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APPARATUS AND METHOD FOR SELECTIVE INTERFERING WITH WIRELESS COMMUNICATIONS DEVICES

  • US 20080268767A1
  • Filed: 04/24/2008
  • Published: 10/30/2008
  • Est. Priority Date: 04/27/2007
  • Status: Active Grant
First Claim
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1. An apparatus operable to disable operation of wireless communications devices, for use within a vehicle, the apparatus comprising:

  • at least one active antenna element;

    a drive circuit coupled to drive the at least one active antenna element to produce interference within at least one wireless communications band of frequencies in response to movement of a vehicle above a defined threshold, and at sufficient power to interfere with communication between the wireless communications device and a destination device; and

    a disabling circuit to selectively disable the drive circuit while the vehicle is moving above the defined threshold.

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