197309 ⎘
Details of active noise control [ANC] covered by but not provided for in any of its subgroups; Miscellaneous Flow or turbulence
Acoustical attenuator in storage array to improve performance
#2Bandlimiting anti-noise in personal audio devices having adaptive noise cancellation (ANC)
#3METHODS AND SYSTEMS FOR REDUCING A PRESSURE WAVE
#4Acoustic detection in process environments
#5Bandlimiting anti-noise in personal audio devices having adaptive noise cancellation (ANC)
#6Damping and actuating apparatus comprising magnetostrictive material, a vibration dampening device and use of said apparatus