A vehicle back door includes a back door main body having a window opening and a back door pane attached to the window opening. The back door main body has a speaker. The speaker is disposed below the back door pane and the angle α1 formed by a vehicle height direction axis and a central axis of the speaker is set to a value smaller than the inclination angle α2 of the back door pane with respect to the vehicle height direction axis. The sound emitted by the speaker is reflected by the back door pane and then transmitted to the front part of the vehicle interior.


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    Title :

    Vehicle back door and vehicle warning method and system


    Contributors:
    FUJII KAZUTO (author) / SAKA HIROFUMI (author) / SERA NAOHIRO (author) / AKO KENTA (author)

    Publication date :

    2021-04-20


    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 / B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge / B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein



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