CA2087432A1 - Procede pour preparer des membranes pour des applications acoustiques en particulier pour haut-parleurs, et membranes obtenues par ce procede - Google Patents

Procede pour preparer des membranes pour des applications acoustiques en particulier pour haut-parleurs, et membranes obtenues par ce procede

Info

Publication number
CA2087432A1
CA2087432A1 CA002087432A CA2087432A CA2087432A1 CA 2087432 A1 CA2087432 A1 CA 2087432A1 CA 002087432 A CA002087432 A CA 002087432A CA 2087432 A CA2087432 A CA 2087432A CA 2087432 A1 CA2087432 A1 CA 2087432A1
Authority
CA
Canada
Prior art keywords
macropolymer
gel
dispersion
membrane
product
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.)
Abandoned
Application number
CA002087432A
Other languages
English (en)
French (fr)
Inventor
Pierre Fontaine
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.)
Audax Industries SA
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 CA2087432A1 publication Critical patent/CA2087432A1/fr
Abandoned 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
    • 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)
CA002087432A 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 Abandoned CA2087432A1 (fr)

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.
FR90/09369 1990-07-23

Publications (1)

Publication Number Publication Date
CA2087432A1 true CA2087432A1 (fr) 1992-01-24

Family

ID=9398990

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002087432A Abandoned CA2087432A1 (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

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
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
GR940300018T1 (en) 1994-04-29
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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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued