Endoscope apparatus

Details Endoscope apparatus Endoscope apparatus

1984-02-21

1985-06-25

Coven, Edward M.

Surgery

Truss

Perineal

354 62, A61B 106

Patent

active

045247617

ABSTRACT:
The camera arranged at the eyepiece section of an endoscope has a photometric circuit for generating observation and photographing light control signals selectively to control the brightness of observation light and the amount of photographing light. The light supply unit has observation and photographing light control circuits, said observation light control circuit serving to control the amount of current supplied to the observation light source correspondingly to the observation light signal applied through the photometric circuit in the camera and said photographing light circuit serving to control the light irradiation time of the photographing light source or electronic flash tube correspondingly to the photographing light control signal.

REFERENCES:
patent: 3638543 (1972-02-01), Kando
patent: 3774072 (1973-11-01), Ogawa
patent: 4153356 (1979-05-01), Hama
patent: 4298256 (1981-11-01), Kawamura et al.
patent: 4310228 (1982-01-01), Terada
patent: 4325618 (1982-04-01), Hosoda
patent: 4349255 (1982-09-01), Takayama
patent: 4367024 (1983-01-01), Takayama
patent: 4398127 (1983-08-01), Bahn et al.

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