To provide a vehicle antitheft system capable of improving antitheft performance without requiring complicated operation.SOLUTION: A vehicle antitheft system includes: an on-vehicle type antitheft device 1 transmitting an ID authentication request 1A, which requests ID authentication; and a portable machine 2 receiving the ID authentication request 1A transmitted from the on-vehicle type antitheft device 1 and transmitting an ID authentication request response 2A to the on-vehicle type antitheft device 1. Upon receiving the ID authentication request response 2A, the on-vehicle type antitheft device 1 determines whether or not the received ID authentication request response 2A is normal and switches its state to a state of automatically prohibiting the ID authentication after a vehicle system stops.SELECTED DRAWING: Figure 1

    【課題】複雑な操作を必要とせずに盗難防止性を向上させる車両盗難防止システムを提供する。【解決手段】ID認証を要求するID認証要求1Aを送信する車載器型盗難防止装置1と、車載器型盗難防止装置1から送信されるID認証要求1Aを受信し、車載器型盗難防止装置1へID認証要求応答2Aを送信する携帯機2を備え、車載器型盗難防止装置1は、ID認証要求応答2Aを受信すると、受信したID認証要求応答2Aが正常であるか否かを判定し、車両システムの停止後に、ID認証を自動的に禁止する状態へ切り替える。【選択図】図1


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    Title :

    VEHICLE ANTITHEFT SYSTEM


    Additional title:

    車両盗難防止システム


    Contributors:

    Publication date :

    2022-05-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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