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Security access arrangement

  • US 5,583,486 A
  • Filed: 12/01/1994
  • Issued: 12/10/1996
  • Est. Priority Date: 02/23/1994
  • Status: Expired due to Fees
First Claim
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1. A security access arrangement comprising:

  • a first part associated with an authorised person;

    a second part adapted to be attached to an item; and

    a third part associated with a restricted access area;

    wherein the first, second and third parts include equivalent electronic circuitry comprising;

    a signal transmitting means adapted to transmit coded signals;

    controller means in electrical connection with the signal transmitting means and adapted to supply coded signals to the signal transmitting means;

    signal receiving means in electrical connection with the controller means and adapted to receive coded signals and supply the received coded signals to the controller means; and

    a power supply adapted to power the operation of the signal transmitting means, signal receiving means and controller means;

    said first, second and third parts being separate from one another and being arranged such that access to the restricted area can only be obtained if the first, second and third parts are proximate one another.

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