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    • 1. 发明专利
    • Communication pattern switching device of electronic key system
    • 电子钥匙系统通讯图案切换装置
    • JP2011089264A
    • 2011-05-06
    • JP2009241536
    • 2009-10-20
    • Tokai Rika Co Ltd株式会社東海理化電機製作所
    • HIRAMITSU TAKAYUKIHASEGAWA YOSUKE
    • E05B49/00B60R25/01B60R25/04B60R25/10B60R25/24
    • PROBLEM TO BE SOLVED: To provide a communication pattern switching device of an electronic key system, which sets a communication pattern of a communication master as a pattern best suited to a communication state and copes with even when a standard on the Radio Law is an issue in pattern switching. SOLUTION: When a vehicle is in a parked state, a vehicle exterior transmitter 10 performs radio wave transmission by the communication pattern P1 setting high radio output V1 and a long time interval T1, and places priority on communication establishability. When an electronic key 2 makes an entry into the communication area of the vehicle exterior transmitter 10, the electronic key 2 receives a wake signal 21 so that vehicle exterior communication can be established. In this case, the vehicle exterior transmitter 10 switches the communication pattern of the radio wave transmission from the first communication pattern P1 to the second communication pattern P2. The second communication pattern P2 is set as the pattern setting a QP value identical with that of the first communication pattern P1 and setting low radio output V2 and a short time interval T2, placing priority on the responsiveness of the communication. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种电子钥匙系统的通信模式切换装置,其将通信主机的通信模式设置为最适合于通信状态的模式,并且即使在无线电法的标准 是模式切换的一个问题。 解决方案:当车辆处于停放状态时,车辆外部发送器10通过设定高无线电输出V1和长时间间隔T1的通信模式P1执行无线电波发送,并且优先考虑通信建立性。 当电子钥匙2进入车辆外部发送机10的通信区域时,电子钥匙2接收唤醒信号21,从而可以建立车辆外部通信。 在这种情况下,车辆外部发送器10将无线电波发送的通信模式从第一通信模式P1切换到第二通信模式P2。 将第二通信模式P2设置为设置与第一通信模式P1相同的QP值的模式,并设置低无线电输出V2和短时间间隔T2,优先考虑通信的响应性。 版权所有(C)2011,JPO&INPIT
    • 2. 发明专利
    • Vehicle output electric wave adjustment device for electronic key system
    • 用于电子钥匙系统的车辆输出电波调节装置
    • JP2010162955A
    • 2010-07-29
    • JP2009004990
    • 2009-01-13
    • Tokai Rika Co Ltd株式会社東海理化電機製作所
    • HASEGAWA YOSUKENITTA SHIGENORISHIBAGAKI TOSHIMASA
    • B60R25/01B60R25/04B60R25/24
    • PROBLEM TO BE SOLVED: To provide a vehicle output electric wave adjustment device for an electronic key system adjusting transmitted electric wave output of an indoor transmitter by itself even if an external measurement instrument is not used. SOLUTION: A request signal adjustment device transmits a request signal Srq from a first indoor LF transmitter 23 and a second indoor LF transmitter 24 into a cabin, and is applied to the electronic key system attaining operation of on-vehicle equipment if ID checking is effected with the received ID code signal Sid when an electronic key 1 receives the ID code signal Sid transmitted in response to the request signal Srq with an RF receiver 25. The request signal adjustment device is provided with an immobilizer transmitter 36 having RSSI 38 for measuring signal intensity of the received radiated signal; and a transmitting control part 39 for adjusting a transmitted electric wave output of the first indoor LF transmitter 23 and the second indoor LF transmitter 24, based on the intensity of the received signal just when the transmitted electric wave from the first indoor LF transmitter 23 and the second indoor LF transmitter 24 is received by the RSSI 38. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种用于电子钥匙系统的车辆输出电波调节装置,即使不使用外部测量仪器,也可以自己调节室内发射机的发射电波输出。 解决方案:请求信号调整装置将来自第一室内LF发送器23和第二室内LF发送器24的请求信号Srq发送到机舱,并且如果ID为应用于实现车载设备的操作的电子钥匙系统 当电子钥匙1接收到响应于RF接收器25的请求信号Srq发送的ID码信号Sid时,利用接收到的ID码信号Sid进行检查。请求信号调节装置设有具有RSSI 38的防盗器发射器36 用于测量接收到的辐射信号的信号强度; 以及发送控制部39,用于根据来自第一室内LF发送器23的发送电波的刚刚的接收信号的强度,调整第一室内LF发送器23和第二室内LF发送器24的发送电波输出,以及 第二室内LF发射机24由RSSI38接收。版权所有(C)2010,JPO&INPIT