Please download the dossier by clicking on the dossier button x
×

DETECTING THE LOCATION OF A PHONE USING RF WIRELESS AND ULTRASONIC SIGNALS

  • US 20170019525A1
  • Filed: 07/14/2016
  • Published: 01/19/2017
  • Est. Priority Date: 07/14/2015
  • Status: Active Grant
First Claim
Patent Images

1. A method for determining a presence of a mobile device located in a predetermined detection zone within a vehicle, the method comprising:

  • periodically recording, by the mobile device comprising a processor, a plurality of sounds comprising an acoustic environment;

    determining, by the processor, that the periodically recorded sounds comprise a periodically recorded first acoustic signal comprising a first ultrasonic pulse and a second acoustic signal comprising a second ultrasonic pulse;

    calculating, by the processor from the periodically recorded sounds, a first time of arrival of the first acoustic signal and a second time of arrival of the second acoustic signal;

    determining, by the processor, a location of the mobile device within the vehicle based on the first time of arrival and the second time of arrival; and

    determining, by the processor, that the location of the mobile device matches the predetermined detection zone.

View all claims
  • 4 Assignments
Timeline View
Assignment View
    ×
    ×