Light source device for an endoscope

Details Light source device for an endoscope Light source device for an endoscope

1982-04-20

1983-11-22

Perkey, William B.

Surgery

Truss

Pad

354 33, 354 62, 128 6, 315151, 315241P, G03B 1505, G03B 2900, A61B 106, H05B 4114

Patent

active

044165242

ABSTRACT:
A photoreceptor is provided directly for receiving a light emitted from an electronic flash unit, and an output of the photoreceptor is supplied to a light emission amount calculating circuit. The light emission amount calculating circuit includes a light emission amount calculating constant setting device adapted to manually change a light emission amount calculating constant according to a photographing mode.

REFERENCES:
patent: 3601022 (1971-08-01), Langnau
patent: 3626827 (1971-12-01), Yanagi
patent: 3670722 (1972-06-01), Kosaka
patent: 4192597 (1980-03-01), Ting

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