EP0065882A3 - Membranes en forme de calotte pour haut-parleurs - Google Patents

Membranes en forme de calotte pour haut-parleurs Download PDF

Info

Publication number
EP0065882A3
EP0065882A3 EP82302711A EP82302711A EP0065882A3 EP 0065882 A3 EP0065882 A3 EP 0065882A3 EP 82302711 A EP82302711 A EP 82302711A EP 82302711 A EP82302711 A EP 82302711A EP 0065882 A3 EP0065882 A3 EP 0065882A3
Authority
EP
European Patent Office
Prior art keywords
metal
layers
loudspeakers
alloy
radiating
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.)
Withdrawn
Application number
EP82302711A
Other languages
German (de)
English (en)
Other versions
EP0065882A2 (fr
Inventor
Boaz Eliele
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.)
CELESTION INTERNATIONAL Ltd
Original Assignee
CELESTION INTERNATIONAL 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 CELESTION INTERNATIONAL Ltd filed Critical CELESTION INTERNATIONAL Ltd
Publication of EP0065882A2 publication Critical patent/EP0065882A2/fr
Publication of EP0065882A3 publication Critical patent/EP0065882A3/fr
Withdrawn legal-status Critical Current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
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/127—Non-planar diaphragms or cones dome-shaped

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Laminated Bodies (AREA)
EP82302711A 1981-05-26 1982-05-26 Membranes en forme de calotte pour haut-parleurs Withdrawn EP0065882A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8116062 1981-05-26
GB8116062 1981-05-26

Publications (2)

Publication Number Publication Date
EP0065882A2 EP0065882A2 (fr) 1982-12-01
EP0065882A3 true EP0065882A3 (fr) 1983-12-21

Family

ID=10522061

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82302711A Withdrawn EP0065882A3 (fr) 1981-05-26 1982-05-26 Membranes en forme de calotte pour haut-parleurs

Country Status (2)

Country Link
EP (1) EP0065882A3 (fr)
GB (1) GB2099660A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2155731A (en) * 1983-11-01 1985-09-25 John David Gregson Ultrasonic transducers
GB8603645D0 (en) * 1986-02-14 1986-03-19 Celestion Int Ltd Loudspeakers
DE68921924T3 (de) † 1988-06-02 2002-04-11 Boaz Elieli Elektroakustischer Wandler und Lautsprecher.
JP3021058B2 (ja) * 1991-01-14 2000-03-15 パイオニア株式会社 ドームスピーカ
US5259036A (en) * 1991-07-22 1993-11-02 Shure Brothers, Inc. Diaphragm for dynamic microphones and methods of manufacturing the same
JPH09327087A (ja) * 1996-06-06 1997-12-16 Matsushita Electric Ind Co Ltd ダブルコーンスピーカ
GB2359213B (en) * 1999-10-29 2004-05-19 Kef Audio High frequency transducer
JP2006295245A (ja) * 2005-04-05 2006-10-26 Sony Corp 音響振動板
US7529382B2 (en) * 2006-07-17 2009-05-05 Burton A. Babb High fidelity loudspeaker
CN111031415A (zh) * 2019-11-22 2020-04-17 歌尔股份有限公司 扬声器模组及电子装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR653019A (fr) * 1928-04-18 1929-03-15 Membrane acoustique
US3991286A (en) * 1975-06-02 1976-11-09 Altec Corporation Heat dissipating device for loudspeaker voice coil
US4135601A (en) * 1975-06-24 1979-01-23 Pioneer Electronic Corporation Boron coated diaphragm for use in a loud speaker
US4140203A (en) * 1976-05-17 1979-02-20 Matsushita Electric Industrial Co., Ltd. Acoustic diaphragm with polyurethane elastomer coating

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR653019A (fr) * 1928-04-18 1929-03-15 Membrane acoustique
US3991286A (en) * 1975-06-02 1976-11-09 Altec Corporation Heat dissipating device for loudspeaker voice coil
US4135601A (en) * 1975-06-24 1979-01-23 Pioneer Electronic Corporation Boron coated diaphragm for use in a loud speaker
US4140203A (en) * 1976-05-17 1979-02-20 Matsushita Electric Industrial Co., Ltd. Acoustic diaphragm with polyurethane elastomer coating

Also Published As

Publication number Publication date
GB2099660A (en) 1982-12-08
EP0065882A2 (fr) 1982-12-01

Similar Documents

Publication Publication Date Title
US4264789A (en) Voice coil assembly for a speaker
EP0065882A3 (fr) Membranes en forme de calotte pour haut-parleurs
EP0132849A3 (fr) Substrats à grilles de connexion métalliques revêtues
ES454530A1 (es) Un disipador de calor mejorado.
US3295089A (en) Semiconductor device
JPS57130441A (en) Integrated circuit device
CA1208696A (fr) Transformateur a redresseur
JPS53128687A (en) Vibration-damping and sound insulating board having excellent spot welding property
JPS55127044A (en) Electric circuit substrate and its manufacture
DE59001414D1 (de) Verschleiss-scheiben fuer kraeuselmaschinen.
JPH0420269B2 (fr)
GB2034153A (en) A voice coil assembly for a speaker
JPS6114102Y2 (fr)
ES8402676A1 (es) Un dispositivo semiconductor moldeado en vidrio.
JPS5685842A (en) Semiconductor device having heat dissipating fin
JPH0211029B2 (fr)
JPS56124253A (en) Compound terminal for integrated circuit
GB917416A (en) Improvements in and relating to methods of securing together parts of ceramic material
JPS5490079A (en) Double electrode
JPS5598835A (en) Pressure-welded semiconductor device
JPS55127027A (en) Semiconductor device
JPS5394885A (en) Mount structure for semiconductor laser element
JPS56114137A (en) Diamond stylus for reproducing information
JPS5318957A (en) Electrode structure of semiconductor device
JPS63186878A (ja) 熱伝導用シ−ト

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

Designated state(s): BE DE FR IT NL SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Designated state(s): BE DE FR IT NL SE

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

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19840822

RIN1 Information on inventor provided before grant (corrected)

Inventor name: ELIELE, BOAZ