FR2471114B1 - - Google Patents

Info

Publication number
FR2471114B1
FR2471114B1 FR7929232A FR7929232A FR2471114B1 FR 2471114 B1 FR2471114 B1 FR 2471114B1 FR 7929232 A FR7929232 A FR 7929232A FR 7929232 A FR7929232 A FR 7929232A FR 2471114 B1 FR2471114 B1 FR 2471114B1
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
FR7929232A
Other languages
French (fr)
Other versions
FR2471114A1 (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.)
SIARE
Original Assignee
SIARE
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 SIARE filed Critical SIARE
Priority to FR7929232A priority Critical patent/FR2471114A1/fr
Priority to US06/156,628 priority patent/US4320264A/en
Publication of FR2471114A1 publication Critical patent/FR2471114A1/fr
Application granted granted Critical
Publication of FR2471114B1 publication Critical patent/FR2471114B1/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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • 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

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)
FR7929232A 1979-11-28 1979-11-28 Haut-parleur Granted FR2471114A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7929232A FR2471114A1 (fr) 1979-11-28 1979-11-28 Haut-parleur
US06/156,628 US4320264A (en) 1979-11-28 1980-06-05 Loudspeaker with a heat resistant two-part diaphragm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7929232A FR2471114A1 (fr) 1979-11-28 1979-11-28 Haut-parleur

Publications (2)

Publication Number Publication Date
FR2471114A1 FR2471114A1 (fr) 1981-06-12
FR2471114B1 true FR2471114B1 (Direct) 1982-06-18

Family

ID=9232161

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7929232A Granted FR2471114A1 (fr) 1979-11-28 1979-11-28 Haut-parleur

Country Status (2)

Country Link
US (1) US4320264A (Direct)
FR (1) FR2471114A1 (Direct)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5249237A (en) * 1991-05-31 1993-09-28 Linaeum Corporation Audio transducer improvements
JPH09327087A (ja) * 1996-06-06 1997-12-16 Matsushita Electric Ind Co Ltd ダブルコーンスピーカ
JP3930126B2 (ja) * 1997-11-14 2007-06-13 松下電器産業株式会社 スピーカ
JP4661694B2 (ja) * 2006-06-05 2011-03-30 日産自動車株式会社 吸気増音装置
JP4661695B2 (ja) * 2006-06-05 2011-03-30 日産自動車株式会社 吸気音強調装置
CN102843636A (zh) * 2012-08-28 2012-12-26 深圳Tcl新技术有限公司 一种扬声器
FI20175387A1 (en) 2017-05-03 2018-11-04 Genelec Oy Film assembly, converter and manufacturing method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2004735A (en) * 1928-07-27 1935-06-11 Rca Corp Loud speaker
US1969256A (en) * 1930-06-13 1934-08-07 Clark George Frederick Acoustic instrument
US1916223A (en) * 1932-02-12 1933-07-04 Bell Telephone Labor Inc Sound translating device
GB451178A (en) * 1935-01-29 1936-07-29 Guy Birkbeck Improvements in loud speakers
US3906171A (en) * 1974-01-02 1975-09-16 Rank Organisation Ltd Transducers

Also Published As

Publication number Publication date
US4320264A (en) 1982-03-16
FR2471114A1 (fr) 1981-06-12

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Legal Events

Date Code Title Description
ST Notification of lapse