JPS583691U - flat diaphragm - Google Patents

flat diaphragm

Info

Publication number
JPS583691U
JPS583691U JP9620581U JP9620581U JPS583691U JP S583691 U JPS583691 U JP S583691U JP 9620581 U JP9620581 U JP 9620581U JP 9620581 U JP9620581 U JP 9620581U JP S583691 U JPS583691 U JP S583691U
Authority
JP
Japan
Prior art keywords
flat diaphragm
core material
continuous recesses
flat
corrugated
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
JP9620581U
Other languages
Japanese (ja)
Inventor
隆史 大矢場
Original Assignee
パイオニア株式会社
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 by パイオニア株式会社 filed Critical パイオニア株式会社
Priority to JP9620581U priority Critical patent/JPS583691U/en
Publication of JPS583691U publication Critical patent/JPS583691U/en
Pending legal-status Critical Current

Links

Landscapes

  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来の平面振動板の一例を示す一部切欠斜面図
、第２図は本考案の平面振動板の一実施例を系す斜面図
、第３図は同じく背部から見た斜面図、第４図は本考案
の他の実施例を示す平面図、第５図は同じく側面図であ
る。 １・・・芯材、ＩＡ・・・連続凹部、２・・・発泡部材
。Fig. 1 is a partially cutaway slope view showing an example of a conventional flat diaphragm, Fig. 2 is a slope view showing an embodiment of the flat diaphragm of the present invention, and Fig. 3 is a slope view similarly seen from the back. , FIG. 4 is a plan view showing another embodiment of the present invention, and FIG. 5 is a side view of the same. 1... Core material, IA... Continuous recess, 2... Foamed member.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 軽量高弾性率な材料を用いて波形状又は類似形状で放射
方向に伸びる連続凹部をその表裏面に設けることによっ
て芯材を形成し、該芯材め少なくとも片面の前記連続凹
部に内部損失の大きい発泡材料を充填するとともにぞの
表面を平板状に形成したことを特徴とした平面振動板。A core material is formed by providing continuous recesses extending in the radial direction in a corrugated or similar shape on the front and back surfaces of a lightweight, high-modulus material, and the continuous recesses on at least one side of the core material have a large internal loss. A flat diaphragm characterized by being filled with a foam material and having a flat surface.
JP9620581U 1981-06-30 1981-06-30 flat diaphragm Pending JPS583691U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9620581U JPS583691U (en) 1981-06-30 1981-06-30 flat diaphragm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9620581U JPS583691U (en) 1981-06-30 1981-06-30 flat diaphragm

Publications (1)

Publication Number Publication Date
JPS583691U true JPS583691U (en) 1983-01-11

Family

ID=29891086

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9620581U Pending JPS583691U (en) 1981-06-30 1981-06-30 flat diaphragm

Country Status (1)

Country Link
JP (1) JPS583691U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2007034781A1 (en) * 2005-09-20 2009-03-26 株式会社ビームテック Speaker, speaker diaphragm and suspension

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2007034781A1 (en) * 2005-09-20 2009-03-26 株式会社ビームテック Speaker, speaker diaphragm and suspension

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