Method for compressing then expanding a television signal

Details Method for compressing then expanding a television signal Method for compressing then expanding a television signal

1976-03-23

1978-01-10

Britton, Howard W.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 15, 358133, 360 22, H04N 579

Patent

active

040682587

ABSTRACT:
The present invention relates to methods which make it possible to partially eliminate the redundancy in television signals. It consists in splitting the spectrum of the video signal into two parts, one containing the low frequencies, this being transmitted integrally, and the other containing the high frequencies, this being transmitted once every n times and being repeated n-1 times at reception.

REFERENCES:
patent: 2629010 (1953-02-01), Graham
patent: 2941032 (1960-06-01), Geiger
patent: 3159711 (1964-12-01), Schut
patent: 3366739 (1968-01-01), Parkinson
patent: 3614333 (1971-10-01), Iwata
patent: 3869712 (1975-03-01), Camras
patent: 3872498 (1975-03-01), Pritchard
patent: 3934264 (1976-01-01), Dann
patent: 3938180 (1976-02-01), Arimura
RCA TN No.: 152; 1958.

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