JPS6429991U - - Google Patents

Info

Publication number
JPS6429991U
JPS6429991U JP12421987U JP12421987U JPS6429991U JP S6429991 U JPS6429991 U JP S6429991U JP 12421987 U JP12421987 U JP 12421987U JP 12421987 U JP12421987 U JP 12421987U JP S6429991 U JPS6429991 U JP S6429991U
Authority
JP
Japan
Prior art keywords
cone
fan
shaped
shaped sections
sections
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
JP12421987U
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 JP12421987U priority Critical patent/JPS6429991U/ja
Publication of JPS6429991U publication Critical patent/JPS6429991U/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a,b及びcは本考案の一実施例を示す
図で、図aは平面図、図bは断面図、図cは図a
のA―A,B―B断面の比較図、第2図a及びb
は本考案の他の実施例を示す図で、図aは平面図
、図bは図aのA′―A′,B′―B′断面の比
較図、第3図は従来の振動板の断面図である。 1…コーン頂部、2…斜面、3…周縁、4,5
…境界、6,7…扇形区画。

Claims (1)

    【実用新案登録請求の範囲】
  1. コーン型振動板を複数の扇形区画に区分し、前
    記扇形区画相互または扇形区画と隣接区画相互に
    コーン頂部の位置を変えることにより半頂角を部
    分的に変化せしめ、かつ扇形区画相互または扇形
    区画と隣接区画相互の境界の断面形状がコーンの
    斜面の外径の1/2以上において変化しているこ
    とを特徴とするスピーカ用振動板。
JP12421987U 1987-08-12 1987-08-12 Pending JPS6429991U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12421987U JPS6429991U (ja) 1987-08-12 1987-08-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12421987U JPS6429991U (ja) 1987-08-12 1987-08-12

Publications (1)

Publication Number Publication Date
JPS6429991U true JPS6429991U (ja) 1989-02-22

Family

ID=31373760

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12421987U Pending JPS6429991U (ja) 1987-08-12 1987-08-12

Country Status (1)

Country Link
JP (1) JPS6429991U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5010231B1 (ja) * 1971-07-19 1975-04-19

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5010231B1 (ja) * 1971-07-19 1975-04-19

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