Ac/Pulses Peak Value Measurements TRIZ Cases

See how voltage sensors and harmonic wave analysis enable a refrigerator to distinguish commerc

RMS current and voltage THD comparison helps detect self-clearing sub-cycle cable faults that traditional FCIs miss, enabling earlier outage prevention.

Detects AC zero-cross timing in half-wave rectified load circuits using period and peak timing, enabling stable control with low standby power.

Half-period area checks on filtered grid signals improve power oscillation detection speed and reliability, even in mixed frequency conditions.

Electrical measurements and machine learning classify battery short-circuit defect causes without manual disassembly, improving speed and consistency.

RMS current and voltage THD comparisons identify self-clearing sub-cycle cable faults that conventional FCIs miss, helping prevent outages.

Half-period area integration detects grid power oscillations quickly and reliably, reducing false alarms in mixed frequency conditions.

Two hold circuits split minimum and maximum voltage capture to cut reset dead time and resist high-frequency supply fluctuations.

Filtered peak detection isolates high-frequency supply oscillations, enabling threshold-based regulator instability detection without ultra-fast comparators.

Asynchronous peak hold circuits capture nanosecond trace voltage spikes, enabling low-power EMP glitch detection without redundant hardware.

Feedback loops with square-law and diode-connected transistors cancel noise current, improving low-level RF peak measurement accuracy.

Two mirrored rectifier-capacitor paths recreate and cancel reverse-recovery error, improving peak detection for short and high-voltage signals.

Switch-controlled peak voltage detection stores the input peak on a capacitor while limiting charge loss and voltage droop.

Two rectifier-capacitor branches recreate and cancel reverse-recovery and nonlinearity errors, improving peak detection for short pulses and high voltages.

Common-mode sensing and a replica block cancel correlated flicker noise in a differential peak detector without slowing operation.

Internal multiplexed output control lets an op-amp track and hold waveform peaks without external diodes or switches, preserving common mode range.

Load-current sensing adjusts gate charging current to cut half-bridge switching noise while preserving efficiency and preventing inrush current.

A bias transistor and amplitude regulation stage replace large bias resistors and external polarization sources to cut quartz oscillator power and area.

A single pulse between two reference voltages lets one circuit detect AC zero crossings and voltage amplitude with fewer components and lower cost.

A two-phase peak detector delivers accurate current output from rail-to-rail voltage inputs while correcting offset-driven non-linear errors.

Multi-point calibration and I-V sweep correction extend mm-wave RF power sensing range while reducing noise, mismatch, and RF test cost.

A differential Rogowski coil and threshold-based processing classify non-intrusive EMI events as ESD or lightning for later retrieval.

Magnetic induction from a differential Rogowski coil detects EMI transients and separates electrostatic discharge from lightning.

Detect current transformer peaks to combine switchgear current and temperature sensing.

A current sensor and controller extract signal features to identify alternator faults early and support real-time monitoring.

Circuit corrects audio level meter readings using attack and release time parameters to reflect true signal power.

Detects phase loss via voltage extremum analysis to prevent unstable conveyor operation.

A signal detector circuit generates single-ended peak and reference signals for direct comparison.

A detecting circuit for a circuit breaker uses low pass filtering and offset removal to process detection signals.

An intrusion detection device analyzes physical signal characteristics to infer message source identifiers on flat bus networks.

Segmented envelope detector processes differential inputs via logic resets to detect 50 mV USB2 thresholds at 480 Mbps.

Controller manages AC power supply timing to parallel heaters based on current thresholds.

A high linear fast peak detector uses variable bias current and voltage to capture large sharp voltage peaks accurately.

An apparatus determines ground fault phases by analyzing phase-to-phase RMS current values and residual currents without voltage sensors.

A switching device converts mains voltage to a proportional measurement signal using a conversion transistor and reference resistor.

A peak detecting circuit generates indication signals based on input voltage variations using modular sampling and holding mechanisms.

A power detection circuit converts average and ripple voltages into time information for maximum power point tracking.

Comparing phase current traveling wave amplitude and polarity selects fault lines despite arc suppression coil compensation.

A clamping circuit constrains AC voltage for comparators to detect threshold crossings.

Combine electromagnetic and acoustic sensor data to localize partial discharges without requiring synchronous signal measurement.

An active grounding system applies counteracting voltages to neutralize rotating shaft potentials and utilizes automated waveform analysis for continuous monitoring.

A tunable band-stop filter suppresses wideband RF interference using voltage peak detectors and an open-circuit stub.

Calibration circuit generates a signal with predetermined amplitude to calibrate the peak detector.

Current sensor detects treadmill motor load changes to determine user movement patterns, resolving insufficient gait evaluation precision.

Cross-coupled transistors and scaled base-emitter ratioing maintain relative errors below 4% across wide input ranges.

Band-adjusting elements modify frequency characteristics of divided signals to resolve limited frequency response in differential peak detection.

Encoding LiDAR pulses with sequence codes resolves interference from overlapping scans by correlating received signals against transmitted patterns.

Single-pass LiDAR histogramming adapts resolution via coarse and fine modes to resolve the measurement precision versus power consumption trade-off.

A detection transistor circuit applies voltage corrections based on thermal parameters to improve measurement precision.

Summation shunt extracts peak current data from three-phase inverter bridges, resolving the trade-off between measurement precision and device complexity.

A method computes a dynamic peak current density specification for integrated circuit conductor lines using on-time and thermal time constant parameters.