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WO2000067524A3 - Bending wave loudspeakers - Google Patents

Bending wave loudspeakers Download PDF

Info

Publication number
WO2000067524A3
WO2000067524A3 PCT/GB2000/001483 GB0001483W WO0067524A3 WO 2000067524 A3 WO2000067524 A3 WO 2000067524A3 GB 0001483 W GB0001483 W GB 0001483W WO 0067524 A3 WO0067524 A3 WO 0067524A3
Authority
WO
WIPO (PCT)
Prior art keywords
bending wave
wave loudspeakers
loudspeakers
subwoofer
dipole
Prior art date
Application number
PCT/GB2000/001483
Other languages
French (fr)
Other versions
WO2000067524A2 (en
Inventor
Henry Azima
Graham Bank
Martin Roberts
Original Assignee
New Transducers Ltd
Henry Azima
Graham Bank
Martin Roberts
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 New Transducers Ltd, Henry Azima, Graham Bank, Martin Roberts filed Critical New Transducers Ltd
Priority to AU45823/00A priority Critical patent/AU4582300A/en
Publication of WO2000067524A2 publication Critical patent/WO2000067524A2/en
Publication of WO2000067524A3 publication Critical patent/WO2000067524A3/en

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 
    • H04R1/227—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  using transducers reproducing the same frequency band
    • 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
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • 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
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
    • 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
    • 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
    • H04R7/06—Plane diaphragms comprising a plurality of sections or layers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)

Abstract

A loudspeaker combination comprising a bending-wave panel-form loudspeaker and a dipole subwoofer, the dipole subwoofer comprising a pistonic driver mounted in an open baffle.
PCT/GB2000/001483 1999-04-29 2000-04-28 Bending wave loudspeakers WO2000067524A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU45823/00A AU4582300A (en) 1999-04-29 2000-04-28 Loudspeakers

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9910220.4 1999-04-29
GBGB9910220.4A GB9910220D0 (en) 1999-04-29 1999-04-29 Loudspeakers

Publications (2)

Publication Number Publication Date
WO2000067524A2 WO2000067524A2 (en) 2000-11-09
WO2000067524A3 true WO2000067524A3 (en) 2001-02-01

Family

ID=10852725

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2000/001483 WO2000067524A2 (en) 1999-04-29 2000-04-28 Bending wave loudspeakers

Country Status (3)

Country Link
AU (1) AU4582300A (en)
GB (1) GB9910220D0 (en)
WO (1) WO2000067524A2 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7002070B2 (en) 2001-06-22 2006-02-21 Shelley Katz Electronic piano
WO2004066672A1 (en) * 2003-01-22 2004-08-05 Shelley Katz Apparatus and method for producing sound
EP1392080A3 (en) * 2002-08-17 2004-12-22 KH Technology Corporation Loudspeaker unit and assembly
ES2260580T3 (en) * 2002-08-17 2006-11-01 Kh Technology Corporation COMBINED SPEAKER UNIT.
GB2422265B (en) * 2003-01-22 2007-08-08 Shelley Katz Electrical and electronic musical instruments
AU2008200358B2 (en) * 2003-01-22 2009-12-03 Shelley Katz Electrical and electronic musical instruments
WO2006083154A1 (en) * 2005-02-02 2006-08-10 Vladimir Filevski Dipole multimedia loudspeaker
JP2009189027A (en) * 2009-03-18 2009-08-20 Shelley Katz Apparatus and method for generating sound
JP2009194924A (en) * 2009-04-17 2009-08-27 Shelley Katz Apparatus and method for generating sound
DE102010010309A1 (en) * 2010-03-04 2011-09-08 Visaton Gmbh & Co. Kg Speaker arrangement installed in station hall, has planar acoustic baffle having apertures in which wideband speakers are arranged, which is provided in sound radiating cabinet, by forming dipole radiator in sound radiating cabinet
GB201907267D0 (en) 2019-05-23 2019-07-10 Pss Belgium Nv Loudspeaker

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2191065A (en) * 1986-05-30 1987-12-02 Celestion Int Ltd Sound generating system
EP0267650A2 (en) * 1986-11-07 1988-05-18 Carver Corporation Loudspeaker apparatus and method
WO1997009842A2 (en) * 1995-09-02 1997-03-13 New Transducers Limited Acoustic device
WO1998042536A1 (en) * 1997-03-22 1998-10-01 New Transducers Limited Passenger vehicles incorporating loudspeakers comprising panel-form acoustic radiating elements
WO1999008479A1 (en) * 1997-08-05 1999-02-18 New Transducers Limited Sound radiating devices/systems

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2191065A (en) * 1986-05-30 1987-12-02 Celestion Int Ltd Sound generating system
EP0267650A2 (en) * 1986-11-07 1988-05-18 Carver Corporation Loudspeaker apparatus and method
WO1997009842A2 (en) * 1995-09-02 1997-03-13 New Transducers Limited Acoustic device
WO1998042536A1 (en) * 1997-03-22 1998-10-01 New Transducers Limited Passenger vehicles incorporating loudspeakers comprising panel-form acoustic radiating elements
WO1999008479A1 (en) * 1997-08-05 1999-02-18 New Transducers Limited Sound radiating devices/systems

Also Published As

Publication number Publication date
GB9910220D0 (en) 1999-06-30
WO2000067524A2 (en) 2000-11-09
AU4582300A (en) 2000-11-17

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