ZA200100759B - Panel form acoustic apparatus using bending waves modes. - Google Patents

Panel form acoustic apparatus using bending waves modes. Download PDF

Info

Publication number: ZA200100759B
Authority: ZA; South Africa
Prior art keywords: panel; coincidence; bending stiffness; bending; exciter
Prior art date: 1998-09-02

Application number

ZA200100759A

Other languages

English (en)

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.)

1998-09-02

Filing date

2001-01-26

Publication date

2001-08-27

2001-01-26 Application filed by New Transducers Ltd filed Critical New Transducers Ltd

2001-08-27 Publication of ZA200100759B publication Critical patent/ZA200100759B/en

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
- H04R7/02—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)
Piezo-Electric Transducers For Audible Bands (AREA)
Building Environments (AREA)

ZA200100759A 1998-09-02 2001-01-26 Panel form acoustic apparatus using bending waves modes. ZA200100759B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GBGB9818959.0A GB9818959D0 (en)	1998-09-02	1998-09-02	Panelform loudspeaker

Publications (1)

Publication Number	Publication Date
ZA200100759B true ZA200100759B (en)	2001-08-27

Family

ID=10838108

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA200100759A ZA200100759B (en)	1998-09-02	2001-01-26	Panel form acoustic apparatus using bending waves modes.

Country Status (27)

Country	Link
EP (1)	EP1110426B1 (pt)
JP (1)	JP2002524994A (pt)
KR (1)	KR20010074943A (pt)
CN (1)	CN1157998C (pt)
AR (1)	AR020361A1 (pt)
AT (1)	ATE260534T1 (pt)
AU (1)	AU5524299A (pt)
BG (1)	BG105261A (pt)
BR (1)	BR9913391A (pt)
CA (1)	CA2342764A1 (pt)
DE (1)	DE69915083T2 (pt)
EA (1)	EA002629B1 (pt)
GB (1)	GB9818959D0 (pt)
HK (1)	HK1034407A1 (pt)
HU (1)	HUP0103191A2 (pt)
ID (1)	ID28655A (pt)
IL (1)	IL141634A0 (pt)
NO (1)	NO20011080L (pt)
PE (1)	PE20001147A1 (pt)
PL (1)	PL346418A1 (pt)
SK (1)	SK2842001A3 (pt)
TR (1)	TR200100682T2 (pt)
TW (1)	TW465252B (pt)
UY (1)	UY25689A1 (pt)
WO (1)	WO2000015000A1 (pt)
YU (1)	YU17201A (pt)
ZA (1)	ZA200100759B (pt)

Families Citing this family (30)

* 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 (de) *	2000-05-23	2004-03-18	Harman Audio Electronic Systems Gmbh	Hochtonlautsprecher
EP1264511A1 (de) *	2001-01-26	2002-12-11	Harman Audio Electronic Systems GmbH	Plattenlautsprecher
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 (sv) *	2002-06-20	2004-04-13	Covial Device Ab	Sätt och anordning för avkänning och indikering av akustisk emission
JP2005236352A (ja) *	2004-02-17	2005-09-02	Authentic Ltd	表示装置用パネル型スピーカ
KR101145494B1 (ko)	2004-04-16	2012-05-15	하이웨이브 테크놀러지스 (유케이) 리미티드	음향 장치 및 음향 장치를 제조하는 방법
DE102004028664A1 (de) *	2004-06-12	2006-01-19	Puren Gmbh	Schwingungskörper eines Lautsprechersystems
GB0414082D0 (en) *	2004-06-24	2004-07-28	New Transducers Ltd	Bending wave devices
DE102004061314A1 (de)	2004-12-20	2006-07-06	Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.	Lautsprechermemebran und Verfahren zum Herstellen einer Lautsprechermembran
ITMI20051106A1 (it) *	2005-06-13	2006-12-14	Enrico Ciresa S R L	Pannello sonoro per la diffusione di suoni e musica e relativo procedimento di fabbricazione.
JP4779526B2 (ja) *	2005-09-15	2011-09-28	日本電気株式会社	パネルスピーカ
JP2009516460A (ja) *	2005-11-14	2009-04-16	エヌエックスピービーヴィ	圧電スピーカ及び非対称スピーカの非対称可動システム
GB0601076D0 (en) *	2006-01-19	2006-03-01	New Transducers Ltd	Acoustic device and method of making acoustic device
JP5541022B2 (ja) *	2010-09-10	2014-07-09	株式会社村田製作所	振動装置
JP2012119882A (ja) *	2010-11-30	2012-06-21	Murata Mfg Co Ltd	振動装置
DE102013010654A1 (de)	2013-06-26	2014-12-31	Tobias Weiss	Biegewellenlautsprecher
DE102014012327B3 (de)	2014-08-20	2015-12-03	Helge Bots	Resonanzplatte zur Verbesserung der Klangcharakteristik herkömmlicher Lautsprecherboxen
GB2539029B (en) *	2015-06-04	2017-06-07	Amina Tech Ltd	Distributed mode loudspeaker damping oscillations within exciter feet
DE102015217778B4 (de) *	2015-09-17	2019-05-29	Robert Bosch Gmbh	Akustischer Sensor mit einer Membran und einem elektroakustischen Wandler
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 (de) *	2018-03-19	2025-03-13	HELLA GmbH & Co. KGaA	Sensorvorrichtung zur Erfassung von Schall, insbesondere zur Erfassung von Körperschall an einem Fahrzeug
GB2586959B (en) *	2019-08-08	2021-10-13	Amina Tech Limited	Distributed mode loudspeaker
WO2022121590A1 (zh) *	2020-12-09	2022-06-16	青岛海信激光显示股份有限公司	发声板及投影屏幕
CN112584288B (zh) *	2020-12-09	2023-03-14	青岛海信激光显示股份有限公司	发声板及投影屏幕
KR20230004191A (ko) *	2021-06-30	2023-01-06	엘지디스플레이 주식회사	음향 장치와 이를 포함하는 음향 시스템
WO2023247017A1 (en) *	2022-06-21	2023-12-28	Huawei Technologies Co., Ltd.	Vibratory system comprising a vibratory panel with an acoustic black hole structure

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
EP0541646B1 (en) *	1990-08-04	1995-01-11	The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern	Panel-form loudspeaker
US5425107A (en) *	1992-04-09	1995-06-13	Bertagni Electronic Sound Transducers, International Corporation	Planar-type loudspeaker with dual density diaphragm
UA51671C2 (uk) *	1995-09-02	2002-12-16	Нью Транзд'Юсез Лімітед	Акустичний пристрій
GB9704486D0 (en) *	1997-03-04	1997-04-23	New Transducers Ltd	Acoustic devices etc

1998
- 1998-09-02 GB GBGB9818959.0A patent/GB9818959D0/en not_active Ceased
1999
- 1999-08-26 TW TW088114630A patent/TW465252B/zh active
- 1999-08-31 AR ARP990104362A patent/AR020361A1/es unknown
- 1999-09-01 SK SK284-2001A patent/SK2842001A3/sk unknown
- 1999-09-01 CN CNB998105740A patent/CN1157998C/zh not_active Expired - Fee Related
- 1999-09-01 WO PCT/GB1999/002724 patent/WO2000015000A1/en not_active Application Discontinuation
- 1999-09-01 IL IL14163499A patent/IL141634A0/xx unknown
- 1999-09-01 CA CA002342764A patent/CA2342764A1/en not_active Abandoned
- 1999-09-01 YU YU17201A patent/YU17201A/sh unknown
- 1999-09-01 UY UY25689A patent/UY25689A1/es not_active Application Discontinuation
- 1999-09-01 JP JP2000569609A patent/JP2002524994A/ja active Pending
- 1999-09-01 PL PL99346418A patent/PL346418A1/xx unknown
- 1999-09-01 TR TR2001/00682T patent/TR200100682T2/xx unknown
- 1999-09-01 DE DE69915083T patent/DE69915083T2/de not_active Expired - Fee Related
- 1999-09-01 AT AT99941742T patent/ATE260534T1/de not_active IP Right Cessation
- 1999-09-01 BR BR9913391-1A patent/BR9913391A/pt not_active Application Discontinuation
- 1999-09-01 ID IDW20010334A patent/ID28655A/id unknown
- 1999-09-01 EA EA200100303A patent/EA002629B1/ru not_active IP Right Cessation
- 1999-09-01 HU HU0103191A patent/HUP0103191A2/hu unknown
- 1999-09-01 AU AU55242/99A patent/AU5524299A/en not_active Abandoned
- 1999-09-01 EP EP99941742A patent/EP1110426B1/en not_active Expired - Lifetime
- 1999-09-01 KR KR1020017002788A patent/KR20010074943A/ko not_active Application Discontinuation
- 1999-09-02 PE PE1999000884A patent/PE20001147A1/es not_active Application Discontinuation
2001
- 2001-01-26 ZA ZA200100759A patent/ZA200100759B/en unknown
- 2001-02-16 BG BG105261A patent/BG105261A/bg unknown
- 2001-03-02 NO NO20011080A patent/NO20011080L/no not_active Application Discontinuation
- 2001-07-07 HK HK01104675A patent/HK1034407A1/xx not_active IP Right Cessation

Also Published As

Publication number	Publication date
EA200100303A1 (ru)	2001-08-27
NO20011080L (no)	2001-05-02
DE69915083T2 (de)	2004-10-14
EA002629B1 (ru)	2002-08-29
EP1110426A1 (en)	2001-06-27
SK2842001A3 (en)	2001-09-11
IL141634A0 (en)	2002-03-10
UY25689A1 (es)	1999-11-17
DE69915083D1 (de)	2004-04-01
CN1157998C (zh)	2004-07-14
BR9913391A (pt)	2001-05-22
WO2000015000A1 (en)	2000-03-16
KR20010074943A (ko)	2001-08-09
GB9818959D0 (en)	1998-10-21
CN1317220A (zh)	2001-10-10
NO20011080D0 (no)	2001-03-02
ATE260534T1 (de)	2004-03-15
BG105261A (bg)	2001-08-31
HUP0103191A2 (hu)	2001-12-28
AU5524299A (en)	2000-03-27
JP2002524994A (ja)	2002-08-06
TW465252B (en)	2001-11-21
PL346418A1 (en)	2002-02-11
YU17201A (sh)	2003-07-07
ID28655A (id)	2001-06-21
HK1034407A1 (en)	2001-10-19
PE20001147A1 (es)	2000-11-06
AR020361A1 (es)	2002-05-08
CA2342764A1 (en)	2000-03-16
TR200100682T2 (tr)	2001-10-22
EP1110426B1 (en)	2004-02-25

Publication	Publication Date	Title
EP1110426B1 (en)	2004-02-25	Panel form acoustic apparatus using bending waves modes
AU2009241489B2 (en)	2013-08-22	Passive directional acoustic radiating
US20020044668A1 (en)	2002-04-18	Bending wave loudspeaker
EP1723826B1 (en)	2007-08-29	Loudspeakers
US6839444B2 (en)	2005-01-04	Loudspeakers
US20090245546A1 (en)	2009-10-01	Medium/Low Band Sound Reinforcement Film-Type Audio-Speaker Using Piezoelectric Film as Vibration Element
US20070278033A1 (en)	2007-12-06	Acoustic Device And Method Of Making Acoustic Device
US6694038B1 (en)	2004-02-17	Acoustic device
EP1070437A1 (en)	2001-01-24	Acoustic device
AU2002223800A1 (en)	2002-06-11	Loudspeakers
EP4167594B1 (en)	2025-03-26	Flat panel loudspeaker
WO2001010168A2 (en)	2001-02-08	Loudspeaker
WO2000028780A1 (en)	2000-05-18	Loudspeakers comprising a phase uncorrelated diffuse sound source
JP2004506360A (ja)	2004-02-26	撓み波ラウドスピーカ
MXPA01002270A (en)	2002-02-26	Panel form acoustic apparatus using bending waves modes
CZ2001757A3 (cs)	2001-06-13	Akustické zařízení ve tvaru panelu používající vidy ohybového vlnění
GB2370939A (en)	2002-07-10	A curved or cylindrical bending wave loudspeaker panel
MXPA98001592A (es)	1998-11-12	Altavoces que comprenden elementos de radiacion acustica en forma de panel