JPS61121097U

JPS61121097U -

Info

Publication number: JPS61121097U
Application number: JP516085U
Authority: JP
Priority date: 1985-01-17
Filing date: 1985-01-17
Publication date: 1986-07-30

Description

[Brief explanation of the drawing]

第１図はこの考案実施例の角型スピーカーの平
面図、第２図は同エツジ部の一部切断斜視図、第
３図はこの考案他の実施例の角型スピーカーの平
面図、第４図は同エツジ部の一部切断斜視図、第
５図はこの考案実施例および従来例の角型スピー
カーのそれぞれのアドミタンス特性図、第６図は
従来例の角型スピーカーの平面図である。１は振動板、２はロールエツジ、２ｄはロール
、３はフレームである。 Fig. 1 is a plan view of a square speaker according to an embodiment of this invention, Fig. 2 is a partially cutaway perspective view of the edge portion of the same, Fig. 3 is a plan view of a square speaker according to another embodiment of this invention, The figure is a partially cutaway perspective view of the edge portion, FIG. 5 is an admittance characteristic diagram of the rectangular speaker according to the embodiment of the invention and the conventional example, and FIG. 6 is a plan view of the conventional rectangular speaker. 1 is a diaphragm, 2 is a roll edge, 2d is a roll, and 3 is a frame.

Claims

[Scope of utility model registration request]

In a rectangular speaker comprising a diaphragm 1 whose joint portion with an edge 2 has a substantially rectangular edge and a roll edge 2 that elastically supports the diaphragm 1 on a frame 3, a corner of the diaphragm 1 of the roll edge 2 A rectangular speaker characterized in that a mating joint part is formed at least on the inner circumference of the roll 2d portion of the curved part 2a to be joined.