IT1085790B - Diaframma per trasduttori elettroacustici - Google Patents

Diaframma per trasduttori elettroacustici

Info

Publication number
IT1085790B
IT1085790B IT21446/77A IT2144677A IT1085790B IT 1085790 B IT1085790 B IT 1085790B IT 21446/77 A IT21446/77 A IT 21446/77A IT 2144677 A IT2144677 A IT 2144677A IT 1085790 B IT1085790 B IT 1085790B
Authority
IT
Italy
Prior art keywords
diaphragm
electroacoustic transducers
electroacoustic
transducers
Prior art date
Application number
IT21446/77A
Other languages
English (en)
Original Assignee
Harwood Hugh Dudley
Pao Joseph Yee Ching
Stebbings David William
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 Harwood Hugh Dudley, Pao Joseph Yee Ching, Stebbings David William filed Critical Harwood Hugh Dudley
Application granted granted Critical
Publication of IT1085790B publication Critical patent/IT1085790B/it

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
    • 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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones
    • 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
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
    • H04R2307/029—Diaphragms comprising fibres

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Laminated Bodies (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
IT21446/77A 1976-03-19 1977-03-21 Diaframma per trasduttori elettroacustici IT1085790B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB11057/76A GB1563511A (en) 1976-03-19 1976-03-19 Diaphragms for electroacoustic transducers

Publications (1)

Publication Number Publication Date
IT1085790B true IT1085790B (it) 1985-05-28

Family

ID=9979221

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21446/77A IT1085790B (it) 1976-03-19 1977-03-21 Diaframma per trasduttori elettroacustici

Country Status (21)

Country Link
US (1) US4190746A (it)
AR (1) AR212199A1 (it)
AU (1) AU510556B2 (it)
BE (2) BE852615A (it)
BR (1) BR7701698A (it)
CA (1) CA1058090A (it)
CH (1) CH637258A5 (it)
DE (1) DE2711996C2 (it)
DK (1) DK148579C (it)
ES (1) ES457329A1 (it)
FI (1) FI65695C (it)
FR (1) FR2345048A1 (it)
GB (1) GB1563511A (it)
HK (1) HK62684A (it)
IT (1) IT1085790B (it)
NL (1) NL7702930A (it)
NO (1) NO148055C (it)
NZ (1) NZ183607A (it)
SE (1) SE7703123L (it)
SG (1) SG17883G (it)
ZA (1) ZA771543B (it)

