Mitsubishi Electric Corporation

Keigo Taruishi

Toshiya Suzuki

Masaaki Yamada

Masami Aikawa

Susumu Fujiwara

Kengo Yoshida

Taiki Morikura

Kensuke Imajo

An audio system for an elevator includes two or more speaker cabinets arranged inside a suspended ceiling fixed to a ceiling board of a car of the elevator, an input device to which sound content radiated to an inside of the car from each of the two or more speaker cabinets are input, and a sound field control device configured to conduct phase control and reverberation time control for the sound content and thereby cause a sound wave based on the sound content to be radiated from the speaker cabinet to the inside of the car. Each of the speaker cabinets includes a casing arranged inside the suspended ceiling, and a speaker unit arranged inside the casing and having a radiation surface that radiates the sound wave.

Audio system for elevator

Growing community of inventors

Tokyo, Japan

Keigo Taruishi