A vehicle-mounted communication system in which a plurality of communication devices and a determination device for determining an abnormality regarding the communication devices are connected to each other via a bus, wherein the determination device includes: a transmitting unit that transmits a determination signal at a predetermined voltage to each of the communication devices; and a determination unit that determines the abnormality based on a response signal transmitted from each of the communication devices in response to the determination signal, each of the communication devices includes: a signal output unit that outputs a first logical value signal based on a unique voltage threshold, in response to a determination signal that is received; and a generating unit that generates a second logical value signal based on the first logical value signal, and the signal output unit outputs the response signal to the bus based on the second logical value signal.


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    Title :

    VEHICLE-MOUNTED COMMUNICATION SYSTEM, DETERMINATION DEVICE, COMMUNICATION DEVICE, DETERMINATION METHOD, AND COMPUTER PROGRAM


    Contributors:

    Publication date :

    2021-02-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION , Übertragung digitaler Information, z.B. Telegrafieverkehr