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    CORDLESS IDENTIFICATION SECURITY SYSTEM AND METHOD
    1.
    发明专利
    CORDLESS IDENTIFICATION SECURITY SYSTEM AND METHOD 审中-公开

    公开(公告)号：JP2003132472A

    公开(公告)日：2003-05-09

    申请号：JP2002209844

    申请日：2002-07-18

    Applicant: SYMBOL TECHNOLOGIES INC

    Inventor： CONNOLLY SEAN A ,  SACKETT WILLIAM ,  SHELLHAMMER STEPHEN J ,  BOCCUZZI FRANK ,  LEVINE ADAM

    IPC: G08B13/22 ,  G01S19/14 ,  G06K17/00 ,  G08B25/00 ,  G08B25/10 ,  H04B7/26

    Abstract: PROBLEM TO BE SOLVED: To provide a system and method for tracking a portable device. SOLUTION: This system for tracking a portable device may include a transmitter which transmits wireless inquiries to a plurality of portable devices and a receiver which receives replies to the inquiries from the portable devices. In addition, this system may include a memory which stores identifier data corresponding to the portable devices and a processor coupled to the memory and to the receiver, and the processor retrieves identifier data uniquely identifying a particular one of the portable devices which have generated the replies from each reply, and compares the identifier data to the stored identifier data. Furthermore, the system may include an alarm system coupled to the processor, and the alarm system is controlled based on the comparison of the stored identifier data to the identifier data retrieved from the replies.

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