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.