Voltage-supply circuit, voltage-supply method, power-supply...

Details Voltage-supply circuit, voltage-supply method, power-supply... Voltage-supply circuit, voltage-supply method, power-supply...

2005-03-01

2008-08-05

Dharia, Prabodh (Department: 2629)

Computer graphics processing and selective visual display system

Display driving control circuitry

Display power source

C345S204000, C345S213000, C345S215000

Reexamination Certificate

active

07408543

ABSTRACT:
A power-supply circuit includes a capacitor, which is connected to a terminal at a first end while being grounded at the second end, for supplying a hold voltage between both ends thereof to a load; a capacitor connected, via a diode, to the terminal at a first end; an operational amplifier for raising a voltage at the second end of the capacitor, in response to a reduction in the hold voltage, such that the hold voltage becomes equal to a target voltage; and a transistor.

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