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GB2358545B - Loudspeaker - Google Patents

Loudspeaker

Info

Publication number
GB2358545B
GB2358545B GB0026380A GB0026380A GB2358545B GB 2358545 B GB2358545 B GB 2358545B GB 0026380 A GB0026380 A GB 0026380A GB 0026380 A GB0026380 A GB 0026380A GB 2358545 B GB2358545 B GB 2358545B
Authority
GB
United Kingdom
Prior art keywords
loudspeaker
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.)
Expired - Fee Related
Application number
GB0026380A
Other versions
GB2358545A8 (en
GB2358545A (en
GB0026380D0 (en
Inventor
Nicholas Pocock
Simon Pettman
Stephen Scaife
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.)
Goodmans Loudspeakers Ltd
Original Assignee
Goodmans Loudspeakers 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 Goodmans Loudspeakers Ltd filed Critical Goodmans Loudspeakers Ltd
Publication of GB0026380D0 publication Critical patent/GB0026380D0/en
Publication of GB2358545A publication Critical patent/GB2358545A/en
Publication of GB2358545A8 publication Critical patent/GB2358545A8/en
Application granted granted Critical
Publication of GB2358545B publication Critical patent/GB2358545B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
GB0026380A 1999-10-28 2000-10-27 Loudspeaker Expired - Fee Related GB2358545B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9925595.2A GB9925595D0 (en) 1999-10-28 1999-10-28 Loudspeaker

Publications (4)

Publication Number Publication Date
GB0026380D0 GB0026380D0 (en) 2000-12-13
GB2358545A GB2358545A (en) 2001-07-25
GB2358545A8 GB2358545A8 (en) 2002-02-01
GB2358545B true GB2358545B (en) 2004-04-14

Family

ID=10863597

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9925595.2A Ceased GB9925595D0 (en) 1999-10-28 1999-10-28 Loudspeaker
GB0026380A Expired - Fee Related GB2358545B (en) 1999-10-28 2000-10-27 Loudspeaker

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9925595.2A Ceased GB9925595D0 (en) 1999-10-28 1999-10-28 Loudspeaker

Country Status (1)

Country Link
GB (2) GB9925595D0 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2520179A1 (en) * 2003-04-04 2004-10-14 Audio Products International Corp. Outdoor loudspeaker with passive radiator
JP2005252922A (en) 2004-03-08 2005-09-15 Matsushita Electric Ind Co Ltd Speaker and manufacturing method thereof
US9763012B2 (en) 2011-03-30 2017-09-12 Bose Corporation Monofilament fabric acoustic suspension elements
WO2012155725A1 (en) * 2011-05-19 2012-11-22 Huang Xinmin Ultrathin electromagnetic vibration device and manufacture method thereof
TW201410039A (en) * 2012-08-27 2014-03-01 Gen Infinity Co Ltd Improved loudspeaker structure

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5623097A (en) * 1979-08-01 1981-03-04 Matsushita Electric Ind Co Ltd Diaphragm for speaker and its production
JPS5843699A (en) * 1981-09-09 1983-03-14 Matsushita Electric Ind Co Ltd Speaker diaphragm and its manufacturing method
US4395597A (en) * 1979-09-25 1983-07-26 Victor Company Of Japan, Limited Speaker diaphragm assembly and a method of manufacturing the same
WO1998002016A2 (en) * 1996-07-09 1998-01-15 B & W Loudspeakers Limited Loudspeaker drive unit
US5793002A (en) * 1994-11-30 1998-08-11 Pioneer Electronic Corporation Loudspeaker vibrating diaphragm and methods for its production
EP0944292A2 (en) * 1998-03-19 1999-09-22 Pioneer Electronic Corporation Loadspeaker diaphram of an injection foam molded body
DE10010491A1 (en) * 1999-03-04 2000-09-07 Pioneer Corp Injected foamed resin structure forming loudspeaker cone especially, comprises foam sandwiched by thin, non-foamed resin layers, with further single, unfoamed layer, produced in single machine and operation

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5623097A (en) * 1979-08-01 1981-03-04 Matsushita Electric Ind Co Ltd Diaphragm for speaker and its production
US4395597A (en) * 1979-09-25 1983-07-26 Victor Company Of Japan, Limited Speaker diaphragm assembly and a method of manufacturing the same
JPS5843699A (en) * 1981-09-09 1983-03-14 Matsushita Electric Ind Co Ltd Speaker diaphragm and its manufacturing method
US5793002A (en) * 1994-11-30 1998-08-11 Pioneer Electronic Corporation Loudspeaker vibrating diaphragm and methods for its production
WO1998002016A2 (en) * 1996-07-09 1998-01-15 B & W Loudspeakers Limited Loudspeaker drive unit
EP0944292A2 (en) * 1998-03-19 1999-09-22 Pioneer Electronic Corporation Loadspeaker diaphram of an injection foam molded body
DE10010491A1 (en) * 1999-03-04 2000-09-07 Pioneer Corp Injected foamed resin structure forming loudspeaker cone especially, comprises foam sandwiched by thin, non-foamed resin layers, with further single, unfoamed layer, produced in single machine and operation

Also Published As

Publication number Publication date
GB9925595D0 (en) 1999-12-29
GB2358545A8 (en) 2002-02-01
GB2358545A (en) 2001-07-25
GB0026380D0 (en) 2000-12-13

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20161027