197196 ⎘
Details of active noise control [ANC] covered by but not provided for in any of its subgroups; Applications Boxes, i.e. active box covering a noise source; Enclosures
Information security/privacy via a decoupled security cap to an always listening assistant device
#2Silenced Utility Scale Electrical Storage Device
#3Multi-element electroacoustical transducing
#4Audio Noise Cancellation System
#5Measuring box for a hearing apparatus and corresponding measuring method