Computer cables; Computer card adapter; Computer apparatus, namely, a converter that superimposes an Ethernet signal on an existing cable; Computer apparatus, namely, a converter that superimposes an Ethernet signal on an existing cable; Converters, electric; Electric adapter cables; Data synchronization cables; Electronic equipment, namely, transformers, baluns, and cables, all used in connection with computers, computer peripheral devices, televisions, audio-video equipment, closed-circuit ...