Pioneer Corporation

Tohoku Pioneer Corporation

Yasumi Umetsu

Minoru Horigome

Tatsuya Suzuki

Takayuki Negishi

Toru Nakamura

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

A speaker device includes a diaphragm, a frame supporting the diaphragm vibratably along a vibration direction, and a driving part disposed in proximity of the frame and vibrating the diaphragm corresponding to an audio signal. The driving part includes a magnetic circuit having a magnetic gap formed along a direction different from the vibration direction of the diaphragm, a voice coil supporting part having a voice coil and vibrating along the magnetic gap, and a vibration-direction-conversion part direction-converting the vibration of the voice coil supporting part and transmitting the vibration to the diaphragm. The vibration-direction-conversion part includes a link body angle-converting a link part formed between the voice coil supporting part and the diaphragm.

Growing community of inventors

Yamagata, Japan

Yasumi Umetsu