AU2001275706A1 - Bending wave loudspeaker - Google Patents

Bending wave loudspeaker

Info

Publication number
AU2001275706A1
AU2001275706A1 AU2001275706A AU7570601A AU2001275706A1 AU 2001275706 A1 AU2001275706 A1 AU 2001275706A1 AU 2001275706 A AU2001275706 A AU 2001275706A AU 7570601 A AU7570601 A AU 7570601A AU 2001275706 A1 AU2001275706 A1 AU 2001275706A1
Authority
AU
Australia
Prior art keywords
bending wave
wave loudspeaker
loudspeaker
bending
wave
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.)
Abandoned
Application number
AU2001275706A
Inventor
Henry Azima
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.)
NVF Tech Ltd
Original Assignee
New Transducers 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 New Transducers Ltd filed Critical New Transducers Ltd
Publication of AU2001275706A1 publication Critical patent/AU2001275706A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/02Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04Plane diaphragms
    • H04R7/045Plane 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/16Mounting or tensioning of diaphragms or cones
    • H04R7/18Mounting or tensioning of diaphragms or cones at the periphery
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2440/00Bending wave transducers covered by H04R, not provided for in its groups
    • H04R2440/01Acoustic transducers using travelling bending waves to generate or detect sound
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/16Mounting or tensioning of diaphragms or cones
    • H04R7/18Mounting or tensioning of diaphragms or cones at the periphery
    • H04R7/20Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Building Environments (AREA)
AU2001275706A 2000-08-03 2001-07-27 Bending wave loudspeaker Abandoned AU2001275706A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0018996.9 2000-08-03
GB0018996A GB0018996D0 (en) 2000-08-03 2000-08-03 Bending wave loudspeaker
PCT/GB2001/003353 WO2002013575A1 (en) 2000-08-03 2001-07-27 Bending wave loudspeaker

Publications (1)

Publication Number Publication Date
AU2001275706A1 true AU2001275706A1 (en) 2002-02-18

Family

ID=9896856

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001275706A Abandoned AU2001275706A1 (en) 2000-08-03 2001-07-27 Bending wave loudspeaker

Country Status (7)

Country Link
EP (1) EP1305976A1 (en)
JP (1) JP2004506360A (en)
CN (1) CN1470148A (en)
AU (1) AU2001275706A1 (en)
GB (1) GB0018996D0 (en)
TW (1) TW530518B (en)
WO (1) WO2002013575A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1643976A (en) * 2002-04-17 2005-07-20 新型转换器有限公司 Acoustic device
DE102004061314A1 (en) * 2004-12-20 2006-07-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Loudspeaker transmitter and method of making a loudspeaker diaphragm
US8389120B2 (en) 2005-12-07 2013-03-05 Agc Glass Europe Sound-generating glazing
JP5057342B2 (en) * 2005-12-07 2012-10-24 エージーシー グラス ユーロップ Sound generation plate glass
TWI384890B (en) * 2008-11-05 2013-02-01 Univ Nat Chiao Tung A performance measurement method and system for microspeakers
EP2450759B1 (en) * 2010-11-09 2020-08-12 Montres Breguet SA Magnetic shock absorber
CN108337621B (en) * 2018-02-26 2024-01-02 浙江中科电声研发中心 Method and system for measuring viscoelasticity of loudspeaker vibrating component material
CN115088271A (en) * 2020-01-17 2022-09-20 深圳市韶音科技有限公司 Microphone and electronic equipment

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69106712T2 (en) 1990-08-04 1995-06-08 Secr Defence Brit PANEL-SHAPED SPEAKER.
UA51671C2 (en) * 1995-09-02 2002-12-16 Нью Транзд'Юсез Лімітед Acoustic device
GB9806994D0 (en) * 1998-04-02 1998-06-03 New Transducers Ltd Acoustic device
DE19757098C2 (en) * 1997-12-20 2003-01-09 Harman Audio Electronic Sys Suspension for sound reproduction arrangements based on the bending wave principle
DE19821855A1 (en) 1998-05-15 1999-11-18 Nokia Deutschland Gmbh Flat panel loudspeaker
CA2338713A1 (en) * 1998-07-29 2000-02-10 Graham Bank Loudspeaker drive unit having a resonant panel-form member

Also Published As

Publication number Publication date
TW530518B (en) 2003-05-01
CN1470148A (en) 2004-01-21
JP2004506360A (en) 2004-02-26
GB0018996D0 (en) 2000-09-20
WO2002013575A8 (en) 2004-12-29
WO2002013575A1 (en) 2002-02-14
EP1305976A1 (en) 2003-05-02

Similar Documents

Publication Publication Date Title
AU2002310642A1 (en) Loudspeaker
AU2001229551A1 (en) Planar loudspeaker
AU2001271193A1 (en) Antenna
AU2001258958A1 (en) Antenna
AU2001293982A1 (en) Communications meshes
AU2001277000A1 (en) Acoustic wave device
AU2001280410A1 (en) Angle transducer
AU2002334361A1 (en) Acoustic wave device
AU2001246558A1 (en) Microphone structure
AU2002227087A1 (en) Acoustic loudspeaker
AUPR141200A0 (en) Directional microphone
AU2002249373A1 (en) Loudspeaker
AU2001270877A1 (en) Acoustic structures
AU2002213902A1 (en) Flat loudspeaker
AU2001281209A1 (en) Contrawound antenna
AU2001275706A1 (en) Bending wave loudspeaker
AU2002238709A1 (en) Bending wave acoustic radiator
AU2002231941A1 (en) Loudspeaker
AU2001275698A1 (en) Bending wave loudspeaker
HK1061951A1 (en) Resonant bending wave loudspeaker.
AU4430101A (en) Loudspeakers
AU2001228689A1 (en) Distortion reduction
AU2001270815A1 (en) Antenna
AU6047201A (en) Loudspeaker
AU2001284156A1 (en) Diaphragm