Safety device for a hearing aid
Safety vehicle communication system
Sampled chamber transducer with enhanced low frequency response
Sampling pulse forming circuit for FM stereo demodulator
Sandwich switch construction for a hearing aid
Satellitic compact electroacoustical transducing
Scalable encoding device and scalable encoding method
Scalable stereo audio encoding/decoding method and apparatus
Scaling adjustment to enhance stereo separation
Screen device
Screen for playing audible signals by demodulating...
Sealed microphone assembly
Sealing retainer for extended wear hearing devices
Sealing retainer for extended wear hearing devices
Seat electroacoustical transducing
Seatback audio controller
Seatbelt microphone mounting
Second order toroidal microphone
Second-order adaptive differential microphone array
Secure digital speech communication