Current/Voltage Measurement TRIZ Cases
- Output Stage Fault Detection via Periodic State Switching
Periodic switching between operational states enables continuous fault detection in automotive output stages without additional hardware.
- Infrared Sensor Monitoring for Electrical Supply Temperature
Continuous infrared sensor monitoring replaces manual inspections to detect temperature anomalies and prevent component failures in electrical supply systems.
- PDU Sensor Self-Test via Microprism Refraction
A PDU sensor uses a microprism to reflect infrared signals for self-testing.
- Integrated Electrostatic Voltmeter and Charge Adjustment Circuit
Integrating measurement and adjustment via one conductor resolves the trade-off between high impedance sensing and active charge control.
- High-Voltage Test Safety via Electrical Parameter Monitoring
Monitoring temporal profiles of current and voltage enables automatic disconnection when a person contacts live parts, reducing injury risk.
- Resistive Shunt Lead Attachment via Hole-Through Mechanical Clamping
Hole-through lead attachment with a resilient plug maintains clamping force on resistive shunts, eliminating thermoelectric errors from dissimilar materials.
- DIMM Remote Voltage Sensing for Power Optimization
A system management bus digitizes DIMM voltages to enable dynamic regulator adjustments.
- Power Measurement Device Using Intermediate Frequency Conversion
Intermediate frequency synthesis enables precise wattage calculation by reducing noise interference while maintaining digital information exchange capability.
- Voltage Sensing Circuit Feedback Loop Reduces Gain Drift
A voltage sensing circuit uses a feedback loop to modulate and demodulate signals for accurate measurement.
- Zero-Current Detection Circuit Using Opposing MOSFETs
Opposing MOSFET branches enable accurate zero-current detection, reducing power losses and heat buildup in phase-cut dimming circuits.
- Auxiliary Processor Determines CPU Minimum Voltage
An auxiliary processor determines the minimum working voltage of a terminal CPU during switch-on.
- Two-Stage Power Source Monitoring Circuit for Vehicle Standby
A two-stage monitoring circuit detects supply voltage changes using a low-power analog first stage to trigger a microprocessor second stage.
- Circuit Tracer With Rotating OLED Display And Inductive Clamp
A circuit tracer uses a rotating OLED display and inductive clamp for signal detection.
- Secondary Battery Inspection Timing for Low-Temperature Output Accuracy
Performing low-temperature output inspection before SEI coating formation ensures larger reaction resistance, improving measurement accuracy.
- Orthogonal RF Sensor Loops for High Dynamic Range Current Measurement
Orthogonal sensor loops minimize electric field interference to improve measurement precision and dynamic range in RF control circuits.
- Harmonic Filtering in Electrical Energy Meters
Digital signal processing removes harmonic distortion from AC voltage signals, ensuring accurate energy measurement despite signal interference.
- Shared Battery Cell for Redundant Voltage Monitoring
A shared battery cell provides redundant voltage measurements, improving detection accuracy without adding circuit complexity.
- Flash Memory Read Reference Voltage Determination
Determining read reference voltage by minimizing erroneous bits to resolve data reading accuracy issues in NAND flash storage.
- Power Supply Device Detection Circuit for PoE Load Validation
Detection circuit applies sequential resistances to measure load resistance, preventing system oscillation during PoE device validation.
- Optical Current Measurement Resistor for HVDC Isolation
Electro-optical conversion eliminates inductive limits and complex insulation, enabling accurate DC current measurement.
- Smart Electronic Switch for Dynamic Load Protection
A smart electronic switch circuit processes current sense signals to generate power signals and compares filtered values against thresholds.
- Antiparallel Thyristor Failure Detection via Alternating Phase Analysis
Alternating activation of first and second thyristors isolates individual component faults, preventing heater damage in substrate processing apparatuses.