Communications: electrical – Selective – Intelligence comparison for controlling
Reexamination Certificate
2005-11-29
2005-11-29
Horabik, Michael (Department: 2635)
Communications: electrical
Selective
Intelligence comparison for controlling
C235S380000, C725S006000
Reexamination Certificate
active
06970068
ABSTRACT:
A device for sensing unauthorized use of an electronic security device has a host device and a detector with a loop antenna associated with the port that receives the electronic security device, such as a smart card. The host device comprises a housing having the port formed therein. In one embodiment, the port detector senses radiation emitted from unauthorized use of the electronic security device by attachment of hot-wire conductors to the security device, which conductors carry currents through the port and the detector. In an alternate embodiment, the dielectric constant of the electronic security device is measured and compared to a predetermined value for distinguishing a nominal device from one with attached hot wiring.
REFERENCES:
patent: 5757271 (1998-05-01), Andrews
patent: 0565281 (1993-10-01), None
patent: 0706291 (1996-04-01), None
patent: 0880311 (1998-11-01), None
patent: 96/00951 (1996-01-01), None
Duffield David Jay
Pugel Michael Anthony
Ramspacher Robert James
Au Scott
Horabik Michael
Kiel Paul P.
Laks Joseph J.
Thomson Licensing S.A.
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