公开(公告)号：WO1996003945A1

公开(公告)日：1996-02-15

申请号：PCT/US1995009260

申请日：1995-07-20

Applicant: NOISE CANCELLATION TECHNOLOGIES, INC.

Inventor： NOISE CANCELLATION TECHNOLOGIES, INC. ,  ROSS, Colin, F. ,  LANGLEY, Andrew, J.

IPC: A61F11/06

CPC classification number: G10K11/178 ,  G10K2210/1053 ,  G10K2210/106 ,  G10K2210/1082 ,  G10K2210/12 ,  G10K2210/123 ,  G10K2210/128 ,  G10K2210/1281 ,  G10K2210/1282 ,  G10K2210/30232 ,  G10K2210/3031 ,  G10K2210/3051 ,  G10K2210/321 ,  G10K2210/3212 ,  G10K2210/3214 ,  G10K2210/3221 ,  G10K2210/503 ,  G10K2210/511

Abstract: An active noise and vibration reduction system for canceling noise in aircraft or other passenger carrying transportation systems (10) which utilizes a series of seat mounted microphones (6) and trim mounted speakers (4) in conjunction with a digital controller (15) with a class-D stage power amplifier (5) and which is synched to the aircraft alternator (16).

Abstract translation: 一种用于消除飞机或其他乘客运输系统（10）中的噪声的主动噪声和减振系统，其利用一系列座椅安装的麦克风（6）和装配安装的扬声器（4）与数字控制器（15）结合，其中具有 D级功率放大器（5），并与飞机交流发电机（16）同步。

公开(公告)号：EP0773760A1

公开(公告)日：1997-05-21

申请号：EP95927362.0

申请日：1995-07-20

Applicant: NOISE CANCELLATION TECHNOLOGIES, INC.

Inventor： ROSS, Colin, F. ,  LANGLEY, Andrew, J.

IPC: G10K11

CPC classification number: G10K11/178 ,  G10K2210/1053 ,  G10K2210/106 ,  G10K2210/1082 ,  G10K2210/12 ,  G10K2210/123 ,  G10K2210/128 ,  G10K2210/1281 ,  G10K2210/1282 ,  G10K2210/30232 ,  G10K2210/3031 ,  G10K2210/3051 ,  G10K2210/321 ,  G10K2210/3212 ,  G10K2210/3214 ,  G10K2210/3221 ,  G10K2210/503 ,  G10K2210/511

Abstract: An active noise and vibration reduction system for canceling noise in aircraft or other passenger carrying transportation systems which utilizes a series of seat mounted microphones and trim mounted speakers in conjunction with a digital controller with a class-D stage power amplifier and which is synched to the aircraft alternator.