White balance adjusting system for a color television system
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United States of America Patent
Stats
-
Jan 19, 1993
Grant Date -
N/A
app pub date -
Dec 20, 1991
filing date -
Jun 13, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A white balance adjusting system for a color television system has three CRTs for projecting beams of three primary colors, and a color control circut for controlling outputs of the three CRTs. Three sensors are provided adjacent each CRT for detecting quantity of each color light. A memory stores three reference quantities of respective color lights for obtaining a white balance. Each detected quantity of the color light is compared with the reference quantity by a computer. The color control circuit is operated so as to reduce the difference obtained by the comparator to a predetermined value.
First Claim
Family
International Classification(s)
Cited Art Landscape
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