GB9122323D0 - A sound control device - Google Patents

A sound control device

Info

Publication number
GB9122323D0
GB9122323D0 GB919122323A GB9122323A GB9122323D0 GB 9122323 D0 GB9122323 D0 GB 9122323D0 GB 919122323 A GB919122323 A GB 919122323A GB 9122323 A GB9122323 A GB 9122323A GB 9122323 D0 GB9122323 D0 GB 9122323D0
Authority
GB
United Kingdom
Prior art keywords
control device
sound control
sound
control
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.)
Withdrawn
Application number
GB919122323A
Other versions
GB2260874A (en
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.)
BAE Systems Electronics Ltd
Original Assignee
GEC Marconi Ltd
Marconi Co Ltd
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 GEC Marconi Ltd, Marconi Co Ltd filed Critical GEC Marconi Ltd
Priority to GB9122323A priority Critical patent/GB2260874A/en
Priority to PCT/GB1992/001916 priority patent/WO1993008560A1/en
Priority to EP92921657A priority patent/EP0563355A1/en
Publication of GB9122323D0 publication Critical patent/GB9122323D0/en
Publication of GB2260874A publication Critical patent/GB2260874A/en
Withdrawn legal-status Critical Current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
    • 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
    • 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
    • G10K2210/102—Two dimensional
    • 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
    • G10K2210/12—Rooms, e.g. ANC inside a room, office, concert hall or automobile cabin
    • 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
    • G10K2210/129—Vibration, e.g. instead of, or in addition to, acoustic noise
    • G10K2210/1291—Anti-Vibration-Control, e.g. reducing vibrations in panels or beams
    • 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
    • G10K2210/3011—Single acoustic input
    • 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
    • G10K2210/3223—Materials, e.g. special compositions or gases
    • 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
    • G10K2210/3229—Transducers
    • G10K2210/32291—Plates or thin films, e.g. PVDF

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
GB9122323A 1991-10-21 1991-10-21 A sound control device Withdrawn GB2260874A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB9122323A GB2260874A (en) 1991-10-21 1991-10-21 A sound control device
PCT/GB1992/001916 WO1993008560A1 (en) 1991-10-21 1992-10-19 A sound control device
EP92921657A EP0563355A1 (en) 1991-10-21 1992-10-19 A sound control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9122323A GB2260874A (en) 1991-10-21 1991-10-21 A sound control device

Publications (2)

Publication Number Publication Date
GB9122323D0 true GB9122323D0 (en) 1992-11-18
GB2260874A GB2260874A (en) 1993-04-28

Family

ID=10703283

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9122323A Withdrawn GB2260874A (en) 1991-10-21 1991-10-21 A sound control device

Country Status (3)

Country Link
EP (1) EP0563355A1 (en)
GB (1) GB2260874A (en)
WO (1) WO1993008560A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5315661A (en) * 1992-08-12 1994-05-24 Noise Cancellation Technologies, Inc. Active high transmission loss panel
US5498127A (en) * 1994-11-14 1996-03-12 General Electric Company Active acoustic liner
IT1268204B1 (en) * 1994-12-28 1997-02-21 Fiat Auto Spa SYSTEM FOR THE REDUCTION OF NOISE DUE TO VIBRATIONS OF A VEHICLE.
GB2312972B (en) * 1996-05-11 2000-02-09 Marconi Gec Ltd Vibration control
GB9920883D0 (en) 1999-09-03 1999-11-10 Titon Hardware Ventilation assemblies
GB9927131D0 (en) * 1999-11-16 2000-01-12 Royal College Of Art Apparatus for acoustically improving an environment and related method
AT411367B (en) * 2001-01-17 2003-12-29 M2 Master Man Gesmbh NOISE PROTECTION DEVICE CONSISTING OF ACTIVE BROADBAND SILENCERS
CN107146600A (en) * 2017-06-30 2017-09-08 武汉理工大学 Marine diesel noise synthesis processing unit and method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2814093C2 (en) * 1978-04-01 1980-05-14 Messerschmitt-Boelkow-Blohm Gmbh, 8000 Muenchen Anti-noise generator
WO1981001479A1 (en) * 1979-11-10 1981-05-28 Sound Attenuators Ltd The cancelling of vibrations transmitted through a fluid in a containing vessel
JPS5827313A (en) * 1981-08-11 1983-02-18 Hitachi Ltd Method of reducing oscillation of stationary electric induction apparatus
JPS5895806A (en) * 1981-12-02 1983-06-07 Hitachi Ltd Noiseproof device for stationary induction apparatus
US4565940A (en) * 1984-08-14 1986-01-21 Massachusetts Institute Of Technology Method and apparatus using a piezoelectric film for active control of vibrations
ATA117186A (en) * 1986-04-30 1990-04-15 Elin Union Ag ARRANGEMENT FOR DAMPING, REDUCTION OR COMPENSATION OF SOUND WAVES OR NOISE
EP0434468A3 (en) * 1989-12-22 1992-05-27 Bridgestone Corporation Vibration control system
US5024092A (en) * 1990-08-16 1991-06-18 Westinghouse Electric Corp. Method and apparatus for selective transmission and reflection of sound through a solid

Also Published As

Publication number Publication date
EP0563355A1 (en) 1993-10-06
GB2260874A (en) 1993-04-28
WO1993008560A1 (en) 1993-04-29

Similar Documents

Publication Publication Date Title
DK0527719T3 (en) A remote control device
GB2258098B (en) Automatic sound volume control device
HK1007647A1 (en) Remote control device
GB2252401B (en) A heater-humidifier-dehumidifier unit
GB2257267B (en) Control device for a refrigerator
GB9122323D0 (en) A sound control device
GB2254363B (en) A securing device
GB9208949D0 (en) Sheet control device
GB2259409B (en) Control device
AU8424591A (en) A control device
GB2256469B (en) A diverter device
GB9123291D0 (en) A loudspeaker
GB2257077B (en) A control system
GB2260161B (en) A restricting device
GB2260564B (en) A restricting device
GB9021876D0 (en) A control device
GB9126446D0 (en) A flow control device
GB9124375D0 (en) A rocking device
GB9011873D0 (en) A control line
EP0523247A4 (en) Control device
GB9123041D0 (en) A restricting device
ZW8492A1 (en) A speed control unit
GB9123310D0 (en) A musical device
AU115757S (en) A loudspeaker
GB9123723D0 (en) A device

Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)