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Motion sensitive anti-theft device with alarm screening

  • US 6,133,830 A
  • Filed: 06/19/1998
  • Issued: 10/17/2000
  • Est. Priority Date: 06/19/1998
  • Status: Expired due to Fees
First Claim
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1. An anti-theft system, comprisinga control unit having a first transceiver capable of transmitting and receiving data signals, a warning device coupled to said first transceiver and capable of being activated in response to an alert signal from said first transceiver, and an activation element coupled to said first transceiver and capable of directing said first transceiver to transmit an alarm signal representative of a command to activate an alarm, anda theft detector having a motion detector for generating a movement signal in response to a detected movement, an alarm, and a second transceiver coupled to said motion detector and said alarm and providing bi-directional transfer of data signals, said second transceiver being capable of transmitting said alert signal in response to said movement signal, and being capable of activating said alarm in response to said alarm signal received from said control unit, whereby the user is provided a warning that an article coupled to said theft detector has moved, to allow the user to activate the alarm.

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