Electroacoustic transducer having a partition wall and a mask wa
Electroacoustic transducer having compression screw...
Electroacoustic transducer of the electret type
Electroacoustic transducer seal
Electroacoustic transducer, usable in particular as a source of
Electrodeless spark discharge acoustic pulse transducer for bore
Electrodynamic acoustic transducer
Electrodynamic driving means for acoustic emitters
Electrodynamic transducer for underwater acoustics
Electrodynamic transducer for underwater acoustics
Electrohydraulic pressure wave projectors
Electrolytic signal detector with an orifice cathode
Electromagnetic drive assembly for under water sonar transducer
Electromagnetic sonar transmitter apparatus and method utilizing
Electromagnetic transducer
Electromagnetic transducers for underwater low-frequency high-po
Electromagnetic transducers for underwater low-frequency high-po
Electromagnetic transducers for underwater low-frequency high-po
Electromechanical converter and method of producing same
Electrostrictive driving device, process for sonic wave projecti