JPS5864184U

JPS5864184U - speaker device

Info

Publication number: JPS5864184U
Application number: JP15879881U
Authority: JP
Inventors: 西野　俊郎; 桧垣　英次
Original assignee: 三洋電機株式会社
Priority date: 1981-10-23
Filing date: 1981-10-23
Publication date: 1983-04-30

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来のバスレフ型スピーカを示す側断面図、第
２図は本考案に係るスピーカ装置の一実施例を示す図で
、ａは正面図、ｂは側断面図である。第３図は本考案の
要旨となるダクト部分の分解斜視図、第４図はダクトの
断面に示す図で、ａはダクト片３個で形成した場合、ｂ
はダクト片２個で形成した場合、Ｃはダクート片１個の
場合を示している。１１・・・スピーカボックス、１５．１５’、１５“・
・・ダクト片、１５ａ・・・ホーン部。FIG. 1 is a side sectional view showing a conventional bass reflex type speaker, and FIG. 2 is a view showing an embodiment of a speaker device according to the present invention, in which a is a front view and b is a side sectional view. Fig. 3 is an exploded perspective view of the duct part, which is the gist of the present invention, and Fig. 4 is a cross-sectional view of the duct.
C shows the case where it is formed with two duct pieces, and C shows the case where it is formed with one duct piece. 11...Speaker box, 15.15', 15"
...Duct piece, 15a...Horn part.

Claims

[Scope of utility model registration request]

(1) In a speaker device in which a signal wave radiated from the back of the speaker into the inside of the speaker box is phase-inverted via a duct and emitted to the outside of the speaker box, a plurality of duct pieces that can connect and separate the duct 1. A speaker device, characterized in that the length of the dark can be varied depending on the speaker attached to the speaker box.

(2) Scope of utility model registration claims where the duct is formed into a labyrinth shape with multiple duct pieces when the duct length is the longest, Box 5 (1)
) The speaker device described in section 2. (3) The speaker device according to claim (1), wherein one of the plurality of duct pieces is horn-shaped.