GB1563511A - Diaphragms for electroacoustic transducers - Google Patents

Diaphragms for electroacoustic transducers Download PDF

Info

Publication number
GB1563511A
GB1563511A GB11057/76A GB1105776A GB1563511A GB 1563511 A GB1563511 A GB 1563511A GB 11057/76 A GB11057/76 A GB 11057/76A GB 1105776 A GB1105776 A GB 1105776A GB 1563511 A GB1563511 A GB 1563511A
Authority
GB
United Kingdom
Prior art keywords
diaphragm
loudspeaker
polypropylene
diaphragms
propylene
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
GB11057/76A
Other languages
English (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB11057/76A priority Critical patent/GB1563511A/en
Priority to NZ183607A priority patent/NZ183607A/xx
Priority to NO770927A priority patent/NO148055C/no
Priority to ZA00771543A priority patent/ZA771543B/xx
Priority to NL7702930A priority patent/NL7702930A/xx
Priority to FI770850A priority patent/FI65695C/fi
Priority to US05/779,221 priority patent/US4190746A/en
Priority to BR7701698A priority patent/BR7701698A/pt
Priority to CH342677A priority patent/CH637258A5/de
Priority to AR266907A priority patent/AR212199A1/es
Priority to BE175897A priority patent/BE852615A/xx
Priority to CA274,277A priority patent/CA1058090A/en
Priority to DE2711996A priority patent/DE2711996C2/de
Priority to DK120877A priority patent/DK148579C/da
Priority to SE7703123A priority patent/SE7703123L/xx
Priority to ES457329A priority patent/ES457329A1/es
Priority to AU23434/77A priority patent/AU510556B2/en
Priority to IT21446/77A priority patent/IT1085790B/it
Priority to FR7708367A priority patent/FR2345048A1/fr
Priority to BE0/199221A priority patent/BE881498Q/fr
Publication of GB1563511A publication Critical patent/GB1563511A/en
Priority to SG178/83A priority patent/SG17883G/en
Priority to HK626/84A priority patent/HK62684A/xx
Expired legal-status Critical Current

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
    • 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; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Laminated Bodies (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
GB11057/76A 1976-03-19 1976-03-19 Diaphragms for electroacoustic transducers Expired GB1563511A (en)

Priority Applications (22)

Application Number Priority Date Filing Date Title
GB11057/76A GB1563511A (en) 1976-03-19 1976-03-19 Diaphragms for electroacoustic transducers
NZ183607A NZ183607A (en) 1976-03-19 1977-03-15 Loudspeaker diaphragm of specific properties
NO770927A NO148055C (no) 1976-03-19 1977-03-15 Membran for dynamisk hoeyttaler samt dynamisk hoeyttaler som omfatter en slik membran
ZA00771543A ZA771543B (en) 1976-03-19 1977-03-15 Loudspeaker diaphragm
NL7702930A NL7702930A (nl) 1976-03-19 1977-03-17 Diafragma voor een elektro-akoestische omzetter.
FI770850A FI65695C (fi) 1976-03-19 1977-03-17 Hoegtalarmembran
CA274,277A CA1058090A (en) 1976-03-19 1977-03-18 Diaphragms for electroacoustic transducers
ES457329A ES457329A1 (es) 1976-03-19 1977-03-18 Perfeccionamientos en los diafragmas para altavoces.
CH342677A CH637258A5 (de) 1976-03-19 1977-03-18 Elektroakustischer wandler mit einer membrane aus polyolefin bestehend.
AR266907A AR212199A1 (es) 1976-03-19 1977-03-18 Diafragma para un transductor electroacustico
BE175897A BE852615A (fr) 1976-03-19 1977-03-18 Perfectionnements a des diaphragmes pour transducteurs electro-acoustiques
US05/779,221 US4190746A (en) 1976-03-19 1977-03-18 Diaphragm material for moving coil loudspeaker, may be laminated or integral with surround
DE2711996A DE2711996C2 (de) 1976-03-19 1977-03-18 Elektroakustischer Wandler
DK120877A DK148579C (da) 1976-03-19 1977-03-18 Membran til en elektroakustisk transor
SE7703123A SE7703123L (sv) 1976-03-19 1977-03-18 Hogtalardiafragma
BR7701698A BR7701698A (pt) 1976-03-19 1977-03-18 Diafragma para um transdutor eletro-acustico e alto-falante do tipo de bobina movel
AU23434/77A AU510556B2 (en) 1976-03-19 1977-03-21 Loudspeaker diaphragm
IT21446/77A IT1085790B (it) 1976-03-19 1977-03-21 Diaframma per trasduttori elettroacustici
FR7708367A FR2345048A1 (fr) 1976-03-19 1977-03-21 Membrane de transducteur electro-acoustique
BE0/199221A BE881498Q (fr) 1976-03-19 1980-02-01 Perfectionnements a des diaphragmes pour transducteurs electro-acoustiques
SG178/83A SG17883G (en) 1976-03-19 1983-04-14 Diaphragms for electroacoustic transducers
HK626/84A HK62684A (en) 1976-03-19 1984-08-09 Diaphragms for electroacoustic transducers

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
GB1563511A true GB1563511A (en) 1980-03-26

Family

ID=9979221

Family Applications (1)

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

Country Status (21)

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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4412103A (en) 1981-03-20 1983-10-25 Kuraray Co., Ltd. Diaphragm for an electro-acoustic transducer
EP0034503B1 (en) * 1980-02-21 1984-05-16 Wharfedale Limited Improvements in moving coil loudspeakers
GB2176673A (en) * 1985-06-05 1986-12-31 Reefgrade Limited Electro-mechanical transducer diaphragm
GB2186761A (en) * 1986-02-14 1987-08-19 Celestion Int Ltd Cone loudspeakers
GB2315185A (en) * 1996-07-09 1998-01-21 B & W Loudspeakers Diaphragm surrounds for loudspeaker drive units
GB2377849A (en) * 2001-07-21 2003-01-22 Kh Technology Corp Loudspeaker drive units with smooth transition to surround

Families Citing this family (62)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (https=) * 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
EP0039740B1 (en) * 1979-11-09 1985-06-26 Matsushita Electric Industrial Co., Ltd. Loud-speaker
FR2471113A1 (fr) * 1979-12-05 1981-06-12 Audax Membrane notamment pour transducteur electro-acoustique
US4319098A (en) * 1980-04-30 1982-03-09 Motorola, Inc. Loudspeaker having a unitary mechanical-acoustic diaphragm termination
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
DE3603537A1 (de) * 1986-02-05 1987-08-06 Pfleid Wohnraumakustik Gmbh Breitbandlautsprecher
DE3719879A1 (de) * 1987-06-13 1988-12-29 Bayer Ag Mehrschichtfolien fuer lautsprechermembransysteme
WO1989000372A1 (fr) * 1987-07-03 1989-01-12 E W D, Electronic-Werke Deutschland Gmbh Membrane pour haut-parleurs
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 (en) * 1988-10-03 1991-09-04 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
JP3080098B2 (ja) 1992-01-15 2000-08-21 アーサー リーチ，パトリック スピーカーのコーン・エッジ組立体を製造する方法及び装置
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
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
HUP0102904A3 (en) 1998-06-22 2002-12-28 Slab Technology Ltd Albany Loudspeakers
ATE446651T1 (de) * 1998-07-21 2009-11-15 Harman Int Ind Miniaturisierter breitbandlautsprecher
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
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
CN101061750B (zh) * 2004-11-22 2011-07-06 哈曼国际工业有限公司 扬声器塑料锥体及扬声器制造方法
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
US9008348B1 (en) 2014-01-03 2015-04-14 Rockford Corporation Low profile loudspeaker
US9025809B1 (en) 2014-01-03 2015-05-05 Rockford Corporation Voicecoil affixation
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
US20190253806A1 (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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US3345469A (en) * 1964-03-02 1967-10-03 Rod Dev Corp Electrostatic loudspeakers
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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
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0034503B1 (en) * 1980-02-21 1984-05-16 Wharfedale Limited Improvements in moving coil loudspeakers
US4412103A (en) 1981-03-20 1983-10-25 Kuraray Co., Ltd. Diaphragm for an electro-acoustic transducer
GB2176673A (en) * 1985-06-05 1986-12-31 Reefgrade Limited Electro-mechanical transducer diaphragm
GB2186761A (en) * 1986-02-14 1987-08-19 Celestion Int Ltd Cone loudspeakers
GB2186761B (en) * 1986-02-14 1989-11-08 Celestion Int Ltd Cone loudspeakers
GB2315185A (en) * 1996-07-09 1998-01-21 B & W Loudspeakers Diaphragm surrounds for loudspeaker drive units
US6219432B1 (en) 1996-07-09 2001-04-17 B&W Loudspeakers Limited Loudspeaker drive unit
GB2377849A (en) * 2001-07-21 2003-01-22 Kh Technology Corp Loudspeaker drive units with smooth transition to surround
US6745867B2 (en) 2001-07-21 2004-06-08 Kh Technology Corporation Loudspeaker drive unit

Also Published As

Publication number Publication date
NO148055B (no) 1983-04-18
NL7702930A (nl) 1977-09-21
DK148579C (da) 1985-12-30
BR7701698A (pt) 1978-01-24
IT1085790B (it) 1985-05-28
FI770850A7 (https=) 1977-09-20
US4190746A (en) 1980-02-26
FR2345048B1 (https=) 1985-05-17
SG17883G (en) 1985-01-11
ES457329A1 (es) 1978-02-16
CA1058090A (en) 1979-07-10
AU2343477A (en) 1978-09-28
BE881498Q (fr) 1980-05-30
FI65695B (fi) 1984-02-29
DE2711996A1 (de) 1977-09-29
BE852615A (fr) 1977-07-18
FR2345048A1 (fr) 1977-10-14
NO770927L (no) 1977-09-20
AU510556B2 (en) 1980-07-03
DK120877A (da) 1977-09-20
NZ183607A (en) 1981-04-24
FI65695C (fi) 1984-06-11
HK62684A (en) 1984-08-17
CH637258A5 (de) 1983-07-15
AR212199A1 (es) 1978-05-31
NO148055C (no) 1983-08-10
SE7703123L (sv) 1977-09-20
DE2711996C2 (de) 1985-01-31
DK148579B (da) 1985-08-05
ZA771543B (en) 1978-03-29

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee