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    • 9. 发明授权
    • Motor-vehicle central lock system with transponder in key
    • 机动车辆中央锁系统与转发器在钥匙
    • US5774060A
    • 1998-06-30
    • US705693
    • 1996-08-27
    • Wilfried OstermannFred Welskopf
    • Wilfried OstermannFred Welskopf
    • G07C9/00G06F7/04
    • G07C9/00309G07C2009/00214G07C2009/00341G07C2009/00357G07C2009/00388G07C2009/00484G07C2009/005G07C2009/00587G07C2009/00769G07C2009/00777G07C2009/00865G07C2009/00873G07C2209/06G07C2209/08Y10T70/5973
    • A lock system has a remote operator, a lock provided with a switch actuatable by a key part of the operator, a central controller in the vehicle connected to elements of the vehicle for actuating same, a receiver, and a transceiver. The operator is separate from the motor vehicle and has the key part, an energy source, a transmitter powered by the energy source and actuatable to transmit a main signal containing a current main code word, and a transponder substantially independent of the transmitter and of the energy source for receiving an interrogation signal and thereupon generating a callback signal containing a callback code word. When the receiver in the motor vehicle receives the transmitted code work it sends a release signal to the controller. Alternately the transceiver can, when the switch is actuated, generate the interrogation signal, receive the callback signal, and send a release signal to the controller when the callback signal corresponds to the predetermined callback code word. After exchange of the energy source or something else that causes a lose of synchronization the key part is inserted in the lock to actuate the switch to generate the interrogation signal and initiate a time window of a predetermined length. The transmitter then is actuated to generate a main signal including a new current code word. The new main code is received by the receiver during the time window and the stored code word in the receiver is reset to the received new main code word.
    • 锁系统具有远程操作者,锁具设置有由操作者的关键部分致动的开关,车辆中的中央控制器连接到用于致动其的车辆的元件,接收器和收发器。 操作员与机动车辆分离,具有关键部分,能量源,由能源供电的发射器,并可致动以传送包含当前主码字的主信号,以及基本上独立于发射机的发射机应答器和 能量源,用于接收询问信号,从而产生包含回叫码字的回叫信号。 当机动车辆中的接收器接收到发送的代码作业时,它向控制器发送释放信号。 或者,当开关被致动时,收发器可以产生询问信号,接收回叫信号,并且当回叫信号对应于预定的回调码字时,发送释放信号到控制器。 在交换能量源或导致失去同步的其他东西之后,将关键部分插入到锁中以启动开关以产生询问信号并启动预定长度的时间窗口。 然后,发射机被致动以产生包括新的当前码字的主信号。 新的主码在时间窗口期间由接收机接收,接收机中存储的码字被重置为接收到的新的主码字。