IP Library › Granted Patent US 4,947,255
Granted Patent Utility
US 4,947,255 · App. 07/245,472

Video luminance self keyer

Inventors: Richard A. Jackson, Richard S. Bannister
Patented Case View Patent ↗
Granted: Aug 7, 1990 Filed: Sep 19, 1988
Inventors
Richard A. Jackson
Richard S. Bannister
Assignee (at issue)
GRASS VALLEY LIMITED

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Quick Facts
Patent No.
US 4,947,255
App. No.
07/245,472
Filed
1988-09-19
Granted
1990-08-07
Kind
A