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公开(公告)号:WO1994027525A1
公开(公告)日:1994-12-08
申请号:PCT/US1994005271
申请日:1994-05-18
Applicant: NOISE CANCELLATION TECHNOLOGIES, INC.
Inventor: NOISE CANCELLATION TECHNOLOGIES, INC. , EATWELL, Graham, P. , KULIKAUSKAS, Joe , GEERE, Roger
IPC: A61F02/20
CPC classification number: H04R3/002 , A61F2011/145 , H03B29/00 , H04B1/126
Abstract: This invention relates to an active ear defender which uses an improved adaptive control system. The control is modified to include a parameter adjustment module (3) and a modified structure (1, 2) so as to provide selective cancellation of rapidly changing disturbances.
Abstract translation: 本发明涉及一种使用改进的自适应控制系统的主动式捍卫者。 控制被修改为包括参数调整模块(3)和修改结构(1,2),以便提供快速变化的干扰的选择性消除。