197287 ⎘
Details of active noise control [ANC] covered by but not provided for in any of its subgroups; Means; Physical Collocated sensor and cancelling actuator, e.g. "virtual earth" designs
Electronic device, active noise reduction system, and active noise reduction method
#2Digital circuit arrangements for ambient noise-reduction
#3Digital circuit arrangements for ambient noise-reduction
#4Apparatus and method for an active and programmable acoustic metamaterial
#5Digital circuit arrangements for ambient noise-reduction
#6PID controller
#7Active Noise Suppression on a Wind Turbine
#8Digital circuit arrangements for ambient noise-reduction
#9Loudspeaker and system for active noise cancellation
#10Noise canceling apparatus and noise canceling method
#11Digital circuit arrangements for ambient noise-reduction
#12Adaptive control unit with feedback compensation
#13Apparatus and method of reducing noise of earphones, noise reducing earphones, and a portable audio reproducing apparatus having the same
#14Adaptive personal active noise system
#15AUDIO DEVICE WITH ACTIVE NOISE CANCELLATION