JPH0174697U - - Google Patents

Info

Publication number
JPH0174697U
JPH0174697U JP1987170470U JP17047087U JPH0174697U JP H0174697 U JPH0174697 U JP H0174697U JP 1987170470 U JP1987170470 U JP 1987170470U JP 17047087 U JP17047087 U JP 17047087U JP H0174697 U JPH0174697 U JP H0174697U
Authority
JP
Japan
Prior art keywords
diaphragm
edge portion
main body
ridges
dome
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
JP1987170470U
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 JP1987170470U priority Critical patent/JPH0174697U/ja
Publication of JPH0174697U publication Critical patent/JPH0174697U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Diaphragms For Electromechanical Transducers (AREA)

Description

【図面の簡単な説明】
第１図は本考案実施例の正面図、第２図は同側
断面図、第３図は同エツジ部のＢＢ方向断面図、
第４図は同ＣＣ方向断面図である。 １は振動板本体部、２はエツジ部、３はボイス
コイルである。

Claims (1)

  1. 【実用新案登録請求の範囲】 １ ドーム形状の振動板本体部１の周囲にエツジ
    部２が形成されている振動板に於て、当該エツジ
    部２が、半径方向断面が円弧状であるロール形状
    に重畳して前記振動板本体部１の接線方向に沿つ
    て凸条２ａと凹条２ｂとが交互に形成されている
    形状であることを特徴とする振動板。 ２ 前記凸条２ａ並びに凹条２ｂがエツジ部２の
    幅の約７５％〜１００％の範囲に形成されている
    ことを特徴とする実用新案登録請求の範囲第１項
    記載の振動板。
JP1987170470U 1987-11-06 1987-11-06 Pending JPH0174697U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987170470U JPH0174697U (ja) 1987-11-06 1987-11-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987170470U JPH0174697U (ja) 1987-11-06 1987-11-06

Publications (1)

Publication Number Publication Date
JPH0174697U true JPH0174697U (ja) 1989-05-19

Family

ID=31461445

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987170470U Pending JPH0174697U (ja) 1987-11-06 1987-11-06

Country Status (1)

Country Link
JP (1) JPH0174697U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003230192A (ja) * 2002-02-01 2003-08-15 Foster Electric Co Ltd 電気音響変換器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003230192A (ja) * 2002-02-01 2003-08-15 Foster Electric Co Ltd 電気音響変換器

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