Electromagnetic acoustic transducer for generating and...
Electromagnetic driver for a planar diaphragm loudspeaker
Electromagnetic driver for a planar diaphragm loudspeaker
Electromagnetic driving unit for a loudspeaker assembly
Electromagnetic induction actuator and portable...
Electromagnetic induction type actuator device and mounting...
Electromagnetic lever diaphragm audio transducer
Electromagnetic linear drive
Electromagnetic resonant vibrator
Electromagnetic sound generator
Electromagnetic sound producing device
Electromagnetic transducer
Electromagnetic transducer and portable communicating device
Electromagnetic transducer and portable communication device
Electromagnetic transducer and portable communication device
Electromagnetic transducer and portable communication device
Electromagnetic transducer for generating sound in hearing...
Electromagnetic transducer having a low reluctance return path
Electromagnetic transducer having multiple magnetic air gaps...
Electromagnetic transducer of improved efficiency