JPH0226898U - - Google Patents

Info

Publication number
JPH0226898U
JPH0226898U JP10431788U JP10431788U JPH0226898U JP H0226898 U JPH0226898 U JP H0226898U JP 10431788 U JP10431788 U JP 10431788U JP 10431788 U JP10431788 U JP 10431788U JP H0226898 U JPH0226898 U JP H0226898U
Authority
JP
Japan
Prior art keywords
plate
acoustic transducer
inner diameter
auxiliary plate
center 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.)
Granted
Application number
JP10431788U
Other languages
English (en)
Other versions
JPH0744156Y2 (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 JP1988104317U priority Critical patent/JPH0744156Y2/ja
Publication of JPH0226898U publication Critical patent/JPH0226898U/ja
Application granted granted Critical
Publication of JPH0744156Y2 publication Critical patent/JPH0744156Y2/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図は本考案の一実施例を示す半裁断面図、
第２図ａ，ｂ及びｃは従来の音響変換器の半裁断
面の概略図である。 １……永久磁石、２……センターポール、３…
…ヨーク、４……プレート、４ａ……補助プレー
ト、５……コイル、６……振動板。

Claims (1)

    【実用新案登録請求の範囲】
  1. フイルム又はリボン振動板に導体を設けた音響
    変換器において、プレートの内径より小さい内径
    の補助プレートを前記プレート上に設け、かつ補
    助プレートの内周下端部よりセンターポールの頂
    部を低くしたことを特徴とする音響変換器。
JP1988104317U 1988-08-05 1988-08-05 音響変換器 Expired - Lifetime JPH0744156Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988104317U JPH0744156Y2 (ja) 1988-08-05 1988-08-05 音響変換器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988104317U JPH0744156Y2 (ja) 1988-08-05 1988-08-05 音響変換器

Publications (2)

Publication Number Publication Date
JPH0226898U true JPH0226898U (ja) 1990-02-21
JPH0744156Y2 JPH0744156Y2 (ja) 1995-10-09

Family

ID=31335926

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988104317U Expired - Lifetime JPH0744156Y2 (ja) 1988-08-05 1988-08-05 音響変換器

Country Status (1)

Country Link
JP (1) JPH0744156Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014036290A (ja) * 2012-08-08 2014-02-24 Sanyo Electric Co Ltd スピーカおよびこれを用いた携帯電話および電子機器

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57199400A (en) * 1981-05-26 1982-12-07 Philips Nv Electric-acoustic converter

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57199400A (en) * 1981-05-26 1982-12-07 Philips Nv Electric-acoustic converter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014036290A (ja) * 2012-08-08 2014-02-24 Sanyo Electric Co Ltd スピーカおよびこれを用いた携帯電話および電子機器

Also Published As

Publication number Publication date
JPH0744156Y2 (ja) 1995-10-09

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