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System and method for detecting the removal of a controlling device

  • US 10,154,307 B2
  • Filed: 02/14/2017
  • Issued: 12/11/2018
  • Est. Priority Date: 04/30/2012
  • Status: Active Grant
First Claim
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1. A system, comprising:

  • a controllable appliance having a wireless receiver and a first timer, wherein the first timer is used to measure a first plurality of timed intervals each having a first predetermined duration; and

    a controlling device having a wireless transmitter;

    wherein the controllable appliance further has a processing device and a memory in which is stored instructions executable by the processing device, wherein the instructions, when executed by the processing device, cause the controllable appliance to cause a status notification to be provided to a further device in communication with the controllable appliance when it is determined that at least one of the plurality of timed intervals has expired without a wireless signal originating from the wireless transmitter of the controlling device being received by the wireless receiver.

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