GB2271387B - Noise reduction by means of acoustic feedback - Google Patents

Noise reduction by means of acoustic feedback

Info

Publication number
GB2271387B
GB2271387B GB9310653A GB9310653A GB2271387B GB 2271387 B GB2271387 B GB 2271387B GB 9310653 A GB9310653 A GB 9310653A GB 9310653 A GB9310653 A GB 9310653A GB 2271387 B GB2271387 B GB 2271387B
Authority
GB
United Kingdom
Prior art keywords
noise reduction
acoustic feedback
acoustic
feedback
noise
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
GB9310653A
Other languages
English (en)
Other versions
GB2271387A (en
GB9310653D0 (en
Inventor
Oskar Bschorr
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
Publication of GB9310653D0 publication Critical patent/GB9310653D0/en
Publication of GB2271387A publication Critical patent/GB2271387A/en
Application granted granted Critical
Publication of GB2271387B publication Critical patent/GB2271387B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
GB9310653A 1992-05-29 1993-05-24 Noise reduction by means of acoustic feedback Expired - Fee Related GB2271387B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19924217767 DE4217767C1 (enExample) 1992-05-29 1992-05-29

Publications (3)

Publication Number Publication Date
GB9310653D0 GB9310653D0 (en) 1993-07-07
GB2271387A GB2271387A (en) 1994-04-13
GB2271387B true GB2271387B (en) 1995-08-16

Family

ID=6459981

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9310653A Expired - Fee Related GB2271387B (en) 1992-05-29 1993-05-24 Noise reduction by means of acoustic feedback

Country Status (3)

Country Link
DE (1) DE4217767C1 (enExample)
FR (1) FR2691828B1 (enExample)
GB (1) GB2271387B (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10146121B4 (de) 2001-09-19 2004-01-08 Ford Global Technologies, Inc., Dearborn Verfahren zur Bestimmung des Körperschall- und des Luftschallanteils eines Motorengeräusches

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB618224A (en) * 1947-03-18 1949-02-17 Bristol Aeroplane Co Ltd Improvements in or relating to apparatus for preventing or reducing the formation of ice on the air ducts of gas turbine engines
GB935119A (en) * 1960-12-05 1963-08-28 Rolls Royce Improvements relating to the silencing of gas turbine engines

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1321073A (en) * 1970-06-18 1973-06-20 Secr Defence Acoustic attenuators
DE3020830A1 (de) * 1980-06-02 1981-12-10 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Koinzidenzschalldaempfer
FR2613773B1 (fr) * 1987-04-08 1990-11-30 Snecma Panneau acoustique pour garniture insonorisante et turboreacteur comportant une telle garniture
SE501995C2 (sv) * 1988-11-18 1995-07-10 Tord Goeran Kaarfalk Anordning för reducering av transmissionsljud
DE4012094A1 (de) * 1990-04-14 1991-10-17 Schottel Werft Vorrichtung zum schutz von unter wasser befindlichen koerpern gegen sonar-ortung

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB618224A (en) * 1947-03-18 1949-02-17 Bristol Aeroplane Co Ltd Improvements in or relating to apparatus for preventing or reducing the formation of ice on the air ducts of gas turbine engines
GB935119A (en) * 1960-12-05 1963-08-28 Rolls Royce Improvements relating to the silencing of gas turbine engines

Also Published As

Publication number Publication date
FR2691828B1 (fr) 1995-04-21
GB2271387A (en) 1994-04-13
FR2691828A1 (fr) 1993-12-03
GB9310653D0 (en) 1993-07-07
DE4217767C1 (enExample) 1993-08-26

Similar Documents

Publication Publication Date Title
US5647013C1 (en) Electroacoustic transducer
EP0570177A3 (en) Acoustic resonator
IL106984A (en) Noise cancellation apparatus
GB9023178D0 (en) Treatment of acoustic noise generated by vehicles
GB9101355D0 (en) Noise attentuation panel
GB2272819B (en) Electroacoustic transducer
EP0592196A3 (en) Noise eliminating circuits
GB2266149B (en) Single axis rate sensor noise reduction
EP0584971A3 (en) Sound output system
GB9101354D0 (en) Noise attentuation panel
GB9323126D0 (en) Process for controlling the signal-to noise ratio in noisy sound recordings
GB9323482D0 (en) Electromagnetic acoustic transducers
GB2285300B (en) Vibration reduction
GB9202992D0 (en) Noise suppression systems
EP0575995A3 (en) Noise reduction apparatus
GB2269959B (en) Sound output
GB2271387B (en) Noise reduction by means of acoustic feedback
AU5869094A (en) Acoustic chair
AU4578993A (en) Acoustic flowmeter
GB9211136D0 (en) Noise reducing earphone
GB9006371D0 (en) Active control of noise
EP0587405A3 (en) Acoustic well logging method
GB9222987D0 (en) Noise reducing headset converter
GB9224108D0 (en) Compact noise controlled generator
EP0458308A3 (en) Method of eliminating noise

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970524