Television transmission

Details Television transmission Television transmission

1974-12-09

1976-10-26

Griffin, Robert L.

Telegraphy

Systems

Simplex-reversing periodic

178DIG3, 178DIG24, H04B 330

Patent

active

039885291

ABSTRACT:
A method of reducing the transmission bandwidth for television pictures is described in which the frame is divided into at least three fields each consisting of picture information from an apparently random distribution of picture elements and the transmitted signals are obtained by sampling the video output of a line scanned television camera as the scanning spot passes each of the picture elements. Usually no picture element will be sampled more than once during the formation of a complete frame and therefore each line scanning field contributing to the picture will consist of information from a different set of randomly distributed elements.

REFERENCES:
patent: 2940005 (1960-06-01), Toulon
patent: 3299204 (1967-01-01), Cherry et al.
patent: 3309461 (1967-03-01), Deutsch
patent: 3324237 (1967-06-01), Cherry et al.
patent: 3769452 (1973-10-01), Stone
patent: 3810174 (1974-05-01), Heald et al.

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