GB0206936D0 - Acoustic devices - Google Patents
Acoustic devicesInfo
- Publication number
- GB0206936D0 GB0206936D0 GBGB0206936.7A GB0206936A GB0206936D0 GB 0206936 D0 GB0206936 D0 GB 0206936D0 GB 0206936 A GB0206936 A GB 0206936A GB 0206936 D0 GB0206936 D0 GB 0206936D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- acoustic devices
- acoustic
- devices
- 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.)
- Withdrawn
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
- H04R7/045—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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9929731.9A GB9929731D0 (en) | 1999-12-16 | 1999-12-16 | Acoustic device |
PCT/GB2000/004718 WO2001045458A2 (en) | 1999-12-16 | 2000-12-11 | Acoustic devices |
Publications (2)
Publication Number | Publication Date |
---|---|
GB0206936D0 true GB0206936D0 (en) | 2002-05-08 |
GB2370446A GB2370446A (en) | 2002-06-26 |
Family
ID=10866430
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GBGB9929731.9A Ceased GB9929731D0 (en) | 1999-12-16 | 1999-12-16 | Acoustic device |
GB0206936A Withdrawn GB2370446A (en) | 1999-12-16 | 2000-12-11 | Acoustic devices |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GBGB9929731.9A Ceased GB9929731D0 (en) | 1999-12-16 | 1999-12-16 | Acoustic device |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU2193101A (en) |
GB (2) | GB9929731D0 (en) |
WO (1) | WO2001045458A2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7447322B2 (en) | 2004-01-13 | 2008-11-04 | Brookstone Purchasing, Inc. | Speaker having a transparent panel |
FR2918780B1 (en) * | 2007-07-10 | 2010-04-16 | Eads Europ Aeronautic Defence | METHOD FOR PRODUCING AN ACTIVE ACOUSTIC PANEL AND NOISE MITIGATION DEVICE USING SUCH ACTIVE ACOUSTIC PANEL |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4969197A (en) * | 1988-06-10 | 1990-11-06 | Murata Manufacturing | Piezoelectric speaker |
UA51671C2 (en) * | 1995-09-02 | 2002-12-16 | Нью Транзд'Юсез Лімітед | Acoustic device |
GB9705979D0 (en) * | 1997-03-22 | 1997-05-07 | New Transducers Ltd | Passenger vehicles |
IL134749A0 (en) * | 1997-09-03 | 2001-04-30 | New Transducers Ltd | Trim panel comprising an integral acoustic system |
BR9812163A (en) * | 1997-09-04 | 2000-07-18 | New Transducers Ltd | Loudspeakers |
-
1999
- 1999-12-16 GB GBGB9929731.9A patent/GB9929731D0/en not_active Ceased
-
2000
- 2000-12-11 AU AU21931/01A patent/AU2193101A/en not_active Abandoned
- 2000-12-11 WO PCT/GB2000/004718 patent/WO2001045458A2/en active Application Filing
- 2000-12-11 GB GB0206936A patent/GB2370446A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
WO2001045458A2 (en) | 2001-06-21 |
GB9929731D0 (en) | 2000-02-09 |
WO2001045458A3 (en) | 2004-02-19 |
GB2370446A (en) | 2002-06-26 |
AU2193101A (en) | 2001-06-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |