Contactless integrated circuit with high-efficiency...

Details Contactless integrated circuit with high-efficiency... Contactless integrated circuit with high-efficiency...

2006-12-07

2009-08-25

Nguyen, Tony T (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

C455S403000, C455S109000, C455S205000, C455S226100

Reexamination Certificate

active

07580694

ABSTRACT:
A circuit and method for supplying an electronic circuit with a direct supply voltage using high frequency antenna signals. The method includes producing a primary direct voltage equal to a fraction of the supply voltage using at least one antenna signal, producing at least two pumping signals having a frequency lower than the frequency of the antenna signals by means of an oscillator electrically powered by the primary voltage and boosting the primary voltage by means of a charge pump driven by the pumping signals, to obtain the supply voltage.

REFERENCES:
patent: 4850035 (1989-07-01), Schiller
patent: 5982647 (1999-11-01), Martin et al.
patent: 2002/0056865 (2002-05-01), Sadayuki
patent: 2002/0072342 (2002-06-01), Charrat
patent: 2002/0077061 (2002-06-01), Charrat

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