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Class Information
Number: 348/182
Name: Television > Monitoring, testing, or measuring > Test signal generator > Chroma or color bar
Description: Subject matter wherein the test signal represents the quality of light which includes color and its purity or a color bar signal which consists of six colors (yellow, cyan, green, magenta, red, and blue).
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7489337 |
Method and system for synchronizing colorimetric rendering of a juxtaposition of display surfaces |
Feb. 10, 2009 |
| 7415153 |
Color naming, color categorization and describing color composition of images |
Aug. 19, 2008 |
| 7339619 |
Image pickup system and image processing program for performing correction on chroma signal |
Mar. 4, 2008 |
| 7336298 |
Video signal level monitoring apparatus |
Feb. 26, 2008 |
| 7312815 |
Method and apparatus for color calibration |
Dec. 25, 2007 |
| 7136092 |
Method and apparatus for testing video chroma quantization |
Nov. 14, 2006 |
| 7133148 |
Digital camera for image device calibration |
Nov. 7, 2006 |
| 7023470 |
Self-testing video display devices and method of use thereof |
Apr. 4, 2006 |
| 7023471 |
Video quality assessment with test video sequences |
Apr. 4, 2006 |
| 6757010 |
Method and system for calibrating color correction instructions between color correction devices |
Jun. 29, 2004 |
| 6747688 |
Apparatus and method for reproducing real colors in a video system |
Jun. 8, 2004 |
| 6744464 |
Apparatus and method for real-time testing/adjusting of television picture colors |
Jun. 1, 2004 |
| 6700627 |
Method of characterizing a video display |
Mar. 2, 2004 |
| 6556238 |
Color-bar signal generation unit compatible with plurality of television signal formats |
Apr. 29, 2003 |
| 6552755 |
Method for measuring convergence by using a mixed color pattern |
Apr. 22, 2003 |
| 6538242 |
Method of measuring spectral responsivity characteristic of image pick-up device and method of configuring imaging data |
Mar. 25, 2003 |
| 6330026 |
Color testing system for testing color output of a display device |
Dec. 11, 2001 |
| 6317153 |
Method and system for calibrating color correction instructions between color correction devices |
Nov. 13, 2001 |
| 6292231 |
Color signal generation circuit |
Sep. 18, 2001 |
| 5889835 |
Method and system for testing a transmission line in a non-addressable network for continuity |
Mar. 30, 1999 |
| 5561459 |
Automatic profile generation for a self-calibrating color display |
Oct. 1, 1996 |
| 5455620 |
Automatic generation of vector reference graticules |
Oct. 3, 1995 |
| 5440340 |
Device for measuring characteristics of a color cathode ray tube |
Aug. 8, 1995 |
| 5404164 |
Process and device for convergence measurement in a color picture tube |
Apr. 4, 1995 |
| 5392394 |
System for generating different kinds of digital video signals |
Feb. 21, 1995 |
| 5381349 |
System for calibrating a color display to enable color-matching |
Jan. 10, 1995 |
| 5365275 |
Method and apparatus for generating PAL video signal by digital processing |
Nov. 15, 1994 |
| 5345263 |
Computer color monitor testing method and portable testing apparatus |
Sep. 6, 1994 |
| 5247350 |
Method and apparatus for testing video |
Sep. 21, 1993 |
| 5194936 |
Circuit for selectively converting a color bar pattern |
Mar. 16, 1993 |
| 5159436 |
Technique for detecting color misregistration and misconvergence in video color displays and cameras |
Oct. 27, 1992 |
| 5119178 |
Video camera with manual color balance adjusting option |
Jun. 2, 1992 |
| 5077600 |
Self-inspecting convergence measuring apparatus |
Dec. 31, 1991 |
| 5038210 |
Test pattern signal generator for producing zone plate and other test patterns |
Aug. 6, 1991 |
| 5001549 |
Television signal generator |
Mar. 19, 1991 |
| 4949165 |
Method and apparatus for testing and checking the criteria of a key signal decoder from a chromakey mixer |
Aug. 14, 1990 |
| 4914506 |
Component color bar alignment test signal |
Apr. 3, 1990 |
| 4879590 |
Color bar and audio signal generator |
Nov. 7, 1989 |
| 4772948 |
Method of low cost self-test in a video display system system |
Sep. 20, 1988 |
| 4758877 |
Color bar autofind |
Jul. 19, 1988 |
| 4442428 |
Composite video color signal generation from digital color signals |
Apr. 10, 1984 |
| 4214258 |
Portable television camera and tape recorder combination |
Jul. 22, 1980 |
| 4201932 |
Color purity adjusting method |
May. 6, 1980 |
| 4149178 |
Pattern generating system and method |
Apr. 10, 1979 |
| 4093960 |
Test signal generating system and method |
Jun. 6, 1978 |
| 4089026 |
Color bar generator |
May. 9, 1978 |
| 4069500 |
Arrangements for testing color television systems |
Jan. 17, 1978 |
| 3978520 |
Magnetic head cleaning tape and method |
Aug. 31, 1976 |
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