Back to results
US 2010/0007400 A1Published application
Power supply circuit for pulse width modulation controller
AssigneeHon Hai Precision Industry Co., Ltd.
InventorsHUA ZOU, FENG-LONG HE
Life of this patent
Estimating the term…
Abstract
A power supply circuit for a pulse width modulation controller includes a first resistor and an electric switch having first, second, and third terminals. The first terminal is capable of receiving a control signal of a computer. The second terminal is connected to a stand-by power supply of the computer. The third terminal is connected to the pulse width modulation controller via the first resistor.
Claims14
A power supply circuit for a pulse width modulation controller, comprising:
- a first resistor;
- and
- an electric switch comprising:
- a first electric switch terminal capable of receiving a control signal of a computer;
- a second electric switch terminal connected to a stand-by power supply of the computer;
- and
- a third electric switch terminal connected to the pulse width modulation controller via the first resistor.
4 more elements
A method for supplying power to a pulse width modulation controller, comprising:
- providing a first resistor and an electric switch, wherein the switch comprises first, second and third terminals;
- the first terminal is connected to a computer to receive a control signal, the second terminal is connected to a stand-by power supply of the computer, and the third terminal is connected to the pulse width modulation controller via the first resistor;
- receiving a control signal of the computer by the first terminal;
- supplying power to the pulse width modulation controller via the third terminal and first resistor on a condition that the control signal is at a low level when the computer is being wakened.
1 more element
Dependencies are inferred from the claim text.