Digital television system

Details Digital television system Digital television system

1975-07-24

1977-05-31

Griffin, Robert L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358136, H04N 712

Patent

active

040273318

ABSTRACT:
A digital transmission system for television signals in which signals are transmitted only in respect of picture elements which differ from those in the preceding frame, the signals being in differential pulse code modulation form and means is provided for smoothing the transistion between those parts of a frame which are to be updated by the signals and those parts which are unchanged.

REFERENCES:
patent: 3715483 (1973-02-01), Limb
patent: 3716667 (1973-02-01), Connor
patent: 3720786 (1973-03-01), Cutter

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