JPS5821997A - スピ−カ用振動板 - Google Patents

スピ−カ用振動板

Info

Publication number
JPS5821997A
JPS5821997A JP12118081A JP12118081A JPS5821997A JP S5821997 A JPS5821997 A JP S5821997A JP 12118081 A JP12118081 A JP 12118081A JP 12118081 A JP12118081 A JP 12118081A JP S5821997 A JPS5821997 A JP S5821997A
Authority
JP
Japan
Prior art keywords
diaphragm
graphite
polyvinyl chloride
modulus
young
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
JP12118081A
Other languages
English (en)
Japanese (ja)
Other versions
JPS639798B2 (enrdf_load_stackoverflow
Inventor
Nobuhiro Tsukagoshi
塚越　庸弘
Shinichi Yokozeki
横関　伸一
Sumio Hagiwara
純夫 萩原
Toshikazu Yoshino
吉野　俊和
Yasuyuki Arai
康之 新井
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.)
Pioneer Corp
Original Assignee
Pioneer Corp
Pioneer Electronic Corp
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 Pioneer Corp, Pioneer Electronic Corp filed Critical Pioneer Corp
Priority to JP12118081A priority Critical patent/JPS5821997A/ja
Priority to GB08221939A priority patent/GB2115645B/en
Priority to FR8213387A priority patent/FR2510857A1/fr
Priority to DE19823228592 priority patent/DE3228592C2/de
Publication of JPS5821997A publication Critical patent/JPS5821997A/ja
Publication of JPS639798B2 publication Critical patent/JPS639798B2/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)
JP12118081A 1981-07-31 1981-07-31 スピ−カ用振動板 Granted JPS5821997A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP12118081A JPS5821997A (ja) 1981-07-31 1981-07-31 スピ−カ用振動板
GB08221939A GB2115645B (en) 1981-07-31 1982-07-29 Speaker diaphragm
FR8213387A FR2510857A1 (fr) 1981-07-31 1982-07-30 Membrane de haut-parleur
DE19823228592 DE3228592C2 (de) 1981-07-31 1982-07-30 Lautsprechermembran

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12118081A JPS5821997A (ja) 1981-07-31 1981-07-31 スピ−カ用振動板

Publications (2)

Publication Number Publication Date
JPS5821997A true JPS5821997A (ja) 1983-02-09
JPS639798B2 JPS639798B2 (enrdf_load_stackoverflow) 1988-03-02

Family

ID=14804824

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12118081A Granted JPS5821997A (ja) 1981-07-31 1981-07-31 スピ−カ用振動板

Country Status (4)

Country Link
JP (1) JPS5821997A (enrdf_load_stackoverflow)
DE (1) DE3228592C2 (enrdf_load_stackoverflow)
FR (1) FR2510857A1 (enrdf_load_stackoverflow)
GB (1) GB2115645B (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8301653A (nl) * 1983-05-10 1984-12-03 Philips Nv Elektro-akoestische omzetter met een luchtdoorlatend membraan.
US5149470A (en) * 1988-08-24 1992-09-22 Mitsubishi Pencil Co., Ltd. Method of making a diaphragm of carbonaceous material
DE3831706A1 (de) * 1988-09-17 1990-03-22 Bayer Ag Membran fuer lautsprecher
JPH02243097A (ja) * 1989-01-20 1990-09-27 Mitsubishi Pencil Co Ltd 全炭素質音響機器用振動板の製造法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2046274B (en) * 1979-03-23 1983-03-30 Pioneer Electronic Corp Moulding compositions and acoustic articles moulded therefrom
US4404315A (en) * 1979-05-05 1983-09-13 Pioneer Electronic Corporation Molding compositions and diaphragms, arm pipes and head shells molded therefrom

Also Published As

Publication number Publication date
FR2510857A1 (fr) 1983-02-04
JPS639798B2 (enrdf_load_stackoverflow) 1988-03-02
FR2510857B1 (enrdf_load_stackoverflow) 1985-01-11
DE3228592A1 (de) 1983-03-03
GB2115645B (en) 1985-06-26
DE3228592C2 (de) 1986-04-24
GB2115645A (en) 1983-09-07

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