JPS56143796A - Method of manufacturing diaphragm for dynamic speaker - Google Patents

Method of manufacturing diaphragm for dynamic speaker

Info

Publication number
JPS56143796A
JPS56143796A JP3143481A JP3143481A JPS56143796A JP S56143796 A JPS56143796 A JP S56143796A JP 3143481 A JP3143481 A JP 3143481A JP 3143481 A JP3143481 A JP 3143481A JP S56143796 A JPS56143796 A JP S56143796A
Authority
JP
Japan
Prior art keywords
dynamic speaker
manufacturing diaphragm
diaphragm
manufacturing
speaker
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
JP3143481A
Other languages
English (en)
Japanese (ja)
Inventor
Supitsuteri Erunesuto
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of JPS56143796A publication Critical patent/JPS56143796A/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
    • 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
    • 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)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Manufacturing & Machinery (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Molding Of Porous Articles (AREA)
JP3143481A 1980-03-07 1981-03-06 Method of manufacturing diaphragm for dynamic speaker Pending JPS56143796A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8005143A FR2477824A1 (fr) 1980-03-07 1980-03-07 Perfectionnements apportes aux haut-parleurs electrodynamiques a membrane plane en polystyrene expanse

Publications (1)

Publication Number Publication Date
JPS56143796A true JPS56143796A (en) 1981-11-09

Family

ID=9239425

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3143481A Pending JPS56143796A (en) 1980-03-07 1981-03-06 Method of manufacturing diaphragm for dynamic speaker

Country Status (3)

Country Link
US (1) US4348342A (OSRAM)
JP (1) JPS56143796A (OSRAM)
FR (1) FR2477824A1 (OSRAM)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2604663A (en) * 1950-01-06 1952-07-29 Talalay Joseph Anton Method of making a cellular rubber article
GB884322A (en) 1959-06-15 1961-12-13 Scholl Mfg Co Ltd Improvements in and relating to fashioning plastic foam
FR1269138A (fr) 1960-06-23 1961-08-11 Perfectionnements apportés aux haut-parleurs, aux microphones, et aux dispositifs analogues, de type électrodynamique
US3351719A (en) * 1964-02-05 1967-11-07 Electronic Res Associates Inc Loudspeaker assembly
US3863908A (en) * 1965-04-15 1975-02-04 Saint Gobain Cellular, resinous products and methods and apparatus for making them
FR1555781A (OSRAM) * 1967-12-06 1969-01-31
FR2036087A5 (OSRAM) * 1969-03-04 1970-12-24 Gogny Georges
US3889032A (en) * 1972-05-10 1975-06-10 Lester Max Koelsch Foamed plastic sheet material and system for its manufacture

Also Published As

Publication number Publication date
US4348342A (en) 1982-09-07
FR2477824A1 (fr) 1981-09-11
FR2477824B1 (OSRAM) 1984-02-17

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