Diagnostic Signal Processing TRIZ Cases

Mixing electrocardiogram data with other physiological signals generates a frequency spectrum that distinguishes arterial states.

An eye health index estimates pupil size variation from lumen output and ambient light to drive adaptive display brightness adjustments.

Emotion modules detect user states during extended reality sessions to create personalized digital or physical souvenirs automatically.

A dual-processor biological monitor uses segmented operating systems to process and display real-time waveform data.

Time-divisional electrode switching reduces signal processing load while maintaining motion identification precision.

A heart signal monitoring system adjusts sensing thresholds based on real-time R and P wave amplitude tracking to ensure accurate detection.

An implantable EEG monitor uses a serial capacitor and test signal generator to detect leakage currents, ensuring safe continuous brain activity monitoring.

A wearable device uses Fourier and wavelet transformations to determine gait cadence from motion sensor signals.

A breast measurement apparatus integrates optical CT and ultrasonic imaging within a single receptacle using a gas-permeable membrane.

Multi-compartment model corrects MR T1 relaxation times for accurate liver fibrosis diagnosis despite elevated iron and fat levels.

Frequency domain transformation separates infant heartbeat signals from adult interference in shared sleeping environments.

Elastomeric connector links sensor and processing units, resolving structural stability versus recording precision trade-offs.

Processor correlates performed examination IDs with reserved records to prevent data loss during network disconnections.

Millimeter wave radar generates range profiles to detect vital signs from multiple targets, overcoming single-target distance limitations.

A MEMS biochip merges mechanical and electrical micro-sensors on a single substrate for simultaneous tissue property measurement.

Dual elastic members store energy to accelerate needle movement, eliminating complex spring balance mechanisms that slow insertion speed.

Segmented scanning direction sequences allow targeted re-scans, reducing image artifacts and reconstruction time while maintaining system stability.

Automated analysis of electrocardiogram signals reduces manual interpretation time while maintaining accuracy in identifying atrial fibrillation regions.

A piezoelectric transducer forms a measuring capacitor to detect vital functions without mechanical support.

Detects intraocular pressure and blood glucose via spatial correlation functions, resolving accuracy limits in non-invasive measurement.

Optical sensor uses a rotationally symmetric grasping member to secure neonatal hand contact.

A processor adjusts biological signal collection duration based on real-time motion sensor output data.

Dynamic sampling windows align PPG and ECG signals by adjusting channel durations, eliminating time delays between physiological measurements.

Dual-wavelength optical sensor extracts respiration data from tissue without mouth or nose mounting.

A wearable heart rate sensor modulates data using binary frequency-shift keying tones for wired transmission.

Replacing mechanical keys with optical fields eliminates friction and vibration errors, enabling precise evaluation of neuromuscular motor capacity.

A wearable radio communication system uses a server intermediary to manage data distribution and signal reception tasks.

A signal analyzing algorithm processes multi-channel unipolar ECG signals to track and match time patterns.

A multi-unit implantable system detects intrinsic atrial and ventricular electrical signals to calculate precise conduction intervals.

Distributed Brillouin and Rayleigh scattering enables accurate vascular pressure distribution measurement despite probe diameter constraints.

A skin impedance measurement system uses a sequencer circuit to synchronize excitation and receiver activation for accurate electrical property detection.

A visual function testing apparatus uses navigable obstacle courses at varying luminance levels to assess subject performance.

Insulating material between arm and torso electrodes prevents direct skin contact, resolving thoracic impedance nonlinearity at low lung volumes.

External rib sensors measure acoustic attenuation to evaluate pulmonary function without invasive procedures.

Detects extremity fluid volume shifts to apply corrective pressure differentials, preventing chest accumulation that exacerbates obstructive sleep apnea.

Metadata files link features in a part database to resolve single-user editing conflicts, enabling simultaneous access and design consistency.

Wearable inertial sensors capture worker movement data for machine learning pattern identification and risk calculation.

Normalizing raw load signals removes amplitude errors, enabling accurate biological monitoring without complex hardware.

Segmented electronics and extraction of the power source from the fabric enable reliable monitoring without bulky boxes or laundering difficulties.

A sensor inserting device integrates a signal processor to validate operability before patient insertion.

Corrects RF pulse waveform distortion in MRI systems using modified time-domain signals, reducing slice excitation artifacts and improving image homogeneity.

Wireless insole sensors transmit plantar pressure data to a wristband, preventing ulcers while managing power consumption through periodic monitoring.

A multi-function sensor detects passengers and temperature in mass transit cabins, reducing component complexity while maintaining measurement precision.

A non-invasive sensor apparatus captures skin readings to generate cardiac performance indicators.

A toroidal fiducial marker attached to an interventional shaft enables automatic imaging slice alignment during magnetic resonance procedures.

Segmenting microwires into multiple sensing sites increases recording density while reducing inflammation at chronic implantation locations.

Processor normalizes photoplethysmograph signals to stabilize continuous non-invasive blood pressure monitoring.