Communications: electrical – Selective – Interrogation response
Reexamination Certificate
2005-12-27
2005-12-27
Horabik, Michael (Department: 2635)
Communications: electrical
Selective
Interrogation response
C340S010100, C340S010300, C342S042000, C370S410000, C370S236000
Reexamination Certificate
active
06980086
ABSTRACT:
A method for operating an anti-theft system having a transceiver unit comprising a trigger unit and a portable code generator, comprises the steps of:emitting a request signal by the transceiver unit upon activation of the trigger unit, andemitting a response code signal by the code generator after reception of the request signal, wherein the request signal and the response code signal overlap for a predefined time period.
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Baker & Botts L.L.P.
Nguyen Nam
Siemens Aktiengesellschaft
LandOfFree
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