Color picture camera including an amplifier circuit for...

Details Color picture camera including an amplifier circuit for... Color picture camera including an amplifier circuit for...

2005-08-09

2005-08-09

Garber, Wendy R. (Department: 2612)

Television

Camera, system and detail

Combined image signal generator and general image signal...

C348S655000

Reexamination Certificate

active

06927791

ABSTRACT:
The invention relates to a color picture camera (1, 31, 41) with a sensor (2) having a surface to image color pictures, which pictures can be converted into electrical signals, a red component of the color picture generating an electrical red value signal (R), a green component of the color picture generating an electrical green value signal (G), and a blue component of the color picture generating an electrical blue value signal (B), which signals are supplied to a parallel/serial converter and an amplifier circuit (42) for a white compensation and a brightness compensation. According to the invention, the amplifier circuit includes a two-stage amplifier (43, 44) with a first amplifier stage (43) for a fine compensation and a second amplifier stage (44) for a coarse compensation.

REFERENCES:
patent: 5691772 (1997-11-01), Suzuki
patent: 5751348 (1998-05-01), Inuiya et al.
patent: 5838194 (1998-11-01), Khoury
patent: 6342919 (2002-01-01), Opris
JP 2000 224596 A; (NEC Corp) ,Aug. 11, 2000, Aug. 11, 2000, Figures 3, 6.

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