Power-supply apparatus for powering a control circuit for contro

Details Power-supply apparatus for powering a control circuit for contro Power-supply apparatus for powering a control circuit for contro

1994-11-21

1997-10-07

Hecker, Stuart N.

Electricity: power supply or regulation systems

Starting circuits

323232, G05F 1652

Patent

active

056752440

ABSTRACT:
Power-supply apparatus for powering a control circuit for controlling a power switch component, the apparatus powering said circuit from the voltage across the terminals of the component in the off state, and including an energy-storage capacitor, said apparatus further including means for charging said energy-storage capacitor during the periods in which said component is on.

REFERENCES:
patent: 3928776 (1975-12-01), Thiele
patent: 4370701 (1983-01-01), Western
patent: 4504778 (1985-03-01), Evans
patent: 4638226 (1987-01-01), Damiano et al.
patent: 4962349 (1990-10-01), Albach et al.

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