GR940300018T1 - Method for preparing membranes for acoustic applications in particular for loudspeakers, and membranes obtained by such method - Google Patents

Method for preparing membranes for acoustic applications in particular for loudspeakers, and membranes obtained by such method

Info

Publication number
GR940300018T1
GR940300018T1 GR940300018T GR940300018T GR940300018T1 GR 940300018 T1 GR940300018 T1 GR 940300018T1 GR 940300018 T GR940300018 T GR 940300018T GR 940300018 T GR940300018 T GR 940300018T GR 940300018 T1 GR940300018 T1 GR 940300018T1
Authority
GR
Greece
Prior art keywords
pct
diaphragms
preparing
macropolymer
membranes
Prior art date
Application number
GR940300018T
Other languages
Greek (el)
English (en)
Inventor
Pierre Fontaine
Original Assignee
Audax Ind Sa
Pierre Fontaine
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 Audax Ind Sa, Pierre Fontaine filed Critical Audax Ind Sa
Publication of GR940300018T1 publication Critical patent/GR940300018T1/el

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
    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/22—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of characters or indicia using display control signals derived from coded signals representing the characters or indicia, e.g. with a character-code memory
    • G09G5/222—Control of the character-code memory

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Toys (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
GR940300018T 1990-07-23 1994-04-29 Method for preparing membranes for acoustic applications in particular for loudspeakers, and membranes obtained by such method GR940300018T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9009369A FR2665321A1 (fr) 1990-07-23 1990-07-23 Procede de fabrication de membranes pour applications electro-mecaniques, notamment pour tranducteurs electro-mecaniques et produit en resultant.
PCT/FR1991/000603 WO1992002108A1 (fr) 1990-07-23 1991-07-22 Procede pour preparer des membranes pour des applications acoustiques en particulier pour haut-parleurs, et membranes obtenues par ce procede

Publications (1)

Publication Number Publication Date
GR940300018T1 true GR940300018T1 (en) 1994-04-29

Family

ID=9398990

Family Applications (2)

Application Number Title Priority Date Filing Date
GR940300018T GR940300018T1 (en) 1990-07-23 1994-04-29 Method for preparing membranes for acoustic applications in particular for loudspeakers, and membranes obtained by such method
GR960402995T GR3021624T3 (en) 1990-07-23 1996-11-14 Method for preparing membranes for acoustic applications in particular for loudspeakers, and membranes obtained by such method

Family Applications After (1)

Application Number Title Priority Date Filing Date
GR960402995T GR3021624T3 (en) 1990-07-23 1996-11-14 Method for preparing membranes for acoustic applications in particular for loudspeakers, and membranes obtained by such method

Country Status (13)

Country Link
US (1) US5380960A (https=)
EP (1) EP0540622B1 (https=)
JP (1) JP3046351B2 (https=)
KR (1) KR100195826B1 (https=)
AT (1) ATE141739T1 (https=)
CA (1) CA2087432A1 (https=)
DE (2) DE69121572T2 (https=)
DK (1) DK0540622T3 (https=)
ES (1) ES2044819T3 (https=)
FR (1) FR2665321A1 (https=)
GR (2) GR940300018T1 (https=)
TW (1) TW203658B (https=)
WO (1) WO1992002108A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007028525A (ja) * 2005-07-21 2007-02-01 Sony Corp 音響振動板及び音響振動板製造方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3003191A (en) * 1958-09-02 1961-10-10 Harold J Luth Method of making a transducer diaphragm
US3153463A (en) * 1961-08-30 1964-10-20 Muter Company Compound loudspeaker diaphragm
FR1445262A (fr) * 1965-08-25 1966-07-08 Decca Ltd Diaphragme de haut-parleur en résine thermo-durcissable
DE2225710C3 (de) * 1971-05-28 1975-12-04 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka Membran für elektroakustische Wandler und Verfahren zu ihrer Herstellung
US3858680A (en) * 1971-05-28 1975-01-07 Matsushita Electric Industrial Co Ltd Vibration diaphragm and cfne edge of a loudspeaker
JPS5546661A (en) * 1978-09-29 1980-04-01 Pioneer Electronic Corp Diaphragm for acoustic apparatus and its manufacture
JPS5548226A (en) * 1979-05-25 1980-04-05 Pioneer Electronic Corp Compound and its preparation
NL8200690A (nl) * 1982-02-22 1983-09-16 Philips Nv Luidsprekermembraan bevattende een laag van polymethacrylimideschuim.
JPS58172100A (ja) * 1982-04-02 1983-10-08 Kuraray Co Ltd 音響振動板
JPS5993325A (ja) * 1982-11-19 1984-05-29 Ikeda Bussan Co Ltd 遮音シ−トの製造方法
JPS6248531A (ja) * 1985-08-28 1987-03-03 Nippon Tokushu Toryo Kk 複層成形防音材の製法
JPS62190210A (ja) * 1986-02-14 1987-08-20 Yokohama Rubber Co Ltd:The 放射線・紫外線硬化型ダンピング材組成物
JPH0667035B2 (ja) * 1987-03-04 1994-08-24 松下電器産業株式会社 スピ−カ用振動板
US5031720A (en) * 1987-12-01 1991-07-16 Kabushiki Kaisha Kenwood Speaker diaphragm
JP2670365B2 (ja) * 1989-10-23 1997-10-29 ソニー株式会社 振動板の製造方法

Also Published As

Publication number Publication date
CA2087432A1 (fr) 1992-01-24
DK0540622T3 (da) 1997-01-13
EP0540622A1 (fr) 1993-05-12
DE540622T1 (de) 1994-04-21
JPH06501822A (ja) 1994-02-24
EP0540622B1 (fr) 1996-08-21
ATE141739T1 (de) 1996-09-15
JP3046351B2 (ja) 2000-05-29
ES2044819T1 (es) 1994-01-16
DE69121572T2 (de) 1997-03-27
WO1992002108A1 (fr) 1992-02-06
US5380960A (en) 1995-01-10
FR2665321A1 (fr) 1992-01-31
ES2044819T3 (es) 1996-12-01
DE69121572D1 (de) 1996-09-26
KR100195826B1 (ko) 1999-06-15
TW203658B (https=) 1993-04-11
GR3021624T3 (en) 1997-02-28
KR930702868A (ko) 1993-09-09

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