Method of preventing unauthorized use of apparatus, particularly car radio

A method for providing an anti-theft mechanism for devices, in particular for car radios, in that a code which identifies the device must be entered directly into the device in order to activate the device. The code is derived from an item of check information assigned to the device, using an irreve...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	PLUMEIER JOERG
Format:	Patent
Sprache:	cze ; eng
Schlagworte:	ALARM SYSTEMS ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDEDFOR ELSEWHERE CHECKING-DEVICES ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY GENERATING RANDOM NUMBERS ORDER TELEGRAPHS PERFORMING OPERATIONS PHYSICS REGISTERING OR INDICATING THE WORKING OF MACHINES SIGNALLING SIGNALLING OR CALLING SYSTEMS TIME OR ATTENDANCE REGISTERS TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR VOTING OR LOTTERY APPARATUS
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Beschreibung
Zusammenfassung:	A method for providing an anti-theft mechanism for devices, in particular for car radios, in that a code which identifies the device must be entered directly into the device in order to activate the device. The code is derived from an item of check information assigned to the device, using an irreversible encryption method.