Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Exposure control apparatus with compensation for film reciprocity failure

Exposure control apparatus with compensation for film reciprocity failure

US Patent 4264163 · Granted Apr 28, 1981

Estimated economic value: $4,705,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Bicyclic imidazole as DP1 receptor antagonists2013
Illumination assembly for an optical viewing device2000
Compensating optical system for video monitor1994
Printer calibration method using electronically-decoupled color and tone scale a1992
Zero guard-band skip-field video cassette recorder1990
Magnetic recording device using circumferentially offset heads with double sided1990
Dual purpose memory for time division multiplexing and time base error correctio1988
Time division multiplex video recorder with high resolution1988
Time division multiplex video recorder with enhanced vertical chrominance sampli1988
Noise-impervious video timing recovery and automatic skew compensation1988
Tape memory with integral disk index on reel1988
Method and apparatus for combining two color video signals1987