EP0822732A3 - Loud Speaker - Google Patents

Loud Speaker Download PDF

Info

Publication number
EP0822732A3
EP0822732A3 EP97305466A EP97305466A EP0822732A3 EP 0822732 A3 EP0822732 A3 EP 0822732A3 EP 97305466 A EP97305466 A EP 97305466A EP 97305466 A EP97305466 A EP 97305466A EP 0822732 A3 EP0822732 A3 EP 0822732A3
Authority
EP
European Patent Office
Prior art keywords
loud speaker
housing
end cover
sound
foresaid
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
EP97305466A
Other languages
German (de)
French (fr)
Other versions
EP0822732A2 (en
EP0822732B1 (en
Inventor
Philip Manufacturing Electrical Oates
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.)
Eaton MEDC Ltd
Original Assignee
MEDC Ltd
Manufacturing Electrical Design Consultants 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10797375&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0822732(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by MEDC Ltd, Manufacturing Electrical Design Consultants Ltd filed Critical MEDC Ltd
Publication of EP0822732A2 publication Critical patent/EP0822732A2/en
Publication of EP0822732A3 publication Critical patent/EP0822732A3/en
Application granted granted Critical
Publication of EP0822732B1 publication Critical patent/EP0822732B1/en
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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

A loud speaker which comprises a main section 20 with an end cover member 22 and sound dispersion means 18 at the end remote from the end cover forms an enclosure for sound emitting means and the driver foresaid means which are enclosed within the housing, the housing being formed from a tough plastics material preferably a glass reinforced polyester.
EP19970305466 1996-07-23 1997-07-22 Loud Speaker Expired - Lifetime EP0822732B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9615455 1996-07-23
GBGB9615455.4A GB9615455D0 (en) 1996-07-23 1996-07-23 Loud speaker

Publications (3)

Publication Number Publication Date
EP0822732A2 EP0822732A2 (en) 1998-02-04
EP0822732A3 true EP0822732A3 (en) 2001-10-24
EP0822732B1 EP0822732B1 (en) 2004-02-25

Family

ID=10797375

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19970305466 Expired - Lifetime EP0822732B1 (en) 1996-07-23 1997-07-22 Loud Speaker

Country Status (4)

Country Link
EP (1) EP0822732B1 (en)
DE (1) DE69727735T2 (en)
ES (1) ES2216110T3 (en)
GB (1) GB9615455D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7938223B2 (en) 2008-05-21 2011-05-10 Cooper Technologies Company Sintered elements and associated systems
GB2461867B (en) * 2008-07-11 2010-09-22 Cooper Medc Ltd Speaker assembly
US9886832B2 (en) 2015-03-20 2018-02-06 Federal Signal Corporation Warning system devices

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2930069A1 (en) * 1979-07-25 1981-02-05 Deutsche Forsch Luft Raumfahrt Loudspeaker mounting - with casing and diaphragm cage made of specified fibre reinforced plastic
DE3312318A1 (en) * 1983-04-06 1984-10-11 Neumann Elektronik GmbH, 4330 Mülheim Explosion-proof electro-acoustic transducer
DE3347158A1 (en) * 1983-12-27 1985-07-04 Seidler, Wolfgang, 4600 Dortmund Loudspeaker box
EP0555951A1 (en) * 1992-02-12 1993-08-18 EAST ANGLIAN ELECTRONICS Ltd. Loudspeakers

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2930069A1 (en) * 1979-07-25 1981-02-05 Deutsche Forsch Luft Raumfahrt Loudspeaker mounting - with casing and diaphragm cage made of specified fibre reinforced plastic
DE3312318A1 (en) * 1983-04-06 1984-10-11 Neumann Elektronik GmbH, 4330 Mülheim Explosion-proof electro-acoustic transducer
DE3347158A1 (en) * 1983-12-27 1985-07-04 Seidler, Wolfgang, 4600 Dortmund Loudspeaker box
EP0555951A1 (en) * 1992-02-12 1993-08-18 EAST ANGLIAN ELECTRONICS Ltd. Loudspeakers

Also Published As

Publication number Publication date
GB9615455D0 (en) 1996-09-04
DE69727735T2 (en) 2005-01-05
EP0822732A2 (en) 1998-02-04
ES2216110T3 (en) 2004-10-16
EP0822732B1 (en) 2004-02-25
DE69727735D1 (en) 2004-04-01

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