Adaptable power supply circuit

Details Adaptable power supply circuit Adaptable power supply circuit

2005-07-13

2009-10-20

Trinh, Sonny (Department: 2618)

Telecommunications

Transmitter and receiver at separate stations

Near field

C455S041200, C455S572000

Reexamination Certificate

active

07606532

ABSTRACT:
A power supply circuit and a transponder having a circuit for rectifying an A.C. voltage and two power storage elements, the rectifying circuit providing a rectified voltage to at least one of the storage elements and an output voltage being provided by at least one of the storage elements, and at least one switching element for switching the circuit operation between a state of provision of a relatively high voltage and a state of provision of a relatively low voltage, the second state configuring the rectifying circuit in halfwave operation.

REFERENCES:
patent: 4222096 (1980-09-01), Capewell
patent: 6604055 (2003-08-01), Burkett et al.
patent: 6664817 (2003-12-01), Nakata et al.
patent: 7161307 (2007-01-01), Chen
patent: 7183839 (2007-02-01), Saito
patent: 7308249 (2007-12-01), Rizzo et al.
patent: 2004/0104809 (2004-06-01), Rizzo et al.
patent: 2006/0034109 (2006-02-01), Benabdelaziz et al.
French Search Report from French Patent Application No. 04/51511, filed Jul. 13, 2004.

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