CA2342764A1 - Panel form acoustic apparatus using bending waves modes - Google Patents
Panel form acoustic apparatus using bending waves modes Download PDFInfo
- Publication number
- CA2342764A1 CA2342764A1 CA002342764A CA2342764A CA2342764A1 CA 2342764 A1 CA2342764 A1 CA 2342764A1 CA 002342764 A CA002342764 A CA 002342764A CA 2342764 A CA2342764 A CA 2342764A CA 2342764 A1 CA2342764 A1 CA 2342764A1
- Authority
- CA
- Canada
- Prior art keywords
- panel
- exciter
- bending stiffness
- bending
- frequency
- 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
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
- H04R7/02—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)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9818959.0 | 1998-09-02 | ||
| 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 |
|---|---|
| CA2342764A1 true CA2342764A1 (en) | 2000-03-16 |
Family
ID=10838108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002342764A Abandoned CA2342764A1 (en) | 1998-09-02 | 1999-09-01 | Panel form acoustic apparatus using bending waves modes |
Country Status (27)
| Country | Link |
|---|---|
| EP (1) | EP1110426B1 (es) |
| JP (1) | JP2002524994A (es) |
| KR (1) | KR20010074943A (es) |
| CN (1) | CN1157998C (es) |
| AR (1) | AR020361A1 (es) |
| AT (1) | ATE260534T1 (es) |
| AU (1) | AU5524299A (es) |
| BG (1) | BG105261A (es) |
| BR (1) | BR9913391A (es) |
| CA (1) | CA2342764A1 (es) |
| DE (1) | DE69915083T2 (es) |
| EA (1) | EA002629B1 (es) |
| GB (1) | GB9818959D0 (es) |
| HK (1) | HK1034407A1 (es) |
| HU (1) | HUP0103191A2 (es) |
| ID (1) | ID28655A (es) |
| IL (1) | IL141634A0 (es) |
| NO (1) | NO20011080L (es) |
| PE (1) | PE20001147A1 (es) |
| PL (1) | PL346418A1 (es) |
| SK (1) | SK2842001A3 (es) |
| TR (1) | TR200100682T2 (es) |
| TW (1) | TW465252B (es) |
| UY (1) | UY25689A1 (es) |
| WO (1) | WO2000015000A1 (es) |
| YU (1) | YU17201A (es) |
| ZA (1) | ZA200100759B (es) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002060218A1 (de) * | 2001-01-26 | 2002-08-01 | Harman Audio Electronic Systems Gmbh | Plattenlautsprecher |
| 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 |
| 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 |
| CA2560659A1 (en) | 2004-04-16 | 2005-10-27 | New Transducers Limited | Acoustic device & method of making acoustic device |
| 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 |
| EP1952667A1 (en) | 2005-11-14 | 2008-08-06 | Nxp B.V. | Asymmetrical moving system for a piezoelectric speaker and asymmetrical speaker |
| 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 |
| DE102018106333A1 (de) * | 2018-03-19 | 2019-09-19 | 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 |
| 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 |
| 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 |
| 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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3247925A (en) * | 1962-03-08 | 1966-04-26 | Lord Corp | Loudspeaker |
| DE69106712T2 (de) * | 1990-08-04 | 1995-06-08 | Secr Defence Brit | Paneelförmiger lautsprecher. |
| 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 TR TR2001/00682T patent/TR200100682T2/xx unknown
- 1999-09-01 YU YU17201A patent/YU17201A/sh unknown
- 1999-09-01 AU AU55242/99A patent/AU5524299A/en not_active Abandoned
- 1999-09-01 CN CNB998105740A patent/CN1157998C/zh not_active Expired - Fee Related
- 1999-09-01 EP EP99941742A patent/EP1110426B1/en not_active Expired - Lifetime
- 1999-09-01 ID IDW20010334A patent/ID28655A/id unknown
- 1999-09-01 DE DE69915083T patent/DE69915083T2/de not_active Expired - Fee Related
- 1999-09-01 WO PCT/GB1999/002724 patent/WO2000015000A1/en not_active Application Discontinuation
- 1999-09-01 KR KR1020017002788A patent/KR20010074943A/ko not_active Application Discontinuation
- 1999-09-01 PL PL99346418A patent/PL346418A1/xx unknown
- 1999-09-01 HU HU0103191A patent/HUP0103191A2/hu unknown
- 1999-09-01 BR BR9913391-1A patent/BR9913391A/pt not_active Application Discontinuation
- 1999-09-01 CA CA002342764A patent/CA2342764A1/en not_active Abandoned
- 1999-09-01 JP JP2000569609A patent/JP2002524994A/ja active Pending
- 1999-09-01 EA EA200100303A patent/EA002629B1/ru not_active IP Right Cessation
- 1999-09-01 SK SK284-2001A patent/SK2842001A3/sk unknown
- 1999-09-01 IL IL14163499A patent/IL141634A0/xx unknown
- 1999-09-01 UY UY25689A patent/UY25689A1/es not_active Application Discontinuation
- 1999-09-01 AT AT99941742T patent/ATE260534T1/de not_active IP Right Cessation
- 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 |
|---|---|
| EP1110426A1 (en) | 2001-06-27 |
| PL346418A1 (en) | 2002-02-11 |
| TR200100682T2 (tr) | 2001-10-22 |
| JP2002524994A (ja) | 2002-08-06 |
| BR9913391A (pt) | 2001-05-22 |
| ATE260534T1 (de) | 2004-03-15 |
| EA200100303A1 (ru) | 2001-08-27 |
| NO20011080D0 (no) | 2001-03-02 |
| CN1317220A (zh) | 2001-10-10 |
| CN1157998C (zh) | 2004-07-14 |
| ZA200100759B (en) | 2001-08-27 |
| HUP0103191A2 (hu) | 2001-12-28 |
| GB9818959D0 (en) | 1998-10-21 |
| IL141634A0 (en) | 2002-03-10 |
| EP1110426B1 (en) | 2004-02-25 |
| AU5524299A (en) | 2000-03-27 |
| DE69915083T2 (de) | 2004-10-14 |
| KR20010074943A (ko) | 2001-08-09 |
| NO20011080L (no) | 2001-05-02 |
| DE69915083D1 (de) | 2004-04-01 |
| TW465252B (en) | 2001-11-21 |
| ID28655A (id) | 2001-06-21 |
| WO2000015000A1 (en) | 2000-03-16 |
| EA002629B1 (ru) | 2002-08-29 |
| HK1034407A1 (en) | 2001-10-19 |
| UY25689A1 (es) | 1999-11-17 |
| BG105261A (bg) | 2001-08-31 |
| PE20001147A1 (es) | 2000-11-06 |
| AR020361A1 (es) | 2002-05-08 |
| YU17201A (sh) | 2003-07-07 |
| SK2842001A3 (en) | 2001-09-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |