Resistance/Reactance/Impedence TRIZ Cases

Reversed reference voltage phases enable rapid analog-to-digital conversion that eliminates slow PI control loops and reduces measurement periods.

A battery monitoring method extracts idle voltage from measured signals to isolate cell potential.

Eddy current sensors measure wafer sheet resistance without physical contact.

Dedicated test bumps on IC corners isolate resistivity measurement from active devices, preventing damage during quality control.

A measuring device injects a test signal into its clamp to monitor intensity changes during operation.

An acquisition device injects a low current to generate an offset signal for continuous disconnection detection of analog seismic sensors.

A terahertz reflection device measures thin film conductivity without physical contact.

Time-of-flight microwave detection measures cold-rolled steel strip edges, eliminating noise interference in continuous annealing furnaces.

Replacing small reference resistors with larger values in the sensing path improves control precision while maintaining low power consumption.

A ring oscillator models functional circuits to measure parametric degradation under stress, assessing protection efficacy without adding device complexity.

A solar combiner system calculates string energy production by injecting known current into panel feeds to measure protection device resistance.

Recursive least square processing estimates component parameters to maintain power supply quality despite aging or load changes.

Handheld sensor leakage tester applies DC voltage through a high-impedance resistor to detect electrical contamination between pins and connector shell.

A multiplexed bus system connects multiple sense and source modules to establish independent feedback loops.

Configurable delay control in clock domain interface circuitry reduces latency and increases bandwidth by dynamically adjusting input and output delays.

Test patterns measure electrical resistance to detect signal line disconnections in flexible display substrates.

System measures battery internal impedance rate of change to detect subtle structural defects early, preventing thermal runaway and explosion risks.

A transducer built-in self-test injects signals into a common-mode terminal to measure output amplitude differences between sensors.

A high voltage detection circuit uses ferrite beads to suppress electromagnetic interference during phase angle measurement.

Microwave imaging detects internal tire flaws through dielectric property measurement, replacing time-consuming x-ray methods with quantitative assessment.

Segmented wireless receivers maintain phase locking while moving around an antenna, eliminating signal attenuation from cable connections.

A particle characterization method uses a large aperture to detect large particles in suspensions without extensive dilution.

A parallel arrangement of multiple sense resistors measures cell currents via voltage detection across each component.

Cross-validating electrical fault signals with optical detection eliminates nuisance trips from ambient light sources.

A capacitive plate dielectrometer measures permittivity using a small rotating sample between parallel plates.

Replacing electrical mixers with opto-electronic probes reduces device volume while extending frequency range into the terahertz domain.

An asymmetric conductive aperture measures multiple resonant modes independently, resolving the trade-off between device complexity and measurement precision.

Capacitive signal transmission replaces complex optical detectors to verify alignment precision in 3D electronic device stacking.

A closed-form matrix method calculates unknown S-parameters directly from known network descriptions without iterative approximation.

Segmenting test regions with distinct contact holes isolates contact and connection resistances, resolving measurement inaccuracies that cause driving defects.

A local oscillator shifts frequencies to distinguish instrument-generated spurs from device signals.

Electronic displays with cameras transmit diagnostic data to remote networks for real-time operator viewing.

A pulse-width modulation system generates a resistance-representation signal from heater current and voltage for precise temperature regulation.

A wireless transponder unit senses voltage differences between conductive contacts to generate joint quality data.

A near-field communication powered detection circuit monitors element states using oscillator frequency comparison.

Integrating a sensor patch with an RFID antenna resolves the trade-off between device complexity and sensing versatility.

Integrated test connectors enable simultaneous impedance characterization of sensor and signal conditioning circuits.

Voltage sweeping measures interconnection resistance ratios to set maximum current limits, preventing thermal migration and cutoff failures.

A defect inspecting apparatus assigns sensitivity ranks to inspection regions based on pattern density for automated parameter setting.

A semiconductor integrated circuit selects clock signals to drive separate scan chains during built-in self-test operations.

A gas sensor uses a digital feedback loop to compensate for baseline resistance variations in the sensing element.

A topology-independent calibration system uses a netlist and path correction module to determine signal path corrections.

A system extends frequency bands of limited S-parameters using interpolation and extrapolation functions to derive accurate impulse responses.

Segmented electrodes on insulated probes enable accurate dielectric constant measurement without disrupting medium flow or causing pressure losses.

Microwave resonator sensors measure water-cut across full ranges by replacing mechanical systems with electromagnetic detection to eliminate signal loss.

Segmented elastic probes contact multiple pouch cell aluminum films simultaneously, eliminating point-contact deformation and reducing manual checking time.

Segmented adapter contacts and double pole switches resolve spacing constraints, enabling reliable multi-vector pacing threshold testing.

A Faraday optical current sensor system uses calibration to compensate for signal degradation and interference.

An adaptive algorithm extracts back electromotive force from load current to enable real-time impedance tracking in linear resonant actuators.