Matsushita Electric Industrial Co., Ltd.

Panasonic Intellectual Property Management Co., Ltd.

Isao Kuramitsu

Suemei Fukuhara

Shuji Saiki

Akihisa Kawamura

Satoshi Takayama

Toshiyuki Matsumura

Kazuki Honda

Takafumi Yuasa

Tatsuya Omori

Ippei Kiyama

Toshiyuki Mizutani

Provided is a loudspeaker device that can improve sound quality. The loudspeaker device includes: a loudspeaker housing; a first loudspeaker unit provided in a first wall of the loudspeaker housing; and an acoustic tube communicating an inside and an outside of the loudspeaker housing to each other. The acoustic tube has a predetermined length, and is accommodated in the loudspeaker housing and is helically shaped.

Speaker device

The present invention provides a loudspeaker capable of matching a sound image and a picture image on a screen of an image reproducer with each other in simple construction and a simple method of installation. The loudspeaker is located above the image reproducer in the vicinity thereof and so constructed as to reproduce a center channel signal in a multichannel sound signal for a movie or the like as a principal object, which comprises a main speaker unit, particular band preventing means for suppressing the level of a particular band in a band of not less than approximately 4 kHz of the main speaker unit, a sub-speaker unit, particular band passing means connected to the sub-speaker unit for passing only the particular band, and a dispersing device located on a front surface of the sub-speaker unit and so constructed that a reproduced sound radiated from the sub-speaker unit is mainly composed of a diffused sound.

Loudspeaker

Growing community of inventors

Osaka, Japan

Isao Kuramitsu