Display unit

Details Display unit Display unit

1985-02-27

1987-07-14

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358142, 358146, H04N 7087, H04N 708

Patent

active

046806296

ABSTRACT:
A display unit capable of simultaneously displaying motion pictures, still pictures and character data received in a multiplexed form on a single input terminal. A decoder distributes the motion picture data directly to a motion picture data memory without modification, while a processing device receives the still picture and character data from the decoder and processes it before applying it to a still picture and character data memory. The outputs of the two memories are ORed together, then applied to drive a cathode-ray tube.

REFERENCES:
patent: 3749831 (1973-07-01), Simpkins
patent: 4148074 (1979-04-01), Stakhov
patent: 4288809 (1981-09-01), Yabe
patent: 4388639 (1983-06-01), Cox et al.
patent: 4388645 (1983-06-01), Cox et al.
The TIFAX XM11 Teletext Decoder; by Bryan Norris & Garry Garrard, pp. 1-19.

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