DK0540622T3 - Fremgangsmåde til fremstilling af membraner til akustiske anvendelser, især til højttalere, og membraner opnået ved fremgangsmåden - Google Patents

Fremgangsmåde til fremstilling af membraner til akustiske anvendelser, især til højttalere, og membraner opnået ved fremgangsmåden

Info

Publication number
DK0540622T3
DK0540622T3 DK91913851.1T DK91913851T DK0540622T3 DK 0540622 T3 DK0540622 T3 DK 0540622T3 DK 91913851 T DK91913851 T DK 91913851T DK 0540622 T3 DK0540622 T3 DK 0540622T3
Authority
DK
Denmark
Prior art keywords
pct
diaphragms
macropolymer
membranes
dispersion
Prior art date
Application number
DK91913851.1T
Other languages
Danish (da)
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
Application granted granted Critical
Publication of DK0540622T3 publication Critical patent/DK0540622T3/da

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)
DK91913851.1T 1990-07-23 1991-07-22 Fremgangsmåde til fremstilling af membraner til akustiske anvendelser, især til højttalere, og membraner opnået ved fremgangsmåden DK0540622T3 (da)

Applications Claiming Priority (1)

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.

Publications (1)

Publication Number Publication Date
DK0540622T3 true DK0540622T3 (da) 1997-01-13

Family

ID=9398990

Family Applications (1)

Application Number Title Priority Date Filing Date
DK91913851.1T DK0540622T3 (da) 1990-07-23 1991-07-22 Fremgangsmåde til fremstilling af membraner til akustiske anvendelser, især til højttalere, og membraner opnået ved fremgangsmåden

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
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

Similar Documents

Publication Publication Date Title
US4064375A (en) Vacuum stressed polymer film piezoelectric transducer
ATE26055T1 (de) Elektroakustischer wandler.
ES462476A1 (es) Un transductor electro-acustico.
KR900702746A (ko) 라우드 스피커
DK1216602T3 (da) MEMS transducer for digital til akutisk omsætning med fejlundertrykkelse
GB2011804A (en) Gas Separation Membranes and Process for the Preparation Thereof
FR2451119A1 (fr) Microphone capacitif
DK0540622T3 (da) Fremgangsmåde til fremstilling af membraner til akustiske anvendelser, især til højttalere, og membraner opnået ved fremgangsmåden
ATE156035T1 (de) Verfahren und träger für die gelpermeationschromotographie
JP2002515211A (ja) 移相回路を用いてステレオ信号中に仮想音源を生ぜしめる回路装置
US1500331A (en) Telephonic receiver
Gareis et al. Signal conditioning for reducing total harmonic distortion in buckling dielectric elastomer loudspeakers
FR2260916A1 (en) Loudspeaker directional enclosure - has diaphragm forming two separate parts for low and high frequency sounds
KR880002404A (ko) 압전형 스피커
JPS55143895A (en) Directional wave receiver
Duvall Hydrodynamic Theory of Shock Waves in Solids
JPH042560Y2 (https=)
GB261231A (en) Improvements in and relating to electromagnetic acoustic apparatus
GB248255A (en) Improvements in or relating to electrostatic telephones, particularly those of the loudspeaking variety, and microphones
McLachlan Displacement Pickup for Measuring the Motion of a Loudspeaker Cone at Many Points
JPS57129099A (en) Acoustic image expanding device
IT8068872A0 (it) Procedimento per la fabbricazione di membrane o coni per altoparlanti ad alta fedelta
Sumberg TRENDS IN PUBLIC ADDRESS
GB190523591A (en) Improvements in or relating to Stereoscopic Apparatus.
Ussachevsky Sound Materials in the Experimental Media of Musique Concrete, Tape Music, and Electronic Music