JPS5240323A - Manufacturing process of speaker diaphragm - Google Patents

Manufacturing process of speaker diaphragm

Info

Publication number
JPS5240323A
JPS5240323A JP11674775A JP11674775A JPS5240323A JP S5240323 A JPS5240323 A JP S5240323A JP 11674775 A JP11674775 A JP 11674775A JP 11674775 A JP11674775 A JP 11674775A JP S5240323 A JPS5240323 A JP S5240323A
Authority
JP
Japan
Prior art keywords
manufacturing process
speaker diaphragm
fire retardant
retardancey
same time
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
JP11674775A
Other languages
Japanese (ja)
Other versions
JPS5746719B2 (en
Inventor
Masahiro Saito
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Priority to JP11674775A priority Critical patent/JPS5240323A/en
Publication of JPS5240323A publication Critical patent/JPS5240323A/en
Publication of JPS5746719B2 publication Critical patent/JPS5746719B2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

PURPOSE:A manufacturing process of speaker diaphragms with higher fire retardant effect at the same time preventing ageing degradation of retardancey of fire retardant agents.
JP11674775A 1975-09-27 1975-09-27 Manufacturing process of speaker diaphragm Granted JPS5240323A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11674775A JPS5240323A (en) 1975-09-27 1975-09-27 Manufacturing process of speaker diaphragm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11674775A JPS5240323A (en) 1975-09-27 1975-09-27 Manufacturing process of speaker diaphragm

Publications (2)

Publication Number Publication Date
JPS5240323A true JPS5240323A (en) 1977-03-29
JPS5746719B2 JPS5746719B2 (en) 1982-10-05

Family

ID=14694756

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11674775A Granted JPS5240323A (en) 1975-09-27 1975-09-27 Manufacturing process of speaker diaphragm

Country Status (1)

Country Link
JP (1) JPS5240323A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5421717A (en) * 1977-07-19 1979-02-19 Matsushita Electric Ind Co Ltd Diaphragm for speakers

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60250716A (en) * 1984-05-25 1985-12-11 Matsushita Electric Works Ltd Switching circuit for ventilating fan

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5421717A (en) * 1977-07-19 1979-02-19 Matsushita Electric Ind Co Ltd Diaphragm for speakers
JPS575393B2 (en) * 1977-07-19 1982-01-30

Also Published As

Publication number Publication date
JPS5746719B2 (en) 1982-10-05

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