Voltage regulator/active filter for television receiver

Details Voltage regulator/active filter for television receiver Voltage regulator/active filter for television receiver

1980-12-03

1982-05-25

Richardson, Robert L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

H04N 544

Patent

active

043319785

ABSTRACT:
Video display distortion in a television receiver introduced by input voltage excursions is compensated for by a voltage regulation circuit which tracks the changing input line voltage while automatically switching to an active filter mode once the line voltage has decreased to a predetermined level. This permits the removal of AC transients from the fluctuating input signal and avoids display degradation resulting therefrom.

REFERENCES:
patent: 3493685 (1970-02-01), Attwood
patent: 3752903 (1973-08-01), Newman et al.

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