Keyless access control device for motor vehicles

The invention relates to a keyless access control device for motor vehicles, having a transceiver device assigned to the motor vehicle and a mobile transponder. The aim of the invention is to solve the technical problem of providing an access control device which makes it possible to intentionally u...

Full description

Saved in:
Bibliographic Details
Main Authors Mindl, Anton, Kerkmann, Detlef
Format Patent
LanguageEnglish
Published 31.01.2002
Online AccessGet full text

Cover

Loading…
More Information
Summary:The invention relates to a keyless access control device for motor vehicles, having a transceiver device assigned to the motor vehicle and a mobile transponder. The aim of the invention is to solve the technical problem of providing an access control device which makes it possible to intentionally unlock individual doors or hatches and efficiently prevents the undesired unlocking of vehicle doors. To this end an actuating element which influences a switch cooperating with a control device is protected against actuation by a movable mechanical cover until reception of a first coded message containing a coarse identification of the authorized user.