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
Application number
DE4011658A
Other languages
German (de)
English (en)
Other versions
DE4011658A1 (de
Inventor
Oskar Dr. 8000 Muenchen De Bschorr
Reinhard 8028 Taufkirchen De Pongratz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Airbus Defence and Space GmbH
Original Assignee
Deutsche Aerospace AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Deutsche Aerospace AG filed Critical Deutsche Aerospace AG
Priority to DE4011658A priority Critical patent/DE4011658A1/de
Publication of DE4011658A1 publication Critical patent/DE4011658A1/de
Application granted granted Critical
Publication of DE4011658C2 publication Critical patent/DE4011658C2/de
Granted legal-status Critical Current

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)
DE4011658A 1990-04-11 1990-04-11 Antischallgenerator Granted DE4011658A1 (de)

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 (enrdf_load_html_response) 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 (enrdf_load_html_response)

Cited By (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
CN115335603A (zh) 2020-04-02 2022-11-11 海拉有限双合股份公司 用于真空泵的消声器和具有这样的消声器的真空泵

Family Cites Families (2)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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