Akustische Vorrichtung
Anmelder: Alps Alpine Co., Ltd. 🇯🇵
Details
- Veröffentlichungs-Nr.
- EP4734545
- Anmeldetag
- 17. Oktober 2025
- Veröffentlichung
- 29. April 2026
- Rechtsraum
- EP
- IPC
- (XIAO BO et al.)
Abstract
An acoustic device includes a box and a speaker unit accommodated in an internal space of the box, wherein the box includes a front wall having an opening and a rear wall facing the front wall, the speaker unit includes a frame, a diaphragm supported on the frame so as to be capable of vibrating, a voice coil configured to vibrate together with the diaphragm, and a magnetic circuit configured to apply a magnetic field to the voice coil, the magnetic circuit includes a magnet and a yoke made of a magnetic material, a magnetic gap in which the voice coil is disposed is formed in a part of the yoke, the opening is configured to allow sound pressure emitted from the diaphragm to be released to an external space, and a part of the yoke is disposed within the rear wall.
Anmelder
- Firma
- Alps Alpine Co., Ltd.
- Land
- 🇯🇵 Japan
Japanischer Hersteller elektronischer Komponenten mit Sitz in Tokio, unter anderem für Sensoren, Schalter und Automobilelektronik, entstanden 2019 aus dem Zusammenschluss von Alps Electric und Alpine Electronics.
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