Electrical transmission or interconnection systems – Plural supply circuits or sources
Reexamination Certificate
2006-04-17
2008-08-19
Sherry, Michael J (Department: 2836)
Electrical transmission or interconnection systems
Plural supply circuits or sources
C307S064000, C307S085000, C307S112000
Reexamination Certificate
active
07414330
ABSTRACT:
A power switching device which is used to receive plenty of input voltage and output a switch voltage is provided. The device comprises a first switching unit, a second switching unit, and a self-bias unit. The power switching device outputs a switch voltage according to the outputs of the first switching unit and the second switching unit. The self-bias unit outputs a reference voltage to the second switching unit. The first switching unit outputs a first input voltage as the switch voltage according to a first enable signal. The second switching unit outputs a second input voltage as the switch voltage according to the reference voltage and a second enable signal.
REFERENCES:
patent: 5187396 (1993-02-01), Armstrong et al.
patent: RE36179 (1999-04-01), Shimoda
patent: 6853098 (2005-02-01), Jackson et al.
patent: 7176728 (2007-02-01), Kushnarenko
patent: 2003/0169024 (2003-09-01), Cook
Amrany Adi
Himax Technologies Limited
J.C. Patents
Sherry Michael J
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