Current/Voltage Measurement TRIZ Cases

Multi-electrode sensor combines signals to detect energized wiring, eliminating calibration needs across varying wall environments.

Sensing unit detects organic light emitting diode degradation and drive transistor variations to generate compensated data signals for uniform luminance.

A multichannel monitoring system generates unique electrical fingerprints to verify sensor placement on multi-phase power lines.

An abnormal coupling detector monitors voltage differences between display wirings to generate protection signals for the power management circuit.

A trigger time determination apparatus uses multiple low pass filters with different bandwidths to detect events in parallel signal paths.

A prediction system calculates low-voltage expression time using freezing resistance and leakage current measurements.

A secondary battery lifespan assessment method using low-current charging and voltage difference analysis.

An ionic polymer-metal composite induces internal short circuits via bending deformation for precise battery safety testing.

Parallel detection path bypasses internal energy storage to monitor supply voltage levels directly.

A first microcontroller generates and compares a test pattern signal with current measurement signals to verify functionality.

A current sensing module uses a partial path frame to concentrate magnetic flux, resolving size and cost trade-offs.

Independent power-down timers prevent automatic shutdown when the flashlight is active, maintaining detection reliability while reducing energy consumption.

Current sensors measure electrical stress in harvesting machine circuits to detect overheating conditions before component failure occurs.

Asymmetric port positioning and a recessed quarter-wave retarder reduce signal instability from temperature-dependent stress.

An open connection detection circuit measures voltage changes across battery pack inputs to identify faulty connections.

A parallel battery voltage determination unit monitors power levels independently of the main processor.

Orthogonal current paths and magnetoelectric elements cancel external field interference to preserve dynamic range during precise current measurement.

An inverter shutdown test uses an external trigger signal to measure AC current or voltage for precise timing.

A temperature detection circuit uses a timing module to measure charging rates for rapid signal processing.

Battery managers synchronize parallel module voltages via a communication bus to prevent inrush currents during connection.

Permanent magnets generate additive fields that drive arcs toward extinguishers, solving complexity and weight issues in DC circuit breakers.

A portable potentiostat uses a digital-to-analog converter coupled to an analog integrating operational amplifier to generate precise potential sweeps.

Comparing phase currents through existing switches detects row faults without shunt resistors, preventing performance degradation from unequal aging.

Capacitance stores threshold voltage mismatch voltages to balance transistor activation in sense amplifiers.

A secondary battery lifetime estimation device calculates acceleration factors from varied test conditions to predict normal lifespan.

A feed-forward circuit detects output voltage drops to preemptively limit inrush current.

A microcontroller monitors voltage and current to trip the protection relay, preventing power flow to shorted capacitors during fault conditions.

Reverse polarity testing enables reliable LED status verification in railway systems by preventing false warning signals during cold filament checks.

Segmented control unit with asymmetry detection prevents voltage failure propagation by isolating faulty paths while maintaining continuous motor operation.

A non-contact potential measuring device adjusts shutter natural frequencies to increase measurement sensitivity.

Dynamic sampling rate adjustment via a phase-locked loop eliminates measurement ripples caused by incoherent sampling during frequency deviations.

Sensing inductor current at half the on-time period determines output current without sense resistors, eliminating circuit complexity and power loss.

A continuous wave metal detector generates orientation-independent signatures from quadrature and in-phase data to improve target detection.

A calibration method for broadband voltage current probes uses two known loads to determine open and short circuit impedances.

Segmenting quasi-periodic bio-signals via dynamic time warping aligns varying periods, resolving accuracy loss from changing signal cycles.

A capacitor checking method charges the sensor and measures the voltage line to determine operational readiness.

A control device measures primary and secondary voltages to protect electrotechnical components from damage.

A scan driver detects short circuits in common cathode LED arrays using voltage monitoring.

Merging detection paths into one circuit reduces size and current consumption while maintaining accuracy for pyroelectric infrared sensors.

A panel meter receives digitized signals via non-conductive media to display power system attributes.

A battery monitoring method estimates cell temperature by analyzing incremental capacity profiles against reference data.

A DC voltage error protection circuit uses a peak detector and timer to monitor amplified input signals.

Detects vector shifts via phase angle comparison and time derivative filtering to prevent false frequency protection trips.

A power circuit adjusts drive current to enable continuous discharge operation after reaching a setup voltage.

A recursive amplification circuit generates and amplifies differential signals using symmetrical transistor structures.

Segmented current monitoring distinguishes surge-induced changes from actual arc discharges, preventing false alarms in power systems.

A field-effect transistor sensor system measures ion current directly using transimpedance amplifiers to enable continuous monitoring.

Photocouplers isolate high-voltage lines from measurement circuits, preventing surge damage while enabling precise power calculation.

A charge pump control loop measures input and driver currents to dynamically adjust supply voltage, stage frequency, duty cycle, and active stage count.