PT1408717E - Unidade de combinacao de altifalantes - Google Patents

Unidade de combinacao de altifalantes

Info

Publication number
PT1408717E
PT1408717E PT03255099T PT03255099T PT1408717E PT 1408717 E PT1408717 E PT 1408717E PT 03255099 T PT03255099 T PT 03255099T PT 03255099 T PT03255099 T PT 03255099T PT 1408717 E PT1408717 E PT 1408717E
Authority
PT
Portugal
Prior art keywords
loudspeaker
diaphragm
resonant panel
functioning
dipole
Prior art date
Application number
PT03255099T
Other languages
English (en)
Inventor
Dodd Mark
Original Assignee
Kh 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 Kh Technology Corp filed Critical Kh Technology Corp
Publication of PT1408717E publication Critical patent/PT1408717E/pt

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)
PT03255099T 2002-08-17 2003-08-18 Unidade de combinacao de altifalantes PT1408717E (pt)

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 (1)

Publication Number Publication Date
PT1408717E true PT1408717E (pt) 2006-07-31

Family

ID=28456042

Family Applications (1)

Application Number Title Priority Date Filing Date
PT03255099T PT1408717E (pt) 2002-08-17 2003-08-18 Unidade de combinacao de altifalantes

Country Status (7)

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

Families Citing this family (5)

* 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
GB0603545D0 (en) * 2006-02-22 2006-04-05 Fletcher Edward S Apparatus and method for reproduction of stereo sound
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

Family Cites Families (9)

* 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
KR19990037726A (ko) * 1995-09-02 1999-05-25 헨리 에이지마 판넬형 음향 방사소자들로 구성된 라우드스피커
GB9910220D0 (en) * 1999-04-29 1999-06-30 New Transducers Ltd Loudspeakers
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, 55270 Essenheim Hornlautsprecher
GB2368484B (en) * 2000-10-25 2004-06-16 B & W Loudspeakers Distributed mode panel type loudspeakers
US7002070B2 (en) * 2001-06-22 2006-02-21 Shelley Katz Electronic piano
CN1759635A (zh) * 2003-01-22 2006-04-12 谢利·卡茨 用于再现声音的装置和方法

Also Published As

Publication number Publication date
GB2392043B (en) 2006-03-22
DK1408717T3 (da) 2006-07-10
GB2392043A (en) 2004-02-18
EP1408717B1 (en) 2006-03-01
DE60303748D1 (de) 2006-04-27
ATE319279T1 (de) 2006-03-15
GB0319297D0 (en) 2003-09-17
ES2260580T3 (es) 2006-11-01
EP1408717A3 (en) 2004-08-04
DE60303748T2 (de) 2006-11-09
EP1408717A2 (en) 2004-04-14

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