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Wireless access control system including lock assembly generated magnetic field based unlocking and related methods

  • US 9,501,883 B2
  • Filed: 12/16/2015
  • Issued: 11/22/2016
  • Est. Priority Date: 03/17/2011
  • Status: Active Grant
First Claim
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1. A wireless access control system comprising:

  • a remote access wireless device to be carried by a user and comprising a remote housing, remote access wireless device wireless communications circuitry carried by said remote housing, a magnetic sensor carried by said remote housing, and a remote access wireless device controller coupled to said remote access wireless device wireless communications circuitry and said magnetic sensor;

    a lock assembly to be mounted on a door and comprising a lock, lock wireless communications circuitry, a magnetic field generator, a touch sensor, and a lock controller coupled to said lock, said lock wireless communications circuitry, said magnetic field generator, and said touch sensor;

    said lock controller configured tocommunicate, via said lock wireless communications circuitry, at least one magnetic field characteristic with said remote access wireless device wireless communications circuitry based upon said touch sensor, andcooperate with said magnetic field generator to generate a magnetic field based upon the at least one magnetic field characteristic;

    said remote access wireless device controller configured tocooperate with said magnetic sensor to sense the magnetic field,compare the sensed magnetic field to the at least one magnetic field characteristic, andcommunicate, via said remote access wireless device wireless communications circuitry and said lock wireless communications circuitry to enable unlocking of said lock when the sensed magnetic field has a sensed magnetic field characteristic that matches the at least one magnetic field characteristic.

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