Access control for rental cars

Cars of a car rental system are made operable by having a renter present a digital key issued from the car rental system. The digital key specifies the starting date and time of a given rental transaction, and the identification of the car the key is for. The digital key is further signed by the car...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LIU TE-KAI, GREENWOOD MICHAEL C
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES PHYSICS SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR
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