Cordless identification security system and method

Communications: electrical – Selective – Intelligence comparison for controlling

Reexamination Certificate

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Details

C340S573100, C379S038000

Reexamination Certificate

active

06992564

ABSTRACT:
A system and method described for tracking portable devices. The system may include a transmitter which transmits wireless inquiries to a plurality of portable devices and a receiver receiving replies to the inquiries from the portable devices. In addition, the system may include a memory storing identifier data corresponding to the portable devices and a processor coupled to the memory and to the receiver, the processor retrieving from each reply, identifier data uniquely identifying a particular one of the portable devices which generated the reply and comparing the identifier data to the stored identifier data. Furthermore, the system may include an alarm system coupled to the processor and controlled based on the comparison of stored identifier data to the identifier data retrieved from the replies.

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patent: 6331817 (2001-12-01), Goldberg
patent: 0 621 565 (1994-10-01), None
patent: 0 716 399 (1996-06-01), None
patent: 01/39103 (2001-05-01), None

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