HUP0002652A2 - Acoustic device - Google Patents

Acoustic device

Info

Publication number
HUP0002652A2
HUP0002652A2 HU0002652A HUP0002652A HUP0002652A2 HU P0002652 A2 HUP0002652 A2 HU P0002652A2 HU 0002652 A HU0002652 A HU 0002652A HU P0002652 A HUP0002652 A HU P0002652A HU P0002652 A2 HUP0002652 A2 HU P0002652A2
Authority
HU
Hungary
Prior art keywords
acoustic
bending
spatial distribution
resonant modes
acoustic device
Prior art date
Application number
HU0002652A
Other languages
Hungarian (hu)
Inventor
Henry Azima
Martin Colloms
Neil Harris
Original Assignee
New Transducers Limited
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 Limited filed Critical New Transducers Limited
Publication of HUP0002652A2 publication Critical patent/HUP0002652A2/en
Publication of HUP0002652A3 publication Critical patent/HUP0002652A3/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
    • 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
    • H04R7/10—Plane diaphragms comprising a plurality of sections or layers comprising superposed layers in contact
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Sink And Installation For Waste Water (AREA)
  • Surgical Instruments (AREA)
  • Seal Device For Vehicle (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Transducers For Ultrasonic Waves (AREA)

Abstract

A találmány tárgya akusztikus eszköz, amely vastagságához képestkeresztirányú kiterjedésű és felületén természetes hajlítóhullámúrezgések rezonáns módusának területi eloszlása révén működésiakusztikus frekvenciatartományban kiváltott akusztikus hatást okozóhajlítóhullámok fenntartására képes elemet tartalmaz, ahol az elemhajlítási merevsége annak felülete mentén változik, és ez az elemet azakusztikus hatáshoz való rezonáns módusok területi eloszlásáhozkedvezőbbé teszi, és az elem hajlítási merevségének középpontja azelem mértani középpontjától elcsúsztatott helyzetben van. ÓThe object of the invention is an acoustic device, which contains an element that is transversely extended compared to its thickness and capable of sustaining bending waves causing an acoustic effect in the operating acoustic frequency range through the spatial distribution of resonant modes of natural bending wave vibrations on its surface, where the bending stiffness of the element changes along its surface, and this element is more favorable to the spatial distribution of resonant modes for the acoustic effect does, and the center of bending stiffness of the element is shifted from the geometric center of the element. HE

HU0002652A 1997-03-04 1998-02-27 Acoustic device HUP0002652A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9704486.1A GB9704486D0 (en) 1997-03-04 1997-03-04 Acoustic devices etc

Publications (2)

Publication Number Publication Date
HUP0002652A2 true HUP0002652A2 (en) 2000-12-28
HUP0002652A3 HUP0002652A3 (en) 2001-11-28

Family

ID=10808687

Family Applications (1)

Application Number Title Priority Date Filing Date
HU0002652A HUP0002652A3 (en) 1997-03-04 1998-02-27 Acoustic device

Country Status (30)

Country Link
EP (2) EP1133212A3 (en)
JP (1) JP2001513967A (en)
KR (1) KR20000075889A (en)
CN (1) CN1157999C (en)
AR (1) AR011920A1 (en)
AT (1) ATE231677T1 (en)
AU (1) AU735051B2 (en)
BG (1) BG103669A (en)
BR (1) BR9808169A (en)
CA (1) CA2283381A1 (en)
CZ (1) CZ310299A3 (en)
DE (1) DE69810905T2 (en)
EA (1) EA002480B1 (en)
EE (1) EE9900386A (en)
ES (1) ES2191925T3 (en)
GB (1) GB9704486D0 (en)
GE (1) GEP20022748B (en)
HK (1) HK1022398A1 (en)
HU (1) HUP0002652A3 (en)
ID (1) ID20143A (en)
IL (1) IL131485A0 (en)
NO (1) NO994288L (en)
NZ (1) NZ336943A (en)
PL (1) PL335366A1 (en)
SK (1) SK119499A3 (en)
TR (1) TR199902177T2 (en)
TW (1) TW462199B (en)
WO (1) WO1998039947A1 (en)
YU (1) YU39599A (en)
ZA (1) ZA981662B (en)

Families Citing this family (51)

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GB9818959D0 (en) * 1998-09-02 1998-10-21 New Transducers Ltd Panelform loudspeaker
GB9806994D0 (en) * 1998-04-02 1998-06-03 New Transducers Ltd Acoustic device
GB2360665B (en) * 1998-06-22 2003-01-15 Slab Technology Ltd Loudspeakers
ATE303051T1 (en) 1998-06-22 2005-09-15 Slab Technology Ltd SPEAKER
GB9903044D0 (en) * 1999-02-11 1999-03-31 New Transducers Ltd Loudspeakers
GB0029098D0 (en) * 2000-11-30 2001-01-10 New Transducers Ltd Vibration transducer
US6839444B2 (en) 2000-11-30 2005-01-04 New Transducers Limited Loudspeakers
US7120263B2 (en) 2001-03-23 2006-10-10 New Transducers Limited Bending wave acoustic radiator
GB2386790B (en) * 2001-03-23 2004-08-18 New Transducers Ltd Bending wave acoustic radiator
US7002070B2 (en) 2001-06-22 2006-02-21 Shelley Katz Electronic piano
US7548854B2 (en) 2002-01-31 2009-06-16 Awi Licensing Company Architectural sound enhancement with pre-filtered masking sound
US7010143B2 (en) * 2002-08-22 2006-03-07 Tai-Yan Kam Rectangular panel-form loudspeaker and its radiating panel
CN1759635A (en) * 2003-01-22 2006-04-12 谢利·卡茨 Apparatus and method for producing sound
EP1775988A1 (en) * 2004-07-30 2007-04-18 Matsushita Electric Industrial Co., Ltd. Speaker system, mobile terminal device, and electronic device
US11431312B2 (en) 2004-08-10 2022-08-30 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
US10848118B2 (en) 2004-08-10 2020-11-24 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
JP4779526B2 (en) * 2005-09-15 2011-09-28 日本電気株式会社 Panel speaker
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
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
US10848867B2 (en) 2006-02-07 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
US10069471B2 (en) 2006-02-07 2018-09-04 Bongiovi Acoustics Llc System and method for digital signal processing
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
JP4793018B2 (en) 2006-02-20 2011-10-12 パナソニック株式会社 Diaphragm and speaker using it
KR100883241B1 (en) * 2007-01-31 2009-02-10 욘 싱 인더스트리얼 컴퍼니., 리미티드. Sound device having full-gamut single-body sound membrane that conforms to a physical property of sounding
DE102007041850A1 (en) * 2007-09-03 2009-03-05 Robert Bosch Gmbh Ultrasonic sensor with a carrier element and a membrane, wherein the membrane is embedded in the carrier element
GB0811015D0 (en) * 2008-06-17 2008-07-23 Deben Acoustics Improved acoustic device
CN103154857B (en) 2010-08-23 2019-03-15 诺基亚技术有限公司 For providing the device and method of tactile and audible feedback in the user interface of touch sensible
CH704183A2 (en) * 2010-12-02 2012-06-15 Montres Breguet Sa Acoustic radiation membrane for e.g. music watch, has cavities or projecting portions formed in form of honeycomb, where shape and dimensions of cavities are adapted based on type of material as well as notes to be radiated by membrane
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
US9615813B2 (en) 2014-04-16 2017-04-11 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
US10639000B2 (en) 2014-04-16 2020-05-05 Bongiovi Acoustics Llc Device for wide-band auscultation
US9628917B2 (en) * 2014-07-23 2017-04-18 Bose Corporation Sound producing system
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
DE102015217778B4 (en) * 2015-09-17 2019-05-29 Robert Bosch Gmbh Acoustic sensor with a membrane and an electroacoustic transducer
US9621994B1 (en) 2015-11-16 2017-04-11 Bongiovi Acoustics Llc Surface acoustic transducer
WO2017087495A1 (en) 2015-11-16 2017-05-26 Bongiovi Acoustics Llc Surface acoustic transducer
GB2564061B (en) * 2016-06-27 2020-12-16 Amina Tech Limited Speaker panel
GB2551723B (en) 2016-06-27 2018-11-28 Amina Tech Limited Speaker Panel
EP3273210B1 (en) * 2016-07-18 2022-05-18 VEGA Grieshaber KG Vibrating level switch and method for producing a vibrating level switch
GB2568282B (en) * 2017-11-10 2020-11-25 Amina Tech Limited Flat panel loudspeaker
US11211043B2 (en) 2018-04-11 2021-12-28 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
CN112584288B (en) * 2020-12-09 2023-03-14 青岛海信激光显示股份有限公司 Sound production board and projection screen
WO2022121590A1 (en) * 2020-12-09 2022-06-16 青岛海信激光显示股份有限公司 Sound generation board and projection screen
CN113642202A (en) * 2021-06-29 2021-11-12 东风汽车集团股份有限公司 Variable thickness thin plate

Family Cites Families (5)

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JPS5568795A (en) * 1978-11-20 1980-05-23 Sony Corp Speaker
GB2074812B (en) * 1980-04-21 1984-01-04 Matsushita Electric Ind Co Ltd Method of manufacturing a speaker diaphragm
JPH01311795A (en) * 1988-06-10 1989-12-15 Minebea Co Ltd Diaphragm for speaker
WO1992003024A1 (en) * 1990-08-04 1992-02-20 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Panel-form loudspeaker
UA51671C2 (en) * 1995-09-02 2002-12-16 Нью Транзд'Юсез Лімітед Acoustic device

Also Published As

Publication number Publication date
CA2283381A1 (en) 1998-09-11
GEP20022748B (en) 2002-07-25
BR9808169A (en) 2000-05-16
NZ336943A (en) 2001-02-23
EE9900386A (en) 2000-04-17
DE69810905D1 (en) 2003-02-27
HUP0002652A3 (en) 2001-11-28
IL131485A0 (en) 2001-01-28
CZ310299A3 (en) 1999-12-15
NO994288D0 (en) 1999-09-03
CN1249892A (en) 2000-04-05
ID20143A (en) 1998-10-08
AU735051B2 (en) 2001-06-28
AU6305398A (en) 1998-09-22
EA002480B1 (en) 2002-06-27
NO994288L (en) 1999-09-03
BG103669A (en) 2000-03-31
TW462199B (en) 2001-11-01
JP2001513967A (en) 2001-09-04
DE69810905T2 (en) 2003-12-24
WO1998039947A1 (en) 1998-09-11
EP1133212A3 (en) 2006-01-11
SK119499A3 (en) 2000-08-14
TR199902177T2 (en) 2000-01-21
EA199900793A1 (en) 2000-04-24
ZA981662B (en) 1998-09-03
ATE231677T1 (en) 2003-02-15
KR20000075889A (en) 2000-12-26
ES2191925T3 (en) 2003-09-16
EP1133212A2 (en) 2001-09-12
AR011920A1 (en) 2000-09-13
PL335366A1 (en) 2000-04-25
YU39599A (en) 2001-12-26
EP0965245B1 (en) 2003-01-22
GB9704486D0 (en) 1997-04-23
CN1157999C (en) 2004-07-14
EP0965245A1 (en) 1999-12-22
HK1022398A1 (en) 2000-08-04

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