Electronic security system for a vehicle

Electronic security system for a vehicle

Radio collision between radio based security systems on two vehicles (V1,V2) may be overcome by making identification system (M1) emit shortened codes after an initial failure to authenticate a response. The shortened code is sufficient to establish the presence of an identifier but not to authentic...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: MORILLON, JACQUES
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
PERFORMING OPERATIONS
TRANSPORTING
VEHICLES IN GENERAL
VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
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Beschreibung
Zusammenfassung:Radio collision between radio based security systems on two vehicles (V1,V2) may be overcome by making identification system (M1) emit shortened codes after an initial failure to authenticate a response. The shortened code is sufficient to establish the presence of an identifier but not to authenticate it and preferably consists of portions of the full code emitted at random times within successive time intervals