PL346418A1 - Panel form acoustic apparatus using bending waves modes - Google Patents

Panel form acoustic apparatus using bending waves modes

Info

Publication number
PL346418A1
PL346418A1 PL99346418A PL34641899A PL346418A1 PL 346418 A1 PL346418 A1 PL 346418A1 PL 99346418 A PL99346418 A PL 99346418A PL 34641899 A PL34641899 A PL 34641899A PL 346418 A1 PL346418 A1 PL 346418A1
Authority
PL
Poland
Prior art keywords
panel form
acoustic apparatus
bending waves
form acoustic
waves modes
Prior art date
Application number
PL99346418A
Inventor
Henry Azima
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 PL346418A1 publication Critical patent/PL346418A1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Building Environments (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
PL99346418A 1998-09-02 1999-09-01 Panel form acoustic apparatus using bending waves modes PL346418A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9818959.0A GB9818959D0 (en) 1998-09-02 1998-09-02 Panelform loudspeaker
PCT/GB1999/002724 WO2000015000A1 (en) 1998-09-02 1999-09-01 Panel form acoustic apparatus using bending waves modes

Publications (1)

Publication Number Publication Date
PL346418A1 true PL346418A1 (en) 2002-02-11

Family

ID=10838108

Family Applications (1)

Application Number Title Priority Date Filing Date
PL99346418A PL346418A1 (en) 1998-09-02 1999-09-01 Panel form acoustic apparatus using bending waves modes

Country Status (26)

Country Link
EP (1) EP1110426B1 (en)
JP (1) JP2002524994A (en)
KR (1) KR20010074943A (en)
CN (1) CN1157998C (en)
AR (1) AR020361A1 (en)
AT (1) ATE260534T1 (en)
AU (1) AU5524299A (en)
BG (1) BG105261A (en)
BR (1) BR9913391A (en)
CA (1) CA2342764A1 (en)
DE (1) DE69915083T2 (en)
EA (1) EA002629B1 (en)
GB (1) GB9818959D0 (en)
HU (1) HUP0103191A2 (en)
ID (1) ID28655A (en)
IL (1) IL141634A0 (en)
NO (1) NO20011080L (en)
PE (1) PE20001147A1 (en)
PL (1) PL346418A1 (en)
SK (1) SK2842001A3 (en)
TR (1) TR200100682T2 (en)
TW (1) TW465252B (en)
UY (1) UY25689A1 (en)
WO (1) WO2000015000A1 (en)
YU (1) YU17201A (en)
ZA (1) ZA200100759B (en)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0007025D0 (en) * 2000-03-23 2000-05-10 New Transducers Ltd Loudspeakers
DE10025460B4 (en) * 2000-05-23 2004-03-18 Harman Audio Electronic Systems Gmbh tweeter
EP1264511A1 (en) * 2001-01-26 2002-12-11 Harman Audio Electronic Systems GmbH Flat-panel loudspeaker
US7120263B2 (en) 2001-03-23 2006-10-10 New Transducers Limited Bending wave acoustic radiator
US7062051B2 (en) 2001-08-17 2006-06-13 New Transducers Limited Acoustic device
SE523321C2 (en) * 2002-06-20 2004-04-13 Covial Device Ab Method and apparatus for sensing and indicating acoustic emission
JP2005236352A (en) * 2004-02-17 2005-09-02 Authentic Ltd Panel type speaker for display device
WO2005101899A2 (en) 2004-04-16 2005-10-27 New Transducers Limited Acoustic device & method of making acoustic device
DE102004028664A1 (en) * 2004-06-12 2006-01-19 Puren Gmbh Vibration body of a speaker system
GB0414082D0 (en) * 2004-06-24 2004-07-28 New Transducers Ltd Bending wave devices
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
ITMI20051106A1 (en) * 2005-06-13 2006-12-14 Enrico Ciresa S R L SOUND PANEL FOR THE DIFFUSION OF SOUNDS AND MUSIC AND ITS PROCESS OF MANUFACTURING.
JP4779526B2 (en) * 2005-09-15 2011-09-28 日本電気株式会社 Panel speaker
JP2009516460A (en) * 2005-11-14 2009-04-16 エヌエックスピー ビー ヴィ Asymmetric movable system of piezoelectric speaker and asymmetric speaker
GB0601076D0 (en) 2006-01-19 2006-03-01 New Transducers Ltd Acoustic device and method of making acoustic device
JP5541022B2 (en) * 2010-09-10 2014-07-09 株式会社村田製作所 Vibration device
JP2012119882A (en) * 2010-11-30 2012-06-21 Murata Mfg Co Ltd Vibration device
DE102013010654A1 (en) 2013-06-26 2014-12-31 Tobias Weiss Bending wave loudspeaker
DE102014012327B3 (en) 2014-08-20 2015-12-03 Helge Bots Soundboard for improving the sound characteristics of conventional loudspeakers
GB2539029B (en) * 2015-06-04 2017-06-07 Amina Tech Ltd Distributed mode loudspeaker damping oscillations within exciter feet
DE102015217778B4 (en) * 2015-09-17 2019-05-29 Robert Bosch Gmbh Acoustic sensor with a membrane and an electroacoustic transducer
GB2551723B (en) * 2016-06-27 2018-11-28 Amina Tech Limited Speaker Panel
GB2564061B (en) * 2016-06-27 2020-12-16 Amina Tech Limited Speaker panel
US10264348B1 (en) * 2017-12-29 2019-04-16 Nvf Tech Ltd Multi-resonant coupled system for flat panel actuation
DE102018106333B4 (en) * 2018-03-19 2025-03-13 HELLA GmbH & Co. KGaA Sensor device for detecting sound, in particular for detecting structure-borne sound on a vehicle
EP3837859B1 (en) * 2018-08-14 2024-10-02 Wing Acoustics Limited Systems methods and devices relating to audio transducers
GB2586959B (en) * 2019-08-08 2021-10-13 Amina Tech Limited Distributed mode loudspeaker
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
KR20230004191A (en) * 2021-06-30 2023-01-06 엘지디스플레이 주식회사 Sound apparatus and sound system comprising the same
WO2023247017A1 (en) * 2022-06-21 2023-12-28 Huawei Technologies Co., Ltd. Vibratory system comprising a vibratory panel with an acoustic black hole structure
CN119224126A (en) * 2024-09-23 2024-12-31 北京工业大学 An acoustic emission detection device for early bolt loosening

Family Cites Families (5)

* 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
JP3034952B2 (en) * 1990-08-04 2000-04-17 イギリス国 Panel type speaker
US5425107A (en) * 1992-04-09 1995-06-13 Bertagni Electronic Sound Transducers, International Corporation Planar-type loudspeaker with dual density diaphragm
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

Also Published As

Publication number Publication date
DE69915083T2 (en) 2004-10-14
ZA200100759B (en) 2001-08-27
NO20011080D0 (en) 2001-03-02
CN1157998C (en) 2004-07-14
WO2000015000A1 (en) 2000-03-16
IL141634A0 (en) 2002-03-10
HK1034407A1 (en) 2001-10-19
SK2842001A3 (en) 2001-09-11
ATE260534T1 (en) 2004-03-15
AR020361A1 (en) 2002-05-08
HUP0103191A2 (en) 2001-12-28
EP1110426A1 (en) 2001-06-27
BR9913391A (en) 2001-05-22
KR20010074943A (en) 2001-08-09
EA002629B1 (en) 2002-08-29
NO20011080L (en) 2001-05-02
EP1110426B1 (en) 2004-02-25
TR200100682T2 (en) 2001-10-22
UY25689A1 (en) 1999-11-17
AU5524299A (en) 2000-03-27
CN1317220A (en) 2001-10-10
PE20001147A1 (en) 2000-11-06
DE69915083D1 (en) 2004-04-01
YU17201A (en) 2003-07-07
JP2002524994A (en) 2002-08-06
BG105261A (en) 2001-08-31
CA2342764A1 (en) 2000-03-16
EA200100303A1 (en) 2001-08-27
ID28655A (en) 2001-06-21
GB9818959D0 (en) 1998-10-21
TW465252B (en) 2001-11-21

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Legal Events

Date Code Title Description
DISC Decisions on discontinuance of the proceedings (taken after the publication of the particulars of the applications)