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JPS5527721A (en) * 1978-08-18 1980-02-28 Sony Corp Diaphragm for electroacoustic converter
DE2900427B1 (de) * 1979-01-08 1979-08-02 Licentia Gmbh Dynamischer Wandler mit einer Schwingspule in einem mit einer magnetischen Fluessigkeit gefuellten Luftspalt
JPS55173691U (it) * 1979-05-31 1980-12-12
JPS5634297A (en) * 1979-08-29 1981-04-06 Kenzo Inoue Speaker unit
GB2059717B (en) * 1979-09-25 1984-04-04 Victor Company Of Japan Speaker diaphragm assembly and a method of manufacturing the same
GB2062408B (en) * 1979-10-02 1984-02-22 Victor Company Of Japan Speaker
AU538247B2 (en) * 1979-11-09 1984-08-02 Matsushita Electric Industrial Co., Ltd. Speaker and speaker system
FR2471113A1 (fr) * 1979-12-05 1981-06-12 Audax Membrane notamment pour transducteur electro-acoustique
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FR2522912B1 (fr) * 1982-03-03 1986-08-14 Audax Suspension peripherique en elastomere de la membrane d'un transducteur electro-acoustique
US4518642A (en) * 1983-04-15 1985-05-21 International Jensen Incorporated Loudspeaker diaphragm and method for making same
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US5162619A (en) * 1987-07-03 1992-11-10 Ewd Electronic-Werke Deutschland Gmbh Diaphragm for a loudspeaker
US5008945A (en) * 1988-05-23 1991-04-16 Pioneer Electronic Corp. Water-proof speaker unit
DE3831706A1 (de) * 1988-09-17 1990-03-22 Bayer Ag Membran fuer lautsprecher
AU3756989A (en) * 1988-10-03 1990-05-01 Harman International Industries Incorporated Electrodynamic transducer structure
JPH02260799A (ja) * 1989-03-30 1990-10-23 Pioneer Electron Corp スピーカおよびその製造方法
JP3116119B2 (ja) * 1989-04-27 2000-12-11 ティーオーエー株式会社 スピーカ用ホーン
JPH07101959B2 (ja) * 1990-06-29 1995-11-01 オンキヨー株式会社 スピーカ用振動板の接着方法
DE4116819A1 (de) * 1991-05-23 1992-11-26 Nokia Deutschland Gmbh Staubschutzkalotte fuer konuslautsprecher
US5689573A (en) * 1992-01-07 1997-11-18 Boston Acoustics, Inc. Frequency-dependent amplitude modification devices for acoustic sources
EP0552040B1 (en) 1992-01-15 1996-01-03 Patrick Arthur Leach Method and apparatus for making a loudspeaker cone and surround assembly
CH684670A5 (de) * 1992-10-20 1994-11-15 Gyoergy Csikos Verfahren zum Wandeln der mechanischen Schwingung eines Treibers in ein akustisches Signal und Wandler zu dessen Ausführung.
US5701358A (en) * 1994-07-05 1997-12-23 Larsen; John T. Isobaric loudspeaker
US5687247A (en) * 1995-07-13 1997-11-11 Proni; Lucio Surround for a loudspeaker
GB2315185A (en) * 1996-07-09 1998-01-21 B & W Loudspeakers Diaphragm surrounds for loudspeaker drive units
DE59804667D1 (de) * 1997-03-12 2002-08-08 Siegfried Schriever Lautsprecher und verfahren zur herstellung eines lautsprechers
US5848174A (en) * 1998-02-09 1998-12-08 Ki; Young Do Linear movement speaker system
CA2336072A1 (en) 1998-06-22 1999-12-29 Slab Technology Limited Loudspeakers
CA2304765C (en) * 1998-07-21 2007-10-02 Jbl Incorporated Miniature full range loudspeaker
US6173065B1 (en) * 1999-08-03 2001-01-09 Steff Lin Structure of speaker
EP1100287A1 (en) * 1999-11-10 2001-05-16 M- Tech(HK) Co. Ltd Loudspeaker
FR2808161A1 (fr) * 2000-04-19 2001-10-26 Ecia Equip Composants Ind Auto Haut-parleur et ligne d'echappement le comportant
JP2002300696A (ja) * 2001-03-30 2002-10-11 Pioneer Electronic Corp スピーカ用ダンパ
GB2377849A (en) * 2001-07-21 2003-01-22 Kh Technology Corp Loudspeaker drive units with smooth transition to surround
US6940007B2 (en) * 2002-02-20 2005-09-06 James Schmidt Pad with improved sound-reflecting surface for woodwind musical instruments and lubricant to prevent pads from sticking
FR2854021B1 (fr) * 2003-04-16 2006-03-31 Focal Jmlab Transducteur acoustiques en beryllium pur a radiation directe, a membrane de forme concave, pour applications audio notamment pour enceintes acoustiques
DE10321690A1 (de) * 2003-05-14 2004-12-09 Harman Becker Automotive Systems Gmbh Lautsprecher
KR100533715B1 (ko) * 2003-12-05 2005-12-05 신정열 코일판 가이드수단을 구비하는 평판형 스피커
EP1558057A1 (en) * 2004-01-23 2005-07-27 DE ROOIJ, Jacobus, Maria Loudspeaker with specific plastic element for sound emission
US20060050924A1 (en) * 2004-09-03 2006-03-09 Hiroshi Ohara Angled cone of loudspeaker
WO2006073604A1 (en) * 2004-11-22 2006-07-13 Harman International Industries, Incorporated Loudspeaker plastic cone body
JP2008527949A (ja) * 2005-01-06 2008-07-24 ピーエスエス・ベルギー・エヌブイ 可動円錐体を有するスピーカ
JP4059265B2 (ja) * 2005-06-08 2008-03-12 オンキヨー株式会社 スピーカー用部材およびその製造方法
DE102008018206B3 (de) * 2008-04-10 2009-10-22 Johanna Reck Lautsprecher
US20100236861A1 (en) * 2009-03-17 2010-09-23 Merry Electronics Co., Ltd. Diaphragm of electro-acoustic transducer
HU229608B1 (en) * 2011-10-04 2014-03-28 Zoltan Bay Loudspeaker
GB2505953B (en) * 2012-09-18 2019-05-08 B & W Group Ltd Stepped thickness change in dome-shaped diaphragms for loudspeaker drive units or microphones
US9232314B2 (en) * 2013-09-09 2016-01-05 Sonos, Inc. Loudspeaker configuration
FR3014628B1 (fr) * 2013-12-05 2017-04-21 Devialet Haut-parleur electrodynamique compact a membrane convexe
US9025809B1 (en) 2014-01-03 2015-05-05 Rockford Corporation Voicecoil affixation
US9008348B1 (en) 2014-01-03 2015-04-14 Rockford Corporation Low profile loudspeaker
TWI561093B (en) * 2014-10-29 2016-12-01 Asustek Comp Inc Speaker structure
US9769570B2 (en) * 2015-03-31 2017-09-19 Bose Corporation Acoustic diaphragm
US9854365B2 (en) * 2016-04-15 2017-12-26 Harman International Industries, Inc. Loudspeaker motor and suspension system
CN206341125U (zh) * 2016-12-12 2017-07-18 瑞声科技(新加坡)有限公司 振动电机
US20190253790A1 (en) 2018-02-15 2019-08-15 Alexander B Ralph Ported tweeter
US11381921B2 (en) * 2018-10-30 2022-07-05 Sound Solutions International Co., Ltd. Electrodynamic acoustic transducer with improved suspension system
DE102020001252A1 (de) 2020-02-26 2021-08-26 Christian Alexander Groneberg Lautsprechermembran und Verfahren zur Herstellung einer Lautsprechermembran für einen Lautsprecher des Typs Bändchenmagnetostat

