Resistance/Reactance/Impedence TRIZ Cases

A flexible tactile sensor uses conductive nanostructures embedded in a polymer matrix to detect force and slip events via impedance changes.

Nodes generate electromagnetic fields and detect disturbances to identify intruders, reducing energy consumption by eliminating external sensors.

A test data indexing method selects and organizes pre-generated subsets to fit device memory constraints.

A semiconductor monitor circuit measures parameter values at different times to detect device degradation.

Capacitive coupling connects bond pads across a touch sensor substrate to enable single-sided circuit attachment.

Calibrating shunt resistance with a swept frequency reference isolates voltage drops, eliminating power waste from precision resistors.

Spatially distributed guard potential isolates sense impedance from noise leakage, enabling faster transient settling in pulsed and RF measurements.

A programmable integrated capacitance model circuit provides a known reference on the carrier substrate.

Parallel test channels generate distinct frequencies for function blocks, reducing sequential testing time and improving reliability.

A test plan executes activities during measurement wait times to reduce total IC testing duration.

A calibration method calculates absolute position using electrostatic capacitance ratios at movement limits.

A control device calibrates auxiliary receiving devices using a high-precision reference receiver to measure electromagnetic wave distribution.

Active directional structure replaces passive bridges with transistor circuits, reducing noise and improving port isolation in vector network analyzers.

Dual integrating circuits detect touch signals and adjacent electrical noise, allowing a subtractor to remove interference from the measurement.

A reference wire replicates long connection characteristics to provide compensation data for sensor detection signals.

A circuit measures battery dielectric housing impedance using signal generation and sensor modules to detect leakage currents.

A microstructure device uses a larger electrode contact diameter to stabilize electrical characteristics during molecular membrane measurements.

Superimposes a distinct frequency test signal on track circuits to pinpoint leakage locations and prevent incorrect information transmission.

A handheld UHF device detects metal in thin films using wideband antennas.

Photoelectric converter equalizes electrode potentials between irradiation events to stabilize sensitivity.

A compensating circuit uses a programmable capacitance array to adjust electrical properties for AC voltage measurement.

Nitrogen vacancy centers in diamond measure 10 to 100 nm material properties by correlating spin relaxation time with Johnson noise fluctuations.

Monitoring circuitry detects charge buildup errors on the electrode, triggering active discharge to maintain measurement accuracy.

A semiconductor chip testing method calculates failure rates using error checking and correcting coefficients derived from read-write tests.

A vector network analyzer merges coupled signals via a summing line to enable shared receiver processing.

Segmented antenna groups with dynamic controllers synthesize plane waves to measure directional characteristics simultaneously in compact nearfield setups.

Graphene layers in composites convert mechanical stress into electrical signals, enabling rapid diagnosis of internal defects without external sensors.

A resistance measuring apparatus uses detachable center and edge electrodes to determine volume resistance of a specimen without altering its initial state.

A spherical capacitive plate probe eliminates stylus bending through non-contact electrical field sensing.

Structures a micromechanical movable mass directly from the substrate using a sacrificial stator electrode as a mask.

A fuel cell system calculates combined capacitance to determine anode gas concentration levels.

Dynamic current control reduces battery drain by switching between high and low current modes based on open or closed circuit detection.

Replacing bulky lock-in amplifiers, the device uses a programmable phase delay unit to extract signal power from nanowires while reducing size and cost.

A microcontroller-based impedance analyzer uses switching circuitry to couple calibration impedances for accurate signal processing.

An electrical calibration circuit replaces hazardous test liquids by connecting resistors to sensor electrodes, ensuring safe manufacturing accuracy.

A capacitive stability element adjusts circuit impedance to enable accurate current measurement across varying load conditions.

A fuel cell system estimates reference voltage from command values to compute air stoichiometric ratio without multidimensional mapping.

Internal synthesizer signals enable error-corrected measurements in portable equipment, eliminating the need for bulky external calibration kits.

A radially adjustable piston in an air-isolated coaxial line modifies impedance for controlled RF mismatch testing.

Pulse voltage measurement captures FET characteristics while impedance correction calculates actual drain bias to resolve self-heating errors.

A sensing circuit monitors voltage drops across magnetic storage elements to detect conductivity changes.

A sync signal generator produces timing references using a charge amplifier and comparators to synchronize touch sensor operations.

Fast transition excitation voltage signals determine system resistance without artificial loads, preserving battery life and enabling rapid quality control.

Compact microcontroller-based measurement replaces bulky instruments, enabling real-time health evaluation and fault diagnosis of vehicle-mounted fuel cells.

Segmented concave grooves distribute humid gas uniformly across the membrane, resolving precision and uniformity trade-offs in ionic conductivity testing.

Adaptive monitoring reduces energy usage in capacitive detection systems by adjusting sensor activity based on detected object presence and position stability.

Merging signal transmission with deformation sensing via conductive trace properties reduces component complexity in wearable biometric monitoring.

An immobilized corrosive agent dissolves in liquid to corrode a sensing element, eliminating false positives from high humidity and continuous monitoring.

A filter with a capacitive-summing junction equalizes voltage-mode signals in proximity communication circuits.