Material Analysis Using Sonic/Ultrasonic/Infrasonic Waves TRIZ Cases

A resonant electromagnetic sensor system detects material changes using oscillating coils tuned to specific frequencies.

A protective optic uses a wetting-enhanced surface to form a transparent liquid film that retains debris during laser bond inspection.

A synthetic aperture ultrasound system combines overlapping transmit sequences to achieve fine pitch without adding transducer elements.

A microfluidic device uses acoustophoresis to separate and concentrate biological samples without chemical lysis buffers.

Fiber lasers replace bulky rod systems to enable portable inspection of composite materials without thermal distortion.

Intermediary support members prevent deflection of oscillators thinner than 10 µm, enabling stable vibration at frequencies above 1 GHz.

A photoacoustic detecting device uses a membrane with through-apertures to isolate the acoustic transducer from the contact face.

A rotation mechanism positions an ultrasonic transducer array against a tube inner surface for precise diameter measurement.

Gold-coated copper foil on transducers reflects infrared light, preventing photoacoustic conversion that causes image artifacts.

A dual-shaker system combines piezoelectric and hydraulic actuators to generate mechanical oscillation across a wide frequency range.

A dual-region transit time sensor acquires echo curves from a standpipe and bypass pipe to determine liquid fill levels.

Pseudo-random phase jumps segment photons to overcome diffusion, enabling accurate local absorption measurement in biological tissues.

A photoacoustic glucose sensor adjusts detection signals using heart rate statistics to suppress measurement errors from blood vessel diameter variations.

An acousto-optic imaging method segments ultrasonic transducer arrays to emit unfocused waves with periodic spatial amplitude modulations.

An embedded structural monitoring system uses wireless microwave power and Bluetooth communication to transmit sensor data from within a structure.

A processing unit determines speed of sound within Coriolis flow tubes using upstream and downstream pressure sensors.

A magnetostrictive sensor uses a movable permanent magnet to partially activate a flexible strip for guided wave generation.

Acoustic interferometry measures temperature and load in small cannulas by analyzing scattered wave patterns through the waveguide.

A piezoelectric acoustic system exerts precise forces on microbeads attached to molecules for detailed investigation.

A 1D ultrasonic transducer unit with individually controllable elements and reduced spacing for precise wave front control.

External hammer strikes generate pressure pulses that sensors detect to map cross-sectional variations, reducing processing time by over 100 times.

Segmenting the main support and telescopic mast reduces device weight while enabling bottom inspection of various reactor diameters.

Sealed electroacoustic transducer generates low-frequency acoustic waves for pipeline inspection.

A monitoring device injects ultrasonic pulses into flowing liquid to extract characteristic signal patterns for air detection.

Confocal laser scanning microscope analyzes optical contrast between graphene and catalyst layers, enabling real-time evaluation during roll-to-roll synthesis.

Replacing mechanical floats with capacitive sensing eliminates alcohol corrosion while maintaining precise measurement accuracy.

Resin-based composite material enables ultrasound bone phantoms compatible with magnetic resonance imaging.

A laser and piezoelectric transducer generate surface acoustic waves to measure propagation speed in solid materials.

A launching system deploys remote inspection devices using vapor suppression foam and inert gas injection to create a sealed environment.

A photoacoustic measurement device uses dual-wavelength intensity modulation to determine component concentration in living organisms.

Oblique coupling reduces interference artifacts and improves defect detection sensitivity in complex geometries.

An ultrasonic probe with parallel bars directs acoustic energy into structural components to locate sub-surface defects.

A modular inspection vehicle uses magnetic driving and orthogonally mounted omni-wheels to traverse curved metallic surfaces.

Tapered chamber retains couplant column during edge traversal, resolving fluid displacement bottlenecks that degrade signal reliability.

Dual frequency acoustic pulses manipulate nonlinear propagation properties to separate accumulative effects from local scattering signals.

Insulated carrier with integrated cooling line maintains low beverage temperature along the entire dispense path from keg to font.

A flexible ultrasonic transducer array conforms to contoured surfaces while maintaining its structural integrity.

Flat jet nozzles merge ultrasonic elements into laminar streams, resolving turbulence-induced signal weakening and measurement inaccuracies.

Batch prepare simulated metal specimens using 3D laser printing to replicate cavity defects, enabling parallel non-destructive testing assessments.

Axially displaceable annular sections with resilient members dampen oscillations, ensuring stable rotational motion and accurate data collection.

Rerouted bore flow and cooled cooling air manage high-pressure compressor temperatures, enabling higher overall pressure ratio cycles.

A bearing system uses surface acoustic waves to detect lubricant presence and film thickness without direct contact.

An ultrasonic test probe integrates a mechanical input unit to issue control commands directly at the inspection point.

A pulse-width modulated signal encodes ultrasonic sensor status and fluid level data within a single transmission stream.

A flexible ultrasonic probe wedge uses a slidable acoustic module to conform to test surfaces.

A ultrasonic device employs a second element row with optimized spacing to synchronize transducer vibrations.

Compaction analyzer processes vibratory response signals to estimate asphalt density, replacing core sampling with continuous monitoring.

Automated detection switches verify optical waveguide chip alignment to eliminate manual visual inspection errors and reduce operator burden.

A non-contact measurement system estimates viscoelasticity by analyzing surface shading changes induced by elastic wave excitation.