JPS57199398A - Core for speaker diaphragm - Google Patents

Core for speaker diaphragm

Info

Publication number
JPS57199398A
JPS57199398A JP8427481A JP8427481A JPS57199398A JP S57199398 A JPS57199398 A JP S57199398A JP 8427481 A JP8427481 A JP 8427481A JP 8427481 A JP8427481 A JP 8427481A JP S57199398 A JPS57199398 A JP S57199398A
Authority
JP
Japan
Prior art keywords
carbon
mesh glass
core
speaker diaphragm
core member
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
JP8427481A
Other languages
English (en)
Inventor
Morihiro Miyazaki
Kenichi Takahashi
Shunsuke Matsuda
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 JP8427481A priority Critical patent/JPS57199398A/ja
Publication of JPS57199398A publication Critical patent/JPS57199398A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP8427481A 1981-06-03 1981-06-03 Core for speaker diaphragm Pending JPS57199398A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8427481A JPS57199398A (en) 1981-06-03 1981-06-03 Core for speaker diaphragm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8427481A JPS57199398A (en) 1981-06-03 1981-06-03 Core for speaker diaphragm

Publications (1)

Publication Number Publication Date
JPS57199398A true JPS57199398A (en) 1982-12-07

Family

ID=13825869

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8427481A Pending JPS57199398A (en) 1981-06-03 1981-06-03 Core for speaker diaphragm

Country Status (1)

Country Link
JP (1) JPS57199398A (ja)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5345229A (en) * 1976-10-04 1978-04-22 Sanyo Electric Co Ltd Preparation for vibrating plate for speaker
JPS5487211A (en) * 1977-12-23 1979-07-11 Pioneer Electronic Corp Acoustic device vibrating plate and method of fabricating same
JPS57118498A (en) * 1981-01-14 1982-07-23 Pilot Precision Co Ltd Speaker diaphragm and its production

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5345229A (en) * 1976-10-04 1978-04-22 Sanyo Electric Co Ltd Preparation for vibrating plate for speaker
JPS5487211A (en) * 1977-12-23 1979-07-11 Pioneer Electronic Corp Acoustic device vibrating plate and method of fabricating same
JPS57118498A (en) * 1981-01-14 1982-07-23 Pilot Precision Co Ltd Speaker diaphragm and its production

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