Sensors TRIZ Cases

A finger-worn ring integrates electrodermal activity sensing with biosensors to capture perspiration fluid for continuous physiological monitoring.

A wearable device uses optical sensors to measure glucose levels through skin tissue without invasive punctures.

A biological signal detection electrode uses corrosion-resistant Ag-AgCl terminals and a magnetic intermediary to maintain stable electrical conductivity.

Information processing apparatus evaluates user biological information against predetermined conditions before issuing measurement commands to external devices.

A pocket-sized bioimpedance meter uses an integrated microprocessor to process electrode signals for body composition analysis.

A wearable earpiece integrates a near-infrared glucose sensor positioned against the external auditory canal wall for continuous biological monitoring.

A monolithic integrated circuit merges low-noise neural recording amplifiers with programmable optical drivers for simultaneous in-vivo signal detection.

Arrival time correction parameters adjust contrast agent concentration curves in dynamic susceptibility contrast MRI, resolving perfusion deficit inaccuracies.

An MRI patient support system employs a detachable seat and detection mechanism to secure upright positioning, preventing unwanted movement during scans.

A bioelectrical impedance method measures resistance and reactance to determine muscle section accurately.

A non-invasive glucose measurement system calculates substance concentration using infrared radiation ratios normalized against blackbody references.

A prosthetic knee joint device uses a rotary unit to generate rotational power and convert it into translational motion for straightening the leg.

A system quantifies users' mental states using biometric sensors to select automated actions for network-connected devices.

Tapered prosthetic socks use measuring templates and mobile apps to detect residual limb swelling or shrinking, ensuring proper fit.

A system applies P-wave templates to cardiac activity sub-segments to calculate alignment and amplitude dependence indicators for signal processing.

Arterial spin labeling replaces ionizing radiation and contrast agents in cerebral hemodynamic imaging while maintaining high spatial resolution.

Machine learning models process photoplethysmogram signals to generate cardiac dysfunction predictions.

Wearable optoacoustic device measures neonatal cerebral venous oxygen saturation using light and acoustic sensors.

Diagnostic strip analysis apparatus stores time setting information alongside biological measurement data before transmission to a management medium.

Magnetic fasteners secure adjustable electrode strips on a headband, resolving bulky fit issues and improving comfort across varying head sizes.

Preliminary recordings with varying imaging sequence parameters select optimal settings for flow-encoded magnetic resonance imaging.

A sealed battery module uses magnetic coupling for wireless power and data exchange between the unit and a patient monitoring device.

A wearable apparatus projects a laser beam onto the ground to assist users during detected gait irregularities.

A portable urinary flow measurement device uses capacitive sensors to detect fluid levels in a dedicated chamber for real-time volume calculation.

Bidirectional light absorption via translucent photo-diodes and reflective supports resolves sensitivity limits in wearable photoluminescence sensing.

Segmented design eliminates soldering, reducing cable degradation while maintaining high common mode impedance for improved MRI image quality.

Integrated electrodes on spinal retractors detect neural structures to prevent impairment while establishing the operative corridor.

A conjugate plane detection method captures backscattered light to visualize translucent retinal cells without contrast agents.

A neuromodulation system adjusts stimulation patterns using real-time user feedback to optimize brain therapy.

Rotating spools manage wire tension to prevent tangling during rapid deployment in emergency care.

Deformable connectors and alignment markers allow non-specialists to accurately position electrodes on complex body shapes, reducing installation costs.

Movable strips on a support structure adapt to body cavity shapes, preventing nerve damage while ensuring stable electrical signal detection.

A biological sensor applies offset voltage to an amplifier reference potential to shape the detection signal.

Electrodes detect disordered tissue frequencies to replace invasive procedures with accurate location data.

Segmented disposable enclosure isolates patient contact to prevent contamination while retaining the reusable capacitive sensor.

Applying local quality analysis to extract extreme signal values, resolving the contradiction between simplified evaluation processes and accurate spatial resolution.

A transverse spectrophotometric sensor measures blood parameters using electromagnetic radiation at different wavelengths.

Segmenting the biometric sensor from the main body prevents contamination while universality principles enable adaptable usage across different scenarios.

Vacuum suction creates a fluid-tight seal between the housing and skin, eliminating air gaps that cause noise interference during biopotential measurement.

Multi-wavelength optical detection combined with Bayesian filtering resolves motion artifact interference to deliver accurate real-time heart rate monitoring.

Summing R-wave and S-wave amplitudes across chest leads V1 to V6 determines transitional lead position, correcting the low accuracy of ratio-based methods.

Segmented flexible coil arrays conform to varying breast shapes, resolving poor signal-to-noise ratios in conventional rigid designs.

A smartphone eye examination apparatus uses a coupling to hold the device in a predefined position for ophthalmic imaging.

A remote patient monitor transmits alarm signals to a wearable caregiver device, resolving mobility versus information loss contradictions.

Magnetization preparation sequences enable accurate T1 mapping of biological tissues with short-T2 relaxation times.

A monitoring system projects test heartbeat waveforms onto a generated waveform space to extract pathology descriptive deflections for clinical indications.

Portable electrocardiographic monitoring system uses wireless transmission and adaptive filtering to capture cardiac rhythm data from wearable electrodes.

Computes leakage and dispersion parameters from dynamic contrast-enhanced magnetic resonance data without arterial input function estimation.