Electronic endoscope

Details Electronic endoscope Electronic endoscope

1997-05-23

2000-11-28

Britton, Howard

Television

Special applications

With endoscope

348 71, A62B 104

Patent

active

061542482

ABSTRACT:
An electronic endoscope has an image sensor for converting an optical image into analog electric image-pixel signals, and an analog-to-digital converter for converting the analog electric image-pixel signals into digital electric image-pixel signals on the basis of a first series of clock pulses. A number of the converted digital electric image-pixel signals included in a one-horizontal-scanning-line being is based upon a frequency of the first series of clock pulses. The endoscope has a pixel-number converter for converting the number of the converted digital electric image-pixel signals into another number of digital image-pixel signals so as to enable the digital electric image-pixel signals to be externally outputted on the basis of a second series of clock pulses having a frequency different from that of the first clock pulses.

REFERENCES:
patent: 5130935 (1992-07-01), Takiguchi
patent: 5303060 (1994-04-01), Iwamura et al.
patent: 5408265 (1995-04-01), Sasaki
patent: 5485203 (1996-01-01), Nakamura et al.
patent: 5515449 (1996-05-01), Tsuruoka et al.
patent: 5657082 (1997-08-01), Harada et al.
patent: 5812187 (1998-09-01), Watanabe

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