Apparatus for decoding scrambled television and similar transmis

Details Apparatus for decoding scrambled television and similar transmis Apparatus for decoding scrambled television and similar transmis

1976-10-15

1978-06-13

Buczinski, S. C.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358118, 358122, H04N 144

Patent

active

040952584

ABSTRACT:
This disclosure deals with a novel scrambled television decoding system for modulation-suppressed trains of synchronizing signals at a predetermined line rate, in which the demodulating circuits produce an advanced modulation frequency signal synchronized with a selected reference first equalizing pulse to control the gain of the received scrambled television signals and correspondingly to restore the suppressed synchronizing signals to reconstitute the unscrambled television signal.

REFERENCES:
patent: 2705740 (1955-04-01), Druz
patent: 3081376 (1963-03-01), Loughlin et al.
patent: 3184537 (1965-05-01), Court et al.
patent: 3729576 (1973-04-01), Court
patent: 3813482 (1974-05-01), Blonder

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