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    • 5. 发明授权
    • Remote control system for motor vehicle related devices
    • 机动车相关设备遥控系统
    • US5940007A
    • 1999-08-17
    • US804884
    • 1997-02-24
    • Horst BrinkmeyerArthur HippDaniel HoffmannGunter SchweglerDirk Weigand
    • Horst BrinkmeyerArthur HippDaniel HoffmannGunter SchweglerDirk Weigand
    • B60R25/00G07C9/00H04L9/32G06F7/04G08C19/00H02H7/18
    • B60R25/00G07C9/00015G07C9/00309G07C9/00817H04L9/3215G07C2009/00396G07C2009/00523G07C2009/00793G07C2009/00849H04L2209/80H04L2209/84
    • A system and method for operating a remote control having a portable remote control unit which can control at least one function unit. The remote control unit and the function unit are connected with one another by way of a bidirectional data communication link, by which data can be transmitted by means of a symmetrical coding method. The remote control unit sends a learn mode reporting signal in a secret coding information learn mode to the controllable function unit which, in the learn mode, in turn, sends back an acknowledgment signal. Upon receipt of the acknowledgment signal, the remote control unit generates new secret coding information by means of the coding algorithm, as a function of basis secret coding information and of the previous secret coding information, and sends the new secret coding information to the function unit. The function unit then replaces the previous secret coding information with the new secret coding information and emits an acknowledgment signal, upon the receipt of which the remote control unit, in turn, replaces the previous secret coding information with the new secret coding information.
    • 一种用于操作具有可控制至少一个功能单元的便携式遥控单元的遥控器的系统和方法。 远程控制单元和功能单元通过双向数据通信链路彼此连接,通过该双向数据通信链路可以通过对称编码方式发送数据。 遥控单元将秘密编码信息学习模式中的学习模式报告信号发送到可控功能单元,该可控功能单元在学习模式中又发送确认信号。 在接收到确认信号时,遥控器根据编码算法,作为基本秘密编码信息和先前的秘密编码信息的函数产生新的秘密编码信息,并将新的秘密编码信息发送到功能单元 。 然后功能单元用新的秘密编码信息替换以前的秘密编码信息,并且在接收到遥控单元后又用新的秘密编码信息代替先前的秘密编码信息时,发出确认信号。