GB0128566D0 - Acoustic device - Google Patents
Acoustic deviceInfo
- Publication number
- GB0128566D0 GB0128566D0 GBGB0128566.7A GB0128566A GB0128566D0 GB 0128566 D0 GB0128566 D0 GB 0128566D0 GB 0128566 A GB0128566 A GB 0128566A GB 0128566 D0 GB0128566 D0 GB 0128566D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- acoustic device
- acoustic
- 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- Withdrawn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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
- H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
- H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
-
- 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
- H04R7/06—Plane diaphragms comprising a plurality of sections or layers
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9914507.0A GB9914507D0 (en) | 1999-06-23 | 1999-06-23 | Acoustic device |
PCT/GB2000/002229 WO2000079833A2 (en) | 1999-06-23 | 2000-06-20 | Distributed mode acoustic device |
Publications (2)
Publication Number | Publication Date |
---|---|
GB0128566D0 true GB0128566D0 (en) | 2002-01-23 |
GB2366682A GB2366682A (en) | 2002-03-13 |
Family
ID=10855793
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GBGB9914507.0A Ceased GB9914507D0 (en) | 1999-06-23 | 1999-06-23 | Acoustic device |
GB0128566A Withdrawn GB2366682A (en) | 1999-06-23 | 2000-06-20 | Acoustic device |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GBGB9914507.0A Ceased GB9914507D0 (en) | 1999-06-23 | 1999-06-23 | Acoustic device |
Country Status (4)
Country | Link |
---|---|
AU (1) | AU5413300A (en) |
GB (2) | GB9914507D0 (en) |
TW (1) | TW484335B (en) |
WO (1) | WO2000079833A2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7551062B2 (en) | 2005-03-14 | 2009-06-23 | American Technology Corporation | Directional acoustic device |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1086464B (en) * | 1977-09-06 | 1985-05-28 | Selmin Sas | METHOD AND DEVICES FOR OMNIDIRECTIONAL IRRADIATION OF SOUND WAVES |
WO1997009847A1 (en) * | 1995-09-02 | 1997-03-13 | New Transducers Limited | Panel-form loudspeakers |
GB9709969D0 (en) * | 1997-05-17 | 1997-07-09 | New Transducers Ltd | An acoustic object |
GB9716412D0 (en) * | 1997-08-05 | 1997-10-08 | New Transducers Ltd | Sound radiating devices/systems |
-
1999
- 1999-06-23 GB GBGB9914507.0A patent/GB9914507D0/en not_active Ceased
-
2000
- 2000-06-20 WO PCT/GB2000/002229 patent/WO2000079833A2/en active Application Filing
- 2000-06-20 AU AU54133/00A patent/AU5413300A/en not_active Abandoned
- 2000-06-20 GB GB0128566A patent/GB2366682A/en not_active Withdrawn
- 2000-06-22 TW TW89112265A patent/TW484335B/en active
Also Published As
Publication number | Publication date |
---|---|
GB9914507D0 (en) | 1999-08-25 |
GB2366682A (en) | 2002-03-13 |
TW484335B (en) | 2002-04-21 |
WO2000079833A3 (en) | 2001-06-28 |
WO2000079833A2 (en) | 2000-12-28 |
AU5413300A (en) | 2001-01-09 |
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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) |