Efficiency loudspeaker
Elastomer membrane enhanced electrostatic transducer
Elastomeric dielectric polymer film sonic actuator
Elastomeric dielectric polymer film sonic actuator
Electret assembly
Electret condenser microphone
Electret condenser microphone
Electret condenser microphone unit
Electret microphone
Electret microphone
Electret microphone
Electret microphone assembly, and method of manufacturer
Electret transducer array and fabrication technique
Electro acoustic transducer and loudspeaker
Electro-acoustic transducer
Electro-acoustic transducer with diaphragm and blank therefor
Electroacostic transducer
Electroacoustic converter
Electroacoustic converter having a recessed step on the center p
Electroacoustic transducer