JPS5957095U - electrodynamic speaker - Google Patents

electrodynamic speaker

Info

Publication number
JPS5957095U
JPS5957095U JP15288782U JP15288782U JPS5957095U JP S5957095 U JPS5957095 U JP S5957095U JP 15288782 U JP15288782 U JP 15288782U JP 15288782 U JP15288782 U JP 15288782U JP S5957095 U JPS5957095 U JP S5957095U
Authority
JP
Japan
Prior art keywords
circumferential surface
yoke
permanent magnet
center
electrodynamic speaker
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP15288782U
Other languages
Japanese (ja)
Inventor
英夫 麻生
Original Assignee
株式会社精工舎
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社精工舎 filed Critical 株式会社精工舎
Priority to JP15288782U priority Critical patent/JPS5957095U/en
Publication of JPS5957095U publication Critical patent/JPS5957095U/en
Pending legal-status Critical Current

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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) [Abstract] 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図は従来の動電型スピーカを示す断面図、第２図は
本考案の動電型スピーカを示す断面図である。　　　　
　　　　　　− １１・・・フレーム、１２・・・ヨーク、１３・・・永
久磁束、１４・・・中心ヨーク２．１５−・・・振動板
、１６・・・可動コイル。FIG. 1 is a sectional view showing a conventional electrodynamic speaker, and FIG. 2 is a sectional view showing an electrodynamic speaker according to the present invention.
- 11... Frame, 12... Yoke, 13... Permanent magnetic flux, 14... Center yoke 2.15-... Vibration plate, 16... Moving coil.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 内周面と外周面とが互いに異極となるように着磁したド
ーナツツ状永久磁石を有底筒状の磁性材ヨークの側壁内
面に固着し、上記ヨークの底部中央に上記永久磁石の中
空部に延伸する中心ヨークを形成し、上記永久磁石の内
周面と上記中心ヨークの外周面との間のエアーギャップ
に振動板の可動コイルを挿通した動電型スピーカ。A donut-shaped permanent magnet magnetized so that the inner circumferential surface and the outer circumferential surface have different polarities is fixed to the inner surface of the side wall of a bottomed cylindrical magnetic material yoke, and a hollow part of the permanent magnet is placed in the center of the bottom of the yoke. An electrodynamic speaker comprising: a central yoke extending to the center; and a moving coil of a diaphragm inserted into an air gap between the inner circumferential surface of the permanent magnet and the outer circumferential surface of the center yoke.
JP15288782U 1982-10-08 1982-10-08 electrodynamic speaker Pending JPS5957095U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15288782U JPS5957095U (en) 1982-10-08 1982-10-08 electrodynamic speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15288782U JPS5957095U (en) 1982-10-08 1982-10-08 electrodynamic speaker

Publications (1)

Publication Number Publication Date
JPS5957095U true JPS5957095U (en) 1984-04-13

Family

ID=30338405

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15288782U Pending JPS5957095U (en) 1982-10-08 1982-10-08 electrodynamic speaker

Country Status (1)

Country Link
JP (1) JPS5957095U (en)

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