Current/Voltage Measurement TRIZ Cases
- Two-Wire Loop Diagnostic Signal Encoding
Segmenting current levels transmits predictive diagnostics without disrupting process variable transmission.
- Leakage Current Detection Device With Calibration Winding
A detection device uses a magnetic core with separate windings to measure leakage current accurately.
- Display Device Pixel Degradation Compensation via Dual Sensing
A display device uses a sensing driver to generate defect and characteristic data for accurate pixel degradation compensation.
- Spark Discharge Detection Using Waveform Extension Circuit
Waveform extension circuit transforms time-domain sampling into amplitude-based detection, reducing storage needs and hardware costs.
- Electrical Fault Indicator with Voltage Detection and Bistable Signaling
A fault indication device uses voltage detection and signaling processing to provide distinct signals for prevention and location.
- Generator Rotor Fault Detection via Fractional Harmonics
Fractional harmonic analysis of circulating current identifies generator rotor faults using available stator measurements.
- LLC Resonant Converter Open Fault Diagnosis via Capacitor Voltage
Comparing resonant capacitor voltage against thresholds locates open faults in LLC converters without complex multi-sensor systems.
- Circuit Interruption Apparatus With Predicted Fault Current Assessment
A circuit interruption apparatus determines predicted fault current levels using local voltage and current measurements.
- Power Distribution Network Monitoring via Data Reception Timing
Abnormality detector monitors measuring instruments on power lines to detect communication failures, preventing undetected theft or damage.
- Voltage Detection Circuit for Electrical Safety Verification
Integrated voltage meter and secondary power supply detect electrical hazards on equipment busses, eliminating time-consuming live-dead-live testing procedures.
- SK Analysis for Power Load Modeling and Voltage Control
SK Analysis models power loads as constant impedance and constant power components to enable dynamic voltage adjustments.
- Parallel Switch Short Circuit Protection Using Sum Current Detection
A short circuit protection apparatus detects sum currents across parallel switches to identify failures without individual sensors.
- EWOD Sensing Apparatus Differential Current Measurement
Differential current sensor system isolates parasitic capacitance and electromagnetic interference to improve measurement precision.
- Battery Pack Controller for Over-Discharge Protection
Dynamic threshold adjustment based on temperature prevents battery deterioration caused by inaccurate over-discharge detection in portable electric tools.
- Memory System Power Source Control Circuit Overvoltage Protection
A power source control circuit detects input voltage levels and interrupts the supply to protect memory components.
- Induction Heating Control Circuit Polarity-Based Delay Adjustment
A control circuit adjusts activation signal delay based on coil current polarity to align switching with energy dissipation periods.
- Current Sensing IGBT Spike Filtering via Blanking Circuit
A blanking circuit ignores voltage spikes during switching to protect current sense IGBTs from false triggering.
- High Side Current Sensing Circuit for Power Deviation Detection
Power monitoring circuit uses shunt resistor and integrating sampler to measure transient and prolonged current deviations.
- Removable Power Inlet Current Rating Detection
A removable power inlet sends a signal to indicate its ampere rating.
- Transformer Phase Shift Compensation for Differential Relay Accuracy
Iterative matrix selection automatically compensates phase shifts, preventing differential relay mis-operation during faults.
- Battery Monitoring Device Stack Bar Noise Isolation
Separate processing blocks and short circuit lines isolate voltage detection from stack bar noise, preventing measurement errors during high current operation.
- Power-On Fuse Read Verification in Semiconductor Storage
A semiconductor storage device verifies a special ROM code before reading setting information from the memory cell array.
- Battery Capacity Monitoring Using Discrete Voltage Threshold Counters
A battery monitoring device tracks end-of-discharge voltage values using assigned counters to determine maximum available capacity.
- Variable Resistor Detection Circuit for Battery Capacity Measurement
A detection circuit uses a variable resistor to measure real-time working current in electronic terminals.
- Aircraft Generator Overvoltage Prevention via Current Prediction
An independent controller predicts primary control current to detect generator overvoltage conditions before damage occurs.
- Dynamic Lithium-Ion Charging Algorithm for Capacity and Thermal Management
A user-aware charging method maximizes charged capacity within specified time using dynamic current adjustment.
- Battery Monitoring Circuit Using Autonomous Counters
A battery monitoring circuit uses autonomous high and low counters to track voltage thresholds without microprocessor intervention.
- Display Panel Potential Regulation via Dynamic Voltage Compensation
A potential regulator adjusts output voltage to compensate for display panel deviations.
- Switching Regulator Power Manager for Battery-Powered Load
A switching regulator delivers power to a load while charging a depleted battery, reducing voltage drop losses.
- Detection Circuit for AMOLED Brightness Uniformity
A detection circuit measures threshold and working voltages in pixel circuits to enable external compensation.
- Programmable Leakage Current Sensor with Automated Self-Testing
Programmable leakage current sensors use automated self-testing to verify detection circuits, preventing disruptive power interruptions in data centers.
- Phantom Voltage Detector for Emergency Lighting Blackout Sensing
A phantom voltage detector senses residual line voltages to trigger secondary power sources during outages.
- Test Handler Loading Unit for Semiconductor Pitch Adjustment
A test handler loading unit adjusts semiconductor device pitch using moving tables and dual picking apparatuses.
- Bit Line Sense Amplifier Layout for Semiconductor Memory
A bit line sense amplifier layout separates transistors to prevent shared active regions from causing data sensing errors.
- Pivot Grip Hand Tool for Surface Orientation Adaptation
A hand tool with a pivot grip and concave finger holds rotates around a central axis to scan surfaces.