Synchronizing circuit adaptable for various TV standards

Details Synchronizing circuit adaptable for various TV standards Synchronizing circuit adaptable for various TV standards

1980-07-17

1982-02-16

Richardson, Robert L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

H04N 506

Patent

active

043162193

ABSTRACT:
A sync generator uses ROMs addressed by counters to synthesize various television sync waveforms. The ROMs can be changed or reprogrammed to generate sync signals for different standards. By dividing the sync signals into four intervals which are selected by paging signals from one counter, a reduction in required ROM capacity is achieved.

REFERENCES:
patent: 4007486 (1977-02-01), Inaba et al.
patent: 4169659 (1979-10-01), Marlowe
patent: 4246609 (1981-01-01), Van Der Valk

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