Endoscope

Details Endoscope Endoscope

1986-08-12

1987-07-21

Britton, Howard W.

Facsimile and static presentation processing

Static presentation processing

Attribute control

128 4, H04N 718, A61B 104

Patent

active

046822194

ABSTRACT:
An endoscope includes in the viewing head of its insertable section into a cavity of a living body an image sensor for generating a video signal which in turn is transmitted to a television display to be visualized thereon as a television picture. The image sensor with a shape such as a plate is located in a plane containing the longitudinal center line of the viewing head. In the present endoscope, a prism to be cemented to the image sensor is shielded in the periphery thereof by a light shielding material except for an image pick-up light path which is so positioned as to face the image area of the image sensor, whereby any lights other than a light contributing to forming an image are prevented from entering the image sensor.

REFERENCES:
patent: 4491865 (1985-01-01), Danna et al.
patent: 4519391 (1985-05-01), Murakoshi
patent: 4573450 (1986-03-01), Arakawa
patent: 4622954 (1986-11-01), Arakawa et al.

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