White balance adjusting device

Details White balance adjusting device White balance adjusting device

1996-12-09

1999-11-09

Metjahic, Safet

Photography

Camera combined with or convertible to diverse art device

G03B 1900

Patent

active

059830387

ABSTRACT:
A white balance adjusting device includes a rotational color filter and a shutter which are provided between a photographing optical system and an electro-developing recording medium having first, second, and third recording areas. Red, green, and blue images are recorded in the first, second, and third recording areas through the rotational color filter. A photometry sensor is provided behind the electro-developing recording medium to sense the intensity of light passing through the first, second, and third recording areas. When the sensed light reaches a proper photometry value, the application of a voltage to the electro-developing recording medium is stopped, and the shutter is closed.

REFERENCES:
patent: 4945423 (1990-07-01), Takanashi et al.
patent: 5132825 (1992-07-01), Miyadera
patent: 5251021 (1993-10-01), Parulski et al.
patent: 5315410 (1994-05-01), Takanshi et al.
patent: 5424156 (1995-06-01), Aoki et al.
patent: 5550587 (1996-08-01), Miyadera
patent: 5555205 (1996-09-01), Okabe
patent: 5568194 (1996-10-01), Abe
patent: 5646927 (1997-07-01), Shimizu et al.

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