Acceleration Measurement Using Interia Forces TRIZ Cases
- Angular Oscillation Micro-Mechanical Sensor for Vibration Resistance
Angular oscillation of seismic masses minimizes sensitivity to external linear accelerations, maintaining signal accuracy under mechanical interference.
- Coupled Accordion Springs for MEMS Proof Mass Control
Rigid bars couple accordion springs to restrict relative motion and enable large proof mass displacements.
- Dual Output Accelerometer Rigid Coupling Transverse Vibration
Rigid mechanical coupling increases transverse resonant frequency, preventing signal distortion from high transverse loads in gas turbine engines.
- Inter-digital Electrodes for Miniaturized Piezoelectric Accelerometers
Inter-digital electrodes on suspension beams generate voltage from lateral strain, resolving the trade-off between accelerometer size and electrical output.
- Folded MEMS Substrates for Compact Multi-Axis IMU
Wafer-level folding creates polyhedral sensor assemblies using flexible hinges, resolving alignment errors in compact inertial measurement units.
- Three-Axis MEMS Accelerometer Tilt Control
A three-axis linear acceleration sensor detects tilt changes to adjust object velocity in virtual environments.
- Integrated Weight Protrusion for Physical Quantity Detector Bonding
Merges the spacer function into the mass part to eliminate dual bonding steps and reduce adhesive stress.
- Stabilizing Orientation Values Using Sensor Drift Correction
A processing system locks orientation values when an electronic device is stationary to reduce gyroscope drift errors.
- MEMS Structure Trench Etching for Stress-Free Movable Portions
Dual-surface trench etching creates MEMS structures with high stiffness and displacement by eliminating bonding-induced stress.
- Physical Quantity Sensor Shock Resistance via Elastic Damping
An elastic restricting section absorbs impact energy from the movable electrode, preventing comb tooth damage and maintaining detection accuracy.
- MEMS Sensor Z-Axis Parasitic Capacitance Reduction
Radially outward reference structure minimizes parasitic capacitance between electrodes and substrate, improving z-axis measurement accuracy.
- Electroactive Material Actuator Units with Shared Power Lines
Electroactive material actuator units connect across three shared power lines to address individual actuators via modulated signals.
- Vehicle ECU Resonance Frequency Control via Sensor Mounting
Fixing electronic substrate at multiple points increases target area resonance frequency to prevent sensor signal overlap and erroneous vehicle control.
- Sensor Calibration via Motion Observation Comparison
Sensors adjust parameters by comparing motion observations to maintain accuracy without external calibration equipment.
- Split MEMS Gyroscope Stacked Die Architecture
Segmenting gyroscopes across stacked dies reduces footprint while hermetic cavities maintain tailored pressures for sensor performance.
- Micromechanical Z-Inertial Sensor Insulated Electrode Layer
Segmenting the electrode layer with insulation reduces electrical field interference and radiometric effects while maintaining measurement precision.
- Vibrating Device Ion Migration Drift Reduction
An insulating layer blocks mobile ions from reaching the movable member, eliminating electrostatic attraction and output drift.
- MEMS Accelerometer Pole Pieces Guide Magnetic Flux
Segmented ferrous pole pieces guide magnetic flux through a MEMS accelerometer coil, reducing production costs while maintaining measurement accuracy.
- Accelerometer Apparatus Low Power Structural Monitoring
A compact accelerometer apparatus switches to full operation only when acceleration exceeds a threshold, storing data on non-volatile memory.
- Acceleration Sensor Through Hole Gap for Cavity Pressure Control
A through hole gap in an acceleration sensor cap layer maintains a reduced pressure state within the device cavity.