Reduced noise electric endoscope system

Details Reduced noise electric endoscope system Reduced noise electric endoscope system

1997-08-18

1999-12-28

Leubecker, John P.

Surgery

Endoscope

With camera or solid state imager

348 76, A61B 105

Patent

active

060074809

ABSTRACT:
An electronic endoscope system includes an electronic endoscope, and a video processor. The video processor transmits a clock signal to the electronic endoscope in order to generate a driving signal for driving a CCD provided therein. The clock signal transmitted from the video processor has a sinusoidal waveform, and the electronic endoscope has a circuit which generates the driving signal based on the clock signal transmitted from the video processor. The driving signal is a periodical signal having a rectangular waveform. Further, a signal transmission line, which transmits the driving signal from the circuit to the CCD, is inserted into and wound around a ferrite material.

REFERENCES:
patent: 4860095 (1989-08-01), Kimura et al.
patent: 5543831 (1996-08-01), Tsuji et al.
patent: 5569158 (1996-10-01), Suzuki et al.
patent: 5702345 (1997-12-01), Wood et al.

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