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SYSTEMS AND METHODS TO CONTROL LOCKING AND UNLOCKING OF DOORS USING POWERLINE AND RADIO FREQUENCY COMMUNICATIONS

  • US 20160267736A1
  • Filed: 03/15/2016
  • Published: 09/15/2016
  • Est. Priority Date: 10/28/2013
  • Status: Abandoned Application
First Claim
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1. A battery-powered door lock control system operating remotely from a powerline and configured to interface with a mesh network, the system comprising:

  • a door lock controller configured to receive a door lock command, the door lock controller in communication with a door lock associated with an entry to a building to automatically move the door lock between a first locked position and a second unlocked position based at least in part on the door lock command; and

    a local receiver comprising a first antenna, a second antenna, and a radio frequency (RF) receiver, the local receiver configured to wirelessly detect with the first antenna a presence an electromagnetic field generated by a presence of a carrier signal that is added to a powerline waveform, the carrier signal comprising a first RF signal having a first frequency, the presence of the carrier signal indicating that a first message encoded with said door lock command using said first frequency is modulated onto the powerline;

    the local receiver further configured to receive with the second antenna a second message encoded with said door lock command via a second RF signal when the electromagnetic field is detected, the second RF signal having a second RF frequency different from the first RF frequency, the local receiver further configured to determine whether a device address of the second message is an assigned address and to send the door lock command to the door lock controller when the device address is the assigned address.

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