JPH0113518Y2 - - Google Patents

Info

Publication number
JPH0113518Y2
JPH0113518Y2 JP1980153234U JP15323480U JPH0113518Y2 JP H0113518 Y2 JPH0113518 Y2 JP H0113518Y2 JP 1980153234 U JP1980153234 U JP 1980153234U JP 15323480 U JP15323480 U JP 15323480U JP H0113518 Y2 JPH0113518 Y2 JP H0113518Y2
Authority
JP
Japan
Prior art keywords
fibers
boron
fiber
paper
speaker diaphragm
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.)
Expired
Application number
JP1980153234U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5774593U (enExample
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 JP1980153234U priority Critical patent/JPH0113518Y2/ja
Publication of JPS5774593U publication Critical patent/JPS5774593U/ja
Application granted granted Critical
Publication of JPH0113518Y2 publication Critical patent/JPH0113518Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Paper (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP1980153234U 1980-10-27 1980-10-27 Expired JPH0113518Y2 (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1980153234U JPH0113518Y2 (enExample) 1980-10-27 1980-10-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1980153234U JPH0113518Y2 (enExample) 1980-10-27 1980-10-27

Publications (2)

Publication Number Publication Date
JPS5774593U JPS5774593U (enExample) 1982-05-08
JPH0113518Y2 true JPH0113518Y2 (enExample) 1989-04-20

Family

ID=29512494

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1980153234U Expired JPH0113518Y2 (enExample) 1980-10-27 1980-10-27

Country Status (1)

Country Link
JP (1) JPH0113518Y2 (enExample)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56162598A (en) * 1980-05-20 1981-12-14 Sanyo Electric Co Ltd Manufacture of diaphragm for speaker

Also Published As

Publication number Publication date
JPS5774593U (enExample) 1982-05-08

Similar Documents

Publication Publication Date Title
US4291781A (en) Speaker diaphragm and method of preparation of the same
CN1116397A (zh) 扬声器及其制造方法
JP4611906B2 (ja) スピーカ用振動板の製造方法、およびスピーカ用振動板
JPH0113518Y2 (enExample)
US1984019A (en) Fibrous sound reproducing diaphragmatic members and means for and method of making the same
US4726444A (en) Sound wave control device
CN113079451B (zh) 一种扬声器用发泡纸盆及其制备方法和应用
JP6473894B2 (ja) 振動板とこれを用いたラウドスピーカ、およびラウドスピーカを用いた電子機器と移動体装置
Muralidharan Sound absorption behaviour of hybrid multilayer coir structure
US2582130A (en) Acoustic diaphragm
CN111918178B (zh) 一种扬声器用碳纤纸盆的制备方法
JP3942056B2 (ja) 電気音響変換器用振動板の製造方法
US20070023423A1 (en) Production method of acoustic diaphragm, acoustic diaphragm, and speaker
CN209299525U (zh) 一种具有增强中低音频段及零杂音的振膜
US2384958A (en) Method of and apparatus for making fibrous articles
JP2700314B2 (ja) スピーカ用振動板
JPS63226197A (ja) 音響用振動板
JP2648056B2 (ja) 電気音響変換用振動板及びその製造方法
JPH0156600B2 (enExample)
JPS58161495A (ja) スピ−カ用振動板
JP4008559B2 (ja) 電気音響変換器用振動板の製造方法および電気音響変換器用振動板
JPS60180299A (ja) 音響機器の振動板とその製造方法
JP3240714B2 (ja) スピーカキャビネット
TW202420842A (zh) 具有減低在共振頻率幅度的喇叭振膜結構及其製作方法
JPH0237756B2 (enExample)