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Presence based system and method for controlling devices

  • US 9,483,934 B2
  • Filed: 12/26/2013
  • Issued: 11/01/2016
  • Est. Priority Date: 12/26/2012
  • Status: Active Grant
First Claim
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1. A presence based system comprising:

  • a smart device configured to operate at least one connected device;

    a locator comprises a directional antenna, wherein the locator is associated with a specific entrance to a subarea of a monitored area and configured to supervise an entrance to the subarea of a monitored area via said specific entrance,wherein the directional antenna having a beam width of less than 45 degrees and positioned such that a gain of the antenna in an area near the entrance at the side of the entrance facing said subarea is higher than the gain of the antenna close to the entrance at the outer side of the entrance, and that the gain of the antenna in the area near the entrance at the side of the entrance facing said subarea is higher than the gain of the antenna in locations distal from the entrance inside the subarea of a monitored area,wherein the smart device and the locator are configured to exchange, by the directional antenna, radio frequency (RF) signals to determine presence and location of the smart device within the subarea based on received RF signals and are further configured to determine the presence and location of the smart device within the subarea by detecting passing of the smart device through said area near said entrance at the side of the entrance facing said subarea; and

    wherein the smart device is configured to issue control commands to operate the at least one connected device based on a predefined scheme and on the presence of the smart device within the subarea.

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