Photographing system for endoscope

Details Photographing system for endoscope Photographing system for endoscope

1980-10-03

1983-01-04

Adams, Russell E.

354132, G03B 2900

Patent

active

043670245

ABSTRACT:
A photographing system for an endoscope comprises an endoscope including a light guide and an image guide, a camera unit including a shutter button for producing an instruction signal for starting a photographing cycle and a mirror shutter for opening a light path of an image supplied from an image guide; and a light source unit including a photographing light source for producing photographing light, an observation light source for producing observation light and a reflective mirror for switching light supplied to the light guide from the observation light to the photographing light. The camera unit further includes a switch for producing a light path switching signal for operating the reflective mirror simultaneously with the depression of the shutter button and a switch closed by the mirror shutter released a predetermined period of time after the depression of the shutter button and producing a signal for energizing the photographing light source. Thus, in the light source unit the photographing light source is turned on after the reflective mirror is switched.

REFERENCES:
patent: 3599630 (1971-08-01), Sato et al.
patent: 4086583 (1980-10-01), Takahashi
patent: 4291961 (1981-09-01), Takayama

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