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Magnetic alarm tag releasing device for a theft monitoring device

  • US 5,864,290 A
  • Filed: 05/07/1997
  • Issued: 01/26/1999
  • Est. Priority Date: 05/16/1996
  • Status: Expired due to Fees
First Claim
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1. An alarm tag releasing device for a theft monitoring system, said theft monitoring system having a gate installed in a desired position and producing a theft monitoring region having a predetermined range by transmitting radio waves at a predetermined wavelength, and a buzzer tag attached to a protected item by a built-in lock mechanism so as to be securely connected to the protected item, said buzzer tag having an alarm circuit operated by a built-in battery to sound an alarm when the radio waves at the predetermined wavelength are received when the buzzer tag enters the monitoring region, said alarm tag releasing device comprising:

  • an insertion part, said insertion part having a shape corresponding to an outer diameter of the buzzer tag, said insertion part being configured such that the buzzer tag can be inserted therein so that the lock mechanism provided in the buzzer tag is released when the buzzer tag is inserted into the insertion part.

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