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FR558037A (fr) * 1922-02-17 1923-08-20 Ets Gaumont Soc Appareil pour la production des sons, tel que récepteur ou émetteur téléphoniqueélectro-magnétique
US2922851A (en) * 1957-05-10 1960-01-26 Gen Dynamics Corp Loudspeakers
US3111187A (en) * 1959-11-23 1963-11-19 H J Leak & Company Ltd Diaphragm for electro acoustic transducer
US3093207A (en) * 1960-10-04 1963-06-11 R T Bozak Mfg Company Metallic diaphragm for electrodynamic loudspeakers
US3313018A (en) * 1962-07-06 1967-04-11 Tibbetts Industries Method of making diaphragm means for acoustic translating devices
US3345469A (en) * 1964-03-02 1967-10-03 Rod Dev Corp Electrostatic loudspeakers
DE1299041B (de) * 1966-04-06 1969-07-10 Nippon Gakki Co Ltd Seizo Kabu Membran fuer Flachlautsprecher
GB1174911A (en) * 1966-06-20 1969-12-17 Audio & Design Ltd Improvements in or relating to Electro-Acoustic Transducers
GB1271539A (en) * 1969-10-22 1972-04-19 Foster Electric Co Ltd Diaphragm for loud speakers and method of making the same
DE2225710C3 (de) * 1971-05-28 1975-12-04 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka Membran für elektroakustische Wandler und Verfahren zu ihrer Herstellung
DE2233225C3 (de) * 1971-07-07 1975-03-27 Pioneer Electronic Corp., Tokio Lautsprecher für einen Kopfhörer oder dgl
AT310272B (de) * 1971-12-09 1973-09-25 Akg Akustische Kino Geraete Elektrodynamisches Antriebsystem, insbesondere Schallwandler
JPS5346087B2 (it) * 1973-07-19 1978-12-11
US3930130A (en) * 1973-09-21 1975-12-30 Union Carbide Corp Carbon fiber strengthened speaker cone
US3898598A (en) * 1974-01-24 1975-08-05 Foster Tsushin Kogyo Dynamic electroacoustic transducer
US3935397A (en) * 1974-01-28 1976-01-27 Electronic Industries, Inc. Electrostatic loudspeaker element
US4020296A (en) * 1976-01-19 1977-04-26 Dahlquist Jon G Electroacoustic transducer

Also Published As

Publication number Publication date
NZ183607A (en) 1981-04-24
FI770850A (it) 1977-09-20
BR7701698A (pt) 1978-01-24
US4190746A (en) 1980-02-26
ZA771543B (en) 1978-03-29
DE2711996C2 (de) 1985-01-31
AR212199A1 (es) 1978-05-31
GB1563511A (en) 1980-03-26
CA1058090A (en) 1979-07-10
HK62684A (en) 1984-08-17
AU2343477A (en) 1978-09-28
FR2345048B1 (it) 1985-05-17
NO148055C (no) 1983-08-10
BE881498Q (fr) 1980-05-30
FI65695B (fi) 1984-02-29
ES457329A1 (es) 1978-02-16
FR2345048A1 (fr) 1977-10-14
SG17883G (en) 1985-01-11
DK120877A (da) 1977-09-20
NO770927L (no) 1977-09-20
NL7702930A (nl) 1977-09-21
SE7703123L (sv) 1977-09-20
DK148579B (da) 1985-08-05
DK148579C (da) 1985-12-30
NO148055B (no) 1983-04-18
BE852615A (fr) 1977-07-18
CH637258A5 (de) 1983-07-15
FI65695C (fi) 1984-06-11
AU510556B2 (en) 1980-07-03
DE2711996A1 (de) 1977-09-29

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