Laser-air, hybrid, ultrasonic testing of railroad tracks
Laser-air, hybrid, ultrasonic testing of railroad wheels
Laser-ultrasonic detection of subsurface defects in...
Laser-ultrasonic measurement of elastic properties of a thin...
Laser-ultrasonic testing system
Layered ultrasonic coupler
Leak and contamination detection micro-submarine
Leak detection utilizing analog binaural (VLSI) techniques
Leakage test for liquid containment
Length mode piezoelectric ultrasonic transducer for inspection o
Lens system for acoustical imaging
Light coupled read-out system for noise dosimeter
Lightweight, broadband Rayleigh wave transducer
Line length measuring device for fishing reel
Linear transducer array and method for both pulse-echo and holog
Linear vibration actuator utilizing combined bending and longitu
Linearized ultrasound beam alignment servo
Liquefaction phenomenon prediction system
Liquid crystal cell for acoustical imaging
Liquid crystal technique for examining internal structures