Ultrasonic transducers Automobiles 6 Electronics 6 Insect baits and repellents 6 Microcontrollers 5 Programmable controllers 5 Data processing 4 Detectors 4 Field programmable gate arrays 4 Intelligent control systems 4 Safety measures 4 Sensor networks 4 Ultrasonic waves 4 Vehicle detectors 4 Design and construction 3 Fuel injection systems 2 Industrial applications 2 Motor 2 Photovaltaic power generation 2 Sound-waves 2 Technological innovations 2 Ultrasonics in medicine 2 hotovoltaic power systems 2 Microcontroller 1 Microelectromechanical systems 1 Proximity detectors 1 Radio frequency 1 Remote submersibles 1