Bending Wave Transducers TRIZ Cases

Two exciters with offset resonant frequencies and voltage compensation help a glass diaphragm reproduce sound near resonance across a wider range.

A divided vibration and non-vibration surface keeps vehicle speaker output consistent across cabin shapes while simplifying the exciter structure.

A hard spacer sets joint thickness so an exciter bonded to a diaphragm transmits vibration consistently with less cracking and variation.

A rear vibration layer and electrode layer make the display panel radiate sound forward, improving immersion without added speaker thickness.

Real-time impedance tracking finds speaker resonant peaks to boost loudness, clear occlusion, and cut power use in compact devices.

Piezoelectric vibration turns light source substrates into sound radiators, avoiding blocked rear speakers and off-screen audio.

Opposing magnet and spring forces let this electromagnetic actuator use softer suspension to lower resonance frequency without shortening lifetime.

Inverse filtering coordinates multiple surface actuators to suppress out-of-phase vibrations and improve sound quality on integrated surfaces.

A vibrator and vibrating sheet drive the display module as an acoustic diaphragm, preserving screen-to-body ratio while increasing high-frequency sound volume.

A movable speaker changes its distance from a sound-reflecting body to tune resonant frequencies beyond a single base frequency.

Multiple exciters can interfere on large flat panels; localized placement and frequency control improve balanced sound.

Flat-panel loudspeaker with adjustable actuator and control device modifies noise emissions to match ambient conditions.

A piezoelectric actuator uses a resilient coupler to permit radial expansion while restraining non-radial movement of the oscillator.

A magnet actuator design maintains magnetic force equilibrium between a coil and housing using a spacer to ensure stable operation.

Dual panel audio actuators resolve uniform radiation issues by dynamically positioning the sweet spot via phase and amplitude adjustments.

Resin interlayer standardizes bonding interface to resolve adhesive variability and improve sound reduction reproducibility.

A loudspeaker driver exciter assembly uses an access hole in the shell pot to route fasteners for panel mounting.

Overlapping piezoelectric and elastic plates resolve low-frequency stiffness limits, boosting sound pressure levels.

A magnetic distributed mode actuator uses a coil and permanent magnet to excite panel vibrations for audio output.

Mechanical coupling transfers actuator vibrations to the display imaging plane, eliminating separate speakers and reducing bezel size.