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Position and proximity detection systems and methods

  • US 9,658,068 B2
  • Filed: 10/07/2013
  • Issued: 05/23/2017
  • Est. Priority Date: 12/26/2000
  • Status: Expired due to Term
First Claim
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1. A method performed by a first mobile device in a first space in communication with a second mobile device in a second space, the method comprising:

  • detecting an occurrence of a proximity notification event defined by the second device;

    responsive to detection of the proximity event and determining a reply based on a location with respect to a destination or boundary point location; and

    communicating position with a notification from the first device to the second device and sending a notification to the second device.

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