GB2368486A - Loudspeaker - Google Patents
LoudspeakerInfo
- Publication number
- GB2368486A GB2368486A GB0204303A GB0204303A GB2368486A GB 2368486 A GB2368486 A GB 2368486A GB 0204303 A GB0204303 A GB 0204303A GB 0204303 A GB0204303 A GB 0204303A GB 2368486 A GB2368486 A GB 2368486A
- Authority
- GB
- United Kingdom
- Prior art keywords
- panel
- exciters
- bending waves
- loudspeaker
- produce
- 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.)
- Granted
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)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
Loudspeaker system comprising a panel capable of supporting bending waves and two exciters mounted on the panel for exciting bending waves in the panel to produce an acoustic output, each of said two exciters being adapted for connection to respective independent sources of drive signals.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0019701A GB0019701D0 (en) | 2000-08-11 | 2000-08-11 | Loudspeaker |
PCT/GB2001/003520 WO2002015638A2 (en) | 2000-08-11 | 2001-08-06 | Loudspeaker using a plurality of exciters |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0204303D0 GB0204303D0 (en) | 2002-04-10 |
GB2368486A true GB2368486A (en) | 2002-05-01 |
GB2368486B GB2368486B (en) | 2004-03-03 |
Family
ID=9897380
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0019701A Ceased GB0019701D0 (en) | 2000-08-11 | 2000-08-11 | Loudspeaker |
GB0204303A Expired - Fee Related GB2368486B (en) | 2000-08-11 | 2001-08-06 | Loudspeaker |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0019701A Ceased GB0019701D0 (en) | 2000-08-11 | 2000-08-11 | Loudspeaker |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU2001276512A1 (en) |
GB (2) | GB0019701D0 (en) |
WO (1) | WO2002015638A2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2427320A (en) * | 2005-06-14 | 2006-12-20 | Amina Technologies Ltd | Bending wave loudspeaker driven from multiple, different sources |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
UA51671C2 (en) * | 1995-09-02 | 2002-12-16 | Нью Транзд'Юсез Лімітед | Acoustic device |
IL136820A0 (en) * | 1998-01-20 | 2001-06-14 | New Transducers Ltd | Active acoustic devices comprising panel members |
GB9818719D0 (en) * | 1998-08-28 | 1998-10-21 | New Transducers Ltd | Vubration exciter |
GB9826164D0 (en) * | 1998-11-30 | 1999-01-20 | New Transducers Ltd | Acoustic devices |
-
2000
- 2000-08-11 GB GB0019701A patent/GB0019701D0/en not_active Ceased
-
2001
- 2001-08-06 AU AU2001276512A patent/AU2001276512A1/en not_active Abandoned
- 2001-08-06 WO PCT/GB2001/003520 patent/WO2002015638A2/en active Application Filing
- 2001-08-06 GB GB0204303A patent/GB2368486B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2368486B (en) | 2004-03-03 |
GB0019701D0 (en) | 2000-09-27 |
GB0204303D0 (en) | 2002-04-10 |
WO2002015638A3 (en) | 2002-11-14 |
AU2001276512A1 (en) | 2002-02-25 |
WO2002015638A2 (en) | 2002-02-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20050806 |