JPS5511680A - Diaphragm unit for speaker - Google Patents

Diaphragm unit for speaker

Info

Publication number
JPS5511680A
JPS5511680A JP8531078A JP8531078A JPS5511680A JP S5511680 A JPS5511680 A JP S5511680A JP 8531078 A JP8531078 A JP 8531078A JP 8531078 A JP8531078 A JP 8531078A JP S5511680 A JPS5511680 A JP S5511680A
Authority
JP
Japan
Prior art keywords
diaphragm
node
adhered
auxiliary
magnetic circuit
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.)
Pending
Application number
JP8531078A
Other languages
English (en)
Inventor
Katsumasa Sato
Nobuhisa Atoji
Hiroyuki Takewa
Takao Irumano
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 JP8531078A priority Critical patent/JPS5511680A/ja
Publication of JPS5511680A publication Critical patent/JPS5511680A/ja
Pending 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
JP8531078A 1978-07-12 1978-07-12 Diaphragm unit for speaker Pending JPS5511680A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8531078A JPS5511680A (en) 1978-07-12 1978-07-12 Diaphragm unit for speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8531078A JPS5511680A (en) 1978-07-12 1978-07-12 Diaphragm unit for speaker

Publications (1)

Publication Number Publication Date
JPS5511680A true JPS5511680A (en) 1980-01-26

Family

ID=13855020

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8531078A Pending JPS5511680A (en) 1978-07-12 1978-07-12 Diaphragm unit for speaker

Country Status (1)

Country Link
JP (1) JPS5511680A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5912685A (ja) * 1982-07-12 1984-01-23 Matsushita Electric Ind Co Ltd スピ−カ装置
US4517416A (en) * 1982-02-22 1985-05-14 U.S. Philips Corporation Electro-acoustic transducer having a diaphragm comprising a layer of polymethacrylimide foam
FR2974476A1 (fr) * 2011-04-20 2012-10-26 Nexo Dispositif d'emission d'une onde acoustique

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4517416A (en) * 1982-02-22 1985-05-14 U.S. Philips Corporation Electro-acoustic transducer having a diaphragm comprising a layer of polymethacrylimide foam
JPS5912685A (ja) * 1982-07-12 1984-01-23 Matsushita Electric Ind Co Ltd スピ−カ装置
JPH0580880B2 (ja) * 1982-07-12 1993-11-10 Matsushita Electric Ind Co Ltd
FR2974476A1 (fr) * 2011-04-20 2012-10-26 Nexo Dispositif d'emission d'une onde acoustique
WO2012143657A1 (fr) * 2011-04-20 2012-10-26 Nexo Dispositif d'emission d'une onde acoustique
US9544693B2 (en) 2011-04-20 2017-01-10 Nexo Device for emitting an acoustic wave

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