Acceleration Measurement Using Interia Forces TRIZ Cases

Segmenting motion detection into fall, impact, and no-motion phases enables accurate drop identification while managing sensor processing complexity.

Perpendicular magnetic flux field and non-conductive mediator layer minimize flux leakage while maintaining single SOI wafer construction.

A micromachined inertial sensor uses a single proof mass to measure six degrees of freedom motion.

Acceleration energy analysis detects device removal, preventing false sleep state classification when the activity meter rests in a still position.

Correlating static and dynamic action vectors automatically identifies sensor modules, resolving manual mapping errors in dynamic environments.

A mathematical model corrects sensor data by maintaining a predefined angle between orientation and motion direction.

A MEMS gyroscope synchronizes perpendicular drive element movements via a rotatable coupling device to determine yaw rate components.

Segmented sealing regions enable independent pressure adjustment in rotation rate sensors while maintaining hermetic acceleration sensor cavities.

An asymmetric capacitor design with a tiltable rocker arm enables linear pressure sensing using simple evaluation electronics.

A navigation system selects between Extended Kalman Filter modes based on sensor input quality to compute accurate state information.

A leveling plate with a level indicator and alignment shelf constrains sensor movement to ensure precise orientation.

Modulating the Coriolis accelerometer signal separates resonance interference from the angular-rate component, ensuring accurate measurement.

Slits in the fixed portion of an angular velocity sensor segment rigidity, allowing efficient Coriolis force transmission while maintaining mounting stability.

Segments detection portions to optimize sensitivity while reducing parasitic capacitance noise through dedicated circuits and intermediary fixed electrodes.

A capacitive acceleration sensor uses through holes and recessed substrate parts to create porous gas flow paths.

Fabricating MEMS sensors on flexible substrates resolves the contradiction between rigid manufacturing precision and adaptable display integration.

Acoustic and vibration sensors replace complex mechanical inspections to determine escalator health scores, resolving high monitoring costs.

A compact device uses capillary action to move indicator fluid from a reservoir into a narrow gap for visual impact detection.

A reconfigurable sensor chip extracts digital features and applies decision trees to determine device context.

A monolithic guide blade with variable cross-section inertia enhances structural rigidity for micromachined electromechanical proof mass systems.

A wearable cardioverter defibrillator detects walking intensity using motion sensors to analyze physical activity trends.

Segmented cantilever beams prevent residual stress buckling, while bridge circuits compensate temperature drift.

Metallic bonding joins substrates while sacrificial layer removal creates cavities, resolving electrode spacing precision issues.

Segmented arms with dampeners enable high-frequency 3D operation, preventing overextension failures common in single-plane designs.

A 3D MEMS architecture uses insulated conducting pathways to integrate sensors and IC chips.

An acceleration sensor uses an engaging section to contact a weight body before the support beam during impact.

Relocating metallized traces from vibrating tines to the outrigger base eliminates hysteresis and time-dependent drift while maintaining resonant oscillation.

A monolithically integrated micromechanical device uses a single piezoresistive converter principle to measure pressure and acceleration on one semiconductor chip.

A single integrated mass accelerometer embeds a teeter-totter z-axis proof mass within an x-y lateral proof mass structure.

A MEMS gyroscope oscillating assembly uses a lever structure to synchronize proof mass movement.

Protrusions positioned between 0.5L and 3.1L prevent breakage at coupling boundaries during Deep Reactive Ion Etching.

Directly bonded silicon layers create a precise electrode gap that resolves alignment accuracy issues while enabling linear signal response.

Diffusion bonding eliminates solder creep and thermal mismatch to stabilize accelerometer sensitivity.

A suspended piezoresistive strain gauge detects mechanical stress through a rigid arm amplification cell.

Sequential eutectic bonding seals thick MEMS structures, reducing leakage pathways while maintaining CMOS process compatibility.

Resilient portions deform upon collision to suppress stiction, while through holes minimize air resistance to maintain detection sensitivity.

Low-temperature dielectric fill insulates MEMS substrate portions through backside openings, preventing thermal damage to sensitive materials.

Digital frequency modulation tracks resonant frequencies in a MEMS gyroscope to deliver inherently precise angular rate measurements.

Segmented impurity concentrations stabilize electrical connections and sensitivity while preventing pn junction formation that reduces breakdown voltage.

An embedded nine-axis inertial measurement unit detects rotational movement and impact location to resolve human error in combative sports scoring.

A single-layer angular vertical comb drive generates electrostatic torque to rotate a micro-mirror, eliminating sub-micron alignment requirements.

A three-dimensional IPMC sensor uses plated electrodes and operational amplifiers to detect complex deformations.

Segmented electrode fingers on separate substrates eliminate expensive SOI wafers, reducing manufacturing costs while maintaining high sensitivity.

A piezoelectric accelerometer uses segmented seismic mass elements to generate independent positive and negative charges for simultaneous acceleration detection.

Segmenting the assembly into a flexible printed circuit board reduces electrical connections and manufacturing complexity in piezoelectric sensors.

Auxiliary electrodes apply harmonic signals to detect residual voltage on MEMS proof masses.

Using pseudo-random modulation signals, the estimator reduces correlation errors and enables higher bandwidth operation while maintaining sub-ppm accuracy.

Segmented bottom plate enables flat bonding interfaces, resolving curved surface assembly difficulties while maintaining structural symmetry.

Segmented penetration holes with optimized geometries improve sealing reliability while preventing internal component damage.