A loudspeaker unit includes a frame, a diaphragm having an inner periphery and an outer periphery, and a magnetic circuit coupled to the frame. The frame includes a first support part, a second support part, a pedestal part, and a plurality of reinforcement parts. The first support part supports the outer periphery of the diaphragm, and the second support part supports the magnetic circuit. The pedestal part spreads outward from the outer periphery of the first support part. The plurality of reinforcement parts are disposed side by side along the periphery of the pedestal part and fixed to the outer periphery of the first support part and the pedestal part. Each of the plurality of reinforcement parts includes a first portion having a first height relative to the pedestal part, and a second portion having a second height lower than the first height.


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    SPEAKER UNIT, ELECTRONIC EQUIPMENT AND MOBILE OBJECT DEVICE


    Beteiligte:
    UEMOTO RYOUICHI (Autor:in) / TSUCHIYA GORO (Autor:in) / AKATSUKA MASATAKA (Autor:in)

    Erscheinungsdatum :

    2019-10-31


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS , Lautsprecher, Mikrofone, Schallplatten-Tonabnehmer oder ähnliche akustische, elektromechanische Wandler / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



    SPEAKER UNIT, ELECTRONIC EQUIPMENT AND MOBILE OBJECT DEVICE

    UEMOTO RYOUICHI / TSUCHIYA GORO / AKATSUKA MASATAKA | Europäisches Patentamt | 2021

    Freier Zugriff

    SPEAKER UNIT, ELECTRONIC EQUIPMENT AND MOBILE OBJECT DEVICE

    UEMOTO RYOUICHI / TSUCHIYA GORO / AKATSUKA MASATAKA | Europäisches Patentamt | 2018

    Freier Zugriff

    Speaker unit, electronic equipment and mobile object device

    UEMOTO RYOUICHI / TSUCHIYA GORO / AKATSUKA MASATAKA | Europäisches Patentamt | 2020

    Freier Zugriff

    SPEAKER UNIT, ELECTRONIC APPARATUS AND MOBILE DEVICE

    UEMOTO RYOICHI / TSUCHIYA GORO / AKATSUKA MASATAKA | Europäisches Patentamt | 2018

    Freier Zugriff

    MOBILE OBJECT SPEAKER SYSTEM

    NEGISHI TAKAYUKI / UMETSU YASUMI | Europäisches Patentamt | 2016

    Freier Zugriff