Video camera with white balance control having the function of inhibiting auto while balance control under a special light source or of a special object
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United States of America Patent
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Nov 30, 1993
Grant Date -
N/A
app pub date -
Aug 29, 1991
filing date -
Aug 31, 1990
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In a video camera capable of regulating the white balance by relative regulation of the gains of plural color signals obtained from the light coming from an object, a control signal for controlling the white balance regulating operation is formed according to color temperature information, and the formation of the control signal is suspended according to the result of discrimination whether the control signal is within a predetermined range, whereby the time required for regulating operation is shortened. Also in case the object color is identified to contain a deviation to a particular color, the control signal is replaced by another value. In this manner the white balance control utilizing the image signal is enabled ever under a special light source for a special object.
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Cited Art Landscape
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