electronic oscilloscope
electronic pen
electronic photo-voltaic cell
electronic photometer
electronic picture
electronic pointer
electronic potentiometer
electronic processor
electronic publishing
electronic raster scanning
electronic recording equipment
electronic recording tube (ER tube)
electronic rectifier
electronic regulation
electronic regulator
electronic relay
electronic reverberation
electronic sampling switch
electronic scanner
electronic scanning = electron scanning
electronic scanning antenna
electronic semiconductor
electronic switching circuit
electronic telegraph
electronic teletype
electronic television
electronic temperature recorder
electronic text
electronic thermometer
electronic timer