Rotary converters; phase modifiers; switches, namely, cut-out switches, differential switches, ethernet switches, control switches, pressure switches, electric switches; telecommunication machines and apparatus, and their parts and accessories, namely, telephones, modems, routers, PDAs, cordless telephones, cell phones, portable telephones, transformers for modems, personal communication services "PCS" telephone handsets, transceivers, intercoms, telephone handsets; digital audio players; MP3...