Electrical Transducers TRIZ Cases

A hexapod shaker system uses six individually controllable electromagnetic strut assemblies to generate precise mechanical motion.

An asymmetric magnetic circuit reduces transducer width by omitting outer magnets, preventing motor strength loss and voice coil thermal issues.

Laser welding fixes ophthalmic surgical tip orientation on the shaft, eliminating unpredictable clocking from threaded connections.

Routes laser light through the slider thickness to maintain fly height while conducting heat away via high-conductivity contacts.

Microwave plasma treatment removes contaminants from exposed metal surfaces on suspension boards, lowering interface resistance and reducing signal noise.

Localized damping in a diaphragm pot resolves the trade-off between suppressing wall vibrations and maintaining electroacoustical efficiency.

A recessed light-shielding film with a pinhole isolates optical waveguide core emission for precise intensity detection.

A protection layer ensures a flat top surface on the magnetic cap layer during etching of magnetoresistive elements.

Opposite surface mounting of a chip and sensor reduces the volume of a hearing aid sensing device while managing packaging complexity.

Adhesive bonding secures lipless pole pieces to the magnet, reducing geophone diameter while maintaining signal detectability.

Automating damper placement via a toothed hollow punch eliminates manual handling errors, reducing dispersion in vibration control effects.

Ultrasonic speaker diaphragm vibration drives air convection to dissipate heat in compact mobile terminals without adding bulk.

Oxidation layer prevents metal diffusion into silicon substrate, maintaining stable MRR values and improving read performance.

Segmenting the armature into magnetically coupled layers reduces mechanical stiffness, increasing sound pressure output and enabling smaller receiver sizes.

A horizontal vibration axis drives the diaphragm parallel to the screen, maintaining amplitude despite reduced device height.

Extending pole pieces reduces parasitic flux leakage and harmonic distortion while shifting magnetic flux toward coil ends for higher sensitivity.

An injection molded location pin on the lower clamp plate attaches to a metal frame, resolving positioning issues that prevent proper magnetic system operation.

A magnetic read head uses a single photolithography process to define self-aligned sensor back edges.

Soldering interposer conductive elements to acoustic components prevents disconnection under water exposure and temperature changes.

Processor adjusts voice recognition waiting time based on command analysis to prevent misrecognition of continuous commands.

Inverting the traditional transducer configuration eliminates flexible electrical connections and reduces mechanical stress on moving parts.

Organic compound atmospheres enable reactive plasma etching to remove mask layers without damaging magnetic recording media.

Elevated annealing strengthens exchange-coupling fields to prevent magnetization tilting and improve data reproduction accuracy.

Segmented corrugated walls with fibrous fill attenuate oilfield equipment noise below 85 dB without expensive spherical resonators.

A magnetic head side shield layer incorporates a groove to accommodate the pole layer and manage flux distribution.

Printed index marks transfer template patterns to disc substrates, resolving track eccentricity and angular misalignment during assembly.

Segmented voice coils switch based on magnetic gap position to cut effective heat power by 44.5% while maintaining driving force.

Lead drawing through holes with recesses position coil-drawn-leads, preventing displacement and improving workability.

Segmented symmetrical magnetic circuits reduce coil inductance and eddy currents, resolving non-linear response bottlenecks.

A transformer uses damped fastening elements to isolate vibration transmission from the live part to the tank.

Freeze-dried sound-absorbing sheets eliminate particle collision and static electricity in speaker rear cavities while maintaining high acoustic absorption.

A speaker yoke uses an integrally molded heterogeneous metal layer to divert eddy currents generated in the iron-based parent member.

Conformal deposition and selective etching form a magnetic write pole leading bevel, reducing fabrication time and improving yield.

Side shield layers suppress magnetic flux extension to reduce effective track width differences and prevent adjacent track erase.

A magnetic recording substrate defines recording areas with dimensions as integral multiples of the lattice constant to ensure regular crystal formation.

A horn device adjusts diaphragm vibration frequency based on temperature and voltage measurements to prevent abnormal noise.

Relocating connection conductors via a pivoting board prevents reverse phase sound generation from conductor vibration in the magnetic field.

A balance component counters the welding plate weight to prevent skeleton swaying and improve sound quality.

Segmented wooden ring elements reduce energy consumption and carbon footprint while maintaining acoustic quality through modular assembly.

Segmented magnets and weights boost flux density, resolving the trade-off between weak magnetism and structural complexity in transducers.

A loudspeaker uses a variable volume device to adjust internal air pressure and optimize mechanical resonant frequency.

Solid interlocking dots maintain alignment accuracy during solder reflow, preventing substrate misalignment in magnetic recording head bonding.

A multifunctional sounding device integrates a motor assembly within the housing to drive both acoustic output and vibration.

A double hard-mask mill back method precisely forms near field transducer pin and disk sections via sequential etching.

Segmenting the device housing from the in-the-ear part extends battery life via a capacitor while eliminating acoustic feedback.

Electric levitation replaces mechanical springs in seismic sensors to eliminate spring creep and maintain coil position at high temperatures.

Merging ultrasonic fingerprint sensors and speakers under the screen reduces device thickness by sharing piezoelectric film layers and connection structures.

Magnetizing rings maintain consistent distance from the pole piece, resolving inconsistent magnetic field distribution that reduces sound quality.

Segmenting the free layer with a flux guide lowers demagnetization fields, improving stability and signal-to-noise ratio at high areal densities.

A tapered magnetoresistive free layer increases cross-sectional area to lower electrical resistance, solving signal degradation caused by narrow track widths.