White balance control system including a fluorescent light rippl

Details White balance control system including a fluorescent light rippl White balance control system including a fluorescent light rippl

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

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