HIGH EFFICIENCY FAN WITH ADAPTIVE NOISE CANCELLATION
摘要
This invention relates to a new type of compact high efficiency fan utilizing microphones (74, 75), a loudspeaker (69, 70) and a totally adaptive noise cancellation controller (73) whereby the design of the fan eliminates broadband noise and the controller reduces the remaining tonal component thus producing a high efficient silent fan.
申请公布号
WO9302445(A1)
申请公布日期
1993.02.04
申请号
WO1991US04876
申请日期
1991.07.16
申请人
NOISE CANCELLATION TECHNOLOGIES, INC.
发明人
ZIEGLER, ELDON, W.;MCLOUGHLIN, MICAHEL, P.;VERSCHUEREN, LUC;EGHTESADI, KHOSROW;ARNOLD, MICHAEL;FRIESEN, ROBERT
