Light source and exposure control device for endoscopic photogra

Details Light source and exposure control device for endoscopic photogra Light source and exposure control device for endoscopic photogra

1977-03-22

1978-04-25

Hix, L. T.

Surgery

Truss

Pad

128 6, G03B 2900, A61B 106

Patent

active

040865835

ABSTRACT:
An endoscopic photography system including a side shutter 4 for a light source 3, a camera 5 including means for closing the side shutter 4 before the camera shutter is opened, an MSMV 12 for delaying the side shutter opening and the cumulative object light integration until the light source has reached a maximum intensity, and a level detector 8 for closing the side shutter to terminate the photographic exposure when the integrated light quantity signal reaches a predetermined value.

REFERENCES:
patent: 3599630 (1971-08-01), Sato et al.

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