GB2392043B - Combination loudspeaker unit - Google Patents

Combination loudspeaker unit

Info

Publication number
GB2392043B
GB2392043B GB0319297A GB0319297A GB2392043B GB 2392043 B GB2392043 B GB 2392043B GB 0319297 A GB0319297 A GB 0319297A GB 0319297 A GB0319297 A GB 0319297A GB 2392043 B GB2392043 B GB 2392043B
Authority
GB
United Kingdom
Prior art keywords
loudspeaker
diaphragm
resonant panel
functioning
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.)
Revoked
Application number
GB0319297A
Other languages
English (en)
Other versions
GB2392043A (en
GB0319297D0 (en
Inventor
Mark Dodd
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 GBGB0219245.8A external-priority patent/GB0219245D0/en
Priority claimed from GB0317445A external-priority patent/GB0317445D0/en
Application filed by K H TECHNOLOGY CORP filed Critical K H TECHNOLOGY CORP
Publication of GB0319297D0 publication Critical patent/GB0319297D0/en
Publication of GB2392043A publication Critical patent/GB2392043A/en
Application granted granted Critical
Publication of GB2392043B publication Critical patent/GB2392043B/en
Anticipated expiration legal-status Critical
Revoked 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 
    • H04R1/24—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
    • 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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/323—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only for loudspeakers
    • 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
    • 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

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)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Stereophonic Arrangements (AREA)
  • Pinball Game Machines (AREA)
GB0319297A 2002-08-17 2003-08-18 Combination loudspeaker unit Revoked GB2392043B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0219245.8A GB0219245D0 (en) 2002-08-17 2002-08-17 Combination loudspeaker unit
GB0317445A GB0317445D0 (en) 2003-07-25 2003-07-25 Combination loudspeaker unit

Publications (3)

Publication Number Publication Date
GB0319297D0 GB0319297D0 (en) 2003-09-17
GB2392043A GB2392043A (en) 2004-02-18
GB2392043B true GB2392043B (en) 2006-03-22

Family

ID=28456042

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0319297A Revoked GB2392043B (en) 2002-08-17 2003-08-18 Combination loudspeaker unit

Country Status (7)

Country Link
EP (1) EP1408717B1 (es)
AT (1) ATE319279T1 (es)
DE (1) DE60303748T2 (es)
DK (1) DK1408717T3 (es)
ES (1) ES2260580T3 (es)
GB (1) GB2392043B (es)
PT (1) PT1408717E (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2007217192B2 (en) * 2006-02-22 2011-07-14 Airsound Llp Apparatus and method for reproduction of stereo sound

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2425675B (en) * 2005-04-28 2008-07-23 Gp Acoustics Audio system
EP1814354B1 (en) * 2006-01-30 2017-04-26 Sony Corporation Speaker
GB0723920D0 (en) 2007-12-06 2008-01-16 Airsound Llp An improved apparatus and method for reproduction of stereo sound
DE102008016703A1 (de) 2008-03-31 2009-10-01 Joachim Gerhard Gekreuzte Schallwand

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20002930U1 (de) * 2000-02-20 2000-05-18 Theis Karl Heinz Hornlautsprecher
WO2000067524A2 (en) * 1999-04-29 2000-11-09 New Transducers Limited Bending wave loudspeakers
WO2001039541A2 (de) * 1999-11-22 2001-05-31 Harman Audio Electronic Systems Gmbh Flachlautsprecheranordnung für tieftonwiedergabe
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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3291251A (en) * 1966-03-14 1966-12-13 Stanley A Strzelecki Sr Divided panel board for hi-fi speaker systems
DE3904943A1 (de) * 1989-02-17 1990-09-20 Pfleiderer Peter Lautsprecheranordnung zur verbesserung des akustischen klangeindrucks in wohnraeumen
KR19990037724A (ko) * 1995-09-02 1999-05-25 헨리 에이지마 인사카드 및 그 유사카드

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000067524A2 (en) * 1999-04-29 2000-11-09 New Transducers Limited Bending wave loudspeakers
WO2001039541A2 (de) * 1999-11-22 2001-05-31 Harman Audio Electronic Systems Gmbh Flachlautsprecheranordnung für tieftonwiedergabe
DE19955867A1 (de) * 1999-11-22 2001-06-21 Harman Audio Electronic Sys Flachlautsprecheranordnung für Tieftonwiedergabe
DE20002930U1 (de) * 2000-02-20 2000-05-18 Theis Karl Heinz Hornlautsprecher
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2007217192B2 (en) * 2006-02-22 2011-07-14 Airsound Llp Apparatus and method for reproduction of stereo sound

Also Published As

Publication number Publication date
ATE319279T1 (de) 2006-03-15
DK1408717T3 (da) 2006-07-10
ES2260580T3 (es) 2006-11-01
EP1408717A2 (en) 2004-04-14
PT1408717E (pt) 2006-07-31
DE60303748T2 (de) 2006-11-09
GB2392043A (en) 2004-02-18
GB0319297D0 (en) 2003-09-17
DE60303748D1 (de) 2006-04-27
EP1408717A3 (en) 2004-08-04
EP1408717B1 (en) 2006-03-01

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Legal Events

Date Code Title Description
773K Patent revoked under sect. 73(2)/1977

Free format text: PATENT REVOKED ON 20070823