DE69924990D1 - ACOUSTIC DEVICE ACCORDING TO THE BOW WAVE PRINCIPLE - Google Patents

ACOUSTIC DEVICE ACCORDING TO THE BOW WAVE PRINCIPLE

Info

Publication number
DE69924990D1
DE69924990D1 DE69924990T DE69924990T DE69924990D1 DE 69924990 D1 DE69924990 D1 DE 69924990D1 DE 69924990 T DE69924990 T DE 69924990T DE 69924990 T DE69924990 T DE 69924990T DE 69924990 D1 DE69924990 D1 DE 69924990D1
Authority
DE
Germany
Prior art keywords
acoustic device
bow wave
wave principle
principle
bow
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 - Lifetime
Application number
DE69924990T
Other languages
German (de)
Other versions
DE69924990T2 (en
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 DE69924990D1 publication Critical patent/DE69924990D1/en
Application granted granted Critical
Publication of DE69924990T2 publication Critical patent/DE69924990T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • 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
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • H04R7/22—Clamping rim of diaphragm or cone against seating
DE69924990T 1998-04-02 1999-03-30 ACOUSTIC DEVICE ACCORDING TO THE BOW WAVE PRINCIPLE Expired - Lifetime DE69924990T2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9806994 1998-04-02
GBGB9806994.1A GB9806994D0 (en) 1998-04-02 1998-04-02 Acoustic device
PCT/GB1999/000848 WO1999052324A1 (en) 1998-04-02 1999-03-30 Acoustic device relying on bending wave action

Publications (2)

Publication Number Publication Date
DE69924990D1 true DE69924990D1 (en) 2005-06-02
DE69924990T2 DE69924990T2 (en) 2006-02-23

Family

ID=10829678

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69924990T Expired - Lifetime DE69924990T2 (en) 1998-04-02 1999-03-30 ACOUSTIC DEVICE ACCORDING TO THE BOW WAVE PRINCIPLE

Country Status (27)

Country Link
EP (1) EP1068770B1 (en)
JP (1) JP4258696B2 (en)
KR (1) KR20010042428A (en)
CN (1) CN1143593C (en)
AR (1) AR018832A1 (en)
AT (1) ATE294492T1 (en)
AU (1) AU746216B2 (en)
BG (1) BG104810A (en)
BR (1) BR9909901A (en)
CA (1) CA2326161A1 (en)
CO (1) CO4830489A1 (en)
CZ (1) CZ300065B6 (en)
DE (1) DE69924990T2 (en)
EA (1) EA003215B1 (en)
GB (2) GB9806994D0 (en)
HK (1) HK1032504A1 (en)
HU (1) HUP0102859A3 (en)
ID (1) ID27055A (en)
IL (1) IL138312A0 (en)
NO (1) NO20004921L (en)
NZ (1) NZ506731A (en)
PL (1) PL343115A1 (en)
SK (1) SK14552000A3 (en)
TR (1) TR200002878T2 (en)
TW (1) TW475340B (en)
WO (1) WO1999052324A1 (en)
ZA (1) ZA200004746B (en)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19922395C1 (en) * 1999-05-14 2001-01-11 Harman Audio Electronic Sys Ceiling element
DE19955867A1 (en) * 1999-11-22 2001-06-21 Harman Audio Electronic Sys Flat speaker arrangement for bass reproduction
TW498698B (en) * 2000-05-08 2002-08-11 Koninkl Philips Electronics Nv Loudspeaker having an acoustic panel and an electrical driver
GB0010998D0 (en) * 2000-05-08 2000-06-28 New Transducers Ltd Acoustic device
US6826285B2 (en) 2000-08-03 2004-11-30 New Transducers Limited Bending wave loudspeaker
GB0018996D0 (en) * 2000-08-03 2000-09-20 New Transducers Ltd Bending wave loudspeaker
DE10058102C2 (en) * 2000-11-23 2003-07-03 Harman Audio Electronic Sys Electrodynamic bending moment driver
US7548854B2 (en) 2002-01-31 2009-06-16 Awi Licensing Company Architectural sound enhancement with pre-filtered masking sound
US6983819B2 (en) 2002-04-02 2006-01-10 Awi Licensing Company Entertainment sound panels
SE523321C2 (en) * 2002-06-20 2004-04-13 Covial Device Ab Method and apparatus for sensing and indicating acoustic emission
US8054194B2 (en) 2003-02-10 2011-11-08 Autronic Plastics, Inc. System and method for verifying a security status of a lockable container
GB0405475D0 (en) * 2004-03-11 2004-04-21 New Transducers Ltd Loudspeakers
DE102004028664A1 (en) * 2004-06-12 2006-01-19 Puren Gmbh Vibration body of a speaker system
US10848118B2 (en) 2004-08-10 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
US11431312B2 (en) 2004-08-10 2022-08-30 Bongiovi Acoustics Llc System and method for digital signal processing
US10158337B2 (en) 2004-08-10 2018-12-18 Bongiovi Acoustics Llc System and method for digital signal processing
US8284955B2 (en) 2006-02-07 2012-10-09 Bongiovi Acoustics Llc System and method for digital signal processing
US11202161B2 (en) 2006-02-07 2021-12-14 Bongiovi Acoustics Llc System, method, and apparatus for generating and digitally processing a head related audio transfer function
US10701505B2 (en) 2006-02-07 2020-06-30 Bongiovi Acoustics Llc. System, method, and apparatus for generating and digitally processing a head related audio transfer function
US10848867B2 (en) 2006-02-07 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
US9615189B2 (en) 2014-08-08 2017-04-04 Bongiovi Acoustics Llc Artificial ear apparatus and associated methods for generating a head related audio transfer function
US10069471B2 (en) 2006-02-07 2018-09-04 Bongiovi Acoustics Llc System and method for digital signal processing
US9154885B2 (en) 2012-08-10 2015-10-06 Kyocera Corporation Sound generator, sound generation device, and electronic apparatus
US9264004B2 (en) 2013-06-12 2016-02-16 Bongiovi Acoustics Llc System and method for narrow bandwidth digital signal processing
US9883318B2 (en) 2013-06-12 2018-01-30 Bongiovi Acoustics Llc System and method for stereo field enhancement in two-channel audio systems
US9906858B2 (en) 2013-10-22 2018-02-27 Bongiovi Acoustics Llc System and method for digital signal processing
US10639000B2 (en) 2014-04-16 2020-05-05 Bongiovi Acoustics Llc Device for wide-band auscultation
US10820883B2 (en) 2014-04-16 2020-11-03 Bongiovi Acoustics Llc Noise reduction assembly for auscultation of a body
US9615813B2 (en) 2014-04-16 2017-04-11 Bongiovi Acoustics Llc. Device for wide-band auscultation
US9564146B2 (en) 2014-08-01 2017-02-07 Bongiovi Acoustics Llc System and method for digital signal processing in deep diving environment
US9638672B2 (en) 2015-03-06 2017-05-02 Bongiovi Acoustics Llc System and method for acquiring acoustic information from a resonating body
US9621994B1 (en) 2015-11-16 2017-04-11 Bongiovi Acoustics Llc Surface acoustic transducer
US9906867B2 (en) 2015-11-16 2018-02-27 Bongiovi Acoustics Llc Surface acoustic transducer
GB2551723B (en) 2016-06-27 2018-11-28 Amina Tech Limited Speaker Panel
GB2560878B (en) 2017-02-24 2021-10-27 Google Llc A panel loudspeaker controller and a panel loudspeaker
CA3096877A1 (en) 2018-04-11 2019-10-17 Bongiovi Acoustics Llc Audio enhanced hearing protection system
WO2020028833A1 (en) 2018-08-02 2020-02-06 Bongiovi Acoustics Llc System, method, and apparatus for generating and digitally processing a head related audio transfer function

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3247925A (en) * 1962-03-08 1966-04-26 Lord Corp Loudspeaker
DE1132593B (en) * 1965-04-05 1962-07-05 Bolt Beranek & Newman Acoustically effective plate, especially for coupling to an electroacoustic transducer
JP3034952B2 (en) * 1990-08-04 2000-04-17 イギリス国 Panel type speaker
EA002108B1 (en) * 1995-09-02 2001-12-24 Нью Трэнсдьюсерз Лимитед Loudspeaker comprising panel-form acoustic radiating elements
AU703296B2 (en) * 1995-09-02 1999-03-25 New Transducers Limited Loudspeakers comprising panel-form acoustic radiating elements
UA51671C2 (en) * 1995-09-02 2002-12-16 Нью Транзд'Юсез Лімітед Acoustic device
GB9704486D0 (en) * 1997-03-04 1997-04-23 New Transducers Ltd Acoustic devices etc
DE19757098C2 (en) * 1997-12-20 2003-01-09 Harman Audio Electronic Sys Suspension for sound reproduction arrangements based on the bending wave principle

Also Published As

Publication number Publication date
ID27055A (en) 2001-02-22
NZ506731A (en) 2003-02-28
AR018832A1 (en) 2001-12-12
DE69924990T2 (en) 2006-02-23
JP2002511682A (en) 2002-04-16
CA2326161A1 (en) 1999-10-14
GB2350008B (en) 2001-05-02
KR20010042428A (en) 2001-05-25
WO1999052324A1 (en) 1999-10-14
TR200002878T2 (en) 2001-01-22
BG104810A (en) 2001-07-31
IL138312A0 (en) 2001-10-31
HUP0102859A3 (en) 2003-03-28
ATE294492T1 (en) 2005-05-15
EA200001016A1 (en) 2001-02-26
CN1296720A (en) 2001-05-23
GB0020986D0 (en) 2000-10-11
HK1032504A1 (en) 2001-07-20
EP1068770A1 (en) 2001-01-17
PL343115A1 (en) 2001-07-30
BR9909901A (en) 2000-12-26
CZ20003591A3 (en) 2001-01-17
HUP0102859A2 (en) 2001-12-28
ZA200004746B (en) 2001-06-27
EA003215B1 (en) 2003-02-27
GB9806994D0 (en) 1998-06-03
AU2947199A (en) 1999-10-25
CN1143593C (en) 2004-03-24
TW475340B (en) 2002-02-01
AU746216B2 (en) 2002-04-18
CO4830489A1 (en) 1999-08-30
GB2350008A (en) 2000-11-15
NO20004921D0 (en) 2000-09-29
CZ300065B6 (en) 2009-01-21
SK14552000A3 (en) 2001-05-10
JP4258696B2 (en) 2009-04-30
NO20004921L (en) 2000-11-28
EP1068770B1 (en) 2005-04-27

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Legal Events

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