Open-type magnetic circuitry of loudspeaker

Optimized moving-coil loudspeaker

Oval speaker apparatus and method of manufacturing the same

Panel loudspeakers

Panel-form loudspeakers

Panel-form loudspeakers

Panel-shaped loudspeaker

Passive radiator cooled electronics/heat sink housing for a...

Passive vibroacoustic attenuator for structural acoustic...

Permanent magnet actuator with electric excitation coil,...

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 flexible voice coil suspension

Planar loudspeaker

Planar magnetic acoustical transducer stamped pole structures

Planar magnetic continuous-tone transducer