Converting Sensor Output Electrically/Magnetically TRIZ Cases

Segmenting capacitive sensor arrays into sequential groups resolves the contradiction between shrinking device size and maintaining measurement precision.

Unequal sine and cosine coil areas counterbalance target movement to maintain measurement accuracy at the end of the extended range.

A flexible measuring element uses a non-magnetic metallic carrier layer to support a magnetizable second layer for precise scanning.

An absolute disk capacitive sensor combines independent rough and fine division grids with a microprocessor to integrate position data.

Air-core transformer sensor uses segmented primary and secondary coils to generate distinct signals for different metal targets.

A single-input amplifier circuit amplifies capacitive sensor signals using a feedback capacitor and bias voltage subtraction.

Distinct current paths in a variable resistance element differentiate bending from stretching to resolve measurement precision versus device complexity.

Replacing bulky LVDTs with a compact magnetic sensing system reduces weight and complexity while maintaining precise position measurement.

A four-channel encoder structure links antivalent signals across independent main signal paths to enable internal plausibility checks.

High-frequency AC excitation of choke coils increases sensitivity and measuring accuracy by detecting impedance changes at nanometer scale.

A rotation angle measurement device uses magnetic coupling to detect relative and absolute angles without physical contact.

A rotation angle detection device uses curved convex and concave portions on a rotor to generate smooth sine wave signals for precise angle calculation.