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Bank card presence detection to avoid a wireless charger demagnetizing a bank card

  • US 9,608,470 B2
  • Filed: 11/27/2013
  • Issued: 03/28/2017
  • Est. Priority Date: 11/27/2013
  • Status: Expired due to Fees
First Claim
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1. A method for preventing demagnetization of a magnetically sensitive object, the method comprising the steps of:

  • detecting, by a first identification sensor at a wireless charging transceiver, a foreign object;

    determining, by a processor using information from the first identification sensor, whether data on the foreign object is magnetically sensitive;

    responsive to a determination by the processor that the data on the foreign object identifies the foreign object as being magnetically sensitive, preventing the wireless charging transceiver from operating; and

    responsive to an inconclusive determination, taking an action which is assigned as the default action for an inconclusive determination.

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