JPH02118393U - - Google Patents

Info

Publication number
JPH02118393U
JPH02118393U JP2783489U JP2783489U JPH02118393U JP H02118393 U JPH02118393 U JP H02118393U JP 2783489 U JP2783489 U JP 2783489U JP 2783489 U JP2783489 U JP 2783489U JP H02118393 U JPH02118393 U JP H02118393U
Authority
JP
Japan
Prior art keywords
magnetic circuit
magnet
electroacoustic transducer
pole piece
diaphragm
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.)
Granted
Application number
JP2783489U
Other languages
English (en)
Other versions
JPH075759Y2 (ja
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 filed Critical
Priority to JP2783489U priority Critical patent/JPH075759Y2/ja
Publication of JPH02118393U publication Critical patent/JPH02118393U/ja
Application granted granted Critical
Publication of JPH075759Y2 publication Critical patent/JPH075759Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Description

【図面の簡単な説明】
第１図はこの考案の一実施例における要部部を
示す縦断面図、第２図はそのポールピースを一部
切り欠いて示す側面図、第３図は従来の電気音響
変換器の一例の要部を示す縦断面図である。 図面において、１はボイスコイル、３はヨーク
フレーム、４は振動板、８は受け部、１１はマグ
ネツト、１２はポールピース、１３は凹部、１４
はつば部である。

Claims (1)

    【実用新案登録請求の範囲】
  1. 振動板の中心部に固定したボイスコイルをポー
    ルピースとヨークフレームおよびマグネツトで構
    成される磁気回路の間〓に位置させた電気音響変
    換器の磁気回路において、前記ポールピースは凹
    部と、この凹部の解放端縁から略水平に外方に延
    在するつば部とを有し、前記凹部の底部に前記マ
    グネツトが位置することを特徴とする電気音響変
    換器の磁気回路。
JP2783489U 1989-03-10 1989-03-10 電気音響変換器の磁気回路 Expired - Lifetime JPH075759Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2783489U JPH075759Y2 (ja) 1989-03-10 1989-03-10 電気音響変換器の磁気回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2783489U JPH075759Y2 (ja) 1989-03-10 1989-03-10 電気音響変換器の磁気回路

Publications (2)

Publication Number Publication Date
JPH02118393U true JPH02118393U (ja) 1990-09-21
JPH075759Y2 JPH075759Y2 (ja) 1995-02-08

Family

ID=31250677

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2783489U Expired - Lifetime JPH075759Y2 (ja) 1989-03-10 1989-03-10 電気音響変換器の磁気回路

Country Status (1)

Country Link
JP (1) JPH075759Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005168001A (ja) * 2003-11-13 2005-06-23 Matsushita Electric Ind Co Ltd 高音用スピーカ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005168001A (ja) * 2003-11-13 2005-06-23 Matsushita Electric Ind Co Ltd 高音用スピーカ

Also Published As

Publication number Publication date
JPH075759Y2 (ja) 1995-02-08

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term