Inrush current start-up circuit for a television receiver

Details Inrush current start-up circuit for a television receiver Inrush current start-up circuit for a television receiver

1976-12-15

1978-11-28

Murray, Richard

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

H04N 318

Patent

active

041278755

ABSTRACT:
A start-up circuit for a television receiver includes a circuit for rectifying the AC line voltage and a filter for providing a smoothed DC voltage. When the receiver is turned on, an initial interval exists in which inrush current flows into the filter. A magnetically coupled winding of an inductor in the path of the inrush current develops an alternating current potential during the initial interval. This potential is rectified and provides a start-up operating voltage for the television receiver.

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