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Positioning device, communication device, and positioning system for reduction of power consumption

  • US 10,539,668 B2
  • Filed: 02/10/2017
  • Issued: 01/21/2020
  • Est. Priority Date: 02/26/2016
  • Status: Active Grant
First Claim
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1. A positioning device comprising:

  • a communication control unit configured to control a communication unit to communicate with a communication device, wherein the communication device transmits a radio signal including identification information; and

    a distance measurement control unit configured to control a distance measurement unit to carry out measurement of a distance to the communication device,wherein,in a case where the identification information included in the radio signal received by the communication unit is the identification information about a current search target, and a reception intensity of the radio signal exceeds a predetermined value,the communication control unit is further configured to cause the communication unit to transmit a distance measurement start instruction to the communication device, andthe distance measurement control unit is further configured to cause the distance measurement unit to carry out the measurement of the distance to the communication device.

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