Material Analysis Using Sonic/Ultrasonic/Infrasonic Waves TRIZ Cases
- Ultrasonic Touch Sensor Layout for Reliable Metal Casing Detection
Acoustic coupling medium and component-side contacts let an ultrasonic touch sensor work reliably on metal casings.
- Integrated SAW Sensor Assembly for Passive RF Signal Differentiation
Integrated IDTs, RF antenna, and dielectric tuning enable passive environmental sensing and unique sensor identification in extreme conditions.
- Y-Cut Bulk Acoustic Sensor With Floating Electrode for Liquid Sensing
A Y-cut bulk acoustic resonator uses a floating back-side electrode and shear mode to cut liquid losses while preserving high-sensitivity sensing.
- Artificially Oriented Piezoelectric Film for Stable Lateral Filter Coupling
A 90° rotated polar axis gives integrated filter films strong lateral piezo response while reducing sensitivity to thickness variation.
- Composite SHM Circuit Integration Without External Cabling
Printed coils and conductive tracks embed piezoelectric SHM sensing into composite parts, cutting cable weight, thickness, and maintenance.
- Ring Oscillator Tamper Detection Through Frequency Comparison
Multiple ring oscillators compare frequency shifts across sensing nodes to detect IC tampering and trigger countermeasures.
- Reflective-Tag SAW Sensor Structure for Wireless High-Temperature Sensing
A sapphire-based SAW sensor uses reflective tags and one piezoelectric transducer to enable wireless measurement above 300°C.
- Serial Fluid Measurement Interface for Aircraft Fuel Sensing
A serial word interface carries fuel characteristic data over fewer conductors, cutting aircraft wiring weight, EMI exposure, and installation complexity.
- Asynchronous Sigma-Delta ADC for Spatially Separated Ultrasound Stages
Early sigma-delta conversion at the probe preserves ultrasound signal integrity over distance while lowering power and easing multiplexed transmission.
- Aircraft Fuel Sensor Interface Using Serial Data to Cut Cabling
A serial-word interface lets aircraft fuel sensors share a two-wire link, reducing cable weight, EMI exposure, and installation complexity.
- Thin LN-LT YBAR Structure for Low-Loss Liquid Acoustic Sensing
A thin LN-LT YBAR uses a floating back-side conductor to enable shear-mode liquid sensing with low acoustic loss and measurable surface-layer shifts.
- Pop-Up Gas Sensor Module for Contamination and Power Control
A retractable gas sensor exposes the sensing block only when needed, cutting contamination, power draw, and replacement difficulty.
- Ultrasound Probe Sigma-Delta Conversion for Robust Remote Signal Transfer
Analog probe signals are converted into asynchronous sigma-delta bit streams to resist interference, simplify cabling, and preserve dynamic range.
- Piezoelectric SAW Sensor on Sapphire for Wireless High-Temperature Sensing
A piezoelectric transducer on a sapphire base uses reflected acoustic tags to enable wireless sensing above 300°C without local power.
- Piezoelectric Resonator Thermal Control for Stable Low-Temperature Sensing
A base-cooled, Peltier-controlled resonator expands low-temperature sensing range while maintaining stable oscillation for substance detection.