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    • 2. 发明公开
    • Vehicle location system using an ad hoc network
    • Fahrzeugortungssystem durch Benutzung eines Ad-hoc-Netzwerks
    • EP1384635A1
    • 2004-01-28
    • EP03291817.9
    • 2003-07-23
    • Boomerang Tracking Inc.
    • Boulay, André EricNelson, Robert
    • B60R25/10
    • B60R25/1025B60R25/00B60R25/1004B60R25/305B60R25/33
    • An on-board unit (10) for a vehicle is disclosed. The unit includes a primary communication system (11), the primary communication system being adapted to communicate with a remote location, and being further adapted to detect a stolen condition or receive an indication of a stolen condition. The unit also includes a process for determining whether communication with a central location can be effected. A secondary communication system (13) is provided, the secondary communication system (13) transmitting a signal including an identification of the on-board unit (10) when communication with the central location cannot be effected. This signal is received by a receiver, which is in direct or indirect communication with the central location, so that the central location can take the appropriate steps to recover the vehicle which includes the on-board unit that is emitting the signal.
    • 公开了一种用于车辆的车载单元(10)。 该单元包括主通信系统(11),主通信系统适于与远程位置通信,并且还适于检测被盗状态或接收被盗条件的指示。 该单元还包括用于确定是否可以实现与中心位置的通信的过程。 提供二次通信系统(13),当不与中心位置通信时,辅助通信系统(13)发送包括车载单元(10)的标识的信号。 该信号由与中央位置直接或间接通信的接收机接收,使得中心位置可以采取适当的步骤来恢复包括发射信号的车载单元的车辆。
    • 9. 发明公开
    • A SYSTEM AND A METHOD FOR PROVIDING A COMMUNICATION LINK
    • 提供通信链路的系统和方法
    • EP1405281A1
    • 2004-04-07
    • EP01945867.8
    • 2001-06-28
    • Volvo Teknisk Utveckling AB
    • GUDMUNDSSON, StefanLJUNGGREN, AndersSENA, Michael
    • G08B25/10H04Q7/38
    • H04W64/00B60R25/04B60R25/1025B60R25/33B60R2325/205B60R2325/304H04W4/90H04W76/50
    • System and method for providing a communication link between a central station ( 11 ) and a remote mobile or stationary object ( 13 ) including transmitting and receiving communication means ( 13 ) having transmitting and receiving communication means ( 14, 15 ) for speech and data transmission. The communication link includes a speech transmission link between the central station ( 11 ) and the remote object ( 13 ). The communication link also includes a data transmission link between the remote object and the central station that is rerouted via a centralized communication and database server ( 10 ) for handling operator and/or object related information. The method includes establishing a speech connection between the central station ( 11 ) and the remote object ( 13 ), and simultaneously establishing data connections between the remote object ( 13 ) and the communication and database server ( 10 ) as well as between the central station and the communication and database server.
    • 一种用于在中心站(11)与远程移动或静止物体(13)之间提供通信链路的系统和方法包括发送和接收通信装置(13),包括发送和接收用于通话的通信装置(14,15)和 数据传输。 通信链路共享中央站(11)和远程对象(13)之间的语音传输链路。 通信链路还包括在远程对象和中心站之间的数据传输链路,该数据传输链路经由集中通信和数据库服务器(10)进行通信以处理操作员和/或对象相关信息。 该方法包括以下步骤:建立中心站(11)和远程对象(13)之间的语音连接,以及在远程对象(13)与通信和数据库服务器(10)之间以及在远程对象 中心站以及通信和数据库服务器。