Differential phase velocity determining delay measurement appara
Differential property sensitive acoustic lens
Differential sound level meter
Differentiation and identification of analogous chemical or...
Diffusion nozzle for an ultrasonic probe
Digital bond tester
Digital rectilinear ultrasonic imaging system
Digital time variable gain circuit for non-destructive test...
Digital type ultrasonic holography apparatus
Digital type ultrasonic holography apparatus
Digital ultrasonic instrument for ophthalmic use
Digital ultrasonic stress measuring method and apparatus
Direct-sequence spread-spectrum ultrasonic testing device
Directional ultrasonic transducers
Dispersive electromagnetic surface acoustic wave transducer
Display device for non-destructive testing apparatus
Display of ultrasound test data
Distance amplitude compensation system
Distance measuring systems and methods thereof
Distributed mode system for real time acoustic emission...