Koninklijke Philips Corporation N.v.

Thomas Eibel

Siegfried H Arnold

Peter Thüringer

In a communication arrangement () provided for transmitting data (DA) to a transponder () which arrangement includes a data source () for delivering data (DA) and includes a carrier signal generator () for generating a carrier signal (CS) and includes modulation means () to which can be applied the data (DA) and the carrier signal (CS) and which modulation means are provided for modulating a carrier signal (CS) in accordance with the data (DA) and for delivering a modulated carrier signal (CSM) to transmitting means () having an input resistance (), the modulation means () have a changeable output resistance () which forms a resistance network together with the input resistance () of the transmitting means (), and resistance change means () for changing the output resistance () in accordance with the data (DA).

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Gratwein, Austria

Thomas Eibel