JPS57154994A - Sound diaphragm - Google Patents

Sound diaphragm

Info

Publication number
JPS57154994A
JPS57154994A JP4066281A JP4066281A JPS57154994A JP S57154994 A JPS57154994 A JP S57154994A JP 4066281 A JP4066281 A JP 4066281A JP 4066281 A JP4066281 A JP 4066281A JP S57154994 A JPS57154994 A JP S57154994A
Authority
JP
Japan
Prior art keywords
mica
molding
polymer
sheet
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.)
Granted
Application number
JP4066281A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0253999B2 (enrdf_load_stackoverflow
Inventor
Kiyonobu Fujii
Kotaro Ikeda
Kenji Okuno
Koichi Saito
Osamu Ohara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kuraray Co Ltd
Original Assignee
Kuraray Co Ltd
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 Kuraray Co Ltd filed Critical Kuraray Co Ltd
Priority to JP4066281A priority Critical patent/JPS57154994A/ja
Priority to DE8282301272T priority patent/DE3265340D1/de
Priority to EP82301272A priority patent/EP0061270B2/en
Priority to US06/360,001 priority patent/US4412103A/en
Publication of JPS57154994A publication Critical patent/JPS57154994A/ja
Publication of JPH0253999B2 publication Critical patent/JPH0253999B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP4066281A 1981-03-20 1981-03-20 Sound diaphragm Granted JPS57154994A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP4066281A JPS57154994A (en) 1981-03-20 1981-03-20 Sound diaphragm
DE8282301272T DE3265340D1 (en) 1981-03-20 1982-03-12 Diaphragm for an electro-acoustic transducer
EP82301272A EP0061270B2 (en) 1981-03-20 1982-03-12 Diaphragm for an electro-acoustic transducer
US06/360,001 US4412103A (en) 1981-03-20 1982-03-19 Diaphragm for an electro-acoustic transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4066281A JPS57154994A (en) 1981-03-20 1981-03-20 Sound diaphragm

Publications (2)

Publication Number Publication Date
JPS57154994A true JPS57154994A (en) 1982-09-24
JPH0253999B2 JPH0253999B2 (enrdf_load_stackoverflow) 1990-11-20

Family

ID=12586735

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4066281A Granted JPS57154994A (en) 1981-03-20 1981-03-20 Sound diaphragm

Country Status (1)

Country Link
JP (1) JPS57154994A (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58144995U (ja) * 1982-03-24 1983-09-29 オンキヨー株式会社 スピ−カ用ダストキヤツプ
JPS5972896A (ja) * 1982-10-19 1984-04-24 Matsushita Electric Ind Co Ltd スピ−カ用振動板
JPS59108499A (ja) * 1982-12-13 1984-06-22 Matsushita Electric Ind Co Ltd スピ−カ用振動板
JPS62205147A (ja) * 1986-03-05 1987-09-09 Chisso Corp 音響振動板及び音響振動板用ポリプロピレン組成物
US4968551A (en) * 1988-03-03 1990-11-06 Pioneer Electronic Corporation Acoustic vibrator member and method of manufacturing
JP2006325190A (ja) * 2005-04-20 2006-11-30 Matsushita Electric Ind Co Ltd スピーカ用振動板とその製造方法、この振動板を用いたスピーカおよびこのスピーカを用いた機器

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5427250U (enrdf_load_stackoverflow) * 1977-07-26 1979-02-22

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5427250U (enrdf_load_stackoverflow) * 1977-07-26 1979-02-22

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58144995U (ja) * 1982-03-24 1983-09-29 オンキヨー株式会社 スピ−カ用ダストキヤツプ
JPS5972896A (ja) * 1982-10-19 1984-04-24 Matsushita Electric Ind Co Ltd スピ−カ用振動板
JPS59108499A (ja) * 1982-12-13 1984-06-22 Matsushita Electric Ind Co Ltd スピ−カ用振動板
JPS62205147A (ja) * 1986-03-05 1987-09-09 Chisso Corp 音響振動板及び音響振動板用ポリプロピレン組成物
US4968551A (en) * 1988-03-03 1990-11-06 Pioneer Electronic Corporation Acoustic vibrator member and method of manufacturing
JP2006325190A (ja) * 2005-04-20 2006-11-30 Matsushita Electric Ind Co Ltd スピーカ用振動板とその製造方法、この振動板を用いたスピーカおよびこのスピーカを用いた機器

Also Published As

Publication number Publication date
JPH0253999B2 (enrdf_load_stackoverflow) 1990-11-20

Similar Documents

Publication Publication Date Title
JPS54117550A (en) Vinyl chloride resin composition
JPS57154994A (en) Sound diaphragm
EP0226179A2 (en) Resin composition for porous film and film prepared therefrom
ES8205832A1 (es) Procedimiento para la preparacion de una composicion de re- sina sintetica
JPS54111818A (en) Diaphragm of acoustic transducers and production of the same
JPS5715943A (en) Vacuum extruder
JPS5781797A (en) Vibration diaphragm for speaker
JPH06284496A (ja) 音響振動板
KR940005742B1 (ko) 개선된 강도를 갖는 받데리 격리막
JPS5438279A (en) Production of strengthened forous membrabe
JPS55125126A (en) Molded product of foamable resin
JPS58111600A (ja) 音響振動板
JPS56144945A (en) Preparation of rubber molded product from atactic polypropylene-vulcanized rubber as stock material
JPS5554338A (en) Powdered unvulcanized rubber composition
JPS5429352A (en) Improved polyolefin film
JPH0632939A (ja) 音響機器用樹脂組成物
JPS55127445A (en) Molding material
GB1463656A (en) Silicone rubbers
JPS56145940A (en) Molding material for audio
JPS55103253A (en) Molding sand composition
JPS57100142A (en) Preparation of microporous film
JPS5618672A (en) Hot-melt adhesive composition
JPS54149753A (en) Molding composition
JPS5432590A (en) Preparation of silane-grafted polyethylene crosslinkable with water
JPS57138296A (en) Diaphragm for speaker