Thermometers Using Electric/Magnetic Elements TRIZ Cases

An elongate fluid directing element promotes liquid circulation within a receptacle, minimizing temperature gradients during sensor calibration.

A passive thermal switch uses a material switching between antiferromagnetic and ferromagnetic states to move a plate for heat control.

Concurrent AC and DC signal processing reduces HDD test time while maintaining measurement precision through continuous averaging.

Discrete beads containing salt mixtures prevent ceramic layer cracking and ensure consistent temperature detection in aircraft components.

Inkjet-printed sensor patches monitor soil and ambient conditions to resolve the trade-off between measurement precision and device complexity.

A passive microsensor uses bimetallic thermal expansion to drive mechanical gears, counting structural deformation cycles without external power.

An NTC thermistor network feeds a neural network to predict junction temperature, resolving the trade-off between measurement precision and sampling rate.

Dynamic reference voltage selection maintains high resolution across wide measurement ranges, avoiding the trade-off where large voltages reduce precision.

Segmenting coarse and fine time measurements resolves the contradiction between measurement precision and sampling rate while maintaining low power consumption.

Lanthanide-doped Ni-Co-Mn-O ceramic decouples B-value and resistivity, enabling 20x miniaturization while maintaining drift below 0.5%.

Current detecting units monitor output current changes during on/off operations, enabling accurate temperature estimation despite rapid thermal shifts.

A heating plate and evaluation electronics unit test multiple temperature sensors concurrently on a casting mold.

A battery management system adjusts open circuit voltage reference ranges to improve state of charge estimation accuracy.

A power transistor integrates a dedicated temperature sensor diode to measure junction heat via pn-junction voltage drop.

A contactless temperature sensor uses a gas cushion to separate the workpiece from the sensing puck for accurate thermal measurement.

A temperature estimation system calculates core body temperature using multiple sensors and a machine learning learner to estimate thermal resistance coefficients.

A resistive sensor element generates Johnson noise voltage signals for temperature detection.

A combined sensor element embeds speed and temperature sensors in a moisture-tight protective body.

A method estimates electric component temperatures in power electronics systems using precalculated self-heating and external heating coefficients.

Replacing bulky relays, this device uses a thermistor and thermal fuse to prevent overcurrent fires while reducing size and cost.

Multiple weld zones at overlap ends distribute stress on electrode wires, preventing separation under vibration and thermal cycling.

Variable width support arms reduce heat dissipation while maintaining bending strength for reliable infrared detection.

A two-wire resistance temperature detector uses a switch to alternate current pulses and differentiate sensor from lead resistance.

Control IC calculates FET junction temperature and drain-source current using stored thermal resistance data, eliminating external sensing elements.

A thermal conductivity estimation method uses machine learning regression on temperature distribution data to calculate material properties.

Direct assembly of a thermistor electrode within the dielectric medium compensates for thermal expansion, correcting wavefront aberration inaccuracies.

Distinct monitor circuits eliminate common cause failures by generating data via different principles, reducing chip area and test costs.

A self-calibrating flexure sensor uses a reference resistive element on a non-flexible substrate portion to bias the sensing element.

A single-point temperature sensor circuit adjusts gain factors and offsets using a switched PNP transistor to enable wide-range sensitivity calibration.

Temperature sensing device adjusts coil voltage to compensate resistance changes, preventing arcing and contact damage.

A vehicle display controller reduces processing load to manage heat generation.

A vibrating meter sensor determines conduit temperature using the voltage-to-current ratio of existing drive coils or pick-off sensors.

Switchable current sources and control circuitry enable precise temperature signal generation through digital error term calculation.

A temperature sensor code calibrator corrects analog voltage errors using digital calibration factors.

A process variable transmitter identifies temperature sensor wiring and polarity through automated electrical measurements.

An automated calibration system uses adjustable series resistance and a bi-section technique to compensate for fabrication process variations.

A memory module integrates a thermocouple into substrate contact points to generate precise temperature information.

A multiple sample differential scanning calorimeter system calculates heat exchange between sample and reference containers to determine accurate heat flow rates.

A heat-sensitive resistor incorporates a specific polymer into antimony tin oxide or carbon black pastes to boost resistivity.

Camera captures thermal radiation from heat sources to map irradiation distribution and determine workpiece temperature.

A surface acoustic wave sensor on a piezoelectric substrate wirelessly transmits temperature data without internal power.

Segmenting the furnace body from control boards enables independent module replacement, reducing disassembly time and maintenance costs.

A time measuring circuit switches between low-speed and high-speed clock signals to maintain measurement precision.

Reversing thermocouple polarity creates differential error signals that expose parasitic resistance faults in protective tubes.

A controller directs cold air from an exhaust outlet to chips via a variable fan, preventing mixing with surrounding air.

Evaluation circuit derives correction value from measuring resistor electrical resistance to determine precise temperature.

Segmented sensing resistors isolate target gas signals from ambient interference, resolving measurement precision trade-offs in miniaturized devices.

A thermal generator closure harvests temperature gradients to power wireless fluid level sensors.

Determination unit tracks resistance value tendency reversal to suppress accuracy reduction caused by oil type variations.

Merging PTAT and CTAT paths cancels errors to maintain linearity across wide temperature ranges without precise resistor matching.