JPH0349500A - 可動コイル電動式変換器用ダイヤフラムとそれを有する変換器 - Google Patents

可動コイル電動式変換器用ダイヤフラムとそれを有する変換器

Info

Publication number
JPH0349500A
JPH0349500A JP2122505A JP12250590A JPH0349500A JP H0349500 A JPH0349500 A JP H0349500A JP 2122505 A JP2122505 A JP 2122505A JP 12250590 A JP12250590 A JP 12250590A JP H0349500 A JPH0349500 A JP H0349500A
Authority
JP
Japan
Prior art keywords
diaphragm
thin plate
plate member
acoustic
sheet metal
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.)
Pending
Application number
JP2122505A
Other languages
English (en)
Japanese (ja)
Inventor
Mario Cesati
マリオ・チェザティ
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 JPH0349500A publication Critical patent/JPH0349500A/ja
Pending 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)
JP2122505A 1989-05-11 1990-05-11 可動コイル電動式変換器用ダイヤフラムとそれを有する変換器 Pending JPH0349500A (ja)

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
JPH0349500A true JPH0349500A (ja) 1991-03-04

Family

ID=11167283

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2122505A Pending JPH0349500A (ja) 1989-05-11 1990-05-11 可動コイル電動式変換器用ダイヤフラムとそれを有する変換器

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009290815A (ja) * 2008-06-02 2009-12-10 Hosiden Corp スピーカ

Families Citing this family (2)

* 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.

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009290815A (ja) * 2008-06-02 2009-12-10 Hosiden Corp スピーカ

Also Published As

Publication number Publication date
ES2077665T3 (es) 1995-12-01
CA2016478A1 (en) 1990-11-11
DK0397621T3 (da) 1996-02-05
DE69022474T2 (de) 1996-05-23
IT8920460A0 (it) 1989-05-11
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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