07925308 is referenced by 164 patents and cites 20 patents.

A system for powering a mobile device having an energy harvester which receives wireless energy and converts the energy into current includes a first portal in which wireless energy is transmitted for the energy harvester of the mobile device to receive and convert it into current when the device is in the first portal. The system comprises a second portal separate and apart from the first portal with a gap between the first portal and the second portal, the second portal in which wireless energy is transmitted for the energy harvester of the mobile device to receive and convert it into current after the device has passed through the first portal and the gap and is in the second portal. A method for powering a mobile device having an energy harvester which receives wireless energy and converts the energy into current is also disclosed.

Title
Radio-frequency (RF) power portal
Application Number
11/601142
Publication Number
7925308 (B2)
Application Date
November 17, 2006
Publication Date
April 12, 2011
Inventor
John G Shearer
Ligonier
PA, US
Daniel W Harrist
Carnegie
PA, US
Charles E Greene
Pittsburgh
PA, US
Assignee
Powercast Corporation
PA, US
IPC
H04B 1/16
H04B 1/38
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