By combining wheel-speed data with triboelectric charge variation sensing, this case improves wet and dry road detection with simpler hardware.
Dual probes on opposite wafer surfaces use grounded shielding to block field interference and map static charge without contact or contamination.
A gas cell uses the molecular Stark effect to measure electric fields near high-voltage lines, enabling indirect voltage sensing with lower complexity.
3D glass meta-surfaces tune refractive index to cut RF scattering in alkali vapor cells, improving SNR and scalable electrometry.
Shared contact pads leak current at high temperature; pumped driver signals create high impedance for weak-field detection.
A capacitive sensor detects ambient electric fields using a non-linear dielectric and solid-state switching.
Thin conductive foil leaves permanently deform upon electrostatic repulsion, resolving the contradiction between measurement precision and device complexity.
Carbon nanotube sensing elements measure static electricity potential without physical contact, preventing exponential decay of test values over time.