Loudspeaker with high frequency motional feedback

Loudspeaker with motional feedback

Low frequency feedback controlled audio system

Method and apparatus for frame-based loudspeaker equalization

Method and apparatus to reduce the effect of flux modulation...

Method of and arrangement for linearizing the frequency response

MFB speaker system with controllable speaker vibration...

Motional feedback loudspeaker apparatus having a coupling member

Motional feedback speaker system with radially polarized magnet

Motional load driver

Negative impedance driving apparatus having temperature compensa

Position sensor for a loudspeaker

Power adapter having a speaker for an electronic device

Power amplifier adapter

Servo-controlled amplifier and method for compensating for trans

Smart amplifier for loudspeaker motional feedback derived from l

Sound control unit and sound system

Sound reproducing system utilizing motional feedback and an impr

Sound reproducing system with Hall effect motional feedback

Sound reproduction apparatus with stable feedback