Sensors TRIZ Cases

A portable EEG helmet records chemosensorily influenced brain potentials using a microprocessor and fragrance actuator.

A spacer part maintains contact position between the flexible sheet and sensor main body to suppress deviation during continuous measurements.

A heartbeat measurement device generates in-phase and quadrature signals to extract frequency components from reflected electromagnetic waves.

A bruxism measurement program isolates muscle action potentials from electromyograph waveform data.

Magnetic resonance imaging systems assess internal temperature and physiological changes in subjects exposed to radio frequency emitting devices.

A near-infrared spectrophotometric system calculates circulatory hemoglobin values by integrating optical sensing with hemodynamic data.

Active shield coils cancel ambient interference, resolving the trade-off between measurement precision and system complexity.

Gradient echo MRI detects beta-amyloid accumulation via R2* measurement, replacing expensive PET scans with a non-invasive diagnostic method.

A wireless physiological monitoring system transmits patient signals via Bluetooth to eliminate physical cables.

A prone position electrocardiogram method derives standard precordial leads using a single posterior electrode and limb signals.

A photoplethysmographic sensor switches between light sources and processing modes to extract pulsatile signals efficiently.

Quantitative magnetic resonance imaging compares pre- and post-irradiation data to resolve measurement variability in radiation therapy monitoring.

Pressure sensors and positioning circuitry in footwear capture stride length, timing, and stance width for automated diagnostic processing.

A system monitors user physiological data to determine support needs and triggers real-time intervention notifications.

A flexible sensor sheet measures pulse waves, color, and temperature to monitor blood flow on curved tissue surfaces.

A capacitive stretch sensor array integrated into wearable garments detects spinal curvature and motion through skin deformation.

Inverting the microstrip transmission line configuration places the body as a substrate, resolving low sensitivity issues in non-invasive glucose monitoring.

An ultra-thin e-tattoo uses spatial filtering algorithms to separate vessel signals, resolving crosstalk between arteries and veins.

Frequency-selective saturation pulses suppress fat signals in magnetic resonance imaging, reducing chemical shift artifacts and exposure time.

Heart rate variability analysis from 24-hour ECG recordings characterizes vagus nerve activity.

A dielectric microsensor measures impedance changes in blood samples using radio frequency signals to compute permittivity values.

Gravity-balanced mirror housing adjusts to patient needs while absorbing coil vibrations.

An MRI system automatically selects recording sequences based on field-of-view data.

Segmenting the biosensor into a disposable needle array and a reusable electronics unit reduces pain and cost.

A wearable electrocardiography ensemble uses compressible fabric to maintain electrode contact during daily activities.

Three linear actuators drive a mobile platform within a U-shaped support structure to reduce control complexity while enabling precise balance assessment.

An EMG-driven orthosis detects intended limb movement to resolve abnormal muscle synergies and improve hand function.

A muscle fatigue measuring device uses a force sensing resistor to detect grip strength applied to the handle.

Embedded lateral flow strips process menstrual blood for HPV detection, eliminating laboratory infrastructure and trained personnel requirements.

A data processor integrates multi-sensor inputs to predict human subject events and states.

A glucose sensor calibration system applies multiple estimation methods with weighted consensus to optimize measurement accuracy.

An elastic adjuster unit enables a cover unit to latch onto a main unit, suppressing sensor detachment during infant movement.

A medical device control system determines operating parameters within available time spans derived from the current operating mode.

A processor analyzes brainwave signals to generate video game rewards that incentivize users to control specific neural frequency bands.

Segmenting the RF coil array into receive element groups reduces phase wrap artifact by deactivating coils outside the region of interest.

Multi-wavelength optical sensors measure light attenuation to compute tissue hemoglobin concentration.

A biomedical electrode pad uses a retainer mesh to secure the contact member while enabling electrical conductivity.

Dynamically adjusts receiver gain via light intensity thresholds to improve bioinformation measurement accuracy while reducing power consumption.

A sleep monitoring method analyzes snore intensity differences before and after target audio clips to identify abnormal sleep patterns.

A hierarchical mapping framework organizes receive channels into subgroups to produce virtual channels via semiseparable mixing.

A handheld electroencephalography device uses a specific electrode arrangement to record brain signals directly from the scalp.

A flexible PCB-based EMG sensor integrates dual amplifiers to process microvolt signals from skin electrodes.

A handheld diabetes manager uses a communications processor and user interface processor to collect and display glucose measurement data.

A semi-dry electrode uses a swelling outer membrane to form a flexible scalp contact surface for stable signal recording.

Elastomeric foam electrodes resolve the trade-off between rigidity and signal quality, enabling comfortable long-term skin contact.

Zero-order moment sinusoidal gradients diffuse aliasing artifacts across the field of view, reducing g-factor noise amplification in parallel imaging.

Segmented stretchable sleeve sensors maintain continuous monitoring during chest access, resolving emergency interruption.

A serial fusion system switches between Eulerian and Lagrangian approaches for real-time heart rate estimation.