Foreign object detection for ferromagnetic wire-like objects

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United States of America Patent

PATENT NO RE49641
SERIAL NO

17534926

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Abstract

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Systems and methods are described for improving foreign object detection for ferromagnetic wire-like objects. In particular, aspects include increasing FOD sensitivity using at least one inductive sense loop in response to detecting a change in resistance that is substantially equal to the change in reactance of a sense coil. By increasing the FOD sensitivity, objects such as ferromagnetic wire-like objects can be detected that are potentially hazardous objects. Detecting these potentially hazardous objects that were previously undetectable can reduce the chances of damage to surrounding materials or harm to humans.

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Patent Owner(s)

Patent OwnerAddress
WITRICITY CORPORATION57 WATER STREET WATERTOWN MA 02472

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Daetwyler, Andreas Muhen, CH 32 682
Sieber, Lukas Olten, CH 105 15487
Widmer, Hans Peter Wohlenschwil, CH 57 672

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