Voltage selection circuit

Details Voltage selection circuit Voltage selection circuit

2006-12-21

2009-02-17

Wells, Kenneth B. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Converging with plural inputs and single output

C327S408000

Reexamination Certificate

active

07492210

ABSTRACT:
A first switch circuit includes first and second N-type MOSFETs. A second switch circuit includes third and fourth N-type MOSFETs. A control signal is input to a first inverter and a third inverter, the output of the first inverter input to a second inverter and the gate of the fourth MOSFET, the output of the second inverter input to the gate of the first MOSFET, the output of the third inverter input to a fourth inverter and the gate of the third MOSFET, the output of the fourth inverter input to the gate of the second MOSFET. A first input voltage is connected to the source of the second MOSFET and the sources of N-type MOSFETS in the third and fourth inverters. A second input voltage is connected the source of the fourth MOSFET and the sources of N-type MOSFETS in the first and second inverters.

REFERENCES:
patent: 6160437 (2000-12-01), Kim
patent: 6882211 (2005-04-01), Kozaki
patent: 7030658 (2006-04-01), Murakami et al.
patent: 29513492 (1995-10-01), None
patent: 10-084271 (1998-03-01), None
patent: 2003-032090 (2003-01-01), None
European Patent Office Search Report, Application No. 06126890.0-1233 by Sanyo Electronic Co., Ltd.et al., Search Report dated May 3, 2007.

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