Communications: electrical – Selective – Interrogation response
Reexamination Certificate
2006-05-23
2006-05-23
Zimmerman, Brian (Department: 2635)
Communications: electrical
Selective
Interrogation response
C340S572700, C340S010320
Reexamination Certificate
active
07049936
ABSTRACT:
A method for controlling an electromagnetic field generation terminal using a signal for exciting an oscillating circuit, provided with circuitry for regulating the signal phase in the oscillating circuit, including comparing current values of variables linked to the current in the oscillating circuit and to the voltage thereacross with predetermined values, to detect the presence of a transponder in the electromagnetic field.
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Jorgenson Lisa K.
Morris James H.
STMicroelectronics S.A.
Wolf Greenfield & Sacks P.C.
Zimmerman Brian
LandOfFree
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