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Class Information
Number: 348/690
Name: Television > Image signal processing circuitry specific to television > White limiter
Description: Subject matter including apparatus for limiting the excursion of the image signal in the "white" direction to a prescribed level.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7548279 |
Video signal processor |
Jun. 16, 2009 |
| 7283179 |
Liquid crystal television apparatus |
Oct. 16, 2007 |
| 7113227 |
Gradation correcting apparatus gradation correcting method and video display apparatus |
Sep. 26, 2006 |
| 7095451 |
Image processing system, projector, information storage medium and black and white extension processing method |
Aug. 22, 2006 |
| 6825887 |
Color component signal interface circuit |
Nov. 30, 2004 |
| 6809712 |
Drive circuit of liquid crystal display, having clip circuit before polarity inversion circuit |
Oct. 26, 2004 |
| RE38413 |
Pure red color detection circuit and color compensation circuit using the same |
Feb. 3, 2004 |
| 6490003 |
Video signal receiver with level limited output |
Dec. 3, 2002 |
| 6490004 |
Video signal receiver with level limited output |
Dec. 3, 2002 |
| 6483549 |
Video signal receiver with level limited output |
Nov. 19, 2002 |
| 6317163 |
Video signal receiver with level limited output |
Nov. 13, 2001 |
| 6081302 |
Image quality correction circuit and method based on color density |
Jun. 27, 2000 |
| 6064447 |
Pure red color detection circuit and color compensation circuit using the same |
May. 16, 2000 |
| 6023305 |
Primary color video signal output circuit |
Feb. 8, 2000 |
| 6023304 |
Image quality correction circuit and method based on color density |
Feb. 8, 2000 |
| 6018373 |
Image quality correction circuit and method based on color density |
Jan. 25, 2000 |
| 6002448 |
Image quality correction circuit and method based on color density |
Dec. 14, 1999 |
| 5929843 |
Image processing apparatus which extracts white component data |
Jul. 27, 1999 |
| 5910823 |
Image quality correction circuit and method based on color density |
Jun. 8, 1999 |
| 5903320 |
Video amplifier circuit having multiple amplifier circuits with different amounts of feedback |
May. 11, 1999 |
| 5892555 |
Video signal clamping circuit |
Apr. 6, 1999 |
| 5734440 |
White clip circuit |
Mar. 31, 1998 |
| 5663769 |
Image quality correction circuit based on color density |
Sep. 2, 1997 |
| 5640212 |
Video signal clipping circuitry and method for color television broadcasting |
Jun. 17, 1997 |
| 5621480 |
Image quality correction circuit and method based on color density |
Apr. 15, 1997 |
| 5512948 |
Negative-image signal processing apparatus |
Apr. 30, 1996 |
| 5311300 |
Circuit arrangement for accurately adjusting each color channel of a picture signal generator using digital control signals |
May. 10, 1994 |
| 5301024 |
Video signal peak compressor |
Apr. 5, 1994 |
| 5299000 |
Video white signal compression and peaking |
Mar. 29, 1994 |
| 5294985 |
Signal limiting apparatus having improved spurious signal performance and methods |
Mar. 15, 1994 |
| 5291288 |
Aperture correcting circuit |
Mar. 1, 1994 |
| 5097337 |
Apparatus and method for limiting digital video signals |
Mar. 17, 1992 |
| 5021886 |
Video signal processor for a color liquid crystal display |
Jun. 4, 1991 |
| 5003394 |
Dynamic video system including automatic contrast and "white-stretch" processing sections |
Mar. 26, 1991 |
| 4937670 |
Peak detector with feedback |
Jun. 26, 1990 |
| 4918529 |
Device for setting minimal and maximal frequencies of a frequency modulated video signal |
Apr. 17, 1990 |
| 4821100 |
Image signal compressor |
Apr. 11, 1989 |
| 4760450 |
Limiter circuit for preventing blooming in a video display terminal |
Jul. 26, 1988 |
| 4573081 |
Frequency selective video signal compression |
Feb. 25, 1986 |
| 4369466 |
Video signal processing circuit |
Jan. 18, 1983 |
| 4328514 |
CRT Drive circuit comprising white and black level clamping circuitry |
May. 4, 1982 |
| 4306256 |
Preemphasis and clipping apparatus for reducing distortions |
Dec. 15, 1981 |
| 4296435 |
Luminance signal processing circuit |
Oct. 20, 1981 |
| 4276566 |
Circuit for inhibiting radio frequency interference in a television receiver |
Jun. 30, 1981 |
| 4275419 |
Video amplifier with noise inversion |
Jun. 23, 1981 |
| 4234890 |
Automatic setup system for television cameras |
Nov. 18, 1980 |
| 4214272 |
Video highlight attenuation processor |
Jul. 22, 1980 |
| 4160277 |
Television picture enhancement circuit |
Jul. 3, 1979 |
| 4091420 |
Video amplifier |
May. 23, 1978 |
| 3980815 |
White level clipping circuit |
Sep. 14, 1976 |
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