Abstract: Displacement sensor is the key component of the magnetic levitation system. Reducing complexity and improving reliability of the sensor circuits are very important to mass production of ...

Abstract: In this paper, the authors developed a capacitive-based sensor technology for high-range proximity detection, composed of multiple active units. The single sensor unit consists of a ...

Burglars tend to favour doors and windows that are not easily visible from public places. However, what they dislike are clear indications of activities inside the building, especially as a result of ...