ES2162292T3 - Amortiguador de ruido reactivo. - Google Patents
Amortiguador de ruido reactivo.Info
- Publication number
- ES2162292T3 ES2162292T3 ES97923077T ES97923077T ES2162292T3 ES 2162292 T3 ES2162292 T3 ES 2162292T3 ES 97923077 T ES97923077 T ES 97923077T ES 97923077 T ES97923077 T ES 97923077T ES 2162292 T3 ES2162292 T3 ES 2162292T3
- Authority
- ES
- Spain
- Prior art keywords
- membrane
- sensor
- shock absorber
- signal
- space
- 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 - Lifetime
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
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1785—Methods, e.g. algorithms; Devices
- G10K11/17857—Geometric disposition, e.g. placement of microphones
-
- 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
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1787—General system configurations
- G10K11/17875—General system configurations using an error signal without a reference signal, e.g. pure feedback
-
- 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
- G10K2210/3026—Feedback
-
- 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
- G10K2210/3217—Collocated sensor and cancelling actuator, e.g. "virtual earth" designs
-
- 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
- G10K2210/32271—Active resonators
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Valve Device For Special Equipments (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Duct Arrangements (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
EL INVENTO SE REFIERE A UN AMORTIGUADOR ACUSTICO REACTIVO CON UN SENSOR PARA LA ABSORCION DE RUIDO EN UN RECINTO, POR EJEMPLO UN CANAL, FORMADO POR UN AMPLIFICADOR DE SEÑAL (6) PARA LA AMPLIFICACION DE LA SEÑAL CAPTADA, UN CONVERTIDOR ELECTROACUSTICO (7) Y UN RECINTO HUECO (4) CON AL MENOS UNA MEMBRANA (3), DONDE LA MEMBRANA VIBRATIL (3) ES PARTE DE UNA PARED DEL RECINTO, POR EJEMPLO LA PARED DEL CANAL (1), EL SENSOR (5) ESTA COLOCADO EN LA PROXIMIDAD INMEDIATA O JUNTO A LA MEMBRANA (3) Y DETECTA LAS VIBRACIONES DE LA MEMBRANA, Y LA SEÑAL DEL SENSOR AMPLIFICADA E INVERTIDA POR MEDIO DEL AMPLIFICADOR (6) CONTROLA LA VIBRACION DE LA MEMBRANA A TRAVES DEL CONVERTIDOR ELECTROACUSTICO (7).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19619466 | 1996-05-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2162292T3 true ES2162292T3 (es) | 2001-12-16 |
Family
ID=7794315
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES97923077T Expired - Lifetime ES2162292T3 (es) | 1996-05-14 | 1997-05-14 | Amortiguador de ruido reactivo. |
Country Status (9)
Country | Link |
---|---|
US (1) | US6385321B1 (es) |
EP (1) | EP0898774B1 (es) |
AT (1) | ATE203849T1 (es) |
DE (1) | DE59704196D1 (es) |
DK (1) | DK0898774T3 (es) |
ES (1) | ES2162292T3 (es) |
GR (1) | GR3037001T3 (es) |
PT (1) | PT898774E (es) |
WO (1) | WO1997043754A1 (es) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6778673B1 (en) * | 1998-10-28 | 2004-08-17 | Maximilian Hans Hobelsberger | Tunable active sound absorbers |
DE19861018C2 (de) | 1998-12-15 | 2001-06-13 | Fraunhofer Ges Forschung | Gesteuerter akustischer Wellenleiter zur Schalldämpfung |
GB9920883D0 (en) * | 1999-09-03 | 1999-11-10 | Titon Hardware | Ventilation assemblies |
DE10019543C2 (de) * | 2000-04-20 | 2002-03-07 | Fraunhofer Ges Forschung | Zuluftelement |
US6940983B2 (en) * | 2000-05-19 | 2005-09-06 | Siemens Vdo Automotive Inc. | Resonator for active noise attenuation system |
DE102005048905B3 (de) * | 2005-10-10 | 2006-08-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aktiver Kanalschalldämpfer |
DE102006010558A1 (de) * | 2006-03-06 | 2007-09-13 | J. Eberspächer GmbH & Co. KG | Aktiver Schalldämpfer für eine Abgasanlage |
DE102006042224B3 (de) * | 2006-09-06 | 2008-01-17 | J. Eberspächer GmbH & Co. KG | Aktiver Schalldämpfer für eine Abgasanlage |
US7789194B2 (en) * | 2007-04-20 | 2010-09-07 | Cardinal Health 212, Inc. | Acoustic attenuation chamber |
DE102007032600A1 (de) * | 2007-07-11 | 2009-01-15 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Vorrichtung und Verfahren zur Verbesserung der Dämpfung von akustischen Wellen |
DE102009041890A1 (de) | 2009-09-18 | 2011-06-01 | Benteler Automobiltechnik Gmbh | Schalldämpfer und Schalldämpferanordnung |
AT510851B1 (de) * | 2011-03-16 | 2012-07-15 | Schertler Sa | Vibrationserfassungseinrichtung für frequenzen im hörbereich |
WO2014045123A2 (en) * | 2012-09-24 | 2014-03-27 | Actiwave Ab | Control and protection of loudspeakers |
DE102013210709A1 (de) | 2013-06-07 | 2014-12-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Schallstrahler-Anordnung für aktive Schalldämpfer |
FR3043177B1 (fr) | 2015-11-02 | 2019-08-23 | Technofirst | Installation pour la ventilation naturelle d'un local |
FR3043179A1 (fr) | 2015-11-02 | 2017-05-05 | Technofirst | Installation pour la ventilation naturelle d'un local presentant un passage de ventilation associe a un amortisseur de bruit |
FR3043178B1 (fr) | 2015-11-02 | 2019-08-23 | Technofirst | Installation pour la ventilation naturelle d'un local pourvue d'un amortisseur de bruit |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2632474B1 (fr) | 1988-06-01 | 1991-04-26 | Saint Louis Inst | Dispositif d'attenuation active de vibrations et notamment de bruit sans retard acoustique |
US5233137A (en) | 1990-04-25 | 1993-08-03 | Ford Motor Company | Protective anc loudspeaker membrane |
DE4027511C1 (es) * | 1990-08-30 | 1991-10-02 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V., 8000 Muenchen, De | |
US6160892A (en) * | 1993-12-30 | 2000-12-12 | Bbn Corporation | Active muffler |
DE4419933A1 (de) | 1994-06-08 | 1995-12-14 | Gerhard Dr Lindner | Vorrichtung und Verfahren zur Schallerzeugung zum Schallnachweis und zur aktiven Schalldämpfung |
US6078671A (en) * | 1996-09-05 | 2000-06-20 | Ebara Corporation | Silencer for attenuating a sound or noise transmitted through an air passage of a duct |
-
1997
- 1997-05-14 DE DE59704196T patent/DE59704196D1/de not_active Expired - Lifetime
- 1997-05-14 AT AT97923077T patent/ATE203849T1/de active
- 1997-05-14 WO PCT/EP1997/002471 patent/WO1997043754A1/de active IP Right Grant
- 1997-05-14 DK DK97923077T patent/DK0898774T3/da active
- 1997-05-14 EP EP97923077A patent/EP0898774B1/de not_active Expired - Lifetime
- 1997-05-14 PT PT97923077T patent/PT898774E/pt unknown
- 1997-05-14 ES ES97923077T patent/ES2162292T3/es not_active Expired - Lifetime
- 1997-05-14 US US09/180,899 patent/US6385321B1/en not_active Expired - Fee Related
-
2001
- 2001-10-24 GR GR20010401874T patent/GR3037001T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
WO1997043754A1 (de) | 1997-11-20 |
PT898774E (pt) | 2002-01-30 |
GR3037001T3 (en) | 2002-01-31 |
EP0898774B1 (de) | 2001-08-01 |
US6385321B1 (en) | 2002-05-07 |
EP0898774A1 (de) | 1999-03-03 |
DE59704196D1 (de) | 2001-09-06 |
DK0898774T3 (da) | 2001-10-22 |
ATE203849T1 (de) | 2001-08-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES2162292T3 (es) | Amortiguador de ruido reactivo. | |
DK1123635T3 (da) | Implanterbar lydreceptor til høreapparater | |
ATE259197T1 (de) | Künstliche empfindlichkeit | |
WO2004025231A3 (en) | Acoustic sensing device, system and method for monitoring emissions from machinery | |
EP1124218A4 (en) | NOISE REDUCING DEVICE | |
EP0385713A3 (en) | Noise reducing receiver device | |
ATE281582T1 (de) | Druckempfindliche sensoreinrichtung und öffnungs- und verschlussvorrichtung | |
US5812686A (en) | Device for active simultation of an acoustical impedance | |
EP1104222A3 (en) | Hearing aid | |
DE60137349D1 (de) | Ohrterminal für geräuschkontrolle | |
MY117380A (en) | Loudspeaker phase distortion control using velocity feedback | |
CA2281117A1 (en) | Mfb speaker system with controllable speaker vibration characteristic | |
EP0939393A3 (en) | Modular active silencer with port dish | |
DK0953829T3 (da) | Fremgangsmåde til akustisk overvågning af forlöbet af en malkeproces | |
TW370762B (en) | Element for reproducing and/or recording sound | |
EP0999379A3 (en) | Active vibration control | |
KR970016548A (ko) | 밀폐공간내의 소음제어를 위한 방사음압 측정방법 및 그 장치 | |
DE19982826D2 (de) | Tiefton-Membranlautsprecher | |
JPH0367237U (es) | ||
EP0334219A3 (en) | Contact microphone | |
KR960028332A (ko) | 티브이의 자동 음량 조절 장치 | |
KR980004326A (ko) | 전자 방음벽 장치 | |
KR850002942A (ko) | 차동 청진기 | |
WO2004038341A3 (de) | Prozess-messgerät | |
EP1162600A3 (en) | Active control of automotive induction noise |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
Ref document number: 898774 Country of ref document: ES |