TESTPAC

AUTOMATIC TESTER SYSTEMS FOR TESTING SUB-ASSEMBLIES AND FINISHED PRODUCTS OF AN ELECTRONIC MANUