JPS6181291U - - Google Patents

Info

Publication number
JPS6181291U
JPS6181291U JP16632784U JP16632784U JPS6181291U JP S6181291 U JPS6181291 U JP S6181291U JP 16632784 U JP16632784 U JP 16632784U JP 16632784 U JP16632784 U JP 16632784U JP S6181291 U JPS6181291 U JP S6181291U
Authority
JP
Japan
Prior art keywords
pole
lower plate
small holes
circuit
upper plate
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
JP16632784U
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 JP16632784U priority Critical patent/JPS6181291U/ja
Publication of JPS6181291U publication Critical patent/JPS6181291U/ja
Pending 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図は本考案磁気回路の断面図、第2図は下
部プレートの上面図である。 1はポール、2は下部プレート、3はリング状
マグネツト、4は上部プレート、5は磁気空隙、
6は小孔、7は高導磁率磁性材料である。

Claims (1)

    【実用新案登録請求の範囲】
  1. 中央にポール1を突設した下部プレート2上に
    リング状マグネツト3を、更にその上に上部プレ
    ート4をそれぞれ載置し、該上部プレート4と前
    記ポール1とで磁気空隙5を形成したスピーカー
    用磁気回路において、前記下部プレート2のポー
    ル1付根外周辺に複数個の小孔6を放射状に穿設
    し、当該小孔6に高導磁率磁性材料7を充填した
    ことを特徴とするスピーカー用磁気回路。
JP16632784U 1984-11-01 1984-11-01 Pending JPS6181291U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16632784U JPS6181291U (ja) 1984-11-01 1984-11-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16632784U JPS6181291U (ja) 1984-11-01 1984-11-01

Publications (1)

Publication Number Publication Date
JPS6181291U true JPS6181291U (ja) 1986-05-29

Family

ID=30724149

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16632784U Pending JPS6181291U (ja) 1984-11-01 1984-11-01

Country Status (1)

Country Link
JP (1) JPS6181291U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53135618A (en) * 1977-05-02 1978-11-27 Hitachi Ltd Magnetic circuit of speakers

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53135618A (en) * 1977-05-02 1978-11-27 Hitachi Ltd Magnetic circuit of speakers

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