FR2345048B1 - - Google Patents

Info

Publication number
FR2345048B1
FR2345048B1 FR7708367A FR7708367A FR2345048B1 FR 2345048 B1 FR2345048 B1 FR 2345048B1 FR 7708367 A FR7708367 A FR 7708367A FR 7708367 A FR7708367 A FR 7708367A FR 2345048 B1 FR2345048 B1 FR 2345048B1
Authority
FR
France
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
FR7708367A
Other versions
FR2345048A1 (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.)
PAO JOSEPH LEE CHING
Original Assignee
PAO JOSEPH LEE CHING
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 PAO JOSEPH LEE CHING filed Critical PAO JOSEPH LEE CHING
Publication of FR2345048A1 publication Critical patent/FR2345048A1/fr
Application granted granted Critical
Publication of FR2345048B1 publication Critical patent/FR2345048B1/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
    • 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
FR7708367A 1976-03-19 1977-03-21 Membrane de transducteur electro-acoustique Granted FR2345048A1 (fr)

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 (2)

Publication Number Publication Date
FR2345048A1 FR2345048A1 (fr) 1977-10-14
FR2345048B1 true FR2345048B1 (fr) 1985-05-17

Family

ID=9979221

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7708367A Granted FR2345048A1 (fr) 1976-03-19 1977-03-21 Membrane de transducteur electro-acoustique

Country Status (21)

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

Families Citing this family (68)

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DE2801137A1 (de) * 1978-01-12 1979-07-19 Peerless Gmbh Lautsprecher
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 (fr) * 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
DE3036876C2 (de) * 1979-10-02 1983-09-08 Victor Company Of Japan, Ltd., Yokohama, Kanagawa Lautsprecher mit einer Membran und einem Schwingspulenkörper
DE3070816D1 (en) * 1979-11-09 1985-08-01 Matsushita Electric Ind Co Ltd Loud-speaker
FR2471113A1 (fr) * 1979-12-05 1981-06-12 Audax Membrane notamment pour transducteur electro-acoustique
EP0034503B1 (fr) * 1980-02-21 1984-05-16 Wharfedale Limited Haut-parleurs à bobine mobile
US4319098A (en) * 1980-04-30 1982-03-09 Motorola, Inc. Loudspeaker having a unitary mechanical-acoustic diaphragm termination
DE3265340D1 (en) 1981-03-20 1985-09-19 Kuraray Co Diaphragm for an electro-acoustic transducer
JPS58111600A (ja) * 1981-12-25 1983-07-02 Victor Co Of Japan Ltd 音響振動板
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
NL8301653A (nl) * 1983-05-10 1984-12-03 Philips Nv Elektro-akoestische omzetter met een luchtdoorlatend membraan.
US4552243A (en) * 1984-05-03 1985-11-12 Pioneer Industrial Components, Inc. Diaphragm material for acoustical transducer
GB8514189D0 (en) * 1985-06-05 1985-07-10 Reefgrade Ltd Electro-mechanical transducer diaphragm
DE3603537A1 (de) * 1986-02-05 1987-08-06 Pfleid Wohnraumakustik Gmbh Breitbandlautsprecher
GB8603645D0 (en) * 1986-02-14 1986-03-19 Celestion Int Ltd Loudspeakers
DE3719879A1 (de) * 1987-06-13 1988-12-29 Bayer Ag Mehrschichtfolien fuer lautsprechermembransysteme
DE3862617D1 (de) * 1987-07-03 1991-06-06 Electronic Werke Deutschland Membran fuer einen lautsprecher.
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
EP0444034A1 (fr) * 1988-10-03 1991-09-04 Harman International Industries, Incorporated Structure de transducteur electrodynamique
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
DK0552040T3 (da) 1992-01-15 1996-02-05 Patrick Arthur Leach Fremgangsmåde og apparat til fremstilling af en højttalerkerne og omgivende konstruktion
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
US6332508B1 (en) * 1997-03-12 2001-12-25 Siegfried Schriever Loudspeaker and method for producing the same
US5848174A (en) * 1998-02-09 1998-12-08 Ki; Young Do Linear movement speaker system
ID27400A (id) 1998-06-22 2001-04-05 Slab Technology Ltd Pengeras suara
KR100373757B1 (ko) * 1998-07-21 2003-02-26 하만인터내셔날인더스트리스인코포레이티드 소형 전대역 스피커
US6173065B1 (en) * 1999-08-03 2001-01-09 Steff Lin Structure of speaker
EP1100287A1 (fr) * 1999-11-10 2001-05-16 M- Tech(HK) Co. Ltd Haut-parleur
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 (fr) * 2004-01-23 2005-07-27 DE ROOIJ, Jacobus, Maria Haut-parleur avec un élément spécifique en plastique à l'émission du son
US20060050924A1 (en) * 2004-09-03 2006-03-09 Hiroshi Ohara Angled cone of loudspeaker
JP4782143B2 (ja) * 2004-11-22 2011-09-28 ハーマン インターナショナル インダストリーズ インコーポレイテッド 拡声器のプラスチックコーンボディ
US20080219481A1 (en) * 2005-01-06 2008-09-11 Pss Belgium N.V. Loudspeaker Having a Movable Cone Body
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

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (fr) * 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
AU510556B2 (en) 1980-07-03
GB1563511A (en) 1980-03-26
FR2345048A1 (fr) 1977-10-14
DK148579C (da) 1985-12-30
DE2711996A1 (de) 1977-09-29
BR7701698A (pt) 1978-01-24
SE7703123L (sv) 1977-09-20
FI770850A (fr) 1977-09-20
ZA771543B (en) 1978-03-29
FI65695C (fi) 1984-06-11
CA1058090A (fr) 1979-07-10
HK62684A (en) 1984-08-17
NL7702930A (nl) 1977-09-21
BE881498Q (fr) 1980-05-30
FI65695B (fi) 1984-02-29
NZ183607A (en) 1981-04-24
AU2343477A (en) 1978-09-28
DE2711996C2 (de) 1985-01-31
ES457329A1 (es) 1978-02-16
NO770927L (no) 1977-09-20
US4190746A (en) 1980-02-26
NO148055C (no) 1983-08-10
NO148055B (no) 1983-04-18
AR212199A1 (es) 1978-05-31
DK120877A (da) 1977-09-20
DK148579B (da) 1985-08-05
SG17883G (en) 1985-01-11
BE852615A (fr) 1977-07-18
CH637258A5 (de) 1983-07-15
IT1085790B (it) 1985-05-28

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse