Current/Voltage Measurement TRIZ Cases
- Protection Circuit for DC/DC Power Converters in Tristate Mode
A protection circuit monitors switch node voltage to disable power supply during tristate operation.
- In-Vehicle Determination Circuit Ground Potential Variation
A determination circuit generates a current-dependent potential difference to detect overcurrent states in vehicle power supplies.
- Autonomous Energy Detection for Safe Grid Maintenance
Detection models analyze consumption and weather data to identify autonomous energy sources in dwellings.
- Three-Phase PWM Inverter Current Measurement Using Junction Temperature Estimation
A three-phase PWM inverter system estimates switch junction temperature to dynamically adjust drain-source resistance for accurate current calculation.
- Battery Management System Nonlinear Temperature Sensing Circuit
Nonlinear temperature sensing circuit detects battery thermal state via differential amplification and analog-to-digital conversion.
- Current Detector Circuit for Low Voltage Non-Volatile Memory
A current detection circuit uses bias and measurement stages to maintain a constant voltage at the measurement node.
- Semiconductor Device Temperature Detection Using Hysteresis Comparators
Hysteresis comparators compare diode forward voltage against reference thresholds to eliminate amplification errors and stabilize operation.
- Resampling Signal for Synchrophasor Measurement
A resampled even angle signal enables synchrophasor analysis.
- SPAD Threshold Control Circuit for LiDAR Photon Detection
Threshold control circuits adjust firing detection limits based on monitored output signals to minimize dark count rate variation in SPAD arrays.
- Capacitive Voltage Indicator Harvesting Electric Field Energy
Capacitive electrodes harvest electric field energy to power indicators, eliminating expensive electret devices and battery requirements.
- On-Chip Leakage Current Monitor Circuit Using Proportional Transistors
A leakage current monitor circuit uses proportional transistors to replicate die-wide off-state behavior for accurate analog measurement.
- Hybrid Time-Frequency Distance Protection for Power Systems
Frequency-domain supervision validates time-domain fault detection signals, reducing false positives while maintaining fast response times.
- Signal Acquisition Probe Time Delay Memory for Automatic Waveform Alignment
A signal acquisition probe stores its propagation delay in memory to enable automatic waveform time shifting.
- CRUM Authentication via Test Cell Voltage Response
A CRUM test cell generates a response voltage to verify component authenticity.
- Battery Control Unit Nanocontroller Isolator Architecture
Nanocontroller synchronizes voltage measurements across high-voltage isolation barriers using feedback loops to reduce system costs.
- Pumping Voltage Detector for Semiconductor Memory
A pumping voltage detector divides supply voltage at two ratios to generate a detection signal without delay.
- Annular Current Sensor Core Dimension Optimization
A current transformer with optimized annular core dimensions supplies energy and measures low-voltage circuit current.
- Arc Detection Apparatus Using Electrical Energy Calculation
An arc detection apparatus calculates electrical energy from shaped current and voltage signals to identify arcs.
- Self-Tuning Battery Voltage Offset Compensation
Boot-time iterative voltage measurement compensates circuit offset errors, ensuring accurate state of charge estimation without external calibration equipment.
- Adjustable Power Supply Array for Multi-Voltage Data Center Servers
A controller monitors voltage and current at each output terminal to detect layout errors and enable automatic power management across servers.
- Storage Voltage Detection for LCD Aperture Ratio and Current Optimization
Applying a test voltage to the storage line detects the optimal storage level, keeping the active layer inactive to decrease current consumption.
- Operation Circuit Calibration Method Reducing Offset Drift Time
A calibration method updates operation circuit offset using reduced bit searches to maintain precision.
- Under-voltage and Over-voltage Detection Circuit with Hysteresis
Parallel transistors generate hysteresis in a detection circuit, reducing device area while maintaining measurement precision.
- Display Clock Supply Circuit Overcurrent Detection
Clock supply circuit applies test voltages to output terminals immediately after power application, extending the detection window for short circuits.
- Traceable Fiber Optic Jumper Using Electromagnetic Tone Detection
A fiber optic jumper with an internal tracing conductor radiates an electromagnetic field for location identification.
- Islanding Detection via Grid Parameter Estimation
Estimates grid parameters using a cost function to detect islanding conditions, distinguishing faults from disconnection events.
- Digital Multimeter Auto-Save Stability Detection
Auto-save component captures stable measurements in digital multimeters without manual intervention.
- Dynamic Reference Voltage Generator for RRAM Margin Read Accuracy
A sensing reference voltage generator adjusts output levels via a variable resistor to match read-out current ranges in memory devices.
- Surge Arrester Leakage Current Detection Using Fourier Analysis
Fourier series expansion extracts resistive leakage current from total surge arrester signals without direct voltage measurement.
- DC Component Fault Classification for Three-Phase Cables
Magnetic sensor array detects decaying DC components to classify three-phase short-circuit faults without pre-calibration or electromagnetic interference.
- Analog Power Supply Monitor Circuit for Fast Response
A comparator and variable gain amplifier circuit simultaneously samples voltage and current signals in the analog domain.
- Wearable Non-Contact AC Voltage Detection Glove
An insulative membrane protects the user and antenna network from electrical contact while enabling reliable detection of energized equipment.