Circuit arrangement for synchronizing an output signal in accord

Details Circuit arrangement for synchronizing an output signal in accord Circuit arrangement for synchronizing an output signal in accord

1975-05-07

1977-05-17

Martin, John C.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

331 18, 331 20, H04N 512, H03B 306

Patent

active

040243435

ABSTRACT:
Synchronizing circuit arrangement, for example for line synchronization in a television receiver, including digital means, the frequency of the oscillator being twice that of the signal to be synchronized. A frequency divider circuit, for example a master-slave flipflop, produces two output signals one of which serves as a reference signal for the phase discriminator whilest the other is applied together with the input signal of the circuit to a coincidence stage.

REFERENCES:
patent: 2697131 (1954-12-01), Baroch
patent: 3127570 (1964-03-01), Smeulers
patent: 3567857 (1971-03-01), Lynn
patent: 3567861 (1971-03-01), Webb
patent: 3641258 (1972-02-01), Steckler
patent: 3821470 (1974-06-01), Merrell
patent: 3863080 (1975-01-01), Steckler
patent: 3904823 (1975-09-01), VanSstraaten

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