To provide a diaphragm that is excellent in heat resistance, cold resistance and chemical resistance, a speaker including this diaphragm, and a vehicle approach notification device including this speaker.SOLUTION: A speaker includes a diaphragm body 1 containing polyetherimide, a diaphragm edge 2 made of fluorinated silicone rubber, a frame 3, a damper 4, a voice coil 5, and a cap 6. The fluorinated silicone rubber is fluoropropyl methylvinyl silicone. There are no particular limitations on the materials of the frame, the damper, the voice coil, the cap, and other components, and they can be selected according to the size, use, etc. of the speaker.SELECTED DRAWING: Figure 1

    【課題】耐熱性及び耐寒性に優れるとともに耐化成品性に優れる振動板、この振動板を含むスピーカ、及びこのスピーカを含む車両接近通報装置を提供することを課題とする。【解決手段】スピーカは、ポリエーテルイミドを含む振動板の胴体部1と、フッ素化シリコーンゴムからなる、振動板のエッジ部2と、フレーム3と、ダンパー4と、ボイスコイル5と、キャップ6と、を備えている。フッ素化シリコーンゴムは、フルオロプロピルメチルビニルシリコーンである。フレーム、ダンパー、ボイスコイル、キャップ及びその他の部材の材質は特に制限されず、スピーカのサイズ、用途等に応じて選択できる。【選択図】図1


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    Title :

    VIBRATION PLATE, SPEAKER, AND VEHICLE APPROACH NOTIFICATION DEVICE


    Additional title:

    振動板、スピーカ及び車両接近通報装置


    Contributors:

    Publication date :

    2024-11-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS , Lautsprecher, Mikrofone, Schallplatten-Tonabnehmer oder ähnliche akustische, elektromechanische Wandler / 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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