GB2341742B - Acoustic absorber and emitter - Google Patents
Acoustic absorber and emitterInfo
- Publication number
- GB2341742B GB2341742B GB9820561A GB9820561A GB2341742B GB 2341742 B GB2341742 B GB 2341742B GB 9820561 A GB9820561 A GB 9820561A GB 9820561 A GB9820561 A GB 9820561A GB 2341742 B GB2341742 B GB 2341742B
- Authority
- GB
- United Kingdom
- Prior art keywords
- emitter
- acoustic absorber
- absorber
- 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.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/26—Sound-focusing or directing, e.g. scanning
- G10K11/28—Sound-focusing or directing, e.g. scanning using reflection, e.g. parabolic reflectors
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
- G10K11/025—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators horns for impedance matching
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Building Environments (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9820561A GB2341742B (en) | 1998-09-21 | 1998-09-21 | Acoustic absorber and emitter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9820561A GB2341742B (en) | 1998-09-21 | 1998-09-21 | Acoustic absorber and emitter |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9820561D0 GB9820561D0 (en) | 1998-11-11 |
GB2341742A GB2341742A (en) | 2000-03-22 |
GB2341742B true GB2341742B (en) | 2003-04-23 |
Family
ID=10839223
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9820561A Expired - Fee Related GB2341742B (en) | 1998-09-21 | 1998-09-21 | Acoustic absorber and emitter |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2341742B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2011113A4 (en) | 2006-04-19 | 2012-06-20 | Commw Scient Ind Res Org | Ultrasonic transducer systems |
DE102010021879A1 (en) * | 2010-05-28 | 2011-12-01 | Frank Held | Loudspeaker device with circumferential, funnel-shaped sound outlet opening |
GB2605371A (en) * | 2021-03-29 | 2022-10-05 | Bae Systems Plc | Acoustic absorbing structures |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB744167A (en) * | 1952-11-19 | 1956-02-01 | Tannoy Ltd | Improvements relating to loudspeakers |
GB1470036A (en) * | 1975-01-17 | 1977-04-14 | Lockheed Aircraft Corp | Dual range sound absorber |
US5185504A (en) * | 1992-06-30 | 1993-02-09 | Jen Wang H | Acoustic board |
WO1994011222A1 (en) * | 1992-11-07 | 1994-05-26 | Helmut Pelzer | Moulded article designed to absorb airborne sound |
US5491310A (en) * | 1990-08-16 | 1996-02-13 | Jen; Wang H. | Acoustic board |
GB2300081A (en) * | 1995-04-20 | 1996-10-23 | Dornier Gmbh | Acoustic absorber |
-
1998
- 1998-09-21 GB GB9820561A patent/GB2341742B/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB744167A (en) * | 1952-11-19 | 1956-02-01 | Tannoy Ltd | Improvements relating to loudspeakers |
GB1470036A (en) * | 1975-01-17 | 1977-04-14 | Lockheed Aircraft Corp | Dual range sound absorber |
US5491310A (en) * | 1990-08-16 | 1996-02-13 | Jen; Wang H. | Acoustic board |
US5185504A (en) * | 1992-06-30 | 1993-02-09 | Jen Wang H | Acoustic board |
WO1994011222A1 (en) * | 1992-11-07 | 1994-05-26 | Helmut Pelzer | Moulded article designed to absorb airborne sound |
GB2300081A (en) * | 1995-04-20 | 1996-10-23 | Dornier Gmbh | Acoustic absorber |
Also Published As
Publication number | Publication date |
---|---|
GB2341742A (en) | 2000-03-22 |
GB9820561D0 (en) | 1998-11-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
HK1066686A1 (en) | Noise absorber | |
IL132685A0 (en) | An acoustic object | |
ZA981662B (en) | Acoustic devices | |
IL128869A0 (en) | Pyrozolopyrimidines and pyrazolotriazines | |
GB9826164D0 (en) | Acoustic devices | |
GB9812225D0 (en) | Acoustic devices | |
HUT76116A (en) | Vibration and sound absorber | |
GB2340913B (en) | Air damper | |
GB2321150B (en) | Low noise amplifier | |
TW349616U (en) | Damper | |
PL340407A1 (en) | Sound absorbing screen | |
GB2341742B (en) | Acoustic absorber and emitter | |
GB9410638D0 (en) | Acoustic undertray | |
TW337320U (en) | Damper | |
PL106156U1 (en) | Sound absorbing screen | |
GB9715558D0 (en) | Acoustic absorption arrangements | |
GB9711875D0 (en) | Noise damper | |
PL106204U1 (en) | Sound absorbing screen | |
GB9708017D0 (en) | Fender and damper | |
GB9823108D0 (en) | Sound absorbing structures | |
IL125296A0 (en) | Acoustic amaging | |
SI1123396T1 (en) | Minimal promoters and uses thereof | |
TW298096U (en) | Frisbee with sound effect | |
HRP980326B1 (en) | An entartaining and tranquilizing toy | |
PL322412A1 (en) | Sound absorbing wall |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20040921 |