EP0397621A3 - Transducteur électrodynamique à bobine mobile avec un membrane - Google Patents

Transducteur électrodynamique à bobine mobile avec un membrane Download PDF

Info

Publication number
EP0397621A3
EP0397621A3 EP19900830200 EP90830200A EP0397621A3 EP 0397621 A3 EP0397621 A3 EP 0397621A3 EP 19900830200 EP19900830200 EP 19900830200 EP 90830200 A EP90830200 A EP 90830200A EP 0397621 A3 EP0397621 A3 EP 0397621A3
Authority
EP
European Patent Office
Prior art keywords
acoustical
blade
metal
movable
electrical signals
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
EP19900830200
Other languages
German (de)
English (en)
Other versions
EP0397621B1 (fr
EP0397621A2 (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& C
Outline SNC di Noselli G&C
Original Assignee
Outline SNC Di Noselli G& C
Outline SNC di Noselli G&C
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 Outline SNC Di Noselli G& C, Outline SNC di Noselli G&C filed Critical Outline SNC Di Noselli G& C
Publication of EP0397621A2 publication Critical patent/EP0397621A2/fr
Publication of EP0397621A3 publication Critical patent/EP0397621A3/fr
Application granted granted Critical
Publication of EP0397621B1 publication Critical patent/EP0397621B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • H04R9/022—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)
EP90830200A 1989-05-11 1990-05-08 Transducteur électrodynamique à bobine mobile avec un membrane Expired - Lifetime EP0397621B1 (fr)

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
IT2046089 1989-05-11

Publications (3)

Publication Number Publication Date
EP0397621A2 EP0397621A2 (fr) 1990-11-14
EP0397621A3 true EP0397621A3 (fr) 1991-08-28
EP0397621B1 EP0397621B1 (fr) 1995-09-20

Family

ID=11167283

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90830200A Expired - Lifetime EP0397621B1 (fr) 1989-05-11 1990-05-08 Transducteur électrodynamique à bobine mobile avec un membrane

Country Status (7)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU5346399A (en) * 1998-08-31 2000-03-21 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

Citations (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
DE2357425A1 (de) * 1972-11-15 1974-05-16 Nippon Musical Instruments Mfg Verfahren zur herstellung einer duennen schicht aus beryllium oder dessen legierungen
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

Patent Citations (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
DE2357425A1 (de) * 1972-11-15 1974-05-16 Nippon Musical Instruments Mfg Verfahren zur herstellung einer duennen schicht aus beryllium oder dessen legierungen
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
AES - JOURNAL OF THE AUDIO ENGINEERING SOCIETY:AUDIO/ACOUSTICS/APPLICATIONS, vol. 35, no. 10, October 1987, pages 778-791, New York, NY, US; C.A. HENRICKSEN: "Heat-transfer mechanisms in loudspeakers: Analysis, measurement, and design" *

Also Published As

Publication number Publication date
JPH0349500A (ja) 1991-03-04
IT8920460A0 (it) 1989-05-11
EP0397621B1 (fr) 1995-09-20
CA2016478A1 (fr) 1990-11-11
IT1229706B (it) 1991-09-07
DK0397621T3 (da) 1996-02-05
EP0397621A2 (fr) 1990-11-14
DE69022474T2 (de) 1996-05-23
DE69022474D1 (de) 1995-10-26
ES2077665T3 (es) 1995-12-01

Similar Documents

Publication Publication Date Title
KR100586140B1 (ko) 골도스피커
US2190685A (en) Electromagnetic vibratory interrupter
CA2107829A1 (fr) Prothese auditive a conduction osseuse
US6222931B1 (en) High power acoustical transducer
EP0397621A3 (fr) Transducteur électrodynamique à bobine mobile avec un membrane
US5537481A (en) Horn driver
US4151378A (en) Electrostatic microphone with damping to improve omnidirectionality, flatten frequency response, reduce wind noise
US4796725A (en) Electrostatic transducer
US2078845A (en) Safety razor and vibratory motor therefor
US2513940A (en) Vibrator support
GB2359213A (en) Elliptical dome loudspeaker
JP4237424B2 (ja) 電気音響変換器
US2717047A (en) Wide-band loudspeaker
US2144458A (en) Bone conduction audiphone
US2582287A (en) Electromagnetic earphone
JPH10145891A (ja) 電気・音響変換器
CN219938524U (zh) 一种弹片、骨传导振动发声装置及可穿戴设备
EP1096830A2 (fr) Transducteur acoustique haute fréquence
US4358642A (en) Electro-magnetic type electric acoustic transducer
CN217656739U (zh) 一种受话器簧片及受话器
CN219592618U (zh) 一种骨传导喇叭及骨传导耳机
CN219477822U (zh) 振动马达
CN216057488U (zh) 骨传导扬声器
RU2088045C1 (ru) Электроакустический преобразователь
JPS6129297A (ja) 電気振動変換器

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): CH DE DK ES FR GB LI NL SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): CH DE DK ES FR GB LI NL SE

17P Request for examination filed

Effective date: 19911218

17Q First examination report despatched

Effective date: 19930625

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): CH DE DK ES FR GB LI NL SE

REF Corresponds to:

Ref document number: 69022474

Country of ref document: DE

Date of ref document: 19951026

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2077665

Country of ref document: ES

Kind code of ref document: T3

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Effective date: 19951220

ET Fr: translation filed
REG Reference to a national code

Ref country code: DK

Ref legal event code: T3

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 19970530

Year of fee payment: 8

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19980531

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19980531

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20020524

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DK

Payment date: 20020527

Year of fee payment: 13

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20031201

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20031202

REG Reference to a national code

Ref country code: DK

Ref legal event code: EBP

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20060413

Year of fee payment: 17

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20070404

Year of fee payment: 18

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20070412

Year of fee payment: 18

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20071201

NLV4 Nl: lapsed or anulled due to non-payment of the annual fee

Effective date: 20071201

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20070531

Year of fee payment: 18

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20080508

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20090119

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080602

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080508

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20080509

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080509