Digital device for synchronizing and decoding coded signals

Details Digital device for synchronizing and decoding coded signals Digital device for synchronizing and decoding coded signals

1981-01-19

1982-02-23

Miller, Charles D.

Communications: electrical

Audible indication

Percussion-type sound producer

375110, H03K 1324

Patent

active

043171117

ABSTRACT:
A digital device generates a local frequency and phase signal adapted for the conversion of one of a plurality of codified signals into binary code. The received codified signals are continuously stored in a shift register which is able to contain the signals received in a predetermined period at a time. The output of the shift-register addresses a memory. At predetermined instances of time the memory produces a control word which is input to a counter dependent on the phase of the received signals stored in the shift register. The counter activates output signals at predetermined instances of time in order to produce a local signal in synchronism with the received signal.

REFERENCES:
patent: 3349389 (1967-10-01), Simanavicius
patent: 3705398 (1972-12-01), Kostenbauer
patent: 3859655 (1975-01-01), Van Duuren

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