JPH0425397U - - Google Patents

Info

Publication number
JPH0425397U
JPH0425397U JP6661690U JP6661690U JPH0425397U JP H0425397 U JPH0425397 U JP H0425397U JP 6661690 U JP6661690 U JP 6661690U JP 6661690 U JP6661690 U JP 6661690U JP H0425397 U JPH0425397 U JP H0425397U
Authority
JP
Japan
Prior art keywords
magnetic circuit
internal
magnet
speaker
yoke
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
JP6661690U
Other languages
English (en)
Other versions
JPH0733516Y2 (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 JP1990066616U priority Critical patent/JPH0733516Y2/ja
Publication of JPH0425397U publication Critical patent/JPH0425397U/ja
Application granted granted Critical
Publication of JPH0733516Y2 publication Critical patent/JPH0733516Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related 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図は第１実施例の断面図、第２図は第２実
施例の断面図、第３図は第３実施例の断面図であ
る。１はプレート、２はリング状マグネツト、３
はヨーク、３ａはねじ穴、３ｂは貫通穴、４は非
磁性材から成るナツトである。

Claims (1)

  1. 【実用新案登録請求の範囲】 電気音響変換器における内磁型スピーカ用磁
    気回路において、プレート１と、リング状マグネ
    ツト２と、底面にスピーカ固定用ねじ穴３ａが形
    成されたヨーク３から成ることを特徴とする内磁
    型磁気回路。 電気音響変換器における内磁型スピーカ用磁
    気回路において、プレート１と、リング状マグネ
    ツト２と、底面にスピーカ固定用ねじ穴３ａ又は
    、貫通穴３ｂが形成されたヨーク３と、当該ヨー
    ク３と前記プレート１との間に固着された非磁性
    材から成るナツト４から成ることを特徴とする内
    磁型磁気回路。 上記リング状マグネツト２が、希土類マグネ
    ツトであることを特徴とする実用新案登録請求の
    範囲第項又は第項記載の内磁型磁気回路。
JP1990066616U 1990-06-22 1990-06-22 内磁型磁気回路 Expired - Fee Related JPH0733516Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990066616U JPH0733516Y2 (ja) 1990-06-22 1990-06-22 内磁型磁気回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990066616U JPH0733516Y2 (ja) 1990-06-22 1990-06-22 内磁型磁気回路

Publications (2)

Publication Number Publication Date
JPH0425397U true JPH0425397U (ja) 1992-02-28
JPH0733516Y2 JPH0733516Y2 (ja) 1995-07-31

Family

ID=31599478

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990066616U Expired - Fee Related JPH0733516Y2 (ja) 1990-06-22 1990-06-22 内磁型磁気回路

Country Status (1)

Country Link
JP (1) JPH0733516Y2 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55176699U (ja) * 1979-06-05 1980-12-18
JPH01167797U (ja) * 1988-05-13 1989-11-27

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55176699U (ja) * 1979-06-05 1980-12-18
JPH01167797U (ja) * 1988-05-13 1989-11-27

Also Published As

Publication number Publication date
JPH0733516Y2 (ja) 1995-07-31

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees