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.

Bibliographische Detailangaben

1. Verfasser:	DR STEPHAN SCHMITZ
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDEDFOR ELSEWHERE CHECKING-DEVICES GENERATING RANDOM NUMBERS PERFORMING OPERATIONS PHYSICS REGISTERING OR INDICATING THE WORKING OF MACHINES TIME OR ATTENDANCE REGISTERS TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR VOTING OR LOTTERY APPARATUS
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