US PATENT SUBCLASS 348 / 251
.~.~.~ Shading or black spot correction

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


348 /   HD   TELEVISION

207  DF  CAMERA, SYSTEM AND DETAIL {19}
222  DF  .~ Combined image signal generator and general image signal processing {9}
241  DF  .~.~ Including noise or undesired signal reduction {6}
251.~.~.~ Shading or black spot correction

DEFINITION

Classification: 348/251

Shading or black spot correction:

(under subclass 241) Subject matter including an apparatus to compensate for brightness level variations in different areas of a given reproduced picture due to unequal characteristics of, or imperfections in, the image signal generator.