Electromagnetic vibrators
Electromechanic film and acoustic element
Electromechanical transducer
Electromechanical transducer
Electromechanical transducer
Electromechanical transducer and method of making same
Electromechanical transducers using an electret
Electronic apparatus
Electronic audio signal processor
Electronic component assembly and method fhereof
Electronic control circuit
Electronic device forming a programmable miniature hearing...
Electronic devices using earphones and wireless earphones
Electronic filters, hearing aids and methods
Electronic transducer
Electronically focused acoustic imaging system and method
Electrostatic acoustic transformer
Electrostatic discharge protector for an electret microphone
Electrostatic electroacoustic transducer
Electrostatic electroacoustic transducer