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    • 87. 发明公开
    • RADAR APPARATUS
    • 雷达装置
    • EP1760488A4
    • 2007-08-15
    • EP05753290
    • 2005-06-15
    • FUJITSU TEN LTD
    • SHIMA NOBUKAZU
    • G01S7/02G01S7/40G01S13/34G01S13/93
    • G01S7/4021
    • In a radar apparatus, a change in the characteristic of a receiving circuit part is corrected during a normal operation and during an initial adjustment at the shipment, and a change in the characteristic of the receiving circuit part due to a temperature variation caused by an environmental change during an operation or due to an aged deterioration is corrected at any time. In the radar apparatus having a plurality of receiving circuit systems associated with a plurality of receiving antennas, a received channel signal received via an antenna selected by a first switch is used to produce channel signals (ch1,ch2) of the same characteristic, by switching a second switch, which are inputted to the respective receiving circuit systems. The levels and phases of the channel signals as A/D converted are compared to detect a characteristic change. The detection results of the receiving circuit systems are used to correct the characteristics of the receiving circuit systems or those of the A/D converted output signals.
    • 89. 发明公开
    • Anti-theft device for a vehicle
    • 车辆防盗装置
    • EP1743814A2
    • 2007-01-17
    • EP06076746.4
    • 1995-04-14
    • FUJITSU TEN, LTD.
    • Yamasaki, Takeshi c/o Fujitsu Ten Ltd.
    • B60R25/04
    • B60R25/04
    • In a vehicle control device having a so-called keyless entry system in which a door lock control unit controls a door lock actuator by receiving a signal representing an identification code and transmitted from a transmitter, an internal-combustion engine control unit computes fuel injection quantity and ignition timing from control data stored in a memory in response to detection results inputted from respective detectors, and thereby drives a fuel injection valve and an igniter. The door lock control unit detects whether a theft is attempted on the vehicle, based on the switching states of various switches, and supplies the result of the detection to a constant-voltage circuit in the internal-combustion engine control unit in the form of a code signal; when a theft is detected, power supply to respective circuits in the internal-combustion engine control unit is shut off. Furthermore, the internal-combustion engine control unit checks whether the identification code received by a receiver matches the identification code prestored in the memory, and if they do not coincide, inhibits the internal-combustion engine from starting. Since identification code data that cannot be created in a pseudo manner is inputted to the internal-combustion engine control unit, not a binary signal indicating whether to permit or not permit the starting of the internal-combustion engine, the vehicle can be reliably prevented from being burgled and driven away.
    • 在具有所谓的无钥匙进入系统的车辆控制装置中,其中门锁控制单元通过接收表示识别代码并从发射器发送的信号来控制门锁致动器,内燃机控制单元计算燃料喷射量 以及响应于从各检测器输入的检测结果从存储在存储器中的控制数据获得点火正时,从而驱动燃料喷射阀和点火器。 门锁控制单元基于各种开关的开关状态来检测车辆是否被盗,并且将检测结果以内燃机控制单元中的恒压电路以形式为 码信号; 当检测到盗窃时,切断对内燃机控制单元中的各个回路的供电。 此外,内燃机控制单元检查由接收器接收到的识别码是否与预先存储在存储器中的识别码匹配,并且如果它们不一致,则禁止内燃机启动。 由于不能以伪方式创建的识别代码数据被输入到内燃机控制单元,而不是指示是允许还是不允许启动内燃机的二进制信号,所以能够可靠地防止车辆从 被盗走并被赶走。