Resistance/Reactance/Impedence TRIZ Cases

A voltage detection circuit uses dummy lines and resistors to verify electrical connections between circuit boards.

Tilting the device under test reduces maximum antenna height requirements for spherical over-the-air testing.

Resonator sensors measure paper web moisture through resonance frequency shifts, eliminating ionizing radiation hazards and air interference.

Sequential force-current and force-voltage probing resolves non-linear resistance errors to prevent false Powered Device identification.

A resonance scanning system detects electromagnetic resonances using a probe and automatic displacement to identify locations, frequencies, and quality factors.

Integrating capacitor couples with lipid membrane to detect voltage changes under alternating current stimulation for non-destructive state monitoring.

Dual measuring cells provide redundant conductivity measurements that resolve limited dynamic range and improve reliability.

Segmenting portable detection from desktop processing resolves the precision-portability trade-off in field environments.

A fuel cell stack diagnostic system supplies alternating currents to measure distortion rates and impedance for accurate fault detection.

A bioelectric impedance measuring circuit generates pseudo-sine waves via a semiconductor integrated circuit for organism testing.

A resonant cavity system measures complex permittivity of small samples using millimeter wave frequency shifts, eliminating fixture-induced errors.

Differential time domain reflectometry converts single-ended signals for accurate fault location detection in complex multi-conductor cables.

Real-time resistance and noise measurements detect degrading marine survey electrodes, eliminating costly seabed retrieval operations.

Embedded microcontroller stores calibration data internally, enabling interchangeable sensors without recalibration.

Randomized micro-features in capacitive touch sensor meshes break periodic structures, reducing moiré interference and improving display clarity.

Segmented detector portions combine independent sensing signals to suppress fifth and seventh harmonic errors without complex pitch compensation.

A dielectrometry system measures trans-impedance changes to determine complex permittivity signatures for material classification.

Pre-driven detectors enable parallel resistance and physical property measurements, reducing total time while minimizing noise interference.

A sum-of-sinusoids current excitation circuit applies composite signals to measure energy storage cell impedance across multiple frequencies simultaneously.

Address conversion unit skips bad blocks using a stored table, improving test yield without pre-selecting defect-free units.

Test instruments share execution time data with system controllers to reduce testing latency and increase throughput.

A second reactive element on the chip provides inductive impedance to resonate with capacitive input reactance.

Continuous electrical parameter monitoring detects degradation in heating elements, enabling proactive maintenance scheduling.

Monitoring equipment processes grounding electrode current signals to detect disconnection and imbalance, preventing image distortion.

A charging current control method determines target impedance by combining mainboard and battery path values to adjust power supply output.

Corrects parasitic signal coupling between transmit and receive electrodes using adjusted measurements to improve touch accuracy.

A successive approximation algorithm applies binary weighted currents to detect resistor values.

A measurement circuit samples potential differences across a sense resistor and SMA wire to calculate resistance values accurately.

A portable instrument injects a marker signal into cable systems to identify shielding flaws.

A network switching test system directs packet flow through bidirectional ports using virtual port mapping to evaluate performance.

Arithmetic unit corrects voltage measurements using reference data from non-conveyance regions to resolve hysteresis errors and improve measurement precision.

A medical coupling unit detects sensor presence, type, and orientation via impedance analysis on electrical contacts.

Embedded sensors measure side wall resistance and current to prevent electron blocking effects.

Cobalt-based sensors detect trace halogen contamination at 0.002 ppm to prevent yield loss from corrosion in semiconductor fabrication.

A wireless passive radio-frequency strain sensor uses rigid substrates to prevent sensing element deformation during structural monitoring.

A flying probe measures delta capacitances between vias to identify residual metal on printed circuit boards.

Phase shifting walls with varactor diodes dynamically tune surface impedance, eliminating device reorientation during EMC testing.

Inclined emission and reception coils detect metal sheets via edge magnetic coupling, eliminating the need for precise positioning between opposite coils.

An RF probe and reflectometer measure reflection coefficients at an intermediate node on the printed circuit board to determine impedance vectors.

A method verifies impedance meter calibration by measuring test values across multiple ranges and comparing results for accuracy.

Shared test circuits apply sequential current pulses to measure actuator resistance, eliminating individual sensors and reducing system complexity.

Embedded conductive layers transform wires into self-contained sensors that identify insulation breaches and core damage before catastrophic failure occurs.

A command return jig loops specific signals to a microcomputer via a communication interface unit.

A five-point probe method determines sheet resistance through multiple measurement configurations.

Reference plate cancels common mode noise to isolate fingerprint signals from parasitic coupling interference.

Alternating DC voltage signals with inverted polarity transmit power through two-wire irrigation cables.

Partitioning circuit designs into sub-circuits based on fan-in cones reduces memory usage and processor time during fault diagnosis.

A capacitive humidity sensor uses differential electrode gaps to maximize sensitivity while maintaining compact dimensions.

Capacitance measurement through wetness sensing electrodes detects liquid presence via an insulating metal oxide layer.

Laminated windshield integrates an electrolyte-based moisture sensor between layers to detect water ingress through electrical property changes.