PROBLEM TO BE SOLVED: To secure communication performance between an on-vehicle control device and a portable device by an authorized user, while suppressing relay attack.SOLUTION: In an on-vehicle equipment control system 100, when one of passive request switches 5(DR), 5(AS), 5(BD) installed in a vehicle 30 is operated, an on-vehicle control device 10 transmits a response request signal, and executes control of a door lock device 7 based on a response signal returned from a portable device 20. In the case where the passive request switches 5(DR), 5(AS) in the position closer to an on-vehicle RF reception part 4 are operated, transmission strength of a signal transmitted from a portable device RF transmission part 23 is switched to a first level by a level switching part 23b. In the case where the passive request switch 5(BD) in the position far away from the on-vehicle RF reception part 4 is operated, the transmission strength of the signal transmitted from the portable device RF transmission part 23 is switched to a second level higher than the first level by the level switching part 23b.SELECTED DRAWING: Figure 1

    【課題】リレーアタックを抑制しつつ、正当な利用者による車載制御装置と携帯機との間の通信性能を確保する。【解決手段】車載機器制御システム100では、車両30に設置されたパッシブリクエストスイッチ5(DR)、5(AS)、5(BD)のいずれかが操作された際に、車載制御装置10が応答要求信号を送信し、携帯機20から返信された応答信号に基づいてドアロック装置7の制御を実行する。車載RF受信部4に対して近い位置にあるパッシブリクエストスイッチ5(DR)、5(AS)が操作された場合は、携帯機RF送信部23から送信される信号の送信強度を、レベル切替部23bにより第1レベルに切り替える。車載RF受信部4に対して遠い位置にあるパッシブリクエストスイッチ5(BD)が操作された場合は、携帯機RF送信部23から送信される信号の送信強度を、レベル切替部23bにより第1レベルより高い第2レベルに切り替える。【選択図】図1


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    Title :

    ON-VEHICLE EQUIPMENT CONTROL SYSTEM, ON-VEHICLE CONTROL DEVICE, PORTABLE DEVICE


    Additional title:

    車載機器制御システム、車載制御装置、携帯機


    Contributors:

    Publication date :

    2017-02-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    E05B LOCKS , Schlösser / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H04Q Wähltechnik , SELECTING



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