CA1029611A - Membrane de haut-parleur - Google Patents

Membrane de haut-parleur

Info

Publication number
CA1029611A
CA1029611A CA215,930A CA215930A CA1029611A CA 1029611 A CA1029611 A CA 1029611A CA 215930 A CA215930 A CA 215930A CA 1029611 A CA1029611 A CA 1029611A
Authority
CA
Canada
Prior art keywords
diaphragm
loud speaker
loud
speaker
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
CA215,930A
Other languages
English (en)
Other versions
CA215930S (en
Inventor
Kazuro Takano
Yasuo Kodera
Masakuni Hirata
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of CA1029611A publication Critical patent/CA1029611A/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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/3154—Of fluorinated addition polymer from unsaturated monomers
    • Y10T428/31544—Addition polymer is perhalogenated

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
CA215,930A 1973-12-14 1974-12-13 Membrane de haut-parleur Expired CA1029611A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14062173A JPS5419257B2 (fr) 1973-12-14 1973-12-14

Publications (1)

Publication Number Publication Date
CA1029611A true CA1029611A (fr) 1978-04-18

Family

ID=15272953

Family Applications (1)

Application Number Title Priority Date Filing Date
CA215,930A Expired CA1029611A (fr) 1973-12-14 1974-12-13 Membrane de haut-parleur

Country Status (3)

Country Link
US (1) US3946832A (fr)
JP (1) JPS5419257B2 (fr)
CA (1) CA1029611A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4071111A (en) * 1976-04-28 1978-01-31 Acoustic Fiber Sound Systems, Inc. Weatherproof loudspeaker assembly and method of making same
JPS545717A (en) * 1977-06-15 1979-01-17 Sharp Corp Production of diaphragms for speakers
JPS5443719A (en) * 1977-09-12 1979-04-06 Sharp Corp Production of speaker diaphargm
DE2941644C2 (de) * 1978-10-17 1982-11-11 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka Lautsprechermembran und Verfahren zu ihrer Herstellung
TW354866B (en) * 1994-03-31 1999-03-21 Matsushita Electric Ind Co Ltd Loudspeaker and a method for producing the same
JP2001036988A (ja) * 1999-07-21 2001-02-09 Mitsubishi Electric Corp スピーカ装置
US6724910B1 (en) 1999-10-04 2004-04-20 Harman International Industries, Incorporated Diaphragm stable through hygroscopic cycling
US6351544B1 (en) 1999-12-10 2002-02-26 Harman International Industries Incorporated Regressively hinged spider
US6944312B2 (en) * 2000-06-15 2005-09-13 Valcom, Inc. Lay-in ceiling speaker
DK1515582T3 (da) * 2003-09-11 2006-05-15 Akg Acoustics Gmbh Dynamisk elektroaukustisk omformer, navnlig lille höjtaler
KR20060111557A (ko) * 2003-12-26 2006-10-27 오지 가부시키가이샤 스피커 방수 진동판
EP1694094A1 (fr) * 2005-02-18 2006-08-23 AKG Acoustics GmbH Membrane pour convertisseur dynamique
WO2018043224A1 (fr) * 2016-09-01 2018-03-08 パナソニックＩｐマネジメント株式会社 Dispositif de haut-parleur et dispositif de corps mobile avec celui-ci monté sur celui-ci

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3811933A (en) * 1969-12-15 1974-05-21 Air Prod & Chem Oil and grease resistant paper products and process for treating cellulosic materials
US3717218A (en) * 1970-04-07 1973-02-20 Sato Hisao Loudspeaker
US3770493A (en) * 1970-08-17 1973-11-06 Gulf Research Development Co Article coated with fluorinated polymer
US3729434A (en) * 1971-06-28 1973-04-24 Michigan Chem Corp Method of producing fire retardant emulsions
US3740264A (en) * 1971-12-15 1973-06-19 Fmc Corp Fireproofing cellulose with complexes of heavy metal salts of acid phosphate esters
US3790403A (en) * 1972-01-13 1974-02-05 Du Pont Glass fabric coated with crack-free fluorocarbon resin coating and process for preparing

Also Published As

Publication number Publication date
DE2459126A1 (de) 1975-06-19
DE2459126B2 (de) 1975-12-11
JPS5419257B2 (fr) 1979-07-13
US3946832A (en) 1976-03-30
JPS5092122A (fr) 1975-07-23

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