JPH0156599B2 - - Google Patents

Info

Publication number
JPH0156599B2
JPH0156599B2 JP56129919A JP12991981A JPH0156599B2 JP H0156599 B2 JPH0156599 B2 JP H0156599B2 JP 56129919 A JP56129919 A JP 56129919A JP 12991981 A JP12991981 A JP 12991981A JP H0156599 B2 JPH0156599 B2 JP H0156599B2
Authority
JP
Japan
Prior art keywords
diaphragm
aramid fibers
flat
speaker
long axis
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
JP56129919A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5831695A (ja
Inventor
Tooru Yamamoto
Hirotoshi Niiguchi
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP12991981A priority Critical patent/JPS5831695A/ja
Publication of JPS5831695A publication Critical patent/JPS5831695A/ja
Publication of JPH0156599B2 publication Critical patent/JPH0156599B2/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)
JP12991981A 1981-08-19 1981-08-19 スピ−カ用振動板 Granted JPS5831695A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12991981A JPS5831695A (ja) 1981-08-19 1981-08-19 スピ−カ用振動板

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12991981A JPS5831695A (ja) 1981-08-19 1981-08-19 スピ−カ用振動板

Publications (2)

Publication Number Publication Date
JPS5831695A JPS5831695A (ja) 1983-02-24
JPH0156599B2 true JPH0156599B2 (enrdf_load_stackoverflow) 1989-11-30

Family

ID=15021639

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12991981A Granted JPS5831695A (ja) 1981-08-19 1981-08-19 スピ−カ用振動板

Country Status (1)

Country Link
JP (1) JPS5831695A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP4720583B2 (ja) * 2005-04-20 2011-07-13 パナソニック株式会社 スピーカ用振動板の製造方法
JP6312122B2 (ja) * 2013-11-13 2018-04-18 国立研究開発法人産業技術総合研究所 木質系材料からなる音響用振動板

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1588079A (en) * 1977-09-12 1981-04-15 Texaco Development Corp Surface-active oxyalkylated amines
JPS5925555B2 (ja) * 1979-07-31 1984-06-19 松下電器産業株式会社 スピ−カ用振動板
JPS5626199A (en) * 1979-08-10 1981-03-13 Fujirebio Inc Determination of minor constituent contained in serum or urine
JPS5658394A (en) * 1979-10-19 1981-05-21 Matsushita Electric Ind Co Ltd Diaphragm plate for speaker

Also Published As

Publication number Publication date
JPS5831695A (ja) 1983-02-24

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