Energy harvesting circuit

Details Energy harvesting circuit Energy harvesting circuit

2006-08-01

2006-08-01

Phan, Tho (Department: 2821)

Electricity: battery or capacitor charging or discharging

Wind, solar, thermal, or fuel-cell source

C320S104000, C320S108000, C343S701000, C343S703000

Reexamination Certificate

active

07084605

ABSTRACT:
A station having a means for receipt of ambient energy from the environment and energizing power storage devices of objects of interest comprising one or more antennae and circuitry for converting said ambient energy into DC power for energizing said power storage devices. The circuitry for converting the ambient energy into DC power may include a rectifier/charge pump. The antenna of the station is tuned to maximize DC energy at the output of the rectifier/charge pump. The station can be used to energize power storage devices including capacitors and batteries that are used in electronic devices, such as cell phones, cameras, PDAs. Various antenna constructions may be employed.

REFERENCES:
patent: 4724427 (1988-02-01), Carroll
patent: 4857893 (1989-08-01), Carroll
patent: 5296866 (1994-03-01), Sutton
patent: 6127799 (2000-10-01), Krishnan
patent: 6289237 (2001-09-01), Mickle et al.
patent: 6373447 (2002-04-01), Rostoker et al.
patent: 6615074 (2003-09-01), Mickle et al.

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