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User identification and location determination in control applications

  • US 9,602,172 B2
  • Filed: 09/05/2013
  • Issued: 03/21/2017
  • Est. Priority Date: 09/05/2012
  • Status: Active Grant
First Claim
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1. A system for providing individualized control, the system comprising:

  • (a) an NFC tag encoding encoded information comprising a tag ID, control system information and one or more payloads, each of the one or more payloads further comprising an action; and

    (b) a portable electronic device identified by a user ID and comprising an NFC interface, a network interface, a display, a memory encoding one or more processor-executable instructions and a processor configured to load the one or more processor-executable instructions when encoded from the memory, wherein the one or more processor-executable instructions, when executed by the processor, cause acts to be performed comprising;

    (i) reading the encoded information from the NFC tag via the NFC interface of the portable electronic device,(ii) selecting a desired action from one of the one or more payloads,(iii) establishing communication with a control processor corresponding to the control system information via the network interface, including;

    (1) receiving, from each of at least three beacons, a transmission signal strength of a signal transmitted by that beacon,(2) determining, for each of the at least three beacons, a received signal strength of the signal transmitted by that beacon, and(3) estimating, for each of the at least three beacons, a distance between the portable electronic device and that beacon based on a difference between the transmission signal strength and the received signal strength of the signal transmitted by that beacon,(4) selecting a nearest one of the at least three beacons based on the distances estimated from the transmission signal strength and the received signal strength of the at least three beacons, and(5) transmitting the user ID and location of the portable electronic device to the control processor via the selected beacon, and(iv) transmitting the desired action to the control processor via the selected beacon.

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