GB1435555A - Electroacoustic transducers and diaphragms therefor - Google Patents

Electroacoustic transducers and diaphragms therefor

Info

Publication number
GB1435555A
GB1435555A GB3498773A GB3498773A GB1435555A GB 1435555 A GB1435555 A GB 1435555A GB 3498773 A GB3498773 A GB 3498773A GB 3498773 A GB3498773 A GB 3498773A GB 1435555 A GB1435555 A GB 1435555A
Authority
GB
United Kingdom
Prior art keywords
diaphragm
former
ring
butadiene copolymer
coil
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
GB3498773A
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
Publication of GB1435555A publication Critical patent/GB1435555A/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
    • H04R9/063—Loudspeakers using a plurality of acoustic drivers
    • 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
    • H04R7/04—Plane diaphragms
    • 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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
GB3498773A 1972-07-25 1973-07-23 Electroacoustic transducers and diaphragms therefor Expired GB1435555A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2236374A DE2236374C3 (de) 1972-07-25 1972-07-25 Elektroakustisches Wandlersystem

Publications (1)

Publication Number Publication Date
GB1435555A true GB1435555A (en) 1976-05-12

Family

ID=5851586

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3498773A Expired GB1435555A (en) 1972-07-25 1973-07-23 Electroacoustic transducers and diaphragms therefor

Country Status (13)

Country Link
US (1) US3937905A (enExample)
JP (1) JPS5421087B2 (enExample)
BE (1) BE802780A (enExample)
BR (1) BR7305554D0 (enExample)
CA (1) CA1021870A (enExample)
DD (1) DD105540A5 (enExample)
DE (1) DE2236374C3 (enExample)
FR (1) FR2194100B1 (enExample)
GB (1) GB1435555A (enExample)
IT (1) IT991366B (enExample)
NL (1) NL179861C (enExample)
NO (1) NO138076C (enExample)
SE (1) SE388993B (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4335087B4 (de) * 1992-10-20 2005-12-22 Gyoergy Csikos Verfahren und Wandler zum Wandeln der mechanischen Schwingung eines Treibers in ein akustisches Signal
WO2016193691A1 (en) * 2015-05-29 2016-12-08 B&W Group Ltd Loudspeaker diaphragm
WO2018100326A1 (en) * 2016-11-29 2018-06-07 B&W Group Ltd Loudspeaker diaphragm
US11395069B2 (en) 2015-05-29 2022-07-19 B&W Group Ltd. Loudspeaker diaphragm

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2500397C2 (de) * 1975-01-07 1986-05-28 Schorlemer, Frhr. von, Reinfried, Dipl.-Phys., 3500 Kassel Membran für ein elektroakustisches Wandlersystem und damit ausgerüstetes elektroakustisches Wandlersystem
GB1491080A (en) * 1975-03-15 1977-11-09 B & W Loudspeakers Loudspeakers
US4013846A (en) * 1975-08-28 1977-03-22 Minnesota Mining And Manufacturing Company Piston loudspeaker
US4140203A (en) * 1976-05-17 1979-02-20 Matsushita Electric Industrial Co., Ltd. Acoustic diaphragm with polyurethane elastomer coating
GB2055013B (en) * 1979-06-30 1983-12-21 Pioneer Electronic Corp Magnetic circuits for a loudspeaker having a planar diaphragm
GB2055012B (en) * 1979-06-30 1984-01-04 Pioneer Electronic Corp Coaxial planar diaphragm loudspeaker system
US4360707A (en) * 1980-11-24 1982-11-23 Cts Corporation Digitally driven combination coils for electrodynamic acoustic transducers
DE3123098C2 (de) * 1981-06-11 1983-06-01 Martin 4600 Dortmund Stute Membran für elektroakustische Wandlersysteme
NL8301653A (nl) * 1983-05-10 1984-12-03 Philips Nv Elektro-akoestische omzetter met een luchtdoorlatend membraan.
GB8321810D0 (en) * 1983-08-12 1983-09-14 Linn Prod Ltd Loudspeaker with notional feedback
DE3521845A1 (de) * 1985-06-19 1987-01-02 Martin Stute Elektrodynamischer lautsprecher
US4737992A (en) * 1985-11-15 1988-04-12 Bose Corporation Compact electroacoustical transducer with spider covering rear basket opening
JP2823157B2 (ja) * 1986-04-01 1998-11-11 キヤノン株式会社 オーデイオ出力システム
JPH0695798B2 (ja) * 1986-08-04 1994-11-24 松下電器産業株式会社 スピ−カ用振動板
JPH01295598A (ja) * 1988-02-26 1989-11-29 Yasuhiro Shinjiyou スピーカー
FR2650720A1 (fr) * 1989-08-01 1991-02-08 Blasquez Michel Haut-parleur hi-fi
DE3929266C1 (enExample) * 1989-09-02 1991-01-03 Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De
US5197104A (en) * 1991-04-18 1993-03-23 Josef Lakatos Electrodynamic loudspeaker with electromagnetic impedance sensor coil
DE4213991A1 (de) * 1992-04-30 1993-11-04 Ingo Kintzel Prototypenbau Lautsprecher-membrane
JP2981360B2 (ja) * 1993-03-30 1999-11-22 株式会社ケンウッド スピーカ構造
DE19648986C1 (de) * 1996-11-26 1998-04-09 Raida Hans Joachim Gerichteter Stabstrahler
US6768806B1 (en) * 1998-03-19 2004-07-27 Harman International Industries, Incorporated Shorting rings in dual-coil dual-gap loudspeaker drivers
US6774510B1 (en) * 2000-10-25 2004-08-10 Harman International Industries, Inc. Electromagnetic motor with flux stabilization ring, saturation tips, and radiator
EP1974583A1 (de) * 2006-01-20 2008-10-01 Anocsys AG Verfahren zur bestimmung der position eines beweglichen teils eines elektroakustischen wandlers
DE102008047796A1 (de) * 2008-09-17 2010-04-15 Siemens Aktiengesellschaft Vorrichtung zur Erzeugung von breitbandigem Schall im Hörbereich des Menschen
DE102010021157A1 (de) 2010-05-21 2011-11-24 Daniela Manger 3D-Stereospaltmikrofon
US20150172822A1 (en) * 2012-08-24 2015-06-18 Cheng Yih Jenq Loudspeaker driver with dual electromagnet assemblies and loudspeaker system
US9191746B2 (en) * 2012-08-24 2015-11-17 Cheng Yih Jenq Loudspeaker driver with dual electromagnet assemblies
CN115441683B (zh) * 2022-09-26 2025-04-01 东莞市雅尚电器有限公司 高频电磁摆转电机

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1552311A (en) * 1922-06-08 1925-09-01 George D Kellogg Acoustic diaphragm
US1827283A (en) * 1927-01-29 1931-10-13 Gen Talking Pictures Corp Sound reproducer
DE521988C (de) * 1928-06-17 1931-04-01 Beyer Eugen Schallgeraet, insbesondere Lautsprecher mit um eine Achse schwingbar gelagerter Membran
US1909275A (en) * 1930-01-28 1933-05-16 Philadelphia Storage Battery Method of assembling electrodynamic sound reproducers
GB406749A (en) * 1932-09-08 1934-03-08 Albert Henry Midgley Improvements in or relating to telephone transmitters or receivers for transmitting, reproducing or recording sound waves
US2115795A (en) * 1936-03-04 1938-05-03 Control Instr Co Inc Magnetic unit
US2216961A (en) * 1937-09-30 1940-10-08 Rca Corp Sound translating apparatus
DK70808C (da) * 1946-01-09 1950-04-03 For Elektroakustisk Materiel A Elektrodynamisk mikrofon.
US2537253A (en) * 1946-08-20 1951-01-09 Chris S Andersen Electrodynamic telephone receiver
BE496097A (enExample) * 1949-06-04
US2873813A (en) * 1955-07-27 1959-02-17 Hawley Products Co Acoustic diaphragm and method of construction
NL7105001A (enExample) * 1971-04-14 1972-10-17

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4335087B4 (de) * 1992-10-20 2005-12-22 Gyoergy Csikos Verfahren und Wandler zum Wandeln der mechanischen Schwingung eines Treibers in ein akustisches Signal
WO2016193691A1 (en) * 2015-05-29 2016-12-08 B&W Group Ltd Loudspeaker diaphragm
US10390141B2 (en) 2015-05-29 2019-08-20 EVA Automation, Inc. Loudspeaker diaphragm
US11395069B2 (en) 2015-05-29 2022-07-19 B&W Group Ltd. Loudspeaker diaphragm
US11743651B2 (en) 2015-05-29 2023-08-29 B&W Group Ltd. Loudspeaker diaphragm
EP4277298A2 (en) 2015-05-29 2023-11-15 B&W Group Ltd Loudspeaker diaphragm
WO2018100326A1 (en) * 2016-11-29 2018-06-07 B&W Group Ltd Loudspeaker diaphragm

Also Published As

Publication number Publication date
DD105540A5 (enExample) 1974-04-20
SE388993B (sv) 1976-10-18
FR2194100A1 (enExample) 1974-02-22
CA1021870A (en) 1977-11-29
JPS49109027A (enExample) 1974-10-17
FR2194100B1 (enExample) 1978-12-29
DE2236374B2 (enExample) 1974-05-30
NL7310370A (enExample) 1974-01-29
IT991366B (it) 1975-07-30
BE802780A (fr) 1974-01-25
NO138076C (no) 1978-06-21
DE2236374C3 (de) 1975-01-16
JPS5421087B2 (enExample) 1979-07-27
NO138076B (no) 1978-03-13
DE2236374A1 (de) 1974-03-07
US3937905A (en) 1976-02-10
NL179861B (nl) 1986-06-16
NL179861C (nl) 1986-11-17
BR7305554D0 (pt) 1975-09-02

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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)
PCNP Patent ceased through non-payment of renewal fee