Electricity: battery or capacitor charging or discharging – Cell or battery charger structure – Charger inductively coupled to cell or battery
Reexamination Certificate
2006-07-28
2009-06-16
Tso, Edward (Department: 2838)
Electricity: battery or capacitor charging or discharging
Cell or battery charger structure
Charger inductively coupled to cell or battery
C320S114000, C320S115000
Reexamination Certificate
active
07548040
ABSTRACT:
This disclosure relates to wireless battery charging of electronic devices such as wireless headsets/headphones. In one embodiment, an electronic device is provided comprising a speaker comprising a coil, and the coil is operative both to cause the speaker to produce sound and to receive energy transferred to the coil via inductive coupling. The received energy is used to recharge a rechargeable battery in the electronic device. In other embodiments, the coil used to receive the energy that recharges the battery is received by a coil other than the coil in the speaker.
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Collmeyer Arthur J.
Lee Thomas H.
Wong Dickson T.
Boateng Alexis
Brinks Hofer Gilson & Lione
Tso Edward
ZeroG Wireless, Inc.
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