JPS59143195U

JPS59143195U - speaker

Info

Publication number: JPS59143195U
Application number: JP3710183U
Authority: JP
Inventors: 高橋　正善
Original assignee: パイオニア株式会社
Priority date: 1983-03-15
Filing date: 1983-03-15
Publication date: 1984-09-25

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図は従来例のスピーカを示す要部の半切断面図、第
２図は本考案に係るスピーカの組立前の状態を示す斜視
図で、第３図は同組立後の要部を示す半切断面図、第４
図は漏洩磁束分布曲線、第５図は本考案に係るスピーカ
の具体的使用例を示す斜視図で、第６図は同要部の斜視
図を示す。２・・・磁気回路、３・・・ヨーク、９・・・シールド
板、１０・・・天板部、１１ａ、１１ｂ・・・側板部、
１２・・・底板部、１３・・・当接嵌合部。Fig. 1 is a half-cut sectional view of the main parts of a conventional speaker, Fig. 2 is a perspective view of the speaker according to the present invention before assembly, and Fig. 3 is a half-cut sectional view of the main parts after assembly. Cross section, 4th
The figure shows a leakage magnetic flux distribution curve, FIG. 5 is a perspective view showing a specific usage example of the speaker according to the present invention, and FIG. 6 is a perspective view of the main parts. 2... Magnetic circuit, 3... Yoke, 9... Shield plate, 10... Top plate part, 11a, 11b... Side plate part,
12... Bottom plate part, 13... Abutment fitting part.

Claims

[Scope of utility model registration request]

In a speaker having an internal magnet type magnetic circuit, a shield plate surrounding the magnetic circuit is formed of a high magnetic permeability material, and the shield plate has a tS portion facing and spaced apart from the rear surface of the magnetic circuit; a side plate part that extends to both left and right ends of the top plate part and faces the side surface of the magnetic circuit at a distance; and a bottom plate part that extends to the front end of the image of the side plate part and is parallel to the top plate part and is divided at the center; A speaker comprising: a notch formed in a center portion of the bottom plate portion, and a fitting portion for abutting and fitting the magnetic circuit to the yoke.