JPS59183093U

JPS59183093U - speaker

Info

Publication number: JPS59183093U
Application number: JP7707183U
Authority: JP
Inventors: 俊一高橋
Original assignee: パイオニア株式会社
Priority date: 1983-05-24
Filing date: 1983-05-24
Publication date: 1984-12-06

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 drawings]

第１図は従来のスピーカの半断面図、第２図はエツジの
断面図、第３図は従来のスピーカにおけるエツジの変形
を示す説明図、第４図はエクボ現象を示す部分拡大斜視
図、第５図はエクボの発生を説明する図、第６図は本考
案実施例のスピーカの半断面図、第７図は本考案実施例
のエツジの変形を示す説明図である。４・・・磁気ギャップ、６・・・ボイスコイル、８・・
・振動板、８ｂ・・・振動板外周部、９・・・エツジ、
９ｂ・・・エツジ外縁、９Ｃ・・・エツジ内縁、１０・
・・フレーム。Fig. 1 is a half-sectional view of a conventional speaker, Fig. 2 is a sectional view of the edge, Fig. 3 is an explanatory diagram showing deformation of the edge in the conventional speaker, Fig. 4 is a partially enlarged perspective view showing the dimples phenomenon, FIG. 5 is a diagram illustrating the occurrence of dimples, FIG. 6 is a half-sectional view of a speaker according to an embodiment of the present invention, and FIG. 7 is an explanatory diagram showing deformation of an edge according to an embodiment of the present invention. 4...Magnetic gap, 6...Voice coil, 8...
・Vibration plate, 8b...Diaphragm outer periphery, 9...Edge,
9b... Edge outer edge, 9C... Edge inner edge, 10.
··flame.

Claims

[Scope of utility model registration request]

In a speaker in which a voice coil is movably arranged in a magnetic gap, a diaphragm is fixed to the voice coil, and the outer periphery of the diaphragm is supported on a frame by an edge having a substantially semicircular cross section, bonding between the frame and the outer edge of the edge is used. 1. A speaker characterized in that an adhesive portion between an outer peripheral portion of the diaphragm and an inner edge of the edge is biased toward the projecting direction of the semicircular shape.