Installation and maintenance of home theater control systems, audio-visual control systems and lighting control systems, security systems, camera systems, network systems

electronically controlled, auger type filling machines for measuring dry products

DIGITRONIC ELECTRONIC ODOMETERS

ELECTRONIC TIMELOCK FOR UNLOCKING SAFES AND EMERGENCY EXIT DOORS

Electronic billboard advertising

electronic accessories for automobiles

PAY TELEPHONES

Data Processing Apparatus [ and Component Parts Thereof]

COUPLERS FOR CONVERSION AND CHECKING OF DATA TRANSMITTED BETWEEN MOTOR OPERATED MAGNETIC AND PUNCHED PAPER TAPE READERS AND SERIAL DATA UTILIZATION DEVICES

COMPUTER EQUIPMENT NAMELY, INDUSTRIAL COMPUTERS, PROGRAMMABLE INPUT/OUTPUT CONTROLLERS, ANALOG EXPANSION BOARDS, MODEMS, MODEM INTERFACES, DISCREET INPUT/OUTPUT EXPANDERS, INPUT/OUTPUT MODULES, ANALOG/DIGITAL CONVERTERS, INPUT/OUTPUT STATION CONTROLLERS, PORT CONTROLLERS, MULTIBUS CONTROLLERS, NETWORK REPEATERS, PEER TO PEER CROSSTALKING MODULES, CURRENT LOOP TRANSMITTERS, COMPUTER OPERATING PROGRAMS, AND COMPUTER PROGRAMS FOR USE IN CONTROL OF INDUSTRIAL PROCESSES