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GB2474853B - Loudspeakers - Google Patents

Loudspeakers

Info

Publication number
GB2474853B
GB2474853B GB0918851A GB0918851A GB2474853B GB 2474853 B GB2474853 B GB 2474853B GB 0918851 A GB0918851 A GB 0918851A GB 0918851 A GB0918851 A GB 0918851A GB 2474853 B GB2474853 B GB 2474853B
Authority
GB
United Kingdom
Prior art keywords
loudspeakers
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
GB0918851A
Other versions
GB2474853A (en
GB0918851D0 (en
Inventor
Jack Oclee-Brown
Julia Davidson
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.)
GP Acoustics UK Ltd
Original Assignee
GP Acoustics UK 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 GP Acoustics UK Ltd filed Critical GP Acoustics UK Ltd
Priority to GB0918851A priority Critical patent/GB2474853B/en
Publication of GB0918851D0 publication Critical patent/GB0918851D0/en
Priority to PCT/GB2010/001979 priority patent/WO2011051659A2/en
Publication of GB2474853A publication Critical patent/GB2474853A/en
Application granted granted Critical
Publication of GB2474853B publication Critical patent/GB2474853B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges
    • 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
    • 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
    • H04R9/06—Loudspeakers
    • H04R9/063—Loudspeakers using a plurality of acoustic drivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2207/00—Details of diaphragms or cones for electromechanical transducers or their suspension covered by H04R7/00 but not provided for in H04R7/00 or in H04R2307/00
    • 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
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
GB0918851A 2009-10-27 2009-10-27 Loudspeakers Expired - Fee Related GB2474853B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0918851A GB2474853B (en) 2009-10-27 2009-10-27 Loudspeakers
PCT/GB2010/001979 WO2011051659A2 (en) 2009-10-27 2010-10-25 Loudspeakers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0918851A GB2474853B (en) 2009-10-27 2009-10-27 Loudspeakers

Publications (3)

Publication Number Publication Date
GB0918851D0 GB0918851D0 (en) 2009-12-09
GB2474853A GB2474853A (en) 2011-05-04
GB2474853B true GB2474853B (en) 2014-01-01

Family

ID=41426793

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0918851A Expired - Fee Related GB2474853B (en) 2009-10-27 2009-10-27 Loudspeakers

Country Status (2)

Country Link
GB (1) GB2474853B (en)
WO (1) WO2011051659A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2567673B (en) * 2017-10-20 2022-01-26 Gp Acoustics International Ltd Loudspeaker

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2427522A (en) * 2005-06-22 2006-12-27 Gp Acoustics Gap seal for a compound drive unit

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8810943D0 (en) 1988-05-09 1988-06-15 Kef Electronics Ltd Loudspeaker
US6647122B1 (en) * 1998-09-28 2003-11-11 Pioneer Electronics Technology, Inc. Loudspeaker drive unit
CA2352732A1 (en) * 2000-07-11 2002-01-11 Philip Jeffrey Anthony Compound loudspeaker drive unit having a magnet system
GB2377849A (en) 2001-07-21 2003-01-22 Kh Technology Corp Loudspeaker drive units with smooth transition to surround
GB2426884B (en) * 2005-03-02 2008-05-28 Kh Technology Corp Electro-acoustic transducer
GB2423908B (en) 2005-03-02 2008-04-02 Kh Technology Corp Loudspeaker
EP2258117B1 (en) 2008-03-05 2019-10-09 Genelec OY Nested compound loudspeaker drive unit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2427522A (en) * 2005-06-22 2006-12-27 Gp Acoustics Gap seal for a compound drive unit
WO2006136816A1 (en) * 2005-06-22 2006-12-28 Gp Acoustics (Uk) Limited Compound loudspeaker

Also Published As

Publication number Publication date
GB2474853A (en) 2011-05-04
WO2011051659A3 (en) 2012-11-08
WO2011051659A2 (en) 2011-05-05
GB0918851D0 (en) 2009-12-09

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20191027