Microprocessor controlled security tag

Details Microprocessor controlled security tag Microprocessor controlled security tag

2011-08-09

2011-08-09

Nguyen, Tai T (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S572400, C340S572700, C340S010400, C340S005600, C235S375000, C235S382000, C235S385000, C235S492000

Reexamination Certificate

active

07994916

ABSTRACT:
A microprocessor controlled security tag and accompanying security system is described. The tag generally includes a housing having external contacts to interface with elongated contacts on a connecting band. The band forms a complex impedance circuit with a patient's limb that allows detection features such as removal and band compromise. A microprocessor and related circuitry as well as a transmitter and receivers are enclosed in the housing. The tag is adapted to communicate inductively with an activator/deactivator unit as well as a tag programmer that updates and changes tag features in the tag firmware. The overall system further includes a hub to receive the data from a plurality of tags in the system. The tag can also communicate with a phased multiple antenna that sends signals to the tag.

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