Using Electrical Means TRIZ Cases
- Rail Vehicle Damping Element Monitoring via Inductive Power
A rail vehicle damping element integrates an inductive generator to power a distance sensor for autonomous structural monitoring.
- Evaluation Jig for Laser Height Detection Using Virtual Surface
A piezo actuator moves a reflective surface to create a virtual reference, enabling accurate detection unit assessment without physical calibration plates.
- Rotary Encoder Sensor Unit with Magnetic Segment Counter
A sensor unit uses a magnetic segment counter to detect rotary angles and revolution counts.
- Magnetic Earth Field Sensor for Tire Footprint Length Detection
A magnetic earth field sensor detects tire footprint length using radial and tangential field measurements.
- Coating Thickness Measurement Using Eddy Current Frequency Difference
Induction means supply alternating electrical signals to measure physical characteristics at different frequencies for coating thickness determination.
- Carbon Composite Extension Element for Rock Displacement Measurement
A measuring device uses a carbon composite extension element to link rock anchors and a linear potentiometer.
- Capacitive Tire Tread Thickness Sensing via Inductive Resonance
A capacitive sensor circuit incorporates an inductive component to generate resonance, enhancing measurement sensitivity for tire tread thickness.
- Damper Actuator Speed Control Reduces Gear Wear
A damper actuator assembly adjusts motor speed via a position sensor to reduce gear wear and meet UL code requirements.
- Magnetic Encoder Structure with Protruding Portions
Protruding portions and groove portions in ring magnet rubber increase magnetic flux density without increasing weight or cost.
- Rotational Angle Sensor with Sine-Wave Target and Asymmetric Coils
A rotational angle sensor uses a sine-wave target edge and asymmetric secondary coils to detect orientation via magnetic induction.
- Eddy Current Sensor Rotation Adjustment for GIS Partial Discharge Detection
A rotating electric eddy current sensor mechanism enables precise non-contact displacement measurement across complex power equipment geometries.
- Angular Position Sensor with Segmented Air Gaps and Hard Magnet
Segmented air gaps and a hard magnet replace complex ring magnets, resolving manufacturing difficulties while maintaining measurement precision.
- Steep Slope Filter Discrimination Circuit for Capacitive Gauging
High-order bypass filter discriminates noise from capacitance signals, achieving sub-0.01 msec response times despite laser-induced interference.
- Inductive Sensor Eddy Current Field Shaping
Strategic eddy current generation alters transfer curves to correct linearity and offset errors without adding hardware complexity.
- Magnetic Angle Position Sensor 3D Hall-Effect Crosstalk Reduction
A magnetic angle position sensor uses a 3D Hall-effect device to measure orthogonal field components for precise magnet identification.