CA2016478A1 - Movable-coil electrodynamic transducer diaphragm - Google Patents

Movable-coil electrodynamic transducer diaphragm

Info

Publication number
CA2016478A1
CA2016478A1 CA002016478A CA2016478A CA2016478A1 CA 2016478 A1 CA2016478 A1 CA 2016478A1 CA 002016478 A CA002016478 A CA 002016478A CA 2016478 A CA2016478 A CA 2016478A CA 2016478 A1 CA2016478 A1 CA 2016478A1
Authority
CA
Canada
Prior art keywords
diaphgram
acoustical
blade member
heat
movable
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.)
Abandoned
Application number
CA002016478A
Other languages
English (en)
French (fr)
Inventor
Mario Cesati
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.)
Outline SNC di Noselli G and C
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 CA2016478A1 publication Critical patent/CA2016478A1/en
Abandoned 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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/022—Cooling arrangements

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)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
CA002016478A 1989-05-11 1990-05-10 Movable-coil electrodynamic transducer diaphragm Abandoned CA2016478A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT8920460A IT1229706B (it) 1989-05-11 1989-05-11 Diaframma per trasduttore elettroacustico, del tipo elettrodinamico a bobina mobile, per la conversione di segnali elettrici in suono e per la diffusione dello stesso
IT20460A/89 1989-05-11

Publications (1)

Publication Number Publication Date
CA2016478A1 true CA2016478A1 (en) 1990-11-11

Family

ID=11167283

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002016478A Abandoned CA2016478A1 (en) 1989-05-11 1990-05-10 Movable-coil electrodynamic transducer diaphragm

Country Status (7)

Country Link
EP (1) EP0397621B1 (it)
JP (1) JPH0349500A (it)
CA (1) CA2016478A1 (it)
DE (1) DE69022474T2 (it)
DK (1) DK0397621T3 (it)
ES (1) ES2077665T3 (it)
IT (1) IT1229706B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000013463A1 (en) * 1998-08-31 2000-03-09 Cytec Technology Corp. Pitch carbon composite components for loudspeakers
ITBS20060008A1 (it) * 2006-01-18 2007-07-19 Outline Di Noselli G & C S N C Rifasatore regolabileper driver a compressione ed altoparlanti a cupola a radiazione diretta.
JP5049883B2 (ja) * 2008-06-02 2012-10-17 ホシデン株式会社 スピーカ

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE744830C (de) * 1940-07-24 1944-11-21 Klangfilm G M B H Membran fuer Druckkammerlautsprecher
US2392143A (en) * 1942-11-30 1946-01-01 Rca Corp Loud-speaker
DE2110466B1 (de) * 1971-03-04 1971-11-18 Standard Elek K Lorenz Ag Hochtonlautsprecher
US3895671A (en) * 1972-11-15 1975-07-22 Nippon Musical Instruments Mfg Method of manufacturing a thin sheet of beryllium or an alloy thereof
US3991286A (en) * 1975-06-02 1976-11-09 Altec Corporation Heat dissipating device for loudspeaker voice coil
JPS5830297A (ja) * 1981-08-17 1983-02-22 Matsushita Electric Ind Co Ltd ド−ム型スピ−カ

Also Published As

Publication number Publication date
ES2077665T3 (es) 1995-12-01
DK0397621T3 (da) 1996-02-05
DE69022474T2 (de) 1996-05-23
IT8920460A0 (it) 1989-05-11
JPH0349500A (ja) 1991-03-04
IT1229706B (it) 1991-09-07
EP0397621B1 (en) 1995-09-20
DE69022474D1 (de) 1995-10-26
EP0397621A2 (en) 1990-11-14
EP0397621A3 (en) 1991-08-28

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Legal Events

Date Code Title Description
FZDE Discontinued