Energy saving power supply circuit

Details Energy saving power supply circuit Energy saving power supply circuit

2007-09-20

2010-06-01

Vu, David Hung (Department: 2821)

Electric lamp and discharge devices: systems

Periodic switch in the supply circuit

Silicon controlled rectifier ignition

C315S225000, C315SDIG002

Reexamination Certificate

active

07728527

ABSTRACT:
A power supply circuit includes a power supply input for receiving power from a power supply, a power supply output for supplying power to a load, a voltage reference circuit, and a switch circuit. The voltage reference circuit is connected between the power supply input and the power supply output for regulating voltage of the power supply circuit. The switch circuit is connected to the voltage reference circuit and the power supply output. The voltage reference circuit supplies regulated voltage to the switch circuit. The switch circuit controls current between the power supply input and the power supply output to be changed alternately at a certain frequency, thereby changing power output to the load to save electricity.

REFERENCES:
patent: 4172981 (1979-10-01), Smith
patent: 4821166 (1989-04-01), Albach
patent: 7279853 (2007-10-01), Chong

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