Television camera and white balance correcting method

Details Television camera and white balance correcting method Television camera and white balance correcting method

2005-08-09

2005-08-09

Garber, Wendy R. (Department: 2612)

Television

Camera, system and detail

Combined image signal generator and general image signal...

C348S265000, C348S655000

Reexamination Certificate

active

06927792

ABSTRACT:
The white balance of a television camera is not lost and kept properly even if the diaphragm is opened to the utmost limit at a dark place. A signal F representing the diaphragm value of the taking lens is inputted from an iris part2into a microcomputer8. The level adjusting values of the R, G, and B signals are set in the microcomputer8according to the diaphragm signal F and sent to a white balance correcting circuit6. The correcting circuit6adjusts the levels of the R, G, and B signals to the same value according to the level adjusting values.

REFERENCES:
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patent: 5530474 (1996-06-01), Takei
patent: 5617141 (1997-04-01), Nishimura et al.
patent: 5818523 (1998-10-01), Ban
patent: 55-028653 (1980-02-01), None
patent: 04-317290 (1992-11-01), None
patent: 06-178198 (1994-06-01), None
patent: 06178198 (1994-06-01), None
patent: 08-223587 (1996-08-01), None

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