Endoscope apparatus

Details Endoscope apparatus Endoscope apparatus

2005-06-15

2009-06-23

An, Shawn (Department: 2621)

Television

Special applications

With endoscope

C348S069000, C348S068000, C348S071000, C348S076000, C348S074000, C348S077000, C600S118000, C600S109000, C600S160000, C600S117000, C600S122000, C600S114000

Reexamination Certificate

active

07551196

ABSTRACT:
A drive signal from an SSG drives a CCD through a delay circuit and the like. An imaging signal from the CCD is converted to a video signal in a CDS circuit, which is driven by a sample hold signal given through the delay circuit, and is converted to a video signal that can be displayed on a monitor through an A/D converter circuit, a video signal processing circuit and a digital encoder to be output. Here, by correcting phases of the imaging signal and the sample hold signal, length of a signal line is corrected. Also, since the delay circuit is constructed by being incorporated in a DSP for video signal processing, which includes a video signal processing circuit and the like, the construction is simplified. Thus, the number of parts is reduced, and it can be constructed inexpensively.

REFERENCES:
patent: 4831444 (1989-05-01), Kato
patent: 4845555 (1989-07-01), Yabe et al.
patent: 5521639 (1996-05-01), Tomura et al.
patent: 5585840 (1996-12-01), Watanabe et al.
patent: 5604530 (1997-02-01), Saito et al.
patent: 5627583 (1997-05-01), Nakamura et al.
patent: 5913817 (1999-06-01), Lee
patent: 6120435 (2000-09-01), Eino
patent: 6397374 (2002-05-01), Pasqualini
patent: 6-269404 (1994-09-01), None
patent: 9-191556 (1997-07-01), None
patent: 2694753 (1997-09-01), None

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