Coaxial cables; Coaxial cables incorporating filters; Video cables; Video multiplexers; Video processors; Video transmission apparatus; Audio- and video-receivers; Audio-video receivers; Audio-receivers and video-receivers; Component video cables; Consumer electronic products, namely, audio amplifiers, audio speakers, audio receivers, electrical audio and speaker cables and connectors, audio decoders, video decoders, speakers, power conversion devices, power converters, and power inverters; Electronic equipment, namely, transformers, baluns, and cables, all used in connection with computers, computer peripheral devices, televisions, audio-video equipment, closed-circuit TV equipment and telecommunication equipment; Electronic test and measurement devices for use in the fields of networks and telecommunications, namely, instrumentation used to test and certify new and existing data and voice communication cable and coaxial cable; Integrated circuits, integrated circuit chips, and integrated circuit modules for digital video compression and decompression; Integrated circuits, integrated circuit chips, and integrated circuit modules for encoding and decoding digital video; Matrix switchers for audio and video signals; Metal grounding bushings and metal grounding clamps, both for use only as parts and fittings for coaxial cable, and not for non-electric cable or machinery or machine parts; Television and video converters; Transmitters and receivers for audio and video signals for transmission over twisted pair cables