GB2029162B - Electroacoustic transducers - Google Patents

Electroacoustic transducers

Info

Publication number
GB2029162B
GB2029162B GB7928805A GB7928805A GB2029162B GB 2029162 B GB2029162 B GB 2029162B GB 7928805 A GB7928805 A GB 7928805A GB 7928805 A GB7928805 A GB 7928805A GB 2029162 B GB2029162 B GB 2029162B
Authority
GB
United Kingdom
Prior art keywords
electroacoustic transducers
electroacoustic
transducers
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.)
Expired
Application number
GB7928805A
Other languages
English (en)
Other versions
GB2029162A (en
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
Sumitomo Bakelite Co Ltd
Original Assignee
Sony Corp
Sumitomo Bakelite Co Ltd
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, Sumitomo Bakelite Co Ltd filed Critical Sony Corp
Publication of GB2029162A publication Critical patent/GB2029162A/en
Application granted granted Critical
Publication of GB2029162B publication Critical patent/GB2029162B/en
Expired 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)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (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)
GB7928805A 1978-08-18 1979-08-17 Electroacoustic transducers Expired GB2029162B (en)

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
GB2029162A GB2029162A (en) 1980-03-12
GB2029162B true GB2029162B (en) 1982-12-01

Family

ID=14276561

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7928805A Expired GB2029162B (en) 1978-08-18 1979-08-17 Electroacoustic transducers

Country Status (7)

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

Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54162174A (en) * 1978-06-14 1979-12-22 Sumitomo Bakelite Co Method of producing flexible printed circuit board
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 (en) * 1981-08-27 1985-12-27 Toray Industries, Inc. Vibrating plate for speaker
EP0262406A3 (en) * 1982-06-17 1988-08-31 LARSON, David A. Electro-acoustic transducer with diaphragm and blank therefor
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 (en) * 1988-11-07 1993-06-08 William Neal House Shallow loudspeaker with slotted magnet structure
US5446797A (en) * 1992-07-17 1995-08-29 Linaeum Corporation Audio transducer with etched voice coil
AU4683493A (en) * 1992-07-17 1994-02-14 Linaeum Corporation Audio transducer with etched voice coil
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 (de) * 1998-10-07 2004-01-02 DaimlerChrysler AG Verwendung eines Werkstoffes mit hoher Materialdämpfung für ein Bauteil einer schallemittierenden Maschine
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 (en) * 2001-11-05 2003-05-15 Matsushita Electric Industrial Co., Ltd. Loudspeaker
US7278200B2 (en) * 2002-05-02 2007-10-09 Harman International Industries, Incorporated Method of tensioning a diaphragm for an electro-dynamic loudspeaker
US7627134B2 (en) 2002-05-02 2009-12-01 Harman International Industries, Incorporated Magnet retention system in planar loudspeakers
US7149321B2 (en) 2002-05-02 2006-12-12 Harman International Industries, Incorporated Electro-dynamic loudspeaker mounting system
US20040022409A1 (en) * 2002-05-02 2004-02-05 Hutt Steven W. Film attaching system
US20040042632A1 (en) * 2002-05-02 2004-03-04 Hutt Steven W. Directivity control of electro-dynamic loudspeakers
US7035425B2 (en) 2002-05-02 2006-04-25 Harman International Industries, Incorporated Frequency response enhancements for electro-dynamic loudspeakers
US7155026B2 (en) 2002-05-02 2006-12-26 Harman International Industries, Incorporated Mounting bracket system
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
US7146017B2 (en) * 2002-05-02 2006-12-05 Harman International Industries, Incorporated Electrical connectors for electro-dynamic loudspeakers
US7152299B2 (en) 2002-05-02 2006-12-26 Harman International Industries, Incorporated Method of assembling a loudspeaker
US7236608B2 (en) 2002-05-02 2007-06-26 Harman International Industries, Incorporated Conductors for electro-dynamic loudspeakers
US7471801B2 (en) * 2002-05-10 2008-12-30 Osseofon Ab Device for the generation of or monitoring of vibrations
EP1519983B1 (de) * 2002-06-28 2014-04-23 Lofo High Tech Film GmbH Membranen aus polyarylat-giessfolien
US7316290B2 (en) * 2003-01-30 2008-01-08 Harman International Industries, Incorporated Acoustic lens system
US7894619B2 (en) * 2004-10-21 2011-02-22 Shure Incorporated Acoustic ribbon transducer arrangements
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
WO2010073839A1 (ja) * 2008-12-25 2010-07-01 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
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
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
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
DE102017102219B4 (de) 2017-02-06 2025-12-31 Sonova Consumer Hearing Gmbh Planardynamischer Wandler

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL274947A (enExample) * 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
US3898598A (en) * 1974-01-24 1975-08-05 Foster Tsushin Kogyo Dynamic electroacoustic transducer
US4086449A (en) * 1974-05-14 1978-04-25 Matsushita Electric Industrial Co., Ltd. Loudspeaker with burning resistant diaphragm
DE2461256C3 (de) * 1974-12-23 1978-11-02 Foster Electric Co., Ltd., Tokio Membrane für einen elektroakustischen Wandler
DE2461257C3 (de) * 1974-12-23 1978-11-02 Foster Electric Co., Ltd., Tokio Membran für einen elektroakustischen Wandler
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 (en) * 1976-05-17 1981-04-07 Hirotoshi Niguchi Acoustic diaphragm with polyurethane elastomer coating

Also Published As

Publication number Publication date
NL7906309A (nl) 1980-02-20
CA1130910A (en) 1982-08-31
DE2933630C2 (enExample) 1989-06-22
US4281223A (en) 1981-07-28
FR2433883B1 (enExample) 1984-04-06
JPS5527721A (en) 1980-02-28
FR2433883A1 (fr) 1980-03-14
GB2029162A (en) 1980-03-12
JPS5740717B2 (enExample) 1982-08-30
DE2933630A1 (de) 1980-02-28

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930817