JPS6447190U - - Google Patents

Info

Publication number
JPS6447190U
JPS6447190U JP14156087U JP14156087U JPS6447190U JP S6447190 U JPS6447190 U JP S6447190U JP 14156087 U JP14156087 U JP 14156087U JP 14156087 U JP14156087 U JP 14156087U JP S6447190 U JPS6447190 U JP S6447190U
Authority
JP
Japan
Prior art keywords
diaphragm
view
sand
cross
irregularities
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
JP14156087U
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 JP14156087U priority Critical patent/JPS6447190U/ja
Publication of JPS6447190U publication Critical patent/JPS6447190U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Diaphragms For Electromechanical Transducers (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例を示す振動板の正面
図、第２図は上記振動板の横断面図、第３図は第
１図に示す振動板を形成するための金型の断面図
、第４図は従来例の振動板の正面図、第５図は従
来の振動板の横断面図、第６図はイヤホンドライ
バユニツトの構成図、第７図は振動板の振動が大
きくない状態を示す図、第８図ａ，ｂは振動板の
振動が大きく折れ及び凹みが生じた状態を説明す
るための図、第９図はタンデンシヤルコルゲーシ
ヨンが形成された従来の振動板の正面図である。 １……ドーム部、２……円形の膨出部、３……
エツジ、４……振動板、５……ボイスコイル、１
５……砂地状の凹凸。

Claims (1)

    【実用新案登録請求の範囲】
  1. プラスチツクフイルムで形成した振動板の板面
    に砂地状の凹凸を設けたことを特徴とするイヤホ
    ン用振動板。
JP14156087U 1987-09-18 1987-09-18 Pending JPS6447190U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14156087U JPS6447190U (ja) 1987-09-18 1987-09-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14156087U JPS6447190U (ja) 1987-09-18 1987-09-18

Publications (1)

Publication Number Publication Date
JPS6447190U true JPS6447190U (ja) 1989-03-23

Family

ID=31406731

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14156087U Pending JPS6447190U (ja) 1987-09-18 1987-09-18

Country Status (1)

Country Link
JP (1) JPS6447190U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5981997A (ja) * 1983-09-30 1984-05-11 Nippon Atsudenki Kk 動電型電気音響変換器の振動板製造方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5981997A (ja) * 1983-09-30 1984-05-11 Nippon Atsudenki Kk 動電型電気音響変換器の振動板製造方法

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