JPH0156600B2 - - Google Patents

Info

Publication number
JPH0156600B2
JPH0156600B2 JP57036036A JP3603682A JPH0156600B2 JP H0156600 B2 JPH0156600 B2 JP H0156600B2 JP 57036036 A JP57036036 A JP 57036036A JP 3603682 A JP3603682 A JP 3603682A JP H0156600 B2 JPH0156600 B2 JP H0156600B2
Authority
JP
Japan
Prior art keywords
synthetic pulp
diaphragm
composite sheet
polyethylene
methylpentene polymer
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
JP57036036A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58153491A (ja
Inventor
Tooru Yamamoto
Koji Takeda
Teruo Kobayashi
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 JP3603682A priority Critical patent/JPS58153491A/ja
Priority to US06/471,456 priority patent/US4471085A/en
Priority to GB08305863A priority patent/GB2117389B/en
Priority to DE19833307946 priority patent/DE3307946A1/de
Publication of JPS58153491A publication Critical patent/JPS58153491A/ja
Publication of JPH0156600B2 publication Critical patent/JPH0156600B2/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
    • H04R2307/029—Diaphragms comprising fibres

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP3603682A 1982-03-08 1982-03-08 スピ−カ用振動板 Granted JPS58153491A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP3603682A JPS58153491A (ja) 1982-03-08 1982-03-08 スピ−カ用振動板
US06/471,456 US4471085A (en) 1982-03-08 1983-03-02 Diaphragm material for loudspeakers
GB08305863A GB2117389B (en) 1982-03-08 1983-03-03 Compositions for use in forming loudspeaker diaphragms
DE19833307946 DE3307946A1 (de) 1982-03-08 1983-03-07 Membranwerkstoff fuer lautsprecher

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3603682A JPS58153491A (ja) 1982-03-08 1982-03-08 スピ−カ用振動板

Publications (2)

Publication Number Publication Date
JPS58153491A JPS58153491A (ja) 1983-09-12
JPH0156600B2 true JPH0156600B2 (en]) 1989-11-30

Family

ID=12458483

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3603682A Granted JPS58153491A (ja) 1982-03-08 1982-03-08 スピ−カ用振動板

Country Status (1)

Country Link
JP (1) JPS58153491A (en])

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100744843B1 (ko) * 2005-10-14 2007-08-06 (주)케이에이치 케미컬 음향 진동판 및 이를 구비하는 스피커
KR100767260B1 (ko) * 2005-10-31 2007-10-17 (주)케이에이치 케미컬 음향 진동판 및 이를 구비하는 스피커
JP6164886B2 (ja) * 2013-03-25 2017-07-19 パイオニア株式会社 スピーカ用振動板
JP2017158220A (ja) * 2017-06-20 2017-09-07 パイオニア株式会社 スピーカ用振動板
US12348944B2 (en) 2020-06-02 2025-07-01 Foster Electric Company, Limited Diaphragm for electroacoustic transducer

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5877399A (ja) * 1981-11-04 1983-05-10 Toray Ind Inc 音響機器用振動板およびその製造方法

Also Published As

Publication number Publication date
JPS58153491A (ja) 1983-09-12

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