Electronic endoscope system

Details Electronic endoscope system Electronic endoscope system

2006-08-24

2010-06-01

Philippe, Gims S (Department: 2621)

Television

Special applications

With endoscope

C348S239000

Reexamination Certificate

active

07728867

ABSTRACT:
An electronic endoscope system comprises a video-scope, an imaging device, and a black balance processor. The imaging device, which is provided on the video-scope, is exposed at a normal shutter speed so as to generate an image signal corresponding to an optical image that is formed thereon. The black balance processor generates a black balance value for adjusting the black balance of the image signal, based on a black image signal corresponding to a black image. The black image signal is generated by exposing the imaging device at a high shutter speed that is faster than the normal shutter speed.

REFERENCES:
patent: 5142359 (1992-08-01), Yamamori
patent: 5479204 (1995-12-01), Iwamatsu
patent: 6201571 (2001-03-01), Ota
patent: 6421078 (2002-07-01), Akai et al.
patent: 6879339 (2005-04-01), Ozawa
patent: 11-197103 (1999-07-01), None
English language Abstract of JP 11-197103.

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