Acoustic Sensors TRIZ Cases

A signal processing apparatus generates electrocardiogram equivalent signals from bio-vibration data using machine learning prediction models.

Simultaneous acoustic pressure and velocity measurement enables direct otoacoustic emission intensity calculation at the ear drum.

A microphone positioned near an air-vent captures airflow signals for real-time patient feedback.

A processor derives sleep patterns from CO2 concentration levels detected by a sensor without physical contact.

Dual-module wearable sensor array combines optical and ECG sensors to capture physiological data, compensating for individual user variations.

Continuous roll-to-roll printing merges discrete manufacturing steps to deposit conductive tracks and sensors on textiles, reducing equipment complexity.

An ultrasonic sensor measures urine volume in a closed canister, eliminating manual transcription errors and reducing clinical workload.

A handheld radio device generates sensory stimuli to assess cognitive, auditory, visual, and speech functions through integrated sensors.

An emotion improving apparatus detects user stress via biological sensors and autonomously adjusts working machine operations to alleviate discomfort.

A digitally-interactive plush therapeutic apparatus uses sensor components to simulate animal behaviors and provide tactile feedback.

A pilot tone device transmits RF signals to acquire patient physiological data without mechanical sensors.

Drones bridge distributed wearable sensors and cloud servers, resolving accessibility limits during mobile monitoring.

A wearable infant heart rate monitor uses a photodetector and microcontroller to track vital signs via Bluetooth Low Energy.

A pressure-regulating tourniquet uses pulse detection to maintain optimal venous distension levels during medical procedures.

A speech analysis system generates multi-dimensional statistical signatures from audio signals to evaluate respiratory tract health.

Intermediate connectors on a flexible elongated member allow early disconnection under minimal force, reducing entanglement risks and preventing breakage.

Dock unit adjusts electronic filters for occluded ear responses, correcting transfer function errors that cause overestimated noise dosage.

A passive source location system uses distributed sensors to measure signal phase and parallel processing cores to search a three-dimensional region for emitter coordinates.

A thermal imaging camera embedded in sleeping furniture detects body temperature and movement patterns without contact.

A pulse group drive scheme directs light pulses toward a target object to generate acoustic signals for heart rate detection.

A wireless sensor system records acoustic and motion signals for digital analysis, enabling home diagnosis of respiratory disorders without complex equipment.

Client device administers alertness tests using visual or audible disrupters to assess user concentration levels.

A ring-shaped wearable device uses an inertial sensor to detect user gestures and activate a contactless temperature sensor only when needed.

An elongated piezoelectric film embedded in silicone captures acoustic waves from the beating heart.

A mobile cardiac monitoring device transmits patient data via LTE or Wi-Fi networks using integrated contact electrodes.

Automated optical detection of hair damage replaces subjective assessment, enabling precise formulation of personalized care products.

Flexible thin film electronics conform to irregular anatomical surfaces, resolving the contradiction between structural stability and measurement accuracy.

Extracardiovascular impedance sensing detects arrhythmias without direct heart contact, resolving placement precision trade-offs.

A wearable sensor uses a gas-permeable support structure to allow sweat evaporation and reduce skin irritation.

Integrated circuit detects fall events via pressure changes to protect MEMS microphones.

A hearing test system calculates signal-to-noise ratios to adjust hearing thresholds dynamically.

A wearable system detects respiratory signals via pressure sensors to predict apnoea episodes.

A length measuring device uses ultrasonic time-of-flight signals to determine position within a hollow profile.

Segmenting mattress signals isolates rest periods from movement, improving diagnostic accuracy while reducing processing power requirements.

Combining physiological signals with environmental sound data improves sleep stage classification accuracy despite increased system complexity.

Acoustic sensors record footfall sounds to identify lameness without mechanical wear or complex image processing.

A fetal oximetry sensor module uses multiple light wavelengths and optical sensing to determine oxygen saturation levels.

A monitoring device attaches to a baby bottle and nipple, using sensors to measure sucking, swallowing, and breathing metrics.

A wearable cognitive assistant system captures user emotional states using integrated sensors to process sensory data.

Enhanced cueing system generates adaptive visual and audio signals to guide walker movement.

Small 5mm diaphragm with acoustic chamber resolves sound quality versus patient anatomy trade-offs in telemedicine stethoscopes.

A mobile device detects neurological deficits using integrated sensors and interactive prompts.

Helmet cameras monitor pupil dilation and speech patterns to reduce false positives from accelerometer-only concussion detection.

Wearable devices correlate audio and physiological signals to identify snoring events, reducing false positives from multiple entities.

Software tool analyzes vocal biomarkers to detect chronic neurological disorders using machine learning algorithms.

Segmenting classification into specialized decision machines improves diagnostic accuracy while managing computational complexity.

A biological examination apparatus generates two-dimensional trajectory data from larynx displacement and swallowing sound signals.

A physiological monitoring system uses proximity sensors to measure individual signals from multiple subjects sharing a bed.