Structure for earphones with multiple sound tracks

Structure of a receptacle for earphone wire

Structure of a wearable and hands free earphone

Structure of an earpiece clamp

Structure of speaker

Subminiature bone vibrating speaker using the diaphragm and...

Support for earphone unit for a scuba diver mask

Surround sound headphone system

Surround sound headphones

Suspended speaker system

System and method for securing headphone transducers

System for cardioid sound field generation from dissimilar...

Tactilely identifiable earphones

Talk/listen headset

Television receiver with integrated speakers

Thin film speaker apparatus for use in a thin film video monitor

Throat device interconnecting a plurality of drive units and a h

Transducer assembly

Transducer device and assembly

Transducer device for use with communication apparatus