Communication equipment including instruments, apparatus and contrivances for the transmission or reception and switching of sound, writings, images and signals including radio and line communication at all frequencies; electronic networking and control equipment; navigational equipment and systems including air navigational and ground control equipment and systems; traffic control equipment including road weight sensors and vehicle detectors; defense equipment in this class including electronics networking and control equipment; microelectronics of all kinds; computer software and hardware and peripheral equipment; gaming and amusement equipment in this class including slot machines and coin-operated machines