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