Segmenting the short-circuit ring into two bodies reduces harmonic and non-linear distortion by stabilizing the magnetic field near the voice coil.
An electromagnetic actuator generates dynamic magnetic flux to drive mechanical vibrations through the skull.
Nested inner magnetic elements in a permeable shell reduce speaker thickness by 19% without compromising winding heights or magnetic flux density.
A controller manages stationary coil current to optimize power usage, reducing distortion by adjusting moving coil voltage based on air gap flux.
Segmented magnets create an interaction force that reduces height while improving sensitivity.
A radially offset disk clamp generates a counter-moment that neutralizes static drive imbalances from motor and disk misalignments.
Adhesive bonding joins pole pieces to the magnet in a micro-geophone, resolving size reduction challenges that typically degrade signal detectability.
Tantalum cancels NiFe crystallographic interference while ruthenium provides a growth base, enhancing IrMn pinning strength.