Locking system, in particular for a motor vehicle

The lock system has a controller (4) with at least two states, e.g. for unlocking and/or locking car doors, the ignition lock, the steering wheel lock or similar, and an associated electronic key (5). The controller and key have signal transmitting and receiving arrangements. At least one signal tra...

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Bibliographic Details
Main Authors MUELLER, KARL, WEISSER, DIETMAR, MATTES, JOHANNES, STEHLE, WOLFGANG
Format Patent
LanguageEnglish
French
German
Published 22.09.2004
Edition7
Subjects
ACCESSORIES THEREFOR
ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDEDFOR ELSEWHERE
CHECKING-DEVICES
FIXED CONSTRUCTIONS
GENERATING RANDOM NUMBERS
HANDCUFFS
KEYS
LOCKS
PERFORMING OPERATIONS
PHYSICS
REGISTERING OR INDICATING THE WORKING OF MACHINES
SAFES
TIME OR ATTENDANCE REGISTERS
TRANSPORTING
VEHICLES IN GENERAL
VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
VOTING OR LOTTERY APPARATUS
WINDOW OR DOOR FITTINGS
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Summary:The lock system has a controller (4) with at least two states, e.g. for unlocking and/or locking car doors, the ignition lock, the steering wheel lock or similar, and an associated electronic key (5). The controller and key have signal transmitting and receiving arrangements. At least one signal transferred between them is an encoded control signal so that the state of the controller is changed after a positive evaluation of the signal from an authorized key, provided that evaluation of the signal transition time gives a value, e.g. a phase value, within a predefined range. An Independent claim is also used for a method of operating the closure system.
Bibliography:Application Number: EP19990117189