Resistance/Reactance/Impedence TRIZ Cases

A grounded conductor simulates user touch on a touchscreen device through electrical switching to enable precise functional verification.

Guide flat surfaces on an inspection jig slide against reference flat surfaces on a connector housing to regulate insertion position and direction.

Microwave radiation and elevated pressure cure electrically-insulating adhesives uniformly, eliminating voids and preventing thermal stress-induced warpage.

An elastic multi-contact probe measures sheet resistance and contact resistivity using conductive elastomer strips.

Insulated connecting wires protect copper conductors from corrosive underground soil environments while maintaining electrical continuity for reliable grounding systems.

Addition circuitry combines probe and reference signals with varying phase rotations to extract quantitative channel parameters.

Relative movement separates components from conductive tables during measurement, eliminating interference that degrades electrical characteristic accuracy.

Replacing alternating current generation with direct current switching eliminates complex signal processing circuitry while maintaining measurement accuracy.

RF-actuated switches selectively activate passive sensors, preventing parasitic interference and ensuring accurate multi-point monitoring.

A transmit receive RF system calculates operational parameters using complex scattering parameters and wave detector signals.

Quadrature tracking filters compute electrical component impedance from voltage and current signals at specific frequencies.

Synchronizes positive and negative electrode potentials by adjusting alternating current amplitude, eliminating phase difference induced current leakage.

A capacitor with spaced electrodes dielectrically heats an aerosol-forming substrate using alternating voltage.

Adjusts AC signal amplitude via feedback control to suppress accuracy loss from capacitance fluctuations.

Equal-ratio resistive dividers cancel differential modes to separate forward and reverse signals, reducing VNA complexity.

A microwave resonance apparatus analyzes independent frequency modes to determine mass and moisture in dielectric objects.

A self-standing sandwich structure integrates capacitive sensing and heating layers into a single flexible unit.

A live finger detection system uses radiated radio frequency electric field patterns to distinguish biological tissue from artificial replicas.

A pair of directional couplers linked by a transmission line provides accurate power detection independent of load phase.

A microwave sensor system measures bladed rotor speed using electromagnetic signals and down-conversion circuitry.

A method normalizing borehole resistivity and overburden pressure data to construct a coupling constraint for deep geothermal temperature distribution.

A potentiometer integrates voltage measurement to determine position data and detect contact resistance changes.

Grounding the eMMC command line forces a boot state, enabling standalone heat endurance testing without external host systems.

Segmented conductors with intermediate ports cancel circulating waves to maintain field uniformity across the test area.

Segmented porous ceramic elements with distinct liquid release curves resolve the trade-off between measurement precision and device complexity.

Estimating output terminal impedance of a DC-DC converter identifies cable damage causing voltage drops, preventing erroneous auxiliary battery replacement.

An integrated metamaterial antenna sensor measures soil impedance across multiple frequencies, reducing size by 93% while maintaining wireless communication.

Segmented spring-biased pogo pins compress during engagement to reduce friction wear and preserve measurement accuracy in four-wire sensing circuits.

A thin-film resistive sensor uses a dielectric layer between electrodes and a barrier to enhance signal-to-noise ratio.

Resonators induce electric and magnetic fields in tissue near zones, allowing characterization by resonating response to improve differentiation accuracy.

Separating photoconductive elements from transmission lines minimizes back reflections and impedance mismatches for accurate TDR measurements.

A test key structure measures electrical resistance across diffusion and isolation regions to determine substrate step height.

A validation system enables real-time script modification by field personnel through a central master validator.

A network scanner injects scan signals between ports to differentiate concurrent and isolated connections.

A wafer inspection method adjusts detection sensitivity using local geometric attributes to tailor defect identification across different design regions.

A calibration method segments main and secondary crosstalk error terms to correct on-wafer S parameter measurements using dedicated calibration pieces.

A passive electrical oscillating circuit generates precise calibration currents through controlled electromagnetic resonance.

Occupancy detection system measures impedance at varying frequencies to identify object presence.

A humidity sensor uses a porous Teflon membrane to protect the sensing element from liquid water and dust while allowing vapor diffusion.

An AC power supply injects current into stacked batteries while an adjusting part maintains equal electrode potentials to calculate internal resistance.

A pulse circuit uses a transmission line to route test signals while blocking reflected pulses of opposite polarity from reaching the device under test.

Extending a via stub with a conductive trace creates a resonant circuit that cancels reflections, solving signal degradation without costly backdrilling.

Hadamard matrix processing resolves crosstalk and reduces power consumption in proximity detection systems.

A dual-modality ERT/ECT sensor tracks moisture intrusion in concrete structures through integrated electrode arrays.

Reference patterns on multilayer wiring boards calculate normal electric capacitance without acceptable products, reducing production costs.

An apparatus applies AC signals to slurries and measures impedance for rapid uniformity detection.

A current measuring apparatus uses an impedance setting module to simulate battery characteristics for electronic device testing.

Correlates substrate defect locations with electrical test data using a standalone physical map to reduce failure analysis turnaround time.

Phase shifters derive additional signals from excitation and secondary windings, enabling accurate angular position calculation without lag errors.