JPS59140599U - Electromagnetic acoustic transducer - Google Patents

Electromagnetic acoustic transducer

Info

Publication number
JPS59140599U
JPS59140599U JP3355683U JP3355683U JPS59140599U JP S59140599 U JPS59140599 U JP S59140599U JP 3355683 U JP3355683 U JP 3355683U JP 3355683 U JP3355683 U JP 3355683U JP S59140599 U JPS59140599 U JP S59140599U
Authority
JP
Japan
Prior art keywords
acoustic transducer
electromagnetic acoustic
protection plate
diaphragm
outer pole
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
JP3355683U
Other languages
Japanese (ja)
Inventor
健二 松谷
Original Assignee
株式会社ナカヨ通信機
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 株式会社ナカヨ通信機 filed Critical 株式会社ナカヨ通信機
Priority to JP3355683U priority Critical patent/JPS59140599U/en
Publication of JPS59140599U publication Critical patent/JPS59140599U/en
Pending legal-status Critical Current

Links

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 drawings]

第１図は従来のこの種の電磁型音響変換器の要部断面図
、第２図は本考案の一実施例による電磁型音響変換器の
要部断面図。 １・・・外極、１−１′・・・外極１のひさし状部、５
・・・フレーム、６・・・振動板、７・・・押えリング
、８・・・保護板。FIG. 1 is a sectional view of a main part of a conventional electromagnetic acoustic transducer of this type, and FIG. 2 is a sectional view of a main part of an electromagnetic acoustic transducer according to an embodiment of the present invention. 1...Outer pole, 1-1'...Eave-like part of outer pole 1, 5
... Frame, 6... Diaphragm, 7... Presser ring, 8... Protective plate.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 振動板、外極、内極、コイル、永久磁石および保護板よ
りなる電磁型音響変換器において、椀状て椀状の縁周辺
を屈曲し振動板搭載面までひさし状に延伸しひさし状部
を設けた外極と振動仮押え用の押し出し部を設けた保護
板と、該保護板により振動板と外極ひさし状部とを叙め
るようにして成ることを特徴とする電磁型音響変換器。In an electromagnetic acoustic transducer consisting of a diaphragm, an outer pole, an inner pole, a coil, a permanent magnet, and a protection plate, the edge of the bowl shape is bent and extended to the diaphragm mounting surface to form a canopy. An electromagnetic acoustic transducer comprising an outer pole provided thereon, a protection plate provided with an extruded part for vibrating temporary holding, and a diaphragm and an outer pole eaves shaped part defined by the protection plate. .
JP3355683U 1983-03-10 1983-03-10 Electromagnetic acoustic transducer Pending JPS59140599U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3355683U JPS59140599U (en) 1983-03-10 1983-03-10 Electromagnetic acoustic transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3355683U JPS59140599U (en) 1983-03-10 1983-03-10 Electromagnetic acoustic transducer

Publications (1)

Publication Number Publication Date
JPS59140599U true JPS59140599U (en) 1984-09-19

Family

ID=30164339

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3355683U Pending JPS59140599U (en) 1983-03-10 1983-03-10 Electromagnetic acoustic transducer

Country Status (1)

Country Link
JP (1) JPS59140599U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013046355A1 (en) * 2011-09-28 2013-04-04 三菱電機株式会社 Electromotive type sound emitter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013046355A1 (en) * 2011-09-28 2013-04-04 三菱電機株式会社 Electromotive type sound emitter

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