Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Reexamination Certificate
2008-07-29
2008-07-29
Le, Dinh T. (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
C235S435000
Reexamination Certificate
active
11498704
ABSTRACT:
A Provided is an electronic device in which: alternating current power from an RF coil which receives an electromagnetic wave and converts the electromagnetic wave into power is rectified by a diode and a first capacitor; the power is stepped up by a charge pump type step-up circuit; the power stepped up by the step-up circuit is stored in a second capacitor by a charging and discharging circuit; and the stored power is supplied from the charging and discharging circuit to an RF transmission circuit.
REFERENCES:
patent: 5491445 (1996-02-01), Moller et al.
patent: 5677874 (1997-10-01), Yamano
patent: 6856838 (2005-02-01), Parramon et al.
patent: H11-055165 (1999-02-01), None
Minami Yukimasa
Utsunomiya Fumiyasu
Yoshida Yoshifumi
Le Dinh T.
Seiko Instruments Inc.
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