DE4011658C2 - - Google Patents
Info
- Publication number
- DE4011658C2 DE4011658C2 DE4011658A DE4011658A DE4011658C2 DE 4011658 C2 DE4011658 C2 DE 4011658C2 DE 4011658 A DE4011658 A DE 4011658A DE 4011658 A DE4011658 A DE 4011658A DE 4011658 C2 DE4011658 C2 DE 4011658C2
- Authority
- DE
- Germany
- Prior art keywords
- noise
- generator according
- acoustic
- noise generator
- output connections
- 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
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
-
- 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
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/10—Applications
- G10K2210/112—Ducts
-
- 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
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/30—Means
- G10K2210/301—Computational
- G10K2210/3028—Filtering, e.g. Kalman filters or special analogue or digital filters
-
- 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
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/30—Means
- G10K2210/321—Physical
- G10K2210/3212—Actuator details, e.g. composition or microstructure
- G10K2210/32121—Fluid amplifiers, e.g. modulated gas flow speaker using electrovalves
-
- 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
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/30—Means
- G10K2210/321—Physical
- G10K2210/3227—Resonators
- G10K2210/32272—Helmholtz resonators
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4011658A DE4011658A1 (de) | 1990-04-11 | 1990-04-11 | Antischallgenerator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4011658A DE4011658A1 (de) | 1990-04-11 | 1990-04-11 | Antischallgenerator |
Publications (2)
Publication Number | Publication Date |
---|---|
DE4011658A1 DE4011658A1 (de) | 1991-10-17 |
DE4011658C2 true DE4011658C2 (fr) | 1993-02-11 |
Family
ID=6404180
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE4011658A Granted DE4011658A1 (de) | 1990-04-11 | 1990-04-11 | Antischallgenerator |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE4011658A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202014008783U1 (de) | 2014-11-05 | 2014-12-12 | Gunter Henkel | Schlafhaube - Vorrichtung zur Reduzierung bzw. Eliminierung von Schnarch- und Schlafgeräuschen |
DE102014016397A1 (de) | 2014-11-05 | 2016-05-12 | Gunter Henkel | Schlafhaube : Vorrichtung zur Reduzierung bzw. Eliminierung von Schnarch- und Schlafgeräuschen |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2729781B1 (fr) * | 1995-01-23 | 1997-04-18 | Bertin & Cie | Dispositif de controle actif du bruit |
US6009180A (en) * | 1996-09-17 | 1999-12-28 | The Boeing Company | Fluidic element noise and vibration control constructs and methods |
DE19640980B4 (de) * | 1996-10-04 | 2008-06-19 | Alstom | Vorrichtung zur Dämpfung von thermoakustischen Schwingungen in einer Brennkammer |
DE10049884C1 (de) * | 2000-10-10 | 2002-04-04 | Horst Schmitt | Druckluft als Schallschutzvorrichtung |
FR3009122B1 (fr) * | 2013-07-29 | 2017-12-15 | Boeing Co | Barriere et absorbeur acoustiques hybrides |
WO2021197686A1 (fr) | 2020-04-02 | 2021-10-07 | HELLA GmbH & Co. KGaA | Silencieux pour pompe à vide, et pompe à vide dotée dudit silencieux |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1456018A (en) * | 1972-11-24 | 1976-11-17 | Nat Res Dev | Active control of sound waves |
DE2507428A1 (de) * | 1974-02-22 | 1975-08-28 | Lawson Tancred Henry | Verfahren und vorrichtung zur unterdrueckung oder abschwaechung der schallfortpflanzung |
-
1990
- 1990-04-11 DE DE4011658A patent/DE4011658A1/de active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202014008783U1 (de) | 2014-11-05 | 2014-12-12 | Gunter Henkel | Schlafhaube - Vorrichtung zur Reduzierung bzw. Eliminierung von Schnarch- und Schlafgeräuschen |
DE102014016397A1 (de) | 2014-11-05 | 2016-05-12 | Gunter Henkel | Schlafhaube : Vorrichtung zur Reduzierung bzw. Eliminierung von Schnarch- und Schlafgeräuschen |
Also Published As
Publication number | Publication date |
---|---|
DE4011658A1 (de) | 1991-10-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
D2 | Grant after examination | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: DEUTSCHE AEROSPACE AG, 8000 MUENCHEN, DE |
|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: DAIMLER-BENZ AEROSPACE AKTIENGESELLSCHAFT, 80804 M |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: DAIMLERCHRYSLER AEROSPACE AKTIENGESELLSCHAFT, 8099 |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: DAIMLERCHRYSLER AEROSPACE AG, 85521 OTTOBRUNN, DE |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: EADS DEUTSCHLAND GMBH, 85521 OTTOBRUNN, DE |
|
8339 | Ceased/non-payment of the annual fee |