Capacitance Measurements TRIZ Cases

A capacitor monitoring device determines capacitance by integrating electrical current over time to calculate total charge capacity.

A CMOS sensor array with in-pixel chopping circuits overcomes ion screening and flicker noise to enhance dynamic range and chemical specificity.

A prediction model corrects absolute capacitance values from non-regular electrodes to enable accurate object detection.

A capacitance sensing circuit compensates panel capacitance using mutual capacitances to stabilize touch detection signals.

Redundant conductive strips in capacitive sensor elements tolerate registration inaccuracies, reducing assembly costs for mass production.

A capacitance measurement circuit connects variable and reference capacitors to an analog-to-digital converter for direct digital output.

An integrated circuit senses resistors and capacitors via one pin, reducing pin count while maintaining precise LED drive control.

The device resolves measurement precision deterioration from environmental changes by periodically updating baseline values, reducing power consumption and hardware costs.

A capacitance approximation system iteratively measures differential capacitance using a control module and capacitor bank to optimize device operation.

Sigma-delta measurement quantifies capacitance through passive networks, eliminating active analog components to reduce sensor design complexity.

A non-intrusive capacitive voltage sensor couples to an insulator surrounding a metal conductor to produce a voltage signal.

Zero-crossing segmentation resolves multi-touch ambiguity by treating signal segments independently for accurate position determination.

A handheld position-finding device maps sensor elements to display points for high-resolution imaging.

A capacitance measurement circuit uses a clock-synchronous oscillator and delay elements to refine measured values.

Amorphous silicon dual substrates replace polysilicon to lower production costs while maintaining high sensitivity for diagnostic testing.

Segmented detection areas with isolated electrodes measure mutual capacitance to resolve touch locations while resisting electrical noise interference.

Integrated capacitance sensing circuit measures load device connection via voltage response delay, enabling automated testing without external equipment.

A panel driving device supplies synchronized signals to adjacent sensor electrodes using multiple amplifiers.

A linear regulator detects off-chip capacitor presence by perturbing the output voltage with discrete charge packets.

Impedance spectrum in-situ measurement device using pyrophyllite pressure medium and platinum electrodes for dielectric constant analysis.

A capacitive sensor uses a control circuit to alternate between capacitance and noise measurement modes.

A multi-layer testing structure connects overlapping patterns to a CBCM circuit and auxiliary circuits.

A capacitive test circuit applies high-frequency AC current to assess galvanic connection resistance in bushing assemblies.

A circuit generates a clock wave signal encoding effective capacitance and RC time constant values for external decoding.

Partitioning receiver electrode subsets generates transmitter axis projections that reduce ghost detections and interference in capacitive sensing.

A capacitance sensor selects a measurement frequency based on prior noise characterization to improve user input detection accuracy.

A semiconductor gas sensor measurement method uses virtual alternating current impedance to calculate equivalent values from direct current data.

A DC-DC converter generates variable waveforms to measure capacitor current and voltage for precise model parameter extraction.

Segmenting the base member creates a non-fixed zone that prevents wiring breakage during assembly bending.

Electronic module generates capacitance and conductance compensation signals for sensor monitoring.

Segmented transmitter electrodes minimize transcapacitive coupling to eliminate display artifacts caused by anisotropic dielectric properties.

Trained machine learning models determine capacitance values via extracted shadow features, resolving accuracy and speed trade-offs in parasitic extraction.

A capacitive button uses nested sense elements to detect and differentiate touches from various conductive objects.

Layered flexible capacitive sensors detect objects on complex machine surfaces, resolving optical shadowing and ensuring reliable safety monitoring.

A capacitive sensing circuit uses phase-controlled integral signals to detect touch events on multi-touch panels.

A hand-held device uses transmitting and receiving electrodes to detect user grip via alternating electric fields.

Optimized strip spacing and lengths resolve measurement precision versus manufacturing complexity trade-offs for accurate grip detection.

An inverting measuring signal amplifier creates a virtual ground at each sensor output to suppress capacitive crosstalk between adjacent electrodes.

Incomplete electrode overlap in a sensing capacitor prevents partial discharge while delivering microampere currents for busbar voltage detection.