Video split screen technique

Details Video split screen technique Video split screen technique

1981-01-30

1983-08-16

Martin, John C.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358180, H04N 522

Patent

active

043994628

ABSTRACT:
A technique is provided for simultaneously displaying on a television screen juxtaposed pictures from two independent image sources. The required picture compression is achieved by storing analog samples of the video signals in an analog memory at one frequency and retrieving the samples at a higher frequency for display. A 2 to 1 picture compression is attained, for example, by retrieving the samples at twice the frequency at which they are stored.

REFERENCES:
patent: 3982063 (1976-09-01), Brown et al.
patent: 4139860 (1979-02-01), Micic et al.
patent: 4266242 (1981-05-01), McCoy

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