×

Method for controlling access in a system compressing a portable device associated with a user and an access control device

  • US 10,249,122 B1
  • Filed: 10/23/2018
  • Issued: 04/02/2019
  • Est. Priority Date: 10/27/2017
  • Status: Active Grant
First Claim
Patent Images

1. A method for controlling access in a system comprising a portable device associated with a user and an access control device, the access control device having a locked and an unlocked state, wherein the portable device and the access control device are configured to wirelessly communicate with each other, the method comprising:

  • pairing the portable device and the access control device,upon the portable device detecting proximity to the access control device, determining at the portable device a signal strength over time of a signal received from the access control device,comparing the determined signal strength over time with a previously determined reference signal strength profile, andupon the determined signal strength over time being considered congruent with the reference signal strength profile, controlling the access control device;

    upon the access control device changing state from the locked state to the unlocked state, recording or updating at the portable device at least a portion of the determined signal strength over time as a reference signal strength profile.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×