Akustisches system

Details

Veröffentlichungs-Nr.

EP4776651

Anmeldetag

9. Dezember 2025

Veröffentlichung

15. Juli 2026

Rechtsraum

EP

IPC

H04R3/00, H04R9/04

Abstract

An acoustic system includes a speaker; a driver configured to drive the speaker by a drive signal generated from an audio signal to be input; and a displacement estimator. The speaker includes a first magnetic gap, a second magnetic gap overlapping the first magnetic gap as viewed in an axial direction of the speaker, and a first voice coil and a second voice coil that are fixed to a vibration system of the speaker configured to vibrate in the axial direction, such that the first voice coil and the second voice coil are positioned in the first magnetic gap and the second magnetic gap as viewed in the axial direction.

Anmelder

Firma

Alps Alpine Co., Ltd.

Land

🇯🇵 Japan

Fachgebiete