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Electronic article surveillance apparatus with an alarm

  • US 5,764,147 A
  • Filed: 03/27/1996
  • Issued: 06/09/1998
  • Est. Priority Date: 04/07/1995
  • Status: Expired due to Fees
First Claim
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1. An electronic surveillance apparatus with an alarm, comprising:

  • a signal transmitter for producing a transmission signal;

    a tag for generating a warning when said transmission signal from said signal transmitter is received while the tag is in a warning operation state; and

    a tag controller, which is selectively coupled to said tag, for controlling the warning operation state of said tag,wherein said tag includes;

    a signal receiving section, a warning generating section, a plurality of external connection terminals, a voltage dividing circuit which is connected to said plurality of external connection terminals, and a warning generation control section which is connected between said voltage dividing circuit and said warning generating section, andwherein said tag controller includes;

    a plurality of external leadout terminals which are capable of being connected to said plurality of external connection terminals, and a voltage generating section for selectively supplying a high voltage exceeding a power supply voltage of said tag to said plurality of external leadout terminals.

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