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APPARATUS AND METHOD FOR INTERFERING WITH WIRELESS COMMUNICATIONS DEVICES IN RESPONSE TO TRANSMISSION POWER DETECTION

  • US 20080268769A1
  • Filed: 04/25/2008
  • 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; and

    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 the wireless communications device transmitting at a transmission power above a defined power threshold for a defined amount of time, wherein the interference is at sufficient power to interfere with communication between the wireless communications device and a destination device.

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