GB2392044B - Loudspeaker unit and assembly - Google Patents

Loudspeaker unit and assembly

Info

Publication number
GB2392044B
GB2392044B GB0319298A GB0319298A GB2392044B GB 2392044 B GB2392044 B GB 2392044B GB 0319298 A GB0319298 A GB 0319298A GB 0319298 A GB0319298 A GB 0319298A GB 2392044 B GB2392044 B GB 2392044B
Authority
GB
United Kingdom
Prior art keywords
assembly
loudspeaker unit
loudspeaker
unit
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
GB0319298A
Other versions
GB2392044A (en
GB0319298D0 (en
Inventor
Stephen Halsall
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.)
K H TECHNOLOGY CORP
Original Assignee
K H TECHNOLOGY CORP
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
Priority claimed from GBGB0219244.1A external-priority patent/GB0219244D0/en
Priority claimed from GB0317446A external-priority patent/GB0317446D0/en
Application filed by K H TECHNOLOGY CORP filed Critical K H TECHNOLOGY CORP
Publication of GB0319298D0 publication Critical patent/GB0319298D0/en
Publication of GB2392044A publication Critical patent/GB2392044A/en
Application granted granted Critical
Publication of GB2392044B publication Critical patent/GB2392044B/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
    • 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 
    • H04R1/26—Spatial arrangements of separate transducers responsive 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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • H04R7/045—Plane diaphragms using the distributed mode principle, i.e. whereby the acoustic radiation is emanated from uniformly distributed free bending wave vibration induced in a stiff panel and not from pistonic motion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2205/00—Details of stereophonic arrangements covered by H04R5/00 but not provided for in any of its subgroups
    • H04R2205/022—Plurality of transducers corresponding to a plurality of sound channels in each earpiece of headphones or in a single enclosure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2440/00—Bending wave transducers covered by H04R, not provided for in its groups
    • H04R2440/07—Loudspeakers using bending wave resonance and pistonic motion to generate sound

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Multimedia (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
GB0319298A 2002-08-17 2003-08-18 Loudspeaker unit and assembly Expired - Fee Related GB2392044B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0219244.1A GB0219244D0 (en) 2002-08-17 2002-08-17 Loudspeaker system
GB0317446A GB0317446D0 (en) 2003-07-25 2003-07-25 Loudspeaker unit and assembly

Publications (3)

Publication Number Publication Date
GB0319298D0 GB0319298D0 (en) 2003-09-17
GB2392044A GB2392044A (en) 2004-02-18
GB2392044B true GB2392044B (en) 2005-12-28

Family

ID=28456041

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0319298A Expired - Fee Related GB2392044B (en) 2002-08-17 2003-08-18 Loudspeaker unit and assembly

Country Status (2)

Country Link
EP (1) EP1392080A3 (en)
GB (1) GB2392044B (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01109898A (en) * 1987-10-22 1989-04-26 Matsushita Electric Ind Co Ltd Remote controller position detector for stereo
EP0568716A1 (en) * 1990-11-14 1993-11-10 Dieter Lang Loudspeaker system
DE20002930U1 (en) * 2000-02-20 2000-05-18 Theis, Karl-Heinz, 55270 Essenheim Horn speaker
WO2000067524A2 (en) * 1999-04-29 2000-11-09 New Transducers Limited Bending wave loudspeakers
WO2001039541A2 (en) * 1999-11-22 2001-05-31 Harman Audio Electronic Systems Gmbh Flat loudspeaker system for bass reproduction
GB2368484A (en) * 2000-10-25 2002-05-01 B & W Loudspeakers Distributed mode loudspeaker including pistonic diaphragm
US20030015086A1 (en) * 2001-06-22 2003-01-23 Shelley Katz Electronic piano
GB2387500A (en) * 2003-01-22 2003-10-15 Shelley Katz Sound reproduction using both conventional loudspeakers and bending-wave loudspeakers

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9811098D0 (en) * 1998-05-23 1998-07-22 New Transducers Ltd Panel-form loudspeaker
GB9827537D0 (en) * 1998-12-15 1999-02-10 Wharfedale International Limit Loudspeaker

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01109898A (en) * 1987-10-22 1989-04-26 Matsushita Electric Ind Co Ltd Remote controller position detector for stereo
EP0568716A1 (en) * 1990-11-14 1993-11-10 Dieter Lang Loudspeaker system
WO2000067524A2 (en) * 1999-04-29 2000-11-09 New Transducers Limited Bending wave loudspeakers
WO2001039541A2 (en) * 1999-11-22 2001-05-31 Harman Audio Electronic Systems Gmbh Flat loudspeaker system for bass reproduction
DE20002930U1 (en) * 2000-02-20 2000-05-18 Theis, Karl-Heinz, 55270 Essenheim Horn speaker
GB2368484A (en) * 2000-10-25 2002-05-01 B & W Loudspeakers Distributed mode loudspeaker including pistonic diaphragm
US20030015086A1 (en) * 2001-06-22 2003-01-23 Shelley Katz Electronic piano
GB2387500A (en) * 2003-01-22 2003-10-15 Shelley Katz Sound reproduction using both conventional loudspeakers and bending-wave loudspeakers

Also Published As

Publication number Publication date
EP1392080A3 (en) 2004-12-22
GB2392044A (en) 2004-02-18
EP1392080A2 (en) 2004-02-25
GB0319298D0 (en) 2003-09-17

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Legal Events

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

Effective date: 20090818