FR2433883A1 - Transducteur electro-acoustique - Google Patents

Transducteur electro-acoustique

Info

Publication number
FR2433883A1
FR2433883A1 FR7920885A FR7920885A FR2433883A1 FR 2433883 A1 FR2433883 A1 FR 2433883A1 FR 7920885 A FR7920885 A FR 7920885A FR 7920885 A FR7920885 A FR 7920885A FR 2433883 A1 FR2433883 A1 FR 2433883A1
Authority
FR
France
Prior art keywords
electro
acoustic transducer
vibrating structure
transducer
epoxy resin
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
FR7920885A
Other languages
English (en)
Other versions
FR2433883B1 (fr
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of FR2433883A1 publication Critical patent/FR2433883A1/fr
Application granted granted Critical
Publication of FR2433883B1 publication Critical patent/FR2433883B1/fr
Granted 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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/046—Construction
    • H04R9/047—Construction in which the windings of the moving coil lay in the same plane

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

a. Transducteur électro-acoustique comportant un circuit magnétique avec au moins un entrefer dans lequel se trouve un conducteur formant l'enroulement de voix auquel est reliée mécaniquement une structure vibrante b. Transducteur caractérisé en ce que la structure vibrante est formée d'un film thermorésistant contenant une résine époxyde modifiée dont le composant principal est un composé hétérocyclique contenant un groupe polyimide.
FR7920885A 1978-08-18 1979-08-17 Transducteur electro-acoustique Granted FR2433883A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10053278A JPS5527721A (en) 1978-08-18 1978-08-18 Diaphragm for electroacoustic converter

Publications (2)

Publication Number Publication Date
FR2433883A1 true FR2433883A1 (fr) 1980-03-14
FR2433883B1 FR2433883B1 (fr) 1984-04-06

Family

ID=14276561

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7920885A Granted FR2433883A1 (fr) 1978-08-18 1979-08-17 Transducteur electro-acoustique

Country Status (7)

Country Link
US (1) US4281223A (fr)
JP (1) JPS5527721A (fr)
CA (1) CA1130910A (fr)
DE (1) DE2933630A1 (fr)
FR (1) FR2433883A1 (fr)
GB (1) GB2029162B (fr)
NL (1) NL7906309A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0016230A1 (fr) * 1978-06-14 1980-10-01 Sumitomo Bakelite Company Limited Substrat pour circuit imprime flexible et sa methode de fabrication, ainsi que pellicule

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2034153B (en) * 1978-09-26 1983-02-16 Victor Company Of Japan Voice coil assembly for a speaker
US4460060A (en) * 1980-03-07 1984-07-17 Toray Industries, Inc. Vibratory diaphragm for loudspeaker
NL8102572A (nl) * 1981-05-26 1982-12-16 Philips Nv Elektroakoestische omzetter van het band-type met lage vervorming en verbeterde gevoeligheid.
EP0086837B1 (fr) * 1981-08-27 1985-12-27 Toray Industries, Inc. Membrane vibrante pour haut-parleur
EP0262406A3 (fr) * 1982-06-17 1988-08-31 LARSON, David A. Transducteur électro-acoustique avec diaphragme et feuille pour celui-ci
DE3247941A1 (de) * 1982-12-24 1984-06-28 Standard Elektrik Lorenz Ag, 7000 Stuttgart Lautsprecher
NL8300835A (nl) * 1983-03-08 1984-10-01 Philips Nv Bandtype transducent met een meerlagig membraan.
JPS6055797A (ja) * 1983-09-06 1985-04-01 Onkyo Corp スピ−カ−用振動板
NL8700654A (nl) * 1987-03-20 1988-10-17 Philips Nv Elektrodynamische omzetter.
DE3712212A1 (de) * 1987-04-10 1988-10-27 Peter Brockhaus Magnetostatischer lautsprecher oder kopfhoerer mit flachmembran
DE3804024A1 (de) * 1988-02-10 1989-08-24 Eton Deutschland Electro Acous Lautsprecher
CA1318965C (fr) * 1988-11-07 1993-06-08 William Neal House Haut-parleur de faible hauteur avec structure d'aimant a fentes
US5446797A (en) * 1992-07-17 1995-08-29 Linaeum Corporation Audio transducer with etched voice coil
WO1994003026A1 (fr) * 1992-07-17 1994-02-03 Linaeum Corporation Tranducteur audio ayant une bobine mobile realisee par une attaque chimique
DE69428384T2 (de) * 1993-01-29 2002-06-13 Sony Corp., Tokio/Tokyo Lautsprecher
US6289106B1 (en) 1997-08-08 2001-09-11 Hong Long Industrial Co., Ltd. Cap and center pole apparatus and method of coupling
US6097830A (en) * 1997-11-17 2000-08-01 Sonigistix Corporation Transducer diaphragm with thermal strain relief
EP0992974A3 (fr) * 1998-10-07 2004-01-02 DaimlerChrysler AG Utilisation d'un matérial à haute atténuation pour un élément d'un dispositif émettant du son
JP4500426B2 (ja) * 2000-11-02 2010-07-14 フォスター電機株式会社 面駆動型電気音響変換器
US7862587B2 (en) 2004-02-27 2011-01-04 Jackson Roger P Dynamic stabilization assemblies, tool set and method
JP2002374593A (ja) * 2001-06-18 2002-12-26 Pioneer Electronic Corp スピーカ振動板
WO2003041449A1 (fr) * 2001-11-05 2003-05-15 Matsushita Electric Industrial Co., Ltd. Haut-parleur
US7203332B2 (en) * 2002-05-02 2007-04-10 Harman International Industries, Incorporated Magnet arrangement for loudspeaker
US20040008858A1 (en) * 2002-05-02 2004-01-15 Steere John F. Acoustically enhanced electro-dynamic loudspeakers
US20040022409A1 (en) * 2002-05-02 2004-02-05 Hutt Steven W. Film attaching system
US7035425B2 (en) 2002-05-02 2006-04-25 Harman International Industries, Incorporated Frequency response enhancements for electro-dynamic loudspeakers
US7236608B2 (en) 2002-05-02 2007-06-26 Harman International Industries, Incorporated Conductors for electro-dynamic loudspeakers
US7627134B2 (en) 2002-05-02 2009-12-01 Harman International Industries, Incorporated Magnet retention system in planar loudspeakers
US7152299B2 (en) 2002-05-02 2006-12-26 Harman International Industries, Incorporated Method of assembling a loudspeaker
US7278200B2 (en) * 2002-05-02 2007-10-09 Harman International Industries, Incorporated Method of tensioning a diaphragm for an electro-dynamic loudspeaker
US20040042632A1 (en) * 2002-05-02 2004-03-04 Hutt Steven W. Directivity control of electro-dynamic loudspeakers
US7149321B2 (en) 2002-05-02 2006-12-12 Harman International Industries, Incorporated Electro-dynamic loudspeaker mounting system
US7146017B2 (en) * 2002-05-02 2006-12-05 Harman International Industries, Incorporated Electrical connectors for electro-dynamic loudspeakers
US7155026B2 (en) 2002-05-02 2006-12-26 Harman International Industries, Incorporated Mounting bracket system
US7471801B2 (en) * 2002-05-10 2008-12-30 Osseofon Ab Device for the generation of or monitoring of vibrations
CN1308380C (zh) * 2002-06-28 2007-04-04 罗福高技术薄膜股份有限公司 由聚芳酯树脂浇注薄膜制成的振动膜
US7316290B2 (en) * 2003-01-30 2008-01-08 Harman International Industries, Incorporated Acoustic lens system
EP1813132B1 (fr) 2004-10-21 2019-08-14 Shure Incorporated Agencements de transducteur acoustique a ruban
JP4948001B2 (ja) * 2005-03-09 2012-06-06 古河電気工業株式会社 平面スピーカ用振動板
JP5100546B2 (ja) * 2007-07-30 2012-12-19 パナソニック株式会社 電気音響変換器
US20090175488A1 (en) * 2008-01-09 2009-07-09 Jui-Cheng Chang Diaphragm and Electrical-Acoustic Transducer having the same
US20110317867A1 (en) * 2008-12-25 2011-12-29 Sanyo Electric Co., Ltd. Speaker unit and portable information terminal
CN102265645B (zh) * 2008-12-25 2014-07-30 三洋电机株式会社 扬声器单元及携带式信息终端
JP5494494B2 (ja) * 2008-12-25 2014-05-14 三洋電機株式会社 スピーカユニットおよび携帯情報端末
KR101018554B1 (ko) 2009-05-15 2011-03-03 (주)디지털초음파 나선형 코일 제조방법과 그 나선형 코일 및 이를 구비한 전자기음향변환기
US8687816B2 (en) * 2009-06-30 2014-04-01 Nokia Corporation Signal processing
DE102009038593A1 (de) 2009-08-26 2011-03-03 Beyerdynamic Gmbh & Co. Kg Schallwandler-Magnetsystem
DE202009011485U1 (de) 2009-08-26 2009-12-24 Beyerdynamic Gmbh & Co. Kg Schallwandler-Magnetsystem
US8942408B1 (en) 2011-07-22 2015-01-27 James Joseph Croft, III Magnetically one-side driven planar transducer with improved electro-magnetic circuit
TWI492641B (zh) 2012-11-13 2015-07-11 Cotron Corp 振動元件
US9197965B2 (en) 2013-03-15 2015-11-24 James J. Croft, III Planar-magnetic transducer with improved electro-magnetic circuit
US9843850B2 (en) 2015-09-26 2017-12-12 Intel Corporation Audio speakers with integrated sealing and assembly features for “caseless” installation
TW201813417A (zh) * 2016-09-20 2018-04-01 固昌通訊股份有限公司 平面喇叭單體
DE102017102219A1 (de) 2017-02-06 2018-08-09 Sennheiser Electronic Gmbh & Co. Kg Planardynamischer Wandler

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3898598A (en) * 1974-01-24 1975-08-05 Foster Tsushin Kogyo Dynamic electroacoustic transducer
GB1471299A (en) * 1974-12-23 1977-04-21 Foster Electric Co Ltd Diaphragm for electroacoustic transducer
GB1478169A (en) * 1974-12-23 1977-06-29 Foster Electric Co Ltd Diaphragm for electroacoustic transducer

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL274947A (fr) * 1961-02-20
GB1059055A (en) * 1965-08-03 1967-02-15 Standard Telephones Cables Ltd Diaphragm assemblies
US3674109A (en) * 1969-08-26 1972-07-04 Nippon Musical Instruments Mfg Thermo-plastic laminated structure
US4086449A (en) * 1974-05-14 1978-04-25 Matsushita Electric Industrial Co., Ltd. Loudspeaker with burning resistant diaphragm
JPS524228A (en) * 1975-06-19 1977-01-13 Matsushita Electric Ind Co Ltd Non-directional dynamic type electric sound convertor
GB1563511A (en) * 1976-03-19 1980-03-26 Harwood H Diaphragms for electroacoustic transducers
CA1098774A (fr) * 1976-05-17 1981-04-07 Hirotoshi Niguchi Membrane acoustique avec revetement a base de polyurethanne

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3898598A (en) * 1974-01-24 1975-08-05 Foster Tsushin Kogyo Dynamic electroacoustic transducer
GB1471299A (en) * 1974-12-23 1977-04-21 Foster Electric Co Ltd Diaphragm for electroacoustic transducer
GB1478169A (en) * 1974-12-23 1977-06-29 Foster Electric Co Ltd Diaphragm for electroacoustic transducer

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/78 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0016230A1 (fr) * 1978-06-14 1980-10-01 Sumitomo Bakelite Company Limited Substrat pour circuit imprime flexible et sa methode de fabrication, ainsi que pellicule
EP0016230A4 (fr) * 1978-06-14 1980-10-15 Sumitomo Bakelite Co Substrat pour circuit imprime flexible et sa methode de fabrication, ainsi que pellicule.

Also Published As

Publication number Publication date
CA1130910A (fr) 1982-08-31
US4281223A (en) 1981-07-28
FR2433883B1 (fr) 1984-04-06
DE2933630C2 (fr) 1989-06-22
DE2933630A1 (de) 1980-02-28
JPS5527721A (en) 1980-02-28
NL7906309A (nl) 1980-02-20
GB2029162A (en) 1980-03-12
GB2029162B (en) 1982-12-01
JPS5740717B2 (fr) 1982-08-30

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Legal Events

Date Code Title Description
ST Notification of lapse
AR Application made for restoration
BR Restoration of rights
ST Notification of lapse