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Browse by Category: Main > Optical & Optics
Class Information
Number: 353/70
Name: Optics: image projectors > Distortion compensation > For projection axis inclined to screen
Description: Subject matter including means to eliminate the keystone effect or other distortion when the projector is above the viewing screen, as in most theaters, or when the projection axis is oblique to the screen or some other purpose.










Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
8690337 Device and method for displaying an image on a VUI screen and also a main projection screen Apr. 8, 2014
8690348 System for adjusting image of beam projector using camera attached remote controller and method thereof Apr. 8, 2014
8690349 Oblique projection optical system and projection type display apparatus using the same Apr. 8, 2014
8690350 Image display apparatus and information processing apparatus having the same and method of controlling image display apparatus Apr. 8, 2014
8690353 Multi-resolution display system Apr. 8, 2014
8690334 Projector, projection system, and control method of projector Apr. 8, 2014
8662675 Compact image offset projection lens Mar. 4, 2014
8657450 Projection optical system and image projection device Feb. 25, 2014
8625082 Display apparatus Jan. 7, 2014
8608317 Projection of various image contents in a cabin of a transport means Dec. 17, 2013
8602565 Projected display Dec. 10, 2013
8587731 Projection display device and caption display method Nov. 19, 2013
8579242 Elevating mechanism for projection apparatus Nov. 12, 2013
8573780 Projection-type display apparatus and geometric distortion correcting method for correcting geometric distortion Nov. 5, 2013
8573787 Projection type display apparatus Nov. 5, 2013
8550637 Projector with adjusting feet for facilitating operation Oct. 8, 2013
8545025 Image processing apparatus, projector, image processing method, and program Oct. 1, 2013
8545026 Projector and method for correcting trapezoid distortion of projected images using the projector Oct. 1, 2013
8540375 Offset projection distortion correction Sep. 24, 2013
8534844 Dynamic keystone correction Sep. 17, 2013
8534845 Projector and control method Sep. 17, 2013
8529069 Projection apparatus and control method thereof Sep. 10, 2013
8511838 Scanning laser projector with safety system Aug. 20, 2013
8511835 Image processing apparatus and image processing method Aug. 20, 2013
8508508 Touch screen signal processing with single-point calibration Aug. 13, 2013
8500288 Rear-projection type display device for performing distortion detection and distortion correction Aug. 6, 2013
8491128 System and method for projection correction by capturing projection image Jul. 23, 2013
8491129 Projector having stabilized elevation feet Jul. 23, 2013
8480237 Projector, electronic apparatus, and method of controlling projector Jul. 9, 2013
8454171 Method for determining a video capture interval for a calibration process in a multi-projector display system Jun. 4, 2013
8449122 Image marking method and apparatus May. 28, 2013
8449121 Image processing system, projector, method and computer program product May. 28, 2013
8449119 Modifying application windows based on projection surface characteristics May. 28, 2013
8425047 Keystone correction and lens adjustment for projector Apr. 23, 2013
8425049 Oblique projection optical system and projection type display apparatus using the same Apr. 23, 2013
8425050 Projection display device and keystone correction method Apr. 23, 2013
8425051 Projector and image projection method Apr. 23, 2013
8419193 Projection apparatus Apr. 16, 2013
8408717 Projection type image display apparatus Apr. 2, 2013
8411211 Projection type video display device Apr. 2, 2013
8403504 Projection type display apparatus Mar. 26, 2013
8403506 Projector probing method, control device, and storage medium Mar. 26, 2013
8398246 Real-time projection management Mar. 19, 2013
8393740 Image projection system with keystone correction Mar. 12, 2013
8388146 Anamorphic projection device Mar. 5, 2013
8388151 Object aware, transformable projection system Mar. 5, 2013
8382287 Method and apparatus for calibrating a color temperature of a projector Feb. 26, 2013
8382290 Projector and method of controlling the same Feb. 26, 2013
8382291 Projector and method of controlling projector cancelling keystone distortion correction and modulating guide pattern in response to start movement of the projector Feb. 26, 2013
8371698 Scanning projector with vertical interpolation onto horizontal trajectory Feb. 12, 2013

1 2 3 4 5 6 7 8










 
 
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