[ apparatus for recording, transmission or reproduction of sound or images; blank magnetic data carriers; blank recording discs; blank digital recording media, namely, compact discs and DVDs; calculating machines, data processing equipment, computers; computer software; recorded content, namely, audio and video tutorials; downloadable computer software for operating online databases in the field of monitoring, controlling, steering, configurating, managing, measuring and programming and modif...

ELECTRONIC MULTIPLEXERS AND DEMULTIPLEXERS