A six-degree-of-freedom ultrasonic C-scan imaging inspection system using the water jet method was developed. The motion mechanism mainly relies on the six degrees of freedom of the robotic arm, and ...

The AlGaN-based solar-blind ultraviolet (SBUV) detectors have tremendous potential applications in missile warning, secret communications, deep space exploration, etc. In this work, we have proposed a ...

A prototype of an ultrasonic obstacle detector developed as a part of a navigation system for blind and visually impaired people is presented. The detector, which employs a single ultrasound source ...