Piezoelectric warbler
Programmable electronic circuit
Schmitt trigger loud alarm with feedback
Self-protected, low emission electronic device for driving a war
Sequenced audio help label
Sound generating apparatus
Sound generating apparatus for use with gloves and similar...
Sound producing device
Sound signal generating device
Sounder control system
Sounder device which deflects sound away from a housing
Sounding-body driving circuit and operating sound generating...
System and method for setting parameters from control panel
Tone generating circuit
Toothbrush holder with integrated automatic sound device
Vehicle horn with electronic solid state energizing circuit
Vibration apparatus for a mobile telecommunication terminal...
Vocal container cap
Voice emitting pin
Voice recording and playback apparatus, and alarm system with vo