Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2006-10-10
2006-10-10
Hofsass, Jeffery (Department: 2612)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S572800, C340S572900, C340S568200, C340S568400, C340S573400
Reexamination Certificate
active
07119690
ABSTRACT:
A tamper-resistant RFID wristband that becomes permanently disabled upon tampering. The wristband includes a plurality of holes for snugly securing the band to a wearer, an RFID circuit, and an electrically conductive loop disposed in the band. The RFID circuit and the conductive loop are electrically coupled to form a series circuit, severance of which disables the wristband. The electrically conductive loop includes a first layer and a second layer that are electrically isolated from one another, save for at least one electrical connection made preferably by a via at the end of the band distal from the antenna element. The first layer encircles the holes in a serpentine path on one layer of the band and the second layer encircles the holes in a complimentary serpentine path on a different layer of the band.
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Girvin Joshua M.
Lerch John W.
Mou Peijen S.
Norair John P.
Hamilton Brook Smith & Reynolds P.C.
Hofsass Jeffery
Lai Anne V
Proximities, Inc.
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