发明名称 ELECTRONIC COMMUNICATION SYSTEM, IN PARTICULAR ACCESS CONTROL SYSTEM FOR P(ASSIVE)K(EYLESS)E(NTRY), AS WELL AS METHOD FOR DETECTING A RELAY ATTACK THEREON
摘要 <p>In order to provide an electronic communication system (100), in particular an access control system for P[assive]K[eyless]E[ntry], comprising at least one base station (10) being arranged in particular on or in an object to be secured against unauthorized use and/or against unauthorized access, for example being arranged on or in a vehicle and/or on or in an access system, at least one remote device (20), in particular at least one transponder unit, which remote device (20) may in particular be carried with him by an authorized user and/or is designed to exchange data signals (12, 22) with the base station (10), in which case, by means of the data signals (12, 22) the authorization for use and/or for access can be determined and/or the base station (10) can be controlled accordingly, wherein cost and complexity of the remote device (20) are reduced, it is proposed that the remote device (20) comprises at least one recording unit (24) for recording at least part of the data signals (12, 22), in particular for recording at least one first signal (12), being sent by the base station (10), and that the base station (10) comprises at least one processing unit (14) for processing the data signals (12, 22).</p>
申请公布号 EP1805723(A1) 申请公布日期 2007.07.11
申请号 EP20050798959 申请日期 2005.09.20
申请人 KONINKLIJKE PHILIPS ELECTRONICS N.V. 发明人 LEITCH, ADAM SHAW
分类号 G07C9/00 主分类号 G07C9/00
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