Power supply switching-regulator particularly for television rec

Details Power supply switching-regulator particularly for television rec Power supply switching-regulator particularly for television rec

1981-06-30

1983-06-07

Martin, John C.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

315411, H04N 318, H01J 2970

Patent

active

043873995

ABSTRACT:
Switch-mode power supply generating a variable pulse-width modulating signal by digital control techniques synchronized with the horizontal line rate of the receiver. Logic circuits operating against fixed references provide overload and short-circuit protection by rapidly decreasing the variable pulse-width signal duration during various fault conditions.

REFERENCES:
patent: 3970919 (1976-07-01), Butcher

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