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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:
| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 7237907 |
Projection system that adjusts for keystoning |
Jul. 3, 2007 |
| 7237903 |
Video projector and method for shifting projected picture |
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 |
| 7061551 |
Convergence control apparatus and method for compensating for angular error of reference pattern |
Jun. 13, 2006 |
| 7061552 |
Method and apparatus to perform automatic digital convergence |
Jun. 13, 2006 |
| 7053966 |
Adjusting convergence apparatus and method |
May. 30, 2006 |
| 7034900 |
Color display device and method utilizing convergence correction |
Apr. 25, 2006 |
| 7029124 |
Distortion control for a seamless tile display system |
Apr. 18, 2006 |
| 6975779 |
Method for modifying the image size of video images |
Dec. 13, 2005 |
| 6906754 |
Electronic display with compensation for shaking |
Jun. 14, 2005 |
| 6834965 |
Self-configurable ad-hoc projector cluster |
Dec. 28, 2004 |
| 6817721 |
System and method for correcting projector non-uniformity |
Nov. 16, 2004 |
| 6784947 |
Image display apparatus and method of correcting image on image display apparatus against inclination by terrestrial magnetism |
Aug. 31, 2004 |
| 6753829 |
Projection image display apparatus |
Jun. 22, 2004 |
| 6750921 |
Projection video display with photo transistor sensors |
Jun. 15, 2004 |
| 6714331 |
Scanned imaging apparatus with switched feeds |
Mar. 30, 2004 |
| 6707509 |
Method for adjusting convergence in a projection television receiver |
Mar. 16, 2004 |
| 6686973 |
Method and apparatus for automatically correcting projection display of projector |
Feb. 3, 2004 |
| 6683586 |
Apparatus and method of adjusting horizontal position for a video display appliance |
Jan. 27, 2004 |
| 6671004 |
Method and apparatus for convergence correction in a television set |
Dec. 30, 2003 |
| 6618076 |
Method and apparatus for calibrating projector-camera system |
Sep. 9, 2003 |
| 6609797 |
Projector with adjustably positioned image plate |
Aug. 26, 2003 |
| 6603532 |
Illuminance measurement apparatus, exposure apparatus, and exposure method |
Aug. 5, 2003 |
| 6597410 |
System for the automatic adaptation of projector images and a method for the implementation thereof |
Jul. 22, 2003 |
| 6590620 |
CRT display image horizontal distortion correction device |
Jul. 8, 2003 |
| 6536907 |
Aberration compensation in image projection displays |
Mar. 25, 2003 |
| 6515781 |
Scanned imaging apparatus with switched feeds |
Feb. 4, 2003 |
| 6499849 |
Rear projector that can adjust image size and operating method |
Dec. 31, 2002 |
| 6493044 |
Digital keystone modulation circuit |
Dec. 10, 2002 |
| 6486926 |
Adaptable raster distortion correction system for multiple horizontal scanning frequencies |
Nov. 26, 2002 |
| 6462769 |
Image correction method to compensate for point of view image distortion |
Oct. 8, 2002 |
| 6462488 |
Shadowmaskless tracking cathode ray tube control circuit having inverse beam current compensation |
Oct. 8, 2002 |
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