IT1268204B1 - Sistema per la riduzione del rumore dovuto a vibrazioni di un veicolo. - Google Patents
Sistema per la riduzione del rumore dovuto a vibrazioni di un veicolo.Info
- Publication number
- IT1268204B1 IT1268204B1 IT94TO001083A ITTO941083A IT1268204B1 IT 1268204 B1 IT1268204 B1 IT 1268204B1 IT 94TO001083 A IT94TO001083 A IT 94TO001083A IT TO941083 A ITTO941083 A IT TO941083A IT 1268204 B1 IT1268204 B1 IT 1268204B1
- Authority
- IT
- Italy
- Prior art keywords
- vibrations
- reduction
- vehicle
- noise due
- noise
- Prior art date
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
- 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
- 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
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/10—Applications
- G10K2210/128—Vehicles
- G10K2210/1282—Automobiles
-
- 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
- G10K2210/3033—Information contained in memory, e.g. stored signals or transfer functions
-
- 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
- G10K2210/3041—Offline
-
- 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
-
- 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
- G10K2210/3229—Transducers
-
- 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
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT94TO001083A IT1268204B1 (it) | 1994-12-28 | 1994-12-28 | Sistema per la riduzione del rumore dovuto a vibrazioni di un veicolo. |
EP95120083A EP0720144A1 (en) | 1994-12-28 | 1995-12-19 | A system for reducing noise due to vibrations in a vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT94TO001083A IT1268204B1 (it) | 1994-12-28 | 1994-12-28 | Sistema per la riduzione del rumore dovuto a vibrazioni di un veicolo. |
Publications (3)
Publication Number | Publication Date |
---|---|
ITTO941083A0 ITTO941083A0 (it) | 1994-12-28 |
ITTO941083A1 ITTO941083A1 (it) | 1996-06-28 |
IT1268204B1 true IT1268204B1 (it) | 1997-02-21 |
Family
ID=11413015
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT94TO001083A IT1268204B1 (it) | 1994-12-28 | 1994-12-28 | Sistema per la riduzione del rumore dovuto a vibrazioni di un veicolo. |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0720144A1 (it) |
IT (1) | IT1268204B1 (it) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19923704A1 (de) | 1999-05-22 | 2000-11-23 | Volkswagen Ag | Verfahren und Einrichtung zur Unterdrückung oder Dämpfung von Karosseriezittern bei Kraftfahrzeugen |
DE102004030935B3 (de) * | 2004-06-25 | 2005-09-15 | Benteler Automobiltechnik Gmbh | Vorrichtung zur Schwingungsdämpfung in einem Kraftfahrzeug |
DE102005024412A1 (de) * | 2005-05-27 | 2006-11-30 | Volkswagen Ag | Platine als flächiges Bauteil, insbesondere für ein Kraftfahrzeug |
DE102008051288A1 (de) * | 2008-10-10 | 2010-04-15 | Wilhelm Karmann Gmbh | Kraftfahrzeug mit einer Einrichtung zur Schwingungsreduktion |
US9366310B2 (en) | 2009-02-19 | 2016-06-14 | Magna Steyr Fahrzeugtechnik Ag & Co. Kg | Planar component with vibration damping |
EP3401902B1 (en) * | 2017-05-10 | 2019-07-03 | FCA Italy S.p.A. | Improvement of the acoustic comfort in the passenger compartment of a motor vehicle |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2531023B1 (fr) * | 1982-08-02 | 1987-04-30 | Peugeot | Dispositif d'attenuation du bruit dans l'habitacle d'un vehicule automobile |
US5091954A (en) * | 1989-03-01 | 1992-02-25 | Sony Corporation | Noise reducing receiver device |
JPH03292219A (ja) * | 1990-04-09 | 1991-12-24 | Nissan Motor Co Ltd | 車両の振動制御装置 |
US5146505A (en) * | 1990-10-04 | 1992-09-08 | General Motors Corporation | Method for actively attenuating engine generated noise |
US5511127A (en) * | 1991-04-05 | 1996-04-23 | Applied Acoustic Research | Active noise control |
GB2260874A (en) * | 1991-10-21 | 1993-04-28 | Marconi Gec Ltd | A sound control device |
-
1994
- 1994-12-28 IT IT94TO001083A patent/IT1268204B1/it active IP Right Grant
-
1995
- 1995-12-19 EP EP95120083A patent/EP0720144A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP0720144A1 (en) | 1996-07-03 |
ITTO941083A0 (it) | 1994-12-28 |
ITTO941083A1 (it) | 1996-06-28 |
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Legal Events
Date | Code | Title | Description |
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0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19981231 |