JPS58111593U - speaker - Google Patents

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

【図面の簡単な説明】[Brief explanation of the drawing]

第１図へ、Ｂは夫々本考案めスピーカの一実施例の断面
図及び背面側よりみた図、第２図は第１図Ａ中フレーム
の一部を拡大して示す断面図、第３図は第１図Ａのスピ
ーカの発音中でのフレームの振動特性を示す図、第４図
は従来のフレームの振動特性を示す図、第５図は第１図
Ａ、　Ｂのスピ゛−カの周波数特性及びインピーダンス
特性を従来例のものと併せて示す図、第６図Ａ、　Ｂは
夫々本考案のスピーカの別の実施例の断面図及び正面側
よりみた図である。 １・・・・・・コーンスピーカ、２・・・・・・コーン
、４゜２４・・・・・・フレーム、６．２２・・・・・
・ボイスコイル、７．２５・・・・・・永久磁石、１０
．３０・・・・・・フレーム　　　　一本体、１１．３
１・・・・・・アルミナ溶射層、２０・・・・・・ドー
ムスピーカ、２１・・・・・・ダイヤフラム。1, B is a sectional view and a view from the rear side of an embodiment of the speaker of the present invention, FIG. 2 is an enlarged sectional view of a part of the frame in FIG. 1A, and FIG. is a diagram showing the vibration characteristics of the frame during sound generation of the speaker in Figure 1A, Figure 4 is a diagram showing the vibration characteristics of the conventional frame, and Figure 5 is a diagram showing the vibration characteristics of the speaker in Figure 1A and B. FIGS. 6A and 6B are a diagram showing frequency characteristics and impedance characteristics together with those of a conventional example, and are respectively a sectional view and a front view of another embodiment of the speaker of the present invention. 1... Cone speaker, 2... Cone, 4°24... Frame, 6.22...
・Voice coil, 7.25...Permanent magnet, 10
．． 30...Frame 1 body, 11.3
1... Alumina sprayed layer, 20... Dome speaker, 21... Diaphragm.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 音響用金属振動部材に金属或いは無機物を溶射してなる
構造の金属部品を具備してなるスピーカ。A speaker equipped with a metal part having a structure in which a metal or inorganic substance is sprayed onto an acoustic metal vibrating member.