Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1988-09-01
1989-07-18
Coles, Sr., Edward L.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358147, 358165, H04N 708, H04N 7087, H04N 324
Patent
active
048498181
ABSTRACT:
A television set with videotext and/or teletext decoders having character generators which are synchronized by the deflection generators of the television set and in which audio will be forwarded only when an authorized television signal is being received and in that a memory in the decoder will be accessible to display a recognizable image even when the television transmitter is turned off.
REFERENCES:
patent: 3549795 (1970-12-01), Mullin
patent: 4435729 (1984-03-01), Harwood et al.
patent: 4633297 (1986-12-01), Skerlos et al.
patent: 4677488 (1987-06-01), Zato
Hartmann Uwe
Mai Udo
Ohnemus Fritz
Coles Sr. Edward L.
Deutsche Thomson-Brandt GmbH
Fogiel Max
Parker Michael D.
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