Pioneer Corporation

Tohoku Pioneer Corporation

Takayuki Negishi

Hiroyuki Kobayashi

Hiroyuki Dohi

Tatsuya Suzuki

Satoru Hiwatari

Yasumi Umetsu

Toru Nakamura

A speaker unit emits a sound towards a box-like space formed by a vehicle. The speaker unit is accommodated in an enclosure. At least one of the enclosure and the speaker unit is provided with a tubular member and/or a vibration member configured to generate a resonance sound of a frequency different from a lowest resonance frequency of the speaker unit. At least a part of the enclosure also serves as a body of the vehicle.

Sound generator for mobile entities

A speaker system for a mobile object capable of being easily mounted on the mobile object is provided. The speaker system includes a speaker unit, enclosure accommodating the speaker unit, and a tubular member one end of which is connected to an internal space of the enclosure, and the speaker unit and the enclosure are built in a back door thereof. A free space in a vehicle is utilized effectively, thereby mounting the speaker system for the mobile object in the vehicle easily.

Speaker system for mobile object

Growing community of inventors

Tendo, Japan

Takayuki Negishi