Sensors TRIZ Cases

A conductive hydrogel paper device integrates electrocardio electrodes and microfluidic channels to capture sweat data.

Physiological sensors detect separation from the user to reduce false notifications and help locate lost devices.

An assist tool uses a movable size adjustment plate to thin the finger accommodating space and maintain consistent pressure on biological tissue.

A finger dexterity device uses magnetic fixation to maintain continuous contact between the thumb and a measurement assembly.

Proximity detection triggers intermittent recording cycles, reducing battery size and weight while maintaining measurement accuracy.

A biosignal measurement apparatus applies a test input impedance to determine signal characteristics and sets a usage input impedance based on the response.

Processor calculates difference between consecutive functional electrical stimulation data cycles to isolate volitional electromyography signals.

Implantable cardiac devices separate composite electrocardiogram signals into activation vectors to identify distinct arrhythmia types.

Merging skin conductance, temperature, and photoplethysmography sensors into one unit resolves complexity and comfort trade-offs.

Minimum RF pulse duration maximizes slice selection gradients to minimize chemical shift-induced phase shifts and ghosting artifacts.

Dielectric barrier encapsulates flex-PCB wiring to enable safe defibrillation while preventing skin damage from adhesive removal.

A neuro-response stimulus placement system analyzes EEG, GSR, and EOG data to identify optimal advertisement locations.

A cascaded reference circuit cancels ambient noise to enable low amplitude signal sensing for subsurface spectrogram analysis.

An information processing apparatus estimates applied force using myoelectric potential sensors and posture data without direct mechanical contact.

A magnetic resonance fingerprinting system selects local dictionaries using anatomical models to map tissue composition.

An antenna on a contact lens modulates impedance through a coupled sensor, reflecting RF signals to enable wireless data readout without integrated circuits.

A disposable diagnostic sheet integrates wicking fluid transport and an RFID tag to monitor absorbent garment conditions.

A mini-MEST test method reduces animal and compound usage by assessing tonic hind limb extensor convulsions with a single electroshock at a defined current.

Dual-depth glucose sensors estimate individual in-vivo time constants to resolve patient-to-patient variability in blood-interstitial diffusion delays.

A measurement circuit uses a control engine to operate an excitation source in two modes for accurate impedance detection.

A catheter system identifies disconnected electrodes by correlating signals with a reference ECG to exclude faulty data from activity maps.

Elastic support on earplug rear housing deforms to apply resilience against the helix, preventing displacement during movement.

Dynamic threshold adjustments and difference calculations enable precise R wave detection while reducing noise sensitivity.

A content selection system evaluates neuro-behavioral responses to identify audience priming levels.

Infrared spectral algorithm converts tissue light signals into blood glucose concentrations using pre-established calibration models.

Replacing ionic hydrogels with a dielectric adhesive eliminates interference, improving signal fidelity and reducing manufacturing costs.

A low-noise sensor system uses active temperature regulation and optical isolation to stabilize photodetector signals.

Multi-detector optical apparatus measures blood pulse delay to separate heart pulses from motion artifacts.

A physiological data acquisition apparatus injects AC current across selected lead pairs to measure impedance and select optimal connections.

Combining multiple ECG channels stabilizes reference annotation timing, preventing remapping delays caused by single-channel impairments.

Segmenting the reusable electrode body from a disposable adhesive patch eliminates skin irritation while maintaining stable electrical contact.

One-wire EEG cap networks with high input impedance amplifiers record wide-band brain signals without wet electrodes or cumbersome cables.

Moisture-tight encapsulation and strain relief bands protect optics in flexible SpO2 sensors against mechanical stress and liquid penetration.

Proximity beacons enable medical devices to exchange compatibility data and establish direct communication channels for coordinated operation.

Segmenting non-skin pixels in the region-of-interest eliminates signal corruption, ensuring accurate heart rate measurements.

Fluid chamber mediates electrical field detection to assess ion transport function without complex direct tissue penetration.

A segmented electrode sheet uses thermoplastic resin wiring to extend connections across flexible substrates.

A heartbeat rate calculation device employs an IIR filter with two averaging coefficients to process instantaneous heart rates.

An integrated blood glucose meter uses a linear knob and ejecting unit to load and remove test strips accurately.

Porous adhesive members in biomedical electrodes discharge accumulated sweat, preventing displacement and electric conduction during physical activity.

A photomagnetic imaging system uses magnetic resonance thermometry to measure tissue temperature changes induced by laser heating.

A biological measurement apparatus uses multiple earphone pulse wave sensors and a controller to correct noise from blood vessel shifts during body movement.

A tibial positioning device couples femoral and tibial cutting guides to maintain parallel alignment during total knee arthroplasty resections.

A sensor system derives body channel fingerprints to localize receiver units on the skin.

Adjustable pi function parameters resolve fixed polynomial limitations to maintain reliable contrast across varying imaging conditions.

Multi-wavelength emitters and skin prep resolve wrist light scattering to enable accurate continuous biometric monitoring.

Variable excitation acquisition with compressed sensing maintains signal-to-noise ratio while reducing system cost and scan time.

Phase correction matches blade intersection signals during MRI reconstruction, eliminating pixel value unevenness from non-orthogonal sampling artifacts.

Superimposed pulse sequences suppress fat signals without extending measurement time, improving anatomical orientation in turbo-spin-echo imaging.

ARMA model processes EEG signals to generate separate cortical state and input data for precise brain function assessment.