Device for supplying light to endoscopes with rotary filter plat

Details Device for supplying light to endoscopes with rotary filter plat Device for supplying light to endoscopes with rotary filter plat

1990-02-23

1990-12-04

Henry, Jon W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

350317, 350274, 358 98, 358 42, 126 6, G02B 520, G02B 2324, G02B 2604, A61B 104

Patent

active

049749366

ABSTRACT:
In a device for supplying light to endoscopes, in particular video endscopes, the light is passed from a light source by way of a revolving filter plate with areas of primary colors, and a runner wheel, to a photoconductor of the endoscope, for illuminating an object to be examined, the colored image of which is passed to the video endoscope. The runner wheel rotates faster than the filter plate so that the beam of light on passing each transition from one colored area of the filter plate to another is covered by an opaque region of the runner wheel.

REFERENCES:
patent: 4165919 (1979-08-01), Little
patent: 4807026 (1989-02-01), Nishioka et al.
patent: 4816909 (1984-03-01), Kimura et al.
patent: 4866526 (1989-09-01), Ams et al.
patent: 4909600 (1990-03-01), Ciarlei et al.
patent: 4914556 (1990-04-01), Richardson

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