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    • 95. 发明授权
    • ANTI-THEFT DEVICE FOR A VEHICLE
    • 防盗器车辆
    • EP0754606B1
    • 2006-11-22
    • EP95915325.5
    • 1995-04-14
    • FUJITSU TEN, LTD.
    • YAMASAKI, Takeshi
    • B60R25/04
    • B60R25/04
    • In a vehicle control device (1) having a so-called key-less entry system wherein a door lock control portion (6) controls an actuator (43) for door locking by receiving a signal sent from a transmitter (41) which denotes an identification code, an internal combustion engine control portion (3) calculates a fuel injection volume and an ignition timing from control data stored in a memory (20) in response to the results of detection by respective detectors (11, 12) to thereby drive a fuel injection valve (13) and an ignitor (14). The door lock control portion (6) detects whether or not the vehicle is burglarized based on the switching conditions of respective switches (63, 44, 45) and imparts the detection results to a constant voltage circuit (67) of the internal combustion engine control portion (3) as a code signal. When it finds that the vehicle is burglarized, power supply to the respective circuits in the internal combustion engine control portion (3) is cut off. In addition, the door lock control portion judges whether or not an identification code stored in the memory (20) in advance coincides with an identification code received by a receiver (42), and when it finds that they do not coincide with each other, the start of an engine (2) is disabled. Therefore, since it is not a binary signal allowing or not allowing the engine to be started but an identification code that cannot be produced simulatively that is inputted to the control portion (3), it is possible to securely prevent the vehicle from being driven away by a thief.
    • 100. 发明公开
    • COMMUNICATION GATEWAY
    • KOMMUNIKATIONSNETZÜBERGANG
    • EP1037430A4
    • 2000-12-20
    • EP98947922
    • 1998-10-19
    • FUJITSU TEN LTD
    • YAMAWAKI TOSHIO
    • H04L12/66H04L12/28H04L12/46
    • H04L12/66
    • A gateway for avoiding unnecessary increase of communication traffic through a communication bus on the side to which data is sent by subjecting only the actually required information to gateway processing. If it is judged that the contents of the received data relate to a command requiring no gateway processing, the gateway processing is inhibited. If it is judged that the contents of the received data represent information to be subjected to gateway processing only when the contents vary, comparison is made with the latest contents of the same kind of information stored in a memory, and it is judged whether or not the contents do not vary. If the contents are judged to have varied the gateway processing is inhibited.
    • 一个网关,用于避免通过数据发送端的通信总线不必要地增加通信流量,通过仅将实际需要的信息经受网关处理。 如果判断接收到的数据的内容涉及不需要网关处理的命令,则禁止网关处理。 如果仅当内容变化时判断接收到的数据的内容表示要经受网关处理的信息,则与存储器中存储的同类信息的最新内容进行比较,并判断是否 内容不变。 如果判断内容已经改变,则禁止网关处理。