Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1987-07-22
1989-06-27
Chin, Tommy P.
Facsimile and static presentation processing
Static presentation processing
Attribute control
358 41, H04N 973, H04N 904
Patent
active
048434566
ABSTRACT:
The present invention relates to a white balance adjusting device for a color video camera for photographing an object irradiated by light from a blackbody radiation source or a non-blackbody radiation source. When recording operation is being performed, the white balance adjusting device prevents the moving operation of a fluorescent light correction filter and a color temperature conversion filter into an optical path of image pickup means and permits a white balance adjustment operation performed by electrically correcting an output of the image pickup means. When a recording operation is not being performed, the white balance adjusting device permits the moving operation of the fluorescent light correction filter and the color temperature conversion filter into the optical path and permits white balance adjustment operation performed by electrically correcting the output of the image pickup means.
REFERENCES:
patent: 4249197 (1981-02-01), van Spaandonk et al.
patent: 4355325 (1982-10-01), Nakamura et al.
patent: 4527189 (1985-07-01), Ooi et al.
patent: 4584598 (1986-04-01), Kujaragi
patent: 4605955 (1986-08-01), Hashimoto et al.
Adrian Bailey, The Illustrated Dictionary of Photography, Exeter Books, New York, 1987, entries for "Mired", Photoflood Lamp, and Tungsten Lighting.
Fukuoka Hidenori
Iida Takashi
Itoh Masatoshi
Kondo Takashi
Tsukamoto Takeya
Chin Tommy P.
Minolta Camera Kabushiki Kaisha
Svihla Randall S.
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