Sensors TRIZ Cases

Radar signals track subject range and movement to distinguish falls from walking or water flow without wearables or visual recording.

A flexible 5×5 electrode matrix with onboard acquisition and processing supports rapid EEG assessment without laboratory-scale equipment.

Adjustable overlapping cladding layers let a wearable RF coil conform to varied patient anatomies for closer MRI detection-site fit.

A wearable compares sleep duration, REM sleep, and body-temperature patterns with baseline values to predict migraine onset early.

To replace subjective assessment, biosignal monitoring tracks breathing-related parameters and cumulative thresholds for cardiac failure alerts.

Individual rotating spools extend and rewind ECG leads through dedicated apertures, reducing tangling during use and storage.

Baseline LiDAR scans and signaling devices define virtual zones, triggering patient-movement alerts without capturing visual video.

Invasive or bulky CHF monitoring is addressed with a neck-worn sensor combining ECG and impedance signals for continuous CO and SV tracking.

Sleep trackers and a sensor compare parents’ sleep data to alert only the caregiver in the best condition to respond.

Embedded skull-contact electrodes and a hierarchical event-driven classifier enable real-time seizure detection without cumbersome EEG caps.

Cortisol, heart rate, and skin conductance measurements add stress context to fMRI analysis, improving image interpretation and diagnostic reliability.

Intermittent wearable use is addressed by fusing heart rate, skin conductance, and camera-based skeletal motion to alert on short-term stress indoors.

Bioimpedance estimates core-muscle cross-sectional area, offering a faster, lower-cost alternative to CT and MRI measurement.

A temperature-regulated reservoir and manifold circulate fluid through cervical collars for targeted cooling and therapeutic hypothermia.

A cylindrical body and circumferential tension sensor measure eyelid-closure force for reproducible readings without complex setup.

User preferences generate pre-made auditory profiles, helping users customize hearing devices without completing a lengthy hearing test.

A laser-projected dot pattern and polarizing filter help a camera assess skin condition without costly optics or skilled technicians.

Selective axis filtering excludes rotation-affected measurements to improve goniometer accuracy in musculoskeletal assessments.

Additional k-space lines acquired during RF dead time estimate motion parameters without extending MRI scan time.

High numerical aperture waveguides collect light efficiently in compact remote sensors while returning secondary photoluminescent light for measurement.

Compare contact and reference line signals on a dielectric substrate to isolate pressure-induced phase changes in non-invasive biological measurement.

Multiple optical transmitters create parallel signal paths that avoid wrist bones and ligaments, supporting cleaner PPG readings during movement.

Iterative gradient updates and Looping Star acquisition reduce acoustic noise while supporting sharp, low-artifact multi-echo MRI images.

Manual data collection obscures worker locations and tool use; connected trackers provide real-time management visibility.

Comparing green with red or infrared PPG signals identifies excessive contact pressure and prompts users to adjust sensor positioning.

Adhesive layers, a rigid support, and an elastic spacer stabilize PPG contact for clearer signals during motion.

Existing energy subtraction struggles with complex soft tissue; body thickness and n−1 energy distributions derive separate fat, muscle, and bone images.

An in-scanner force sensor and axial mobile base hold a predetermined knee load, making cartilage MRI scans reproducible.

Temporal RR-interval patterns replace patient-specific thresholds to improve epileptic and psychogenic seizure detection without continuous medical surveillance.

Dual 2.45 GHz and 5.8 GHz radar signals reduce respiration contributions in heartbeat measurements for contactless monitoring.

Bulky, rigid EEG wearables challenge continuous neonatal monitoring; this case uses a flexible headband and neural-network EEG analysis for real-time detection.

Locking battery packs and wireless charging keep correctional wearables tracking inmate location and activity with less downtime.

A knob-driven gear and ratchet move the headband to replace aging elastic adjustment and stabilize fit across head sizes.

A staged classifier separates electrocardiography signals before refining one type, improving accuracy while managing model complexity.

Flexible portions reduce attachment stress and help keep the light emitter and detector aligned as the sensor follows body contours.

Flexible support sections help a glucose wearable conform to skin while rigid areas protect circuitry and solder joints from deflection stress.

Non-invasive light sensing replaces finger-prick measurement with SPAD time-domain photon counting for glucose concentration detection.

Distributed side and front electrodes capture diaphragm signals and use a second signal to filter noise without adhesive skin contact.

Static wellness content limits personalization; this case uses biometric feedback and AI generation to adapt audio and video in real time.

Body sensors analyze heart rate and physiological trends to classify users, estimate sleep stages, and guide timely stress relief.

Body-thickness constraints help separate fat, muscle, and bone from radiation images using fewer energy measurements.

A flexible bag, hinge, and constraining band reduce finger burden while preserving sensor positioning for accurate physiological parameter acquisition.

Line-frequency noise distorts small biometric signals; an ADC-aware FIR filter suppresses it while preserving accurate measurements with low power.

Current clinical and neuroimaging criteria leave treatment outcomes uncertain; SEP amplitude ratios provide early guidance for endovascular selection in acute ischemic stroke.

Inclined hollow rubber protrusions expand subject contact while supporting comfortable biometric signal detection.

Periodic near-infrared pulses let one probe measure SpO2 and rSO2 continuously while limiting heat accumulation.

Mesh-connected substrate nodes adapt electrode placement to different patient anatomies while preserving body-surface access.

Embedded garment electrodes map spasm regions from EMG signals, enabling localized NMES and reducing clinical oversight.

Using heartbeat frequency as a reference, the device selects the matching PPG peak to estimate pulse rate despite body-movement noise.

A three-dry-electrode sensor measures two limb leads simultaneously and filters power-line interference without adding a DRL electrode.