Illumination optical system for an endoscope

Details Illumination optical system for an endoscope Illumination optical system for an endoscope

1980-07-24

1983-11-15

Corbin, John K.

350 9610, G02B 514, G02B 2300

Patent

active

044152400

ABSTRACT:
An illumination optical system for an endoscope in which, by arranging a cylindrical reflection member between a light guide and a lens system, a distribution curve of luminous intensity is improved with the effective utilization of illumination light and yet the formation of the image of the light guide end face on the object surface is obviated, thereby enabling attainment of a uniform illumination over the object surface.

REFERENCES:
patent: 2589569 (1952-03-01), Peter et al.
patent: 3157089 (1964-11-01), Menefee

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