Communication terminal for transceiving two frequencies...

Wave transmission lines and networks – Coupling networks – Nonreciprocal gyromagnetic type

Reexamination Certificate

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Details

C333S101000, C333S129000, C333S132000, C343S842000, C340S870030, C340S870030, C455S041300, C455S500000

Reexamination Certificate

active

06911876

ABSTRACT:
The invention relates to a terminal for communication with data supports which function in a non-contact manner, comprising a transreceiver circuit with two resonant circuits with antenna and condenser for the emitting of two radio frequency fields of different carrier frequencies, whereby the common antenna (A) for both resonant circuits comprises a winding.

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patent: WO99/63496 (1999-12-01), None

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