Akustische Vorrichtung

Details

Veröffentlichungs-Nr.

EP4021014

Aktenzeichen

EP21213513

Anmeldetag

9. Dezember 2021

Veröffentlichung

29. Juni 2022

Rechtsraum

EP

IPC

H04R9/04

Abstract

An acoustic device includes a main body case, a vibrating body provided inside of the main body case, a magnetic circuit unit disposed in front of the vibrating body in a sound emitting direction of the vibrating body, a coil located inside of a magnetic gap of the magnetic circuit unit, a bobbin configured to support the coil and vibrate along with the vibrating body, and a damper configured to connect the main body case to the bobbin. The damper is disposed in the rear of the vibrating body, and a damper regulation unit is provided in the rear of the damper at a position facing the damper.

Anmelder

Firma

Alps Alpine Co., Ltd.

Land

🇯🇵 Japan

Fachgebiete