An electronic key system includes an onboard apparatus and a portable apparatus. The electronic key system establishes wireless communication with a secret key common between the onboard apparatus and the portable apparatus, and authenticates the portable apparatus registered as the portable apparatus of an authorized user. The portable apparatus includes a portable apparatus code transmitter that transmits a portable apparatus code. The onboard apparatus includes an onboard code transmitter that transmits an onboard code. The onboard apparatus further includes a portable apparatus code receiver, and an onboard-side key generation portion. The portable apparatus further includes an onboard code receiver, and a portable-apparatus-side key generation portion.


    Access

    Download


    Export, share and cite



    Title :

    ELECTRONIC KEY SYSTEM, ONBOARD APPARATUS, AND PORTABLE APPARATUS


    Contributors:

    Publication date :

    2016-08-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G07C TIME OR ATTENDANCE REGISTERS , Zeit- oder Anwesenheitskontrollgeräte / H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION , Übertragung digitaler Information, z.B. Telegrafieverkehr / H04W WIRELESS COMMUNICATION NETWORKS , Drahtlose Kommunikationsnetze



    Electronic key system, onboard apparatus, and portable apparatus

    KATOU KENJI / TOKUNAGA YUUKI | European Patent Office | 2019

    Free access

    VEHICLE SYSTEM, ONBOARD APPARATUS, AND PORTABLE DEVICE

    KATOU KENJI / NAGAI NOBUYOSHI | European Patent Office | 2016

    Free access

    Vehicle system, onboard apparatus, and portable device

    KATOU KENJI / NAGAI NOBUYOSHI | European Patent Office | 2018

    Free access

    Onboard apparatus, and onboard communication system

    SHIBATA MINORU / MATSUOKA HIROMICHI | European Patent Office | 2018

    Free access

    ONBOARD APPARATUS, AND ONBOARD COMMUNICATION SYSTEM

    SHIBATA MINORU / MATSUOKA HIROMICHI | European Patent Office | 2016

    Free access