Photographing light quantity controller for endoscope

Details Photographing light quantity controller for endoscope Photographing light quantity controller for endoscope

1991-08-21

1993-03-02

Gellner, Michael L.

Illumination

Supported by vehicle structure

Condition responsive

362 4, G03B 2900

Patent

active

051913690

ABSTRACT:
A photographing light quantity controller for an endoscope, which is used to control the quantity of illuminating light when a photograph is to be taken through the endoscope. The photographing light quantity controller comprises a device for supplying light for illuminating an object to the endoscope, a device for detecting a quantity of light that is reflected from the object and for outputting a signal in accordance with the detected quantity of light, and a device for amplifying the signal, with the amplifying device having a plurality of amplification factors which can be selected as desired. A photographing light quantity control device is provided for controlling the quantity of illuminating light that is supplied to the endoscope when a photographing operation is conducted, on the basis of the output signal from the amplifying device. A device is also provided for automatically switching over the amplification factors of the amplifying device from one to another in accordance with the brightness of the object.

REFERENCES:
patent: 5115261 (1992-05-01), Noda et al.

Affiliated with

Also associated with

Rating

Photographing light quantity controller for endoscope does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Photographing light quantity controller for endoscope, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Photographing light quantity controller for endoscope will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-129670