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Class Information
Number: 348/671
Name: Television > Image signal processing circuitry specific to television > Gray scale transformation
Description: Subject matter including circuitry which modifies the range of values contained in a TV signal.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7408530 |
Apparatus and method of driving a plasma display panel |
Aug. 5, 2008 |
| 7375770 |
Method for luminance transition improvement |
May. 20, 2008 |
| 7358994 |
Image processing apparatus, image processing method, recording medium thereof, and program thereof |
Apr. 15, 2008 |
| 7345712 |
Display apparatus |
Mar. 18, 2008 |
| 7265795 |
Video signal processing circuit, video display apparatus, and video display method |
Sep. 4, 2007 |
| 7259773 |
Display device with improved representation of the shades of grey |
Aug. 21, 2007 |
| 7227581 |
Method and apparatus for processing video pictures, in particular for large area flicker effect reduction |
Jun. 5, 2007 |
| 7221335 |
Image display method and device for plasma display panel |
May. 22, 2007 |
| 7221408 |
Adaptive contrast enhancement method for video signals based on time-varying nonlinear transforms |
May. 22, 2007 |
| 7126617 |
Method of driving display apparatus and plasma display apparatus |
Oct. 24, 2006 |
| 7119772 |
Methods for driving bistable electro-optic displays, and apparatus for use therein |
Oct. 10, 2006 |
| 7110616 |
Device for processing images, in particular medical images |
Sep. 19, 2006 |
| 7068837 |
Image processing method |
Jun. 27, 2006 |
| 7062105 |
Image management system, image management method and image display device |
Jun. 13, 2006 |
| 7050099 |
Solid-state image pickup apparatus |
May. 23, 2006 |
| 7042522 |
Adaptive contrast enhancement method using time-varying nonlinear transforms on a video signal |
May. 9, 2006 |
| 7027088 |
Color to monotone conversion apparatus, color to monotone conversion method and a medium recording thereon a color to monotone conversion program |
Apr. 11, 2006 |
| 7012625 |
Image quality correcting circuit |
Mar. 14, 2006 |
| 6989870 |
Video signal processing apparatus and method capable of converting an interlace video signal into a non-interlace video signal |
Jan. 24, 2006 |
| 6965402 |
System for detecting and storing digital pictures |
Nov. 15, 2005 |
| 6950114 |
Apparatus for compensating for luminance level of video signal |
Sep. 27, 2005 |
| 6911977 |
Method and device for restoring a light signal |
Jun. 28, 2005 |
| 6788306 |
Display apparatus displaying pseudo gray levels and method for displaying the same |
Sep. 7, 2004 |
| 6765551 |
Column electrode driving circuit for use with image display device and image display device incorporating the same |
Jul. 20, 2004 |
| 6700628 |
Device and method for controlling brightness of image signal |
Mar. 2, 2004 |
| 6690499 |
Multi-state light modulator with non-zero response time and linear gray scale |
Feb. 10, 2004 |
| 6633343 |
Dynamic gamma correction apparatus |
Oct. 14, 2003 |
| 6618056 |
Display device with improved representation of the shades of grey |
Sep. 9, 2003 |
| 6614488 |
Method and apparatus for controlling tint in a digital color display system |
Sep. 2, 2003 |
| 6597371 |
System for digitally driving addressable pixel matrix |
Jul. 22, 2003 |
| 6456302 |
Image display apparatus and image evaluation apparatus |
Sep. 24, 2002 |
| 6373533 |
Image quality correction circuit for video signals |
Apr. 16, 2002 |
| 6285413 |
Method and apparatus for dynamic contrast improvement in video pictures |
Sep. 4, 2001 |
| 6278496 |
Digital correction circuit and image data processing apparatus equipped with a digital correction circuit |
Aug. 21, 2001 |
| 6268890 |
Image display apparatus with selected combinations of subfields displayed for a gray level |
Jul. 31, 2001 |
| 6266102 |
Image display method, gradation conversion circuit, and image signal conversion apparatus |
Jul. 24, 2001 |
| 6137541 |
Image processing method and image processing apparatus |
Oct. 24, 2000 |
| 6091442 |
Apparatus for improving the visibility of images |
Jul. 18, 2000 |
| 5982449 |
Television receiver that provides gradation correction using a CPU |
Nov. 9, 1999 |
| 5940142 |
Display device driving for a gray scale expression, and a driving circuit therefor |
Aug. 17, 1999 |
| 5936684 |
Image processing method and image processing apparatus |
Aug. 10, 1999 |
| 5923383 |
Image enhancement method using histogram equalization |
Jul. 13, 1999 |
| 5835161 |
Kinescope driver apparatus with gamma correction coupled with feedback cathode current sensor |
Nov. 10, 1998 |
| 5777590 |
Grayscale shading for liquid crystal display panels |
Jul. 7, 1998 |
| 5712659 |
Apparatus and method for adjusting contrast of R,G,B signals |
Jan. 27, 1998 |
| 5689311 |
After image reducer |
Nov. 18, 1997 |
| 5663772 |
Gray-level image processing with weighting factors to reduce flicker |
Sep. 2, 1997 |
| 5640212 |
Video signal clipping circuitry and method for color television broadcasting |
Jun. 17, 1997 |
| 5621476 |
Reducing the effects of noise in level number transformation |
Apr. 15, 1997 |
| 5604545 |
Methods and apparatus for enhancing gray scale images |
Feb. 18, 1997 |
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