Apparatus for transmission of communication; Audio- and video-receivers; Digital to analogue converters; Electric cables; Electric converters; Interfaces for computers; Power connectors; Radios; Sound transmitting apparatus; Transmitters of electronic signals; Transponders; Video multiplexers; Computer mouse; Data processing equipment, namely, couplers; Electronic chips for the manufacture of integrated circuits; Electronic switchers for audio and video signals; Electronic and optical communi...