Electricity: power supply or regulation systems – Input level responsive – Using a linearly acting final control device
Reexamination Certificate
2006-11-14
2008-11-25
Vu, Bao Q (Department: 2838)
Electricity: power supply or regulation systems
Input level responsive
Using a linearly acting final control device
C323S266000, C323S268000, C323S299000
Reexamination Certificate
active
07456625
ABSTRACT:
As for a transistor, overlapped are factors such as a variation of a gate insulation film which occurs due to a difference of a manufacturing process and a substrate used and a variation of a crystalline state in a channel forming region and thereby, there occurs a variation of a threshold voltage and mobility of a transistor.This invention provides an electric circuit which used a rectification type device in which an electric current is generated only in a single direction, when an electric potential difference was applied to electrodes at both ends of the device. Then, the invention provides an electric circuit which utilized a fact that, when a signal voltage is inputted to one terminal of the rectification type device, an electric potential of the other terminal becomes an electric potential offset only by the threshold voltage of the rectification type device.
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Office Action (application No. 03100794.5; CN6186) dated Oct. 13, 2006.
Kimura Hajime
Watanabe Yasuko
Fish & Richardson P.C.
Semiconductor Energy Laboratory Co,. Ltd.
Vu Bao Q
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