Method and apparatus for wireless powering and recharging
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Oct 3, 2000
Grant Date -
N/A
app pub date -
May 14, 1999
filing date -
May 14, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An arrangement is provided for charging a charge storage device by placing the charge storage device in an RF or microwave radiation field. One or more antennas which receive the radiated RF electromagnetic field are placed on the charge storage device. Rectifiers connected to the antennas rectify the received RF electromagnetic field an produce a DC output current which is used to charge the charge storage device. The charge storage device may be a battery or a capacitor and may form an integral part of an electronic device. The same RF field that charges the charge storage device can also be employed to communicate data to transponders which may be associated with computing devices.
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