GB2230920B - Active sound and/or vibration control - Google Patents
Active sound and/or vibration controlInfo
- Publication number
- GB2230920B GB2230920B GB8909433A GB8909433A GB2230920B GB 2230920 B GB2230920 B GB 2230920B GB 8909433 A GB8909433 A GB 8909433A GB 8909433 A GB8909433 A GB 8909433A GB 2230920 B GB2230920 B GB 2230920B
- Authority
- GB
- United Kingdom
- Prior art keywords
- vibration control
- active sound
- sound
- active
- vibration
- 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
- 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
- G10K11/17879—General system configurations using both a reference signal and an error signal
- G10K11/17883—General system configurations using both a reference signal and an error signal the reference signal being derived from a machine operating condition, e.g. engine RPM or vehicle speed
-
- 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
- G10K11/1781—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 characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions
- G10K11/17821—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 characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions characterised by the analysis of the input signals only
-
- 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
- G10K11/1781—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 characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions
- G10K11/17821—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 characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions characterised by the analysis of the input signals only
- G10K11/17825—Error signals
-
- 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
- G10K2210/121—Rotating machines, e.g. engines, turbines, motors; Periodic or quasi-periodic signals in general
-
- 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
- G10K2210/3024—Expert systems, e.g. artificial intelligence
-
- 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
- G10K2210/3025—Determination of spectrum characteristics, e.g. FFT
-
- 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
- G10K2210/3032—Harmonics or sub-harmonics
-
- 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
- G10K2210/3042—Parallel processing
-
- 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
- G10K2210/3046—Multiple acoustic inputs, multiple acoustic outputs
-
- 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
- G10K2210/3051—Sampling, e.g. variable rate, synchronous, decimated or interpolated
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Vibration Prevention Devices (AREA)
- Cosmetics (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8909433A GB2230920B (en) | 1989-04-25 | 1989-04-25 | Active sound and/or vibration control |
ES90907216T ES2084028T3 (en) | 1989-04-25 | 1990-04-20 | ACTIVE CONTROL OF SOUNDS AND / OR VIBRATIONS. |
JP2506649A JPH04505221A (en) | 1989-04-25 | 1990-04-20 | Active sound/vibration cancellation device |
CA002049332A CA2049332C (en) | 1989-04-25 | 1990-04-20 | Active sound and/or vibration control |
DE69025604T DE69025604T2 (en) | 1989-04-25 | 1990-04-20 | ACTIVE SOUND AND / OR VIBRATION CONTROL |
AU55456/90A AU635266B2 (en) | 1989-04-25 | 1990-04-20 | Active sound and/or vibration control |
EP90907216A EP0470153B1 (en) | 1989-04-25 | 1990-04-20 | Active sound and/or vibration control |
PCT/GB1990/000617 WO1990013108A1 (en) | 1989-04-25 | 1990-04-20 | Active sound and/or vibration control |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8909433A GB2230920B (en) | 1989-04-25 | 1989-04-25 | Active sound and/or vibration control |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8909433D0 GB8909433D0 (en) | 1989-06-14 |
GB2230920A GB2230920A (en) | 1990-10-31 |
GB2230920B true GB2230920B (en) | 1993-12-22 |
Family
ID=10655687
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8909433A Expired - Fee Related GB2230920B (en) | 1989-04-25 | 1989-04-25 | Active sound and/or vibration control |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0470153B1 (en) |
JP (1) | JPH04505221A (en) |
AU (1) | AU635266B2 (en) |
CA (1) | CA2049332C (en) |
DE (1) | DE69025604T2 (en) |
ES (1) | ES2084028T3 (en) |
GB (1) | GB2230920B (en) |
WO (1) | WO1990013108A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8302456B2 (en) | 2006-02-23 | 2012-11-06 | Asylum Research Corporation | Active damping of high speed scanning probe microscope components |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5485523A (en) * | 1992-03-17 | 1996-01-16 | Fuji Jukogyo Kabushiki Kaisha | Active noise reduction system for automobile compartment |
FR2692709B1 (en) * | 1992-06-18 | 1994-09-16 | Renault | Active noise control device in the passenger compartment of a motor vehicle. |
EP0609846B1 (en) * | 1993-02-02 | 2000-03-22 | Honda Giken Kogyo Kabushiki Kaisha | Vibration/noise control system |
US5660255A (en) * | 1994-04-04 | 1997-08-26 | Applied Power, Inc. | Stiff actuator active vibration isolation system |
DE19944985B4 (en) * | 1999-09-20 | 2005-04-28 | Siemens Ag | Measurement method for current measurement with noise suppression |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0043565A1 (en) * | 1980-07-03 | 1982-01-13 | Hitachi, Ltd. | Vibration/noise reduction device for electrical apparatus |
GB2122052A (en) * | 1982-06-09 | 1984-01-04 | Plessey Co Plc | Reducing noise or vibration |
WO1990002447A1 (en) * | 1988-08-17 | 1990-03-08 | Topexpress Limited | Signal processing means for sensing a periodic signal in the presence of another interfering periodic noise |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58153313A (en) * | 1982-03-08 | 1983-09-12 | Hitachi Ltd | Low noise stationary induction apparatus |
GB8525800D0 (en) * | 1985-10-18 | 1985-11-20 | Contranoise Ltd | Transfer function generation |
JP2890196B2 (en) * | 1986-10-07 | 1999-05-10 | アダプティブ コントロール リミテッド | Active vibration control device or related improvements |
JPH01159406A (en) * | 1987-12-15 | 1989-06-22 | Mitsui Eng & Shipbuild Co Ltd | Method for active muffling of propeller noise and device therefor |
-
1989
- 1989-04-25 GB GB8909433A patent/GB2230920B/en not_active Expired - Fee Related
-
1990
- 1990-04-20 AU AU55456/90A patent/AU635266B2/en not_active Ceased
- 1990-04-20 WO PCT/GB1990/000617 patent/WO1990013108A1/en active IP Right Grant
- 1990-04-20 JP JP2506649A patent/JPH04505221A/en active Pending
- 1990-04-20 DE DE69025604T patent/DE69025604T2/en not_active Expired - Fee Related
- 1990-04-20 CA CA002049332A patent/CA2049332C/en not_active Expired - Fee Related
- 1990-04-20 ES ES90907216T patent/ES2084028T3/en not_active Expired - Lifetime
- 1990-04-20 EP EP90907216A patent/EP0470153B1/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0043565A1 (en) * | 1980-07-03 | 1982-01-13 | Hitachi, Ltd. | Vibration/noise reduction device for electrical apparatus |
GB2122052A (en) * | 1982-06-09 | 1984-01-04 | Plessey Co Plc | Reducing noise or vibration |
WO1990002447A1 (en) * | 1988-08-17 | 1990-03-08 | Topexpress Limited | Signal processing means for sensing a periodic signal in the presence of another interfering periodic noise |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8302456B2 (en) | 2006-02-23 | 2012-11-06 | Asylum Research Corporation | Active damping of high speed scanning probe microscope components |
US8763475B2 (en) | 2006-02-23 | 2014-07-01 | Oxford Instruments Asylum Research Corporation | Active damping of high speed scanning probe microscope components |
Also Published As
Publication number | Publication date |
---|---|
DE69025604T2 (en) | 1996-10-24 |
DE69025604D1 (en) | 1996-04-04 |
WO1990013108A1 (en) | 1990-11-01 |
AU635266B2 (en) | 1993-03-18 |
CA2049332A1 (en) | 1990-10-26 |
GB2230920A (en) | 1990-10-31 |
GB8909433D0 (en) | 1989-06-14 |
EP0470153B1 (en) | 1996-02-28 |
CA2049332C (en) | 2000-08-01 |
ES2084028T3 (en) | 1996-05-01 |
EP0470153A1 (en) | 1992-02-12 |
JPH04505221A (en) | 1992-09-10 |
AU5545690A (en) | 1990-11-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20080425 |