FR2433880A1 - Diaphragme de haut-parleur - Google Patents

Diaphragme de haut-parleur

Info

Publication number
FR2433880A1
FR2433880A1 FR7920881A FR7920881A FR2433880A1 FR 2433880 A1 FR2433880 A1 FR 2433880A1 FR 7920881 A FR7920881 A FR 7920881A FR 7920881 A FR7920881 A FR 7920881A FR 2433880 A1 FR2433880 A1 FR 2433880A1
Authority
FR
France
Prior art keywords
speaker diaphragm
layer
front surface
truncated cone
resonance coefficient
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.)
Granted
Application number
FR7920881A
Other languages
English (en)
Other versions
FR2433880B1 (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.)
Sony Corp
Original Assignee
Sony Corp
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 filed Critical Sony Corp
Publication of FR2433880A1 publication Critical patent/FR2433880A1/fr
Application granted granted Critical
Publication of FR2433880B1 publication Critical patent/FR2433880B1/fr
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
    • 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
    • H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

a. Diaphragme de haut-parleur. b. Diaphragme pour haut-parleur caractérisé en ce qu'il se compose d'un élément en forme de tronc de cône ayant une surface avant, recevant une couche de rayonnement extérieure à coefficient de résonance élevé et une couche intermédiaire entre la surface avant de l'élément en forme de tronc de cône, et la couche de rayonnement extérieure et ayant un coefficient de résonance inférieur à celui de la couche extérieure.
FR7920881A 1978-08-18 1979-08-17 Diaphragme de haut-parleur Expired FR2433880B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10000378A JPS5527702A (en) 1978-08-18 1978-08-18 Vibrator for speaker

Publications (2)

Publication Number Publication Date
FR2433880A1 true FR2433880A1 (fr) 1980-03-14
FR2433880B1 FR2433880B1 (fr) 1986-11-28

Family

ID=14262397

Family Applications (2)

Application Number Title Priority Date Filing Date
FR7920881A Expired FR2433880B1 (fr) 1978-08-18 1979-08-17 Diaphragme de haut-parleur
FR8301188A Expired FR2522240B1 (fr) 1978-08-18 1983-01-26 Diaphragme de haut-parleur

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR8301188A Expired FR2522240B1 (fr) 1978-08-18 1983-01-26 Diaphragme de haut-parleur

Country Status (7)

Country Link
US (1) US4275278A (fr)
JP (1) JPS5527702A (fr)
CA (1) CA1124654A (fr)
DE (1) DE2933425A1 (fr)
FR (2) FR2433880B1 (fr)
GB (1) GB2029163B (fr)
NL (1) NL7906310A (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2059717B (en) * 1979-09-25 1984-04-04 Victor Company Of Japan Speaker diaphragm assembly and a method of manufacturing the same
JPS57198187U (fr) * 1981-06-11 1982-12-16
JPS57208792A (en) * 1981-06-19 1982-12-21 Hitachi Ltd Diaphragm speaker packed with foamed resin
DE3306801A1 (de) * 1983-02-26 1984-09-06 Rainer J. 5000 Köln Haas Kugelfoermiger hochtonlautsprecher mit piezoelektrischern antrieb
DE3507726A1 (de) * 1985-03-05 1986-09-11 Standard Elektrik Lorenz Ag, 7000 Stuttgart Membran fuer planarlautsprecher
US4635750A (en) * 1985-06-03 1987-01-13 Sharp Kabushiki Kaisha Loudspeaker diaphragm
US4620606A (en) * 1985-06-03 1986-11-04 Sharp Kabushiki Kaisha Loudspeaker of plane diaphragm type
US4727584A (en) * 1986-02-14 1988-02-23 Velodyne Acoustics, Inc. Loudspeaker with motional feedback
US4926962A (en) * 1986-10-10 1990-05-22 Graham Gary T Decorative speaker cover
DE3722832A1 (de) * 1987-07-03 1989-01-12 Electronic Werke Deutschland Membran fuer einen lautsprecher
US4799264A (en) * 1987-09-28 1989-01-17 Plummer Jan P Speaker system
DE20005543U1 (de) * 2000-03-24 2000-06-21 Peng, Jack, Chung Li, Taoyuan Vibrationsmembranlautsprecher
JP2002078075A (ja) * 2000-08-31 2002-03-15 Pioneer Electronic Corp スピーカ用振動板
US6501844B2 (en) 2000-12-08 2002-12-31 Jl Audio, Inc. Loudspeaker and method of assembling same
US6496590B2 (en) 2000-12-08 2002-12-17 Jl Audio, Inc. Loudspeaker with improved diaphragm
GB0105980D0 (en) * 2001-03-10 2001-05-02 Harris Hynd Ltd Speaker arrangement
US20070053545A1 (en) * 2005-09-07 2007-03-08 Steff Lin Speaker
CN201078859Y (zh) * 2007-01-29 2008-06-25 深圳市兰光进出口有限公司 一种正面平整背面突出的平面实体振膜
US8243979B2 (en) * 2007-01-31 2012-08-14 Yon Shing Industrial Co., Ltd. Full-gamut single-body sound membrane that conforms to a physical property of sounding
CN107431862B (zh) * 2015-02-05 2020-12-25 伊戈声学制造有限责任公司 集成音圈和锥形组件及其制造方法
US9913042B2 (en) 2016-06-14 2018-03-06 Bose Corporation Miniature device having an acoustic diaphragm
US10499159B2 (en) 2017-05-17 2019-12-03 Bose Corporation Method of fabricating a miniature device having an acoustic diaphragm
US10448183B2 (en) 2017-07-27 2019-10-15 Bose Corporation Method of fabricating a miniature device having an acoustic diaphragm

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE17086E (en) * 1927-01-18 1928-09-18 callpobnta
US3153463A (en) * 1961-08-30 1964-10-20 Muter Company Compound loudspeaker diaphragm
GB1260116A (en) * 1968-01-30 1972-01-12 Emi Ltd Improvements relating to loudspeaker diaphragms and loudspeakers employing them
FR2300477A1 (fr) * 1975-02-10 1976-09-03 Ard Anstalt Haut-parleur
GB1518285A (en) * 1975-11-18 1978-07-19 Akroyd J Acoustic reproducers

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB513289A (en) * 1937-12-18 1939-10-09 Helmut Sell Diaphragm for receiving or reproducing sound vibrations and method for its manufacture
US2662606A (en) * 1950-01-31 1953-12-15 Rca Corp Elliptical conoidal sound reproducing diaphragm
US3351719A (en) * 1964-02-05 1967-11-07 Electronic Res Associates Inc Loudspeaker assembly
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
CH582979A5 (en) * 1975-06-13 1976-12-15 Fischer Markus Electroacoustic transducer esp. for high fidelity speaker - has layer of lightweight spheres embedded in sticky substance on diaphragm
GB1526201A (en) * 1975-09-05 1978-09-27 Strathearn Audio Ltd Loudspeaker diaphragm
JPS5414726A (en) * 1977-07-06 1979-02-03 Hitachi Ltd Dome type speaker

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE17086E (en) * 1927-01-18 1928-09-18 callpobnta
US3153463A (en) * 1961-08-30 1964-10-20 Muter Company Compound loudspeaker diaphragm
GB1260116A (en) * 1968-01-30 1972-01-12 Emi Ltd Improvements relating to loudspeaker diaphragms and loudspeakers employing them
FR2300477A1 (fr) * 1975-02-10 1976-09-03 Ard Anstalt Haut-parleur
GB1518285A (en) * 1975-11-18 1978-07-19 Akroyd J Acoustic reproducers

Also Published As

Publication number Publication date
FR2522240B1 (fr) 1986-09-19
GB2029163B (en) 1982-12-15
JPS6138678B2 (fr) 1986-08-30
DE2933425C2 (fr) 1989-07-20
US4275278A (en) 1981-06-23
JPS5527702A (en) 1980-02-28
DE2933425A1 (de) 1980-02-28
GB2029163A (en) 1980-03-12
FR2433880B1 (fr) 1986-11-28
NL7906310A (nl) 1980-02-20
FR2522240A1 (fr) 1983-08-26
CA1124654A (fr) 1982-06-01

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Legal Events

Date Code Title Description
ST Notification of lapse
AR Application made for restoration
BR Restoration of rights
ST Notification of lapse