Current/Voltage Measurement TRIZ Cases

An external test fixture uses a pull-up circuit to read USB output voltages, eliminating operating system boot times and improving test efficiency.

A variable resistor unit adjusts electrical resistance to limit current flow through an internal power line.

A cell state calculation apparatus estimates open circuit voltage by deriving active material amounts from normal charge and discharge data.

Insulated current detection portion along beam transport path inner wall measures charged particle beam intensity for precise irradiation control.

A reference voltage comparison circuit calculates relative voltage differences between individual battery cells for precise differential parameter extraction.

A high-speed multi-phase voltage regulator uses integrated sense transistors and digital correction to provide accurate rail current information.

Segmented sensor modules replace entire assemblies when faulty, reducing downtime while maintaining precise power consumption monitoring.

An FPGA system splits analog signals into interim streams to determine threshold crossing times with high precision.

A compensation circuit generates a sensing voltage proportional to temperature using dynamic current scaling.

A clocked power supply unit uses a shunt to provide proportional voltage or current signals at external test points for direct output current monitoring.

Connecting a load increases battery current above measurement error thresholds, enabling reliable standby power supply during cold operation.

Wireless sensor networks detect faulty cables in dense urban grids, eliminating costly manual inspections.

Intelligent electronic device applies stored calibration factors to gain-controlled channels for precise electrical measurements.

A phase identification system samples voltage waveforms at a reference location and compares them with field conductor signals to determine relative phase.

Segmented winding sections maintain safe creepage distances while detecting short-circuit currents without bulky isolation circuits.

An LED driver circuit calculates inaccessible load current using PWM duty cycle multiplication and comparison signals.

Analogue low-pass filtering and digital compensation process mutual inductance sensor signals to expand dynamic range for non-sinusoidal currents.

A high input impedance amplifier and capacitor enable non-contact operation for detecting small electrical potentials.

A bulk voltage detector uses a voltage sensor with adjustable gain to amplify detection signals within a target range.

Transforming instantaneous currents to charge sums filters saturation distortion, enabling reliable fault detection without blocking.

Analyzes charging profiles to identify inflection points for accurate cell group diagnosis.

A dual-mode power converter switches to buck operation to transfer stored energy and restore output voltage levels.

Comparator circuit detects voltage peaks and dips in vehicle wiring looms, reducing incorrect fault attribution.

A load switch circuit dynamically switches between voltage and current control modes to regulate charging currents.

A current detection circuit adjusts voltage levels using logical product signals to verify gate states and suppress noise interference.

A USB data monitor detects media device operating states by analyzing voltage signals and bit rates at the connection port.

Replacing standard pull-down resistors with a PTC thermistor reduces sensitivity to insulation resistance drops and prevents unwanted releases caused by creepage paths.

A detection circuit measures voltage differences across a microphone terminal to identify inserted media plug types.

Thermal cage couples sense and gain-setting resistors to stabilize resistance ratios, eliminating temperature-induced errors in copper PCB current sensors.

Dual processing channels detune a voltage regulator to generate test conditions, eliminating redundant monitoring hardware and lowering manufacturing costs.

An integrator circuit accumulates irregular SMPS current waveforms into a stable sample voltage, bypassing ADC speed limits and eliminating large resistors.

Microcontroller monitors voltage regulator output via analog-to-digital converters, setting fault flags when thresholds are exceeded to manage contactor states.

A sense amplifier circuit uses a current mirror to manage voltage levels at latch terminals.

A digital evaluation circuit determines oscillator signal times of stay to generate a proportional residual current output.

Removable probe latch assembly stabilizes voltage tester connections via alignment ridges, resolving robustness trade-offs in handheld testing.

Plastic frame interconnects battery cells in series while routing voltage signals to a management system.

Segmented magnetic coils drive leaf springs in a dual-shutter potential sensor, resolving weak driving force from small displacement.

Magnetic sensors detect current on the breaker face, eliminating skilled labor for wire separation.

A CMOS latch sense amplifier uses a switch circuit to separate input and output lines.

An arc fault detection unit calculates voltage and current values to identify electrical faults in low-voltage circuits.

Segmenting electromagnetic field monitoring isolates differential-mode signals from common-mode noise, enabling accurate ground fault detection in three-phase equipment.

A notification appliance circuit detects end-of-line resistor values by measuring terminal voltages and calculating wiring resistance.

Modular segmented windings reduce manufacturing complexity and cost while maintaining high precision in Rogowski coil current sensors.

A supervisory integrator analyzes redundant sensor signals to detect equipment failures in electric power systems.

Shared operational amplifier reduces component count and power consumption while supporting dual impedance measurement modes.

A voltage sampling control circuit generates blanking time signals to shield resonance periods during transformer winding measurements.

A control circuit isolates DC offset currents from alternating power lines using a Hall Effect sensor and filter sub-circuit to generate a precise DC output signal.

A portable valve assembly generates pressure pulses to entrain non-nutritive suck patterns in premature infants.

A bidirectional current sense circuit uses switch-controlled feedback paths to disable an operational amplifier input stage.