Electrostatic transducer, ultrasonic speaker, driving...

Electrostatic ultrasonic transducer and ultrasonic speaker

Elliptical dome for high frequency transducer

Elliptical flushmount speaker

Energy converter with two coils and two magnetic gaps

Engaging device for speaker cabinet

Enhanced efficiency planar transducers

Environmentally resistant loudspeaker

Equalizable electro-acoustic device used in commercial...

Equilateral tetrahedral speaker system

Ergonomic behind-the-head personal audio set and method of...

Ergonomic headset

Ergonomic headset assembly

Evenly elastically deformable damper for speaker

Exciter for directly vibrating board and speaker apparatus...

Exciting device

Extensive mobility helmet headset and helmet which includes...

External ear speaker ear-hook boom microphone

Externally mounted speaker for notebook computer

Externally ported loudspeaker enclosure