WO2002013574A3 - Bending wave loudspeaker - Google Patents
Bending wave loudspeaker Download PDFInfo
- Publication number
- WO2002013574A3 WO2002013574A3 PCT/GB2001/003310 GB0103310W WO0213574A3 WO 2002013574 A3 WO2002013574 A3 WO 2002013574A3 GB 0103310 W GB0103310 W GB 0103310W WO 0213574 A3 WO0213574 A3 WO 0213574A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- frequency
- panel
- predetermined frequency
- bending wave
- bending waves
- Prior art date
Links
- 238000005452 bending Methods 0.000 title abstract 4
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
- H04R7/045—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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
- H04R3/14—Cross-over networks
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Circuit For Audible Band Transducer (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2001275698A AU2001275698A1 (en) | 2000-08-03 | 2001-07-24 | Bending wave loudspeaker |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0018997.7 | 2000-08-03 | ||
GB0018997A GB0018997D0 (en) | 2000-08-03 | 2000-08-03 | Bending wave loudspeaker |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2002013574A2 WO2002013574A2 (en) | 2002-02-14 |
WO2002013574A3 true WO2002013574A3 (en) | 2002-11-14 |
Family
ID=9896857
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB2001/003310 WO2002013574A2 (en) | 2000-08-03 | 2001-07-24 | Bending wave loudspeaker |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU2001275698A1 (en) |
GB (1) | GB0018997D0 (en) |
WO (1) | WO2002013574A2 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2517721A (en) * | 2013-08-29 | 2015-03-04 | Nokia Corp | Speaker apparatus |
CA2995833C (en) * | 2015-08-20 | 2024-01-23 | University Of Rochester | Systems and methods for controlling plate loudspeakers using modal crossover networks |
JP6907204B2 (en) | 2015-11-25 | 2021-07-21 | ユニバーシティ オブ ロチェスター | Systems and methods for generating audio scenes by controlling panel vibration spatially and temporally |
US10966042B2 (en) | 2015-11-25 | 2021-03-30 | The University Of Rochester | Method for rendering localized vibrations on panels |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997009842A2 (en) * | 1995-09-02 | 1997-03-13 | New Transducers Limited | Acoustic device |
WO1998028942A1 (en) * | 1996-12-20 | 1998-07-02 | Nct Group, Inc. | Electroacoustic transducers comprising vibrating panels |
EP0936842A1 (en) * | 1995-09-25 | 1999-08-18 | Noise Cancellation Technologies, Inc. | Piezo speaker for improved passenger cabin audio systems |
WO2000033612A2 (en) * | 1998-11-30 | 2000-06-08 | New Transducers Limited | Bending wave acoustic devices |
-
2000
- 2000-08-03 GB GB0018997A patent/GB0018997D0/en not_active Ceased
-
2001
- 2001-07-24 AU AU2001275698A patent/AU2001275698A1/en not_active Abandoned
- 2001-07-24 WO PCT/GB2001/003310 patent/WO2002013574A2/en active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997009842A2 (en) * | 1995-09-02 | 1997-03-13 | New Transducers Limited | Acoustic device |
EP0936842A1 (en) * | 1995-09-25 | 1999-08-18 | Noise Cancellation Technologies, Inc. | Piezo speaker for improved passenger cabin audio systems |
WO1998028942A1 (en) * | 1996-12-20 | 1998-07-02 | Nct Group, Inc. | Electroacoustic transducers comprising vibrating panels |
WO2000033612A2 (en) * | 1998-11-30 | 2000-06-08 | New Transducers Limited | Bending wave acoustic devices |
Also Published As
Publication number | Publication date |
---|---|
WO2002013574A2 (en) | 2002-02-14 |
GB0018997D0 (en) | 2000-09-20 |
AU2001275698A1 (en) | 2002-02-18 |
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