JPS6210078B2 - - Google Patents

Info

Publication number
JPS6210078B2
JPS6210078B2 JP9540279A JP9540279A JPS6210078B2 JP S6210078 B2 JPS6210078 B2 JP S6210078B2 JP 9540279 A JP9540279 A JP 9540279A JP 9540279 A JP9540279 A JP 9540279A JP S6210078 B2 JPS6210078 B2 JP S6210078B2
Authority
JP
Japan
Prior art keywords
diaphragm
intermediate layer
carbon fiber
layers
layer
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
JP9540279A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5619296A (en
Inventor
Noryuki Arakawa
Hideo Kobayashi
Mitsuru Takashima
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP9540279A priority Critical patent/JPS5619296A/ja
Publication of JPS5619296A publication Critical patent/JPS5619296A/ja
Publication of JPS6210078B2 publication Critical patent/JPS6210078B2/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
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers
    • H04R7/125—Non-planar diaphragms or cones comprising a plurality of sections or layers comprising a plurality of superposed layers in contact

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Laminated Bodies (AREA)
JP9540279A 1979-07-26 1979-07-26 Speaker diaphragm Granted JPS5619296A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9540279A JPS5619296A (en) 1979-07-26 1979-07-26 Speaker diaphragm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9540279A JPS5619296A (en) 1979-07-26 1979-07-26 Speaker diaphragm

Publications (2)

Publication Number Publication Date
JPS5619296A JPS5619296A (en) 1981-02-23
JPS6210078B2 true JPS6210078B2 (cs) 1987-03-04

Family

ID=14136662

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9540279A Granted JPS5619296A (en) 1979-07-26 1979-07-26 Speaker diaphragm

Country Status (1)

Country Link
JP (1) JPS5619296A (cs)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4629285A (en) * 1984-02-21 1986-12-16 Fusion Uv Curing Systems Corporation Color coded optical fiber waveguides and method for coloring same
JPH0440177Y2 (cs) * 1984-09-14 1992-09-21
JP6173010B2 (ja) * 2013-04-24 2017-08-02 三菱鉛筆株式会社 炭素質音響振動板とその製造方法

Also Published As

Publication number Publication date
JPS5619296A (en) 1981-02-23

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