Piezoelectric transducers

Piezoelectric vibrating elements and piezoelectric electroacoust

Pipe microphone device

Piston-type panel-form loudspeaker

Pivotable speaker mounting apparatus

Planar acoustic transducer

Planar diaphragm acoustic loudspeaker

Planar diaphragm loudspeakers with non-uniform air resistive...

Planar diaphragm speaker with heat dissipator

Planar electromagnetic transducer

Planar film speaker with inertial driver

Planar flexible voice coil suspension

Planar loudspeaker

Planar loudspeaker

Planar magnetic acoustical transducer stamped pole structures

Planar magnetic continuous-tone transducer

Planar magnetic transducer

Planar magnetic transducer with distortion compensating diaphrag

Planar ribbon electro-acoustic transducer with high SPL...

Planar speaker