Scanning TV camera

Details Scanning TV camera Scanning TV camera

1976-04-19

1977-05-17

Richardson, Robert L.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358108, 358199, 358206, 358225, H04N 718

Patent

active

040245730

ABSTRACT:
A TV camera is adapted to scan a field that may extend almost 360.degree. around the camera, except for the angular area obscured by the camera body, by means of a double dove prism mounted for rotation in front of the camera lens on an axis that is normal to the optical axis of the lens. The double dove, which has an internal reflective surface, reflective on both sides, at the interface of the two dove portions, is oscillated by drive means to sweep continuously back and forth a selected angular amount less than 180.degree. to cover a scan field of twice that angular amount, so that some portion of the scanned field is always in the field of view of the camera.

REFERENCES:
patent: 3780224 (1973-12-01), Levine
patent: 3889052 (1975-06-01), Back

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