[ Amplifiers; Apparatus for recording, transmission, processing and reproduction of sound, images or data; Camcorders; Circuit boards; ]Computer chips; [ Computer interface boards; Computer memories; Computer storage devices, namely, high-speed storage subsystems for storage and backup of electronic data either locally or via a telecommunications network; Computers; Current rectifiers; DC/AC power converters; Electronic equipment, namely, transformers, baluns, cables used in connection with computers, computer peripheral devices, televisions, audio-video equipment, closed-circuit TV equipment and telecommunication equipment; High-frequency switching power supplies; ]Integrated circuits; [ LAN computer cards for connecting portable computer devices to computer networks; ]Microcircuits; [ Microprocessors and semi-conductors; Photographic cameras; Power inverters; Power supplies; ]Semi-conductors; Semiconductor chips[ ; Video cameras; Voltage regulators; Voltage regulators for electric power ]