SWITCHES, FLAT KEYBOARDS, RELAYS, HIGH FREQUENCY POWER METERS, TESTERS FOR WIRELESS MOBILE UNITS, SIGNAL GENERATORS, CIRCUIT TESTERS, [ P.T.O. ] AMPLIFIERS, COAXIAL CABLE SWITCHES, COMPUTERIZED CARD SHAPED MEMORY UNITS FEATURING INTEGRATED CIRCUIT MODULES FOR USE IN THE FOLLOWING FIELDS; OF PRODUCTION PROCESS CONTROLS AT FACTORIES; IDENFIFICATION; AMUSEMENTS; NAMELY, T.V. GAMES; MUSICAL PERFORMANCES; NAMELY, ELECTRONIC MUSICAL INSTRUMENTS; PHOTOGRAPHY; NAMELY, INTEGRATED CIRCUIT CARD CAMERAS;...