197279 ⎘
Details of active noise control [ANC] covered by but not provided for in any of its subgroups; Means Physical
Sub-classes:Electronic devices for controlling noise
#2Device For Actuating A Membrane And A Vehicle Comprising A Device For Actuating A Membrane
#3Equipment with optical paths for noise cancellation signals
#4Device for actuating a membrane and a vehicle comprising a device for actuating a membrane
#5Device for actuating a membrane and a vehicle comprising a device for actuating a membrane
#6Damping and actuating apparatus comprising magnetostrictive material, a vibration dampening device and use of said apparatus
#7Device for actuating a membrane and a vehicle comprising a device for actuating a membrane