Current/Voltage Measurement TRIZ Cases

A microcontroller reads diagnostic status signals via a shift register serial output.

A functional measurement block uses flexible cables to connect current and voltage units within a compact rectangular enclosure.

Magnetically attached probe housings prevent loss while rolling edges enable one-handed distance adjustment.

A smart wireless voltage detection device transmits processed voltage information to a remote unit for presentation and storage.

A capacitor charges via a sensing current to detect foreign objects on power pins.

A measurement device uses polarized light through a gas cell to detect electric and magnetic fields via the Zeeman effect.

A signal detection circuit converts voltage signals to current signals using a threshold control module.

Detects phase loss in soft starters by analyzing current phase shifts, eliminating hardware complexity from missing third-line transformers.

Internal MOSFET switches rectify AC waveforms into DC voltage, eliminating external power sources for compact personal care products.

A battery monitoring device uses a signal injector to produce replacement physical sets that emulate safe operating conditions.

A battery diagnosis apparatus calculates individual voltage variations across cells to identify abnormalities without requiring separate current sensors.

Two diverse vital processing units cross-validate current and voltage measurements to detect failures in wayside signaling equipment.

Automated ground conductor monitoring device switches electrical connections to detect faults.

A comparator circuit adjusts a variable reference voltage using a logic portion to match input characteristics across different operational states.

A capacitive voltage modifier adjusts primary supply voltages to compatible ranges for power management integrated circuits.

Class B amplifier circuit maintains constant input node voltage for accurate zero-crossing detection.

A switch cap simulates CAN communication to control battery management system activation.

Asymmetric branch design with feedback control balances current flow to improve measurement precision in integrated circuits.

An integrated busbar module combines multiple shunt resistors and measuring units into a single structure for reliable current detection.

Weighted average current leakage calculation identifies parasitic sub-pixel defects during manufacturing to prevent color coordinate shifts.

Estimating operational states of power semiconductor chips using ensemble models to predict remaining useful life under low frequency sampling conditions.

Detecting hysteric impedance changes during voltage application distinguishes resistive loads from capacitive ones, preventing device damage.

Wearable garment detects body current to trigger relay tester emergency stop, eliminating reliance on bystanders for safety response.

A bipolar transistor stress sensor measures mechanical stress via collector current deflection.

A dual lifting strap apparatus uses a controller to compare motor current draws for balanced load distribution.

A fiber-optic sensor uses a cross-coupling element to balance orthogonal polarization states in the optical path.

A segmented identifier structure generates unique codes for electrical parameters using categorized attributes.

A voltage test device uses the operator's body to complete the measurement circuit for fluid testing.

Detects electrical disturbances in digital protective relays by comparing adjacent sample values, preventing malfunctions caused by initial DC components.

Segmenting the comparator into a front-stage amplifier and rear-stage detector resolves slow output transitions caused by narrow overdrive voltages.

Ratio-based measurement cancels noise and temperature drift to maintain less than 0.2% error during low current operation.

A nonmagnetic housing contains a movable magnet element that signals ferromagnetic object presence through direct magnetic interaction.

Dielectric waveguides replace metal layers to eliminate absorption losses while maintaining evanescent field coupling for label-free detection.

A Hall sensor arrangement uses current spinning to determine residual offset voltage from multiple input signal values.

Synchrophasor measurements extrapolate model-based contingency analysis results for voltage stability prediction.

Microprocessor-controlled circuit breaker detects leakage currents below rated sensitivity to issue early warnings via IoT integration.

A sensor chip on a dielectric layer measures magnetic fields induced by current in a busbar.

Segmented detection modules monitor voltage changes at power and ground pins to locate specific faulty parallel cables without false alarms.

Centralized monitoring system aggregates electric field detector status and alarm signals, reducing worker injury risk from live power sources.

A zero current detection system for switching regulators uses dynamic delay adjustment to improve signal timing accuracy.

Active front end inverter estimates grid voltage vector angle using internal terminal voltages and gate drive signals for precise power factor control.

An active conditioning circuit compensates for parasitic phase displacement in a presettable voltage sensor, eliminating bulky passive networks.

A receipt printer cutter motor uses current sensing to detect drive overload and trigger reverse driving for jam recovery.

Clamping diodes adjust control line voltages during active power down to reduce standby current in memory devices without compromising data integrity.

A submergence recognition circuit senses current flow to detect conductive liquid introduction in electronic devices.

A non-intrusive current mismatch sensor monitors magnetic flux density between paralleled semiconductor devices to ensure symmetrical current sharing.

A battery voltage detection apparatus uses a dual-path comparison between an AD converter and a voltage level discriminator to identify in-range faults.

Dual voltage sensors measure primary and secondary phases to distinguish actual fuse melting from temporary voltage reductions in power converters.

A bridge circuit with an operational amplifier detects substance concentrations using a single power source.