Device and method for operating an authorisation system

The electronic key (4) includes circuit blocks (50, 52, 54) varying spectral information transmitted in the signal (14), in comparison with previously-transmitted spectral information. An Independent claim is included for the corresponding method.

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Bibliographische Detailangaben
1. Verfasser: DR STEPHAN SCHMITZ
Format: Patent
Sprache:eng
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Zusammenfassung:The electronic key (4) includes circuit blocks (50, 52, 54) varying spectral information transmitted in the signal (14), in comparison with previously-transmitted spectral information. An Independent claim is included for the corresponding method.