Camera viewing unit

Details Camera viewing unit Camera viewing unit

1989-10-03

1990-12-11

Brown, Brian W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

354 76, 354 81, 358 99, 358100, G03B 3700

Patent

active

049774182

ABSTRACT:
A camera viewing unit for use in viewing the interior of a high pressure vessel that has a CCTV camera spring mounted within a hermetically-sealed housing. The camera can be focused from outside the housing by a structure which moves the camera horizontally while the lens remains stationary. By moving the camera toward and away from the object to be viewed, the camera can be focused by the user at a location remote from the pressurized vessel. There is also a plate connected to the camera which can be rotated to thereby align the camera to ensure that a level image is obtained.

REFERENCES:
patent: 2744487 (1956-05-01), Moore et al.
patent: 3299851 (1967-01-01), Olsen
patent: 3837226 (1974-09-01), Kawawa
patent: 4245566 (1981-01-01), Shimansky et al.
patent: 4346404 (1982-08-01), Gantenbrink
patent: 4809862 (1989-03-01), Canty

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