A vehicle-body-embedded antenna device includes an antenna element, a circuit board, a coil and a ground bracket. The antenna element of a grounded type has an antenna capacitance adapted to function as a capacitive antenna that supports a first frequency band, and main polarization thereof is polarization substantially parallel to the roof surface. The coil is placed on the circuit board and connected to the power feeding part to which the antenna element is connected for making the antenna element to have an antenna length supporting a second frequency band. The ground bracket is directly grounded to a conductive member of the vehicle body which is provided at an angle different from an angle of the roof surface for improving polarization sensitivity of the antenna element substantially perpendicular to the roof surface.


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    Vehicle-body-embedded antenna device


    Beteiligte:
    IMAMURA YUTAKA (Autor:in) / KOBAYASHI RYUJI (Autor:in) / ISHIDA JUN (Autor:in)

    Erscheinungsdatum :

    2022-01-25


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    H01Q Antennen , ANTENNAS, i.e. RADIO AERIALS / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



    Vehicle body embedded antenna device

    ISHIDA JUN / IWATA TOSHIHIRO / UENO MIKIO et al. | Europäisches Patentamt | 2024

    Freier Zugriff

    VEHICLE BODY EMBEDDED ANTENNA DEVICE

    ISHIDA ATSUSHI / IWATA TOSHIHIRO / UENO MIKIO et al. | Europäisches Patentamt | 2023

    Freier Zugriff

    VEHICLE BODY-EMBEDDED ANTENNA DEVICE

    ISHIDA JUN / IWATA TOSHIHIRO / UENO MIKIO et al. | Europäisches Patentamt | 2023

    Freier Zugriff

    VEHICLE-BODY-EMBEDDED ANTENNA DEVICE

    IMAMURA YUTAKA / KOBAYASHI RYUJI / ISHIDA JUN | Europäisches Patentamt | 2020

    Freier Zugriff

    VEHICLE-BODY-EMBEDDED ANTENNA DEVICE

    IMAMURA YUTAKA / KOBAYASHI RYUJI / ISHIDA JUN | Europäisches Patentamt | 2019

    Freier Zugriff