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Class Information
Number: 348/807
Name: Television > Video display > Cathode-ray tube > With distortion, alignment or focus > Color convergence correction
Description: Subject matter including at least two electron beam deflection elements connected in a circuit which generates a time varying signal to permit the focusing and scanning of plural electron beams in the envelope of a cathode-ray tube in one of two directions at each and every point of a screen of the cathode-ray tube.

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8705135 Display control apparatus and method of creating look-up table Apr. 22, 2014
8692942 Data processing apparatus, liquid crystal display device, television receiver, and data processing method Apr. 8, 2014
8633951 Display system Jan. 21, 2014
8514333 Image display device for displaying color image on color display unit Aug. 20, 2013
8514334 Image display device for displaying color image on color display unit Aug. 20, 2013
8478516 Method and system for providing navigation assistance on a mobile device Jul. 2, 2013
8345072 Display system Jan. 1, 2013
8289456 Image correction method Oct. 16, 2012
8235534 Projector that projects a correction image between cyclic main image signals Aug. 7, 2012
8223161 Electronic alignment of primary color pixels in a scanned display Jul. 17, 2012
8154560 Display drive circuit Apr. 10, 2012
8063911 System and method for gamut mapping of out-of-gamut signals Nov. 22, 2011
7959300 Projected image display unit Jun. 14, 2011
7884837 Method and apparatus for correcting spatial non-uniformity in display device Feb. 8, 2011
7791638 Rotating scan camera Sep. 7, 2010
7750919 Apparatus and method for enhancing device-adaptive color Jul. 6, 2010
7742057 Method and device of obtaining a color temperature point Jun. 22, 2010
7737989 System and method for computing color correction coefficients Jun. 15, 2010
7733429 Automatic convergence for image projection systems Jun. 8, 2010
7688331 Method and system for color correction of image signals Mar. 30, 2010
7525567 Recording a stereoscopic image of a wide field of view Apr. 28, 2009
7327372 Color correcting parameter calculator, image color correcting device, method of calculating color correcting parameters, and program therefor Feb. 5, 2008
7271853 Apparatus and method for correcting distortion of image and image displayer using the same Sep. 18, 2007
7268837 Method and system for automated convergence and focus verification of projected images Sep. 11, 2007
7227592 Self-correcting rear projection television Jun. 5, 2007
7215362 Auto-calibration of multi-projector systems May. 8, 2007
7199533 Convergence control apparatus for video display Apr. 3, 2007
7129655 Image distortion correction apparatus capable of correcting misconvergence using an amplifier Oct. 31, 2006
7097311 Super-resolution overlay in multi-projector displays Aug. 29, 2006
7068283 Gamma correction only gain/offset control system and method for display controller Jun. 27, 2006
7034901 Convergence optimization in a projection display Apr. 25, 2006
7034900 Color display device and method utilizing convergence correction Apr. 25, 2006
7012633 Color calibration method for imaging color measurement device Mar. 14, 2006
6982766 Digital raster correction Jan. 3, 2006
6952242 Convergence correction of a CRT screen or projector Oct. 4, 2005
6932479 Image processing system, projector, program, information storage medium and image processing method Aug. 23, 2005
6879352 Convergence measuring apparatus and method thereof Apr. 12, 2005
6836298 Apparatus and method for correcting distortion of image and image displayer using the same Dec. 28, 2004
6804569 Distributed manufacturing with feedback Oct. 12, 2004
RE38574 Method and apparatus for reducing visibility of damping wires in aperture grill display tubes Aug. 31, 2004
6784947 Image display apparatus and method of correcting image on image display apparatus against inclination by terrestrial magnetism Aug. 31, 2004
6753932 Method and apparatus for controlling convergence of color signals Jun. 22, 2004
6741295 Preventing doming phenomena May. 25, 2004
6711597 Interpolation method using pre-emphasized input samples Mar. 23, 2004
6707509 Method for adjusting convergence in a projection television receiver Mar. 16, 2004
6704758 Interpolation method for smooth convergence correction Mar. 9, 2004
6704064 Method and apparatus for convergence correction in a television receiver Mar. 9, 2004
6686710 Circuit and method for regulating current using autobias Feb. 3, 2004
6686707 Method and apparatus for providing a dynamic rotational alignment of a cathode ray tube raster Feb. 3, 2004
6600276 Automatic convergence control method and apparatus for projection television Jul. 29, 2003

1 2 3 4

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