TV system for endoscopes

Details TV system for endoscopes TV system for endoscopes

1992-10-16

1995-02-21

Chin, Tommy B.

Television

Special applications

With endoscope

348 65, 348 71, 128 4, 128 6, H04N 710, H04N 718

Patent

active

053920678

ABSTRACT:
A TV system for endoscopes is configured to connect to a fiber scope using an image guide fiber bundle and a rigid endoscope using a relay lens system. An image is formed by either the fiber scope or the rigid endoscope on a TV monitor. The camera control unit controls a level of the color difference signal in accordance with spatial frequency components contained in the TV signal. A variable switching unit is provided which allows the electrical circuits of the camera control unit to function selectively in accordance with the characteristics of the image transmission system.

REFERENCES:
patent: 4807025 (1989-02-01), Eino et al.
patent: 4856495 (1989-08-01), Tohjoh et al.
patent: 4930861 (1990-06-01), Okabe et al.
patent: 4977450 (1990-12-01), Yokota
patent: 4988171 (1991-01-01), Yokota
patent: 5050974 (1991-09-01), Takasuki et al.
patent: 5091795 (1992-02-01), Nishioka et al.
patent: 5233416 (1993-08-01), Inoue
patent: 5237446 (1993-08-01), Takahashi
patent: 5270825 (1993-12-01), Takasugi

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