Monitoring camera

Details Monitoring camera Monitoring camera

1980-11-21

1982-08-24

Richardson, Robert L.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358100, 358108, 358229, H04H 718

Patent

active

043464041

ABSTRACT:
A monitoring camera is installed in a wall of a submersible pressure vessel, such as a bathyscaphe. The camera includes a front portion having a front optic with a lens located at the interior of the vessel, and a rear portion. The lens sealingly covers the front portion and projects slightly into the interior of the vessel from its wall. A second lens spaced from the first lens is mounted in the front portion of the camera. These lenses are spaced from one another. A capillary channel is formed in the front portion, which channel extends from a space between the lenses toward outside the pressure vessel. The channel serves to permit helium eventually collected in said space to escape from the camera.

REFERENCES:
patent: 3021385 (1962-02-01), Summerhayes, Jr. et al.
patent: 3021386 (1962-02-01), Clark

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