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Methods and apparatus to detect mobile devices

  • US 8,947,222 B2
  • Filed: 02/24/2011
  • Issued: 02/03/2015
  • Est. Priority Date: 02/24/2011
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a processor; and

    a memory in communication with the processor having instructions stored thereon that, when executed, cause the processor to;

    determine whether a portable first wireless transceiver is in communication range of a vehicle, the portable first wireless transceiver configured to provide an identifier associated with a person; and

    based on the portable first wireless transceiver not being in the communication range, transition a second wireless transceiver in the vehicle from a first power transmission mode to a relatively lower power transmission mode, the second wireless transceiver configured to wirelessly connect with a mobile device associated with the person.

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