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Power saving circuit

Patent ·
OSTI ID:5812116
A circuit for selectively supplying current to the horizontal oscillator from one of two voltage sources. The first voltage source is primarily used to supply current to the horizontal output stage and supplies the oscillator only during startup of the horizontal deflection system. The second source is derived from a winding on the flyback transformer and supplies current to the oscillator after the startup period, that is, after its voltage or another or other voltages developed by sources derived from flyback windings have reached values sufficient to assure sustained operation of the horizontal deflection system. A startup detector responsive to a flyback-derived voltage determines which of the two voltage sources provides current at the output of the starting network, that is, at the power supply terminal of the horizontal oscillator.
Assignee:
GTE Sylvania Inc
Patent Number(s):
US 4188568
OSTI ID:
5812116
Country of Publication:
United States
Language:
English

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Related Subjects

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320303* -- Energy Conservation
Consumption
& Utilization-- Industrial & Agricultural Processes-- Equipment & Processes
ELECTRICAL EQUIPMENT
ELECTRONIC CIRCUITS
ELECTRONIC EQUIPMENT
ENERGY CONSERVATION
EQUIPMENT
OSCILLATORS
POWER DEMAND
SWITCHES