JPS5430819A - Production of diaphragm for speakers - Google Patents

Production of diaphragm for speakers

Info

Publication number
JPS5430819A
JPS5430819A JP9739477A JP9739477A JPS5430819A JP S5430819 A JPS5430819 A JP S5430819A JP 9739477 A JP9739477 A JP 9739477A JP 9739477 A JP9739477 A JP 9739477A JP S5430819 A JPS5430819 A JP S5430819A
Authority
JP
Japan
Prior art keywords
speakers
diaphragm
production
superposing
hot
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
JP9739477A
Other languages
Japanese (ja)
Other versions
JPS568555B2 (en
Inventor
Kiyoshi Ohashi
Kazuro Okuzawa
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 JP9739477A priority Critical patent/JPS5430819A/en
Publication of JPS5430819A publication Critical patent/JPS5430819A/en
Publication of JPS568555B2 publication Critical patent/JPS568555B2/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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/003—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension

Landscapes

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

Abstract

PURPOSE:To produce diaphragms for speakers having high rigidity and moderate internal loss readily with stable quality by superposing a cone form punching metal made of light metal on a specific diaphragm stock and hot-press molding the same.
JP9739477A 1977-08-12 1977-08-12 Production of diaphragm for speakers Granted JPS5430819A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9739477A JPS5430819A (en) 1977-08-12 1977-08-12 Production of diaphragm for speakers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9739477A JPS5430819A (en) 1977-08-12 1977-08-12 Production of diaphragm for speakers

Publications (2)

Publication Number Publication Date
JPS5430819A true JPS5430819A (en) 1979-03-07
JPS568555B2 JPS568555B2 (en) 1981-02-24

Family

ID=14191292

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9739477A Granted JPS5430819A (en) 1977-08-12 1977-08-12 Production of diaphragm for speakers

Country Status (1)

Country Link
JP (1) JPS5430819A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57111723U (en) * 1980-12-27 1982-07-10
JPS6352820U (en) * 1986-09-22 1988-04-09

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57111723U (en) * 1980-12-27 1982-07-10
JPS6352820U (en) * 1986-09-22 1988-04-09

Also Published As

Publication number Publication date
JPS568555B2 (en) 1981-02-24

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