Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1983-05-31
1986-10-07
Groody, James J.
Facsimile and static presentation processing
Static presentation processing
Attribute control
358 41, H04N 973, H04N 904
Patent
active
046162534
ABSTRACT:
A color video camera white balance control apparatus including light sensors for sensing the color temperature of a light illuminating an object. The apparatus has an automatic follow-up mode for automatically effecting the white balance adjustment by controlling the gains of the color signal amplifiers of the color video camera in accordance with the detection outputs of the light sensors and a standard mode for controlling the gains of the amplifiers in accordance with preset values irrespective of the output values of the lights sensors, and also the apparatus is so designed that the standard mode is selected automatically or manually upon indication of a warning when the luminous intensity of the illuminating light becomes lower than a fixed level (or when the light sensor output values become lower than a certain value).
Hashimoto Takaaki
Minagawa Kazushi
Groody James J.
Meller Michael N.
Nippon Kogaku K.K.
Svihla Randall S.
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