JPS58107800A - 矩形平板振動板 - Google Patents

矩形平板振動板

Info

Publication number
JPS58107800A
JPS58107800A JP20855781A JP20855781A JPS58107800A JP S58107800 A JPS58107800 A JP S58107800A JP 20855781 A JP20855781 A JP 20855781A JP 20855781 A JP20855781 A JP 20855781A JP S58107800 A JPS58107800 A JP S58107800A
Authority
JP
Japan
Prior art keywords
diaphragm
rectangular flat
flat plate
core material
forming
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.)
Granted
Application number
JP20855781A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0324120B2 (enrdf_load_stackoverflow
Inventor
Hideaki Inoue
秀明 井上
Kazuhide Sato
和栄 佐藤
Shuji Saeki
周二 佐伯
Seiichi Ishikawa
石川　清一
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 true JPS58107800A (ja) 1983-06-27
JPH0324120B2 JPH0324120B2 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)

Cited By (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

Citations (2)

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

Patent Citations (2)

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

Cited By (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

Also Published As

Publication number Publication date
JPH0324120B2 (enrdf_load_stackoverflow) 1991-04-02

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