Material Analysis Using Sonic/Ultrasonic/Infrasonic Waves TRIZ Cases

See how an ultrasonic flow meter with integrated RGBW sensor reduces measurement deviation from

See how a movable support frame replaces fixed downstream guides to reduce system weight, impro

See how a robotic cleaner uses ringdown signal estimation and FFT comparison to discern surface

See how a single ultrasound element performs both transmission and reception to measure humidit

See how wireless temperature sensors and pattern analysis enable predictive maintenance in biom

See how blower speed adjustment compensates for air temperature changes to prevent false air fl

See how monitoring coffee bean volume change during roasting detects first cracking to control

See how monitoring coffee bean volume change during roasting enables feedback-based control to

See how wireless temperature sensors and cycle pattern analysis infer refrigeration efficiency

See how acoustic speed-of-sound and thermal conductivity measurement enable fast, on-site refri

A coil on one rod and a magnet on the other replace piezo transducers, simplifying vibrating fork sensing and lowering power use.

A resonant semiconductor sensor detects hydrogen leaks through frequency shifts, improving real-time gas density and viscosity monitoring in vehicles.

A glucose sensor converts analyte levels into RF resonance for wireless reading, removing onboard power and reducing monitoring cost and complexity.

Inserted between stator and rotor, a movable ultrasonic probe scans rotor wedges without disassembly, cutting stop time and repositioning.

A dual-flux lattice transducer turns sound into skull vibrations across 300-4000 Hz, aiding conductive hearing loss with less invasive hearing support.

Actuator-driven focal tracking keeps an ultrasonic transducer aligned on uneven surfaces, improving semiconductor inspection speed and accuracy.

Vertical integration of MEMS, analog CMOS, HPC, and DTC layers shrinks bulky CMUT hardware into a compact, lower-cost ultrasound module.

By sweeping ultrasonic frequency and imaging wire vibration, this case detects semiconductor wire defects faster and with fewer false calls.

Inserted into the rotor-stator gap, a movable probe inspects wedge cracks in place, avoiding rotor removal and shortening inspection time.

Pre-wetting bonded wafer edges with damped nozzle sprays improves couplant uniformity, reducing scan artifacts without adding significant scan time.

A porous gel layer lets gas vent through the chamber sensor, balancing pressure while supporting the cavity and reducing adhesive-related damage.

A passive on-body glucose sensor converts analyte levels into resonance frequency, cutting power and circuit complexity while enabling accurate wireless readout.

Vertical bonding of MEMS, analog CMOS, HPC, and DTC layers cuts bulky wired architecture, enabling compact lower-cost ultrasound hardware.