JPH0324120B2 - - Google Patents

Info

Publication number
JPH0324120B2
JPH0324120B2 JP56208557A JP20855781A JPH0324120B2 JP H0324120 B2 JPH0324120 B2 JP H0324120B2 JP 56208557 A JP56208557 A JP 56208557A JP 20855781 A JP20855781 A JP 20855781A JP H0324120 B2 JPH0324120 B2 JP H0324120B2
Authority
JP
Japan
Prior art keywords
diaphragm
core material
rectangular flat
surface material
shape
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
JP56208557A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58107800A (ja
Inventor
Hideaki Inoe
Kazuhide Sato
Shuji Saeki
Seiichi Ishikawa
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 JP20855781A priority Critical patent/JPS58107800A/ja
Publication of JPS58107800A publication Critical patent/JPS58107800A/ja
Publication of JPH0324120B2 publication Critical patent/JPH0324120B2/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)
  • Laminated Bodies (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP20855781A 1981-12-22 1981-12-22 矩形平板振動板 Granted JPS58107800A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20855781A JPS58107800A (ja) 1981-12-22 1981-12-22 矩形平板振動板

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20855781A JPS58107800A (ja) 1981-12-22 1981-12-22 矩形平板振動板

Publications (2)

Publication Number Publication Date
JPS58107800A JPS58107800A (ja) 1983-06-27
JPH0324120B2 true JPH0324120B2 (en]) 1991-04-02

Family

ID=16558150

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20855781A Granted JPS58107800A (ja) 1981-12-22 1981-12-22 矩形平板振動板

Country Status (1)

Country Link
JP (1) JPS58107800A (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60177797A (ja) * 1984-02-23 1985-09-11 Matsushita Electric Ind Co Ltd スピ−カ用振動板
US9332352B2 (en) 2013-02-25 2016-05-03 Apple Inc. Audio speaker with sandwich-structured composite diaphragm

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS488270U (en]) * 1971-06-10 1973-01-30
JPS5690695A (en) * 1979-12-24 1981-07-22 Victor Co Of Japan Ltd Speaker diaphragm and its manufacture

Also Published As

Publication number Publication date
JPS58107800A (ja) 1983-06-27

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