Special program decoding of scrambled subscription television tr

Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry

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Details

320 13, 320 37, 320 38, 34082531, 358115, 455349, H04N 716, H04K 100

Patent

active

045675163

ABSTRACT:
This disclosure is concerned with a limited time operative decoder for special scrambled television program transmissions involving a voltage source for energizing the decoder of limited time effectiveness adapted to energize the decoder only during the limited time of the special scrambled television program.

REFERENCES:
patent: 3560802 (1971-02-01), Mountjoy et al.
patent: 3813482 (1974-05-01), Blonder
patent: 4084123 (1978-04-01), Lineback
patent: 4095258 (1978-06-01), Sperber
patent: 4099203 (1978-07-01), Garodnick et al.
patent: 4325078 (1982-04-01), Seaton et al.

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