JPS6333299U - - Google Patents

Info

Publication number
JPS6333299U
JPS6333299U JP12577786U JP12577786U JPS6333299U JP S6333299 U JPS6333299 U JP S6333299U JP 12577786 U JP12577786 U JP 12577786U JP 12577786 U JP12577786 U JP 12577786U JP S6333299 U JPS6333299 U JP S6333299U
Authority
JP
Japan
Prior art keywords
outer pole
coil
hole
pole
acoustic transducer
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
JP12577786U
Other languages
English (en)
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 JP12577786U priority Critical patent/JPS6333299U/ja
Publication of JPS6333299U publication Critical patent/JPS6333299U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)

Description

【図面の簡単な説明】
第1図A,B、およびCはそれぞれ本考案の一
実施例による電磁形音響変換器の平面図と断面図
および○イ部拡大図。第2図A,Bは従来のこの
種の電磁形音響変換器の平面図と断面図である。 6……バツクカバ、7……音響抵抗となるスリ
ツト、10……外部接続端子、1a……貫通孔、
1b……凹み。

Claims (1)

    【実用新案登録請求の範囲】
  1. 振動板、内極、コイル、永久磁石および外極よ
    りなる電磁形音響変換器において、外極の板厚方
    向に貫通する孔と、外極とコイルボゲンのツバと
    の間で貫通孔に連接する凹みを外極に設けて音響
    抵抗を構成し、かつ外部接続端子のベースとなる
    バツクカバによりフレームを兼用し、磁気回路を
    構成してなることを特徴とする電磁形音響変換器
JP12577786U 1986-08-20 1986-08-20 Pending JPS6333299U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12577786U JPS6333299U (ja) 1986-08-20 1986-08-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12577786U JPS6333299U (ja) 1986-08-20 1986-08-20

Publications (1)

Publication Number Publication Date
JPS6333299U true JPS6333299U (ja) 1988-03-03

Family

ID=31018975

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12577786U Pending JPS6333299U (ja) 1986-08-20 1986-08-20

Country Status (1)

Country Link
JP (1) JPS6333299U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013251660A (ja) * 2012-05-31 2013-12-12 Audio Technica Corp ヘッドホンユニットおよびヘッドホン

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5714640A (en) * 1980-07-02 1982-01-25 Toray Ind Inc Separating membrane of methyl methacrylate type

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5714640A (en) * 1980-07-02 1982-01-25 Toray Ind Inc Separating membrane of methyl methacrylate type

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013251660A (ja) * 2012-05-31 2013-12-12 Audio Technica Corp ヘッドホンユニットおよびヘッドホン

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