JPS59171494U

JPS59171494U - speaker

Info

Publication number: JPS59171494U
Application number: JP6701083U
Authority: JP
Inventors: 稲垣　彰
Original assignee: Mitsubishi Electric Corp
Current assignee: Mitsubishi Electric Corp
Priority date: 1983-05-04
Filing date: 1983-05-04
Publication date: 1984-11-16

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構造を示す縦断面図、第２図
は第１図の要部拡大図、第３図はこの考案のスピーカの
構造を示す縦断面図、第４図は、第３図の要部拡大図、
第５図は従来のスピーカとこの考案のスピーカとの音圧
周波数特性を示す特性図である。図において、１・・・・・・ボイスコイル、２・・・・・・巻芯、３
・・・・・・ダイアフラム、４・・・・・・ポールピー
ス、５・・・・・・マグネット、６・・・・・・プレー
ト、７・・・・・・フレーム、８・・・・・・接着剤、
９・・・・・・エツジ、Ａ・・・・・・かしめ部分、Ｘ
・・・・・・従来のスピーカ特性、Ｙ・・・・・・この
考案のスピーカ特性、である。なお各図中、同一符号は
同−又は相当部分を示す。Fig. 1 is a longitudinal sectional view showing the structure of a conventional speaker, Fig. 2 is an enlarged view of the main part of Fig. 1, Fig. 3 is a longitudinal sectional view showing the structure of the speaker of this invention, and Fig. 4 is Enlarged view of the main parts of Figure 3,
FIG. 5 is a characteristic diagram showing the sound pressure frequency characteristics of a conventional speaker and a speaker of this invention. In the figure, 1... Voice coil, 2... Winding core, 3
...Diaphragm, 4...Pole piece, 5...Magnet, 6...Plate, 7...Frame, 8... ··glue,
9... Edge, A... Caulked part, X
. . . Conventional speaker characteristics, Y . . . Speaker characteristics of this invention. In each figure, the same reference numerals indicate the same or corresponding parts.

Claims

[Scope of utility model registration request]

In an electrodynamic speaker comprising a voice coil wound around a core made of a metal material, a diaphragm also made of a metal material, and a magnetic circuit for driving the voice coil, the winding A speaker characterized by having a structure in which a core and a diaphragm are joined by caulking.