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公开(公告)号:EP0657058A1
公开(公告)日:1995-06-14
申请号:EP92920018.0
申请日:1992-09-15
Applicant: NOISE CANCELLATION TECHNOLOGIES, INC.
Inventor: EATWELL, Graham 26 East Drive , GOSSMAN, William
IPC: G10K11
CPC classification number: G10K11/178 , G10K2210/118 , G10K2210/12 , G10K2210/125 , G10K2210/129 , G10K2210/1291 , G10K2210/3212 , G10K2210/3216 , G10K2210/3217
Abstract: An active high transmission loss panel for quieting either one or two way sound radiation which incorporates a number of cells (11) which contain sensors and actuators (12) adapted to be controlled independently or interactively so as to attenuate noise attempting to pass through said panel.
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公开(公告)号:EP0654132A1
公开(公告)日:1995-05-24
申请号:EP93904472.0
申请日:1992-09-15
Applicant: NOISE CANCELLATION TECHNOLOGIES, INC.
Inventor: GOSSMAN, William , HILDEBRAND, Steve
CPC classification number: F16F7/1005 , G10K11/178 , G10K2210/129 , G10K2210/3045 , G10K2210/3217
Abstract: An active force cancellation system adapted to contain vibrations in flexible structures which utilizes co-located vibration sensors and counter-vibration devices to offset linear disturbances without setting off sub-structure vibrations.
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公开(公告)号:EP0657058B1
公开(公告)日:2000-06-21
申请号:EP92920018.6
申请日:1992-09-15
Applicant: NOISE CANCELLATION TECHNOLOGIES, INC.
Inventor: EATWELL, Graham 26 East Drive , GOSSMAN, William
IPC: G10K11/16 , G10K11/178 , B06B1/06
CPC classification number: G10K11/178 , G10K2210/118 , G10K2210/12 , G10K2210/125 , G10K2210/129 , G10K2210/1291 , G10K2210/3212 , G10K2210/3216 , G10K2210/3217
Abstract: An active high transmission loss panel for quieting either one or two way sound radiation which incorporates a number of cells (11) which contain sensors and actuators (12) adapted to be controlled independently or interactively so as to attenuate noise attempting to pass through said panel.
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公开(公告)号:EP0654132B1
公开(公告)日:1999-02-10
申请号:EP93904472.3
申请日:1992-09-15
Applicant: NOISE CANCELLATION TECHNOLOGIES, INC.
Inventor: GOSSMAN, William , HILDEBRAND, Steve
CPC classification number: F16F7/1005 , G10K11/178 , G10K2210/129 , G10K2210/3045 , G10K2210/3217
Abstract: An active force cancellation system adapted to contain vibrations in flexible structures which utilizes co-located vibration sensors and counter-vibration devices to offset linear disturbances without setting off sub-structure vibrations.
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公开(公告)号:EP0645004A1
公开(公告)日:1995-03-29
申请号:EP92913860.0
申请日:1992-06-10
Applicant: NOISE CANCELLATION TECHNOLOGIES, INC.
Inventor: GOSSMAN, William
IPC: G10K11
Abstract: A system and method for using active algorithmically controlled sensing (1a, 1b) means and speaker means (2a, 2b) for controlling noise from a distributed noise source (5) within an enclosure (6) with a multiple input, multiple output controller (7).
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