JPH0459838B2 - - Google Patents

Info

Publication number
JPH0459838B2
JPH0459838B2 JP59269444A JP26944484A JPH0459838B2 JP H0459838 B2 JPH0459838 B2 JP H0459838B2 JP 59269444 A JP59269444 A JP 59269444A JP 26944484 A JP26944484 A JP 26944484A JP H0459838 B2 JPH0459838 B2 JP H0459838B2
Authority
JP
Japan
Prior art keywords
diaphragm
graphite
present
speaker
core
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 - Lifetime
Application number
JP59269444A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61146099A (ja
Inventor
Hiroshi Yui
Yoshiteru Kageyama
Shigeru Morita
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.)
Mitsubishi Chemical Corp
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Mitsubishi Petrochemical 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 Mitsubishi Electric Corp, Mitsubishi Petrochemical Co Ltd filed Critical Mitsubishi Electric Corp
Priority to JP26944484A priority Critical patent/JPS61146099A/ja
Publication of JPS61146099A publication Critical patent/JPS61146099A/ja
Publication of JPH0459838B2 publication Critical patent/JPH0459838B2/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
    • H04R7/04—Plane diaphragms
    • H04R7/06—Plane diaphragms comprising a plurality of sections or layers
    • H04R7/10—Plane diaphragms comprising a plurality of sections or layers comprising superposed layers in contact

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP26944484A 1984-12-20 1984-12-20 スピ−カ用振動板 Granted JPS61146099A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP26944484A JPS61146099A (ja) 1984-12-20 1984-12-20 スピ−カ用振動板

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP26944484A JPS61146099A (ja) 1984-12-20 1984-12-20 スピ−カ用振動板

Publications (2)

Publication Number Publication Date
JPS61146099A JPS61146099A (ja) 1986-07-03
JPH0459838B2 true JPH0459838B2 (en:Method) 1992-09-24

Family

ID=17472517

Family Applications (1)

Application Number Title Priority Date Filing Date
JP26944484A Granted JPS61146099A (ja) 1984-12-20 1984-12-20 スピ−カ用振動板

Country Status (1)

Country Link
JP (1) JPS61146099A (en:Method)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5701359A (en) * 1995-04-06 1997-12-23 Precision Power Flat-panel speaker
US6097829A (en) * 1995-04-06 2000-08-01 Precision Power, Inc. Fiber-honeycomb-fiber sandwich speaker diaphragm and method
KR20240140952A (ko) * 2022-08-20 2024-09-24 썬전 샥 컴퍼니, 리미티드 진동조립체

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55115792A (en) * 1979-02-28 1980-09-05 Pioneer Electronic Corp Acoustic diaphragm and its manufacture

Also Published As

Publication number Publication date
JPS61146099A (ja) 1986-07-03

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