Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1984-01-31
1986-06-17
Shepperd, John W.
Facsimile and static presentation processing
Static presentation processing
Attribute control
H04N 973
Patent
active
045959463
ABSTRACT:
A white balance control system comprises a ripple detecting circuit for detecting a ripple component associated with a fluorescent lamp source or the like which is contained in light from an object being photographed. Alternatively a circuit may be provided for detecting a particular color temperature from color temperature information which is used in a white balance control. A white balance adjusting circuit responds to an output from either the ripple detecting circuit or the detecting circuits to provide a correction for any offset in the white balance control.
REFERENCES:
patent: Re28774 (1976-04-01), Kubota et al.
patent: 4499487 (1985-02-01), Takayama et al.
patent: 4524381 (1985-06-01), Konishi
Tanaka Shunpei
Uehara Masao
Olympus Optical Company Ltd.
Shepperd John W.
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