jul. 17, 2012
8144264 Image processor, image display device, image processing method, image display method, and program Mar. 27, 2012
8134599 Scanning image display apparatus Mar. 13, 2012
8111336 Correcting scanned projector distortion by varying the scan amplitude Feb. 7, 2012
8104899 Beam projection apparatus and method with automatic image adjustment Jan. 31, 2012
7959300 Projected image display unit Jun. 14, 2011
7924349 Arrangement for and method of projecting an image with linear scan lines Apr. 12, 2011
7909470 Image projection method and projector Mar. 22, 2011
7878664 Projector with image sensor Feb. 1, 2011
7855753 Digital correction module for video projector Dec. 21, 2010
7845801 Multiple control data interface between different hosts and controller for an image projection arrangement Dec. 7, 2010
7701518 Methods and systems for displaying video in multiple aspect ratios Apr. 20, 2010
7695143 Image processing system, projector, computer-readable medium, and image processing method Apr. 13, 2010
7679690 Digital correction module for video projector Mar. 16, 2010
7612909 Image processing apparatus and method, and image-capturing apparatus based on the difference between a signal detected by a sensor and the real world Nov. 3, 2009
7607783 Imaging apparatus, image processing apparatus, image processing method of imaging apparatus and computer program Oct. 27, 2009
7520620 Projector and projector control method Apr. 21, 2009
7461939 Automatic zoom for screen fitting Dec. 9, 2008
7446822 High-resolution image projection Nov. 4, 2008
7370976 Projection type image display device May. 13, 2008
7357517 Projector, method of controlling the projector, program for controlling the projector, and recording medium storing the program Apr. 15, 2008
7347564 Keystone correction using a part of edges of a screen Mar. 25, 2008
7342572 System and method for transforming an ordinary computer monitor into a touch screen Mar. 11, 2008
7301691 System and method for generating images Nov. 27, 2007
7280165 Apparatus and method for controlling convergence of projection television Oct. 9, 2007
7252387 System and method for mechanically adjusting projector pose with six degrees of freedom for image alignment Aug. 7, 2007
7237903 Video projector and method for shifting projected picture Jul. 3, 2007
7237907 Projection system that adjusts for keystoning Jul. 3, 2007
7204596 Projector with tilt angle measuring device Apr. 17, 2007
7201482 Projection type display device Apr. 10, 2007
7175285 Projection system that adjusts for keystoning Feb. 13, 2007
7175287 Wide angle projection lens Feb. 13, 2007
7167216 Projection system with adjustable aspect ratio optics Jan. 23, 2007
7164451 Projector having scanning optics Jan. 16, 2007
7156524 Projection type video display and method of adjusting the same at factory shipping Jan. 2, 2007
7150537 Projection television device and screen Dec. 19, 2006
7131732 Projector apparatus, inclination angle obtaining method, and projection image correction method Nov. 7, 2006
7116379 Projector and method of adjusting projection size Oct. 3, 2006
7108379 Projector for adjusting a projected image size and luminance depending on various environments Sep. 19, 2006
7086743 Rear projection type projector and its method of use Aug. 8, 2006
7061552 Method and apparatus to perform automatic digital convergence Jun. 13, 2006

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