The present invention enhances the security of program update. In addition, the present invention simplifies program version control. The present invention includes: a decompression and restoration unit that, when differential data between a new execution program and a specific program is input, decompresses and restores the compressed specific program and rewrites the execution program as the specific program; and a differential restoration unit that differentially restores the new execution program from the differential data and the specific program and rewrites the specific program as the new execution program. The present invention also includes: a differential restoration unit that, when differential data between a new execution program and a specific program is input, differentially restores the new execution program from the differential data and the execution program in a memory unit and rewrites the execution program in the memory unit as the new execution program; and a decompression and restoration unit that decompresses and restores the compressed specific program and rewrites the new execution program as the specific program.


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    Titel :

    CAR ONBOARD CONTROL DEVICE AND PROGRAM UPDATING SOFTWARE


    Beteiligte:
    KUROSAWA KENICHI (Autor:in) / NAKAHARA FUMIHARU (Autor:in) / ABE YUSUKE (Autor:in)

    Erscheinungsdatum :

    07.11.2019


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / G07C TIME OR ATTENDANCE REGISTERS , Zeit- oder Anwesenheitskontrollgeräte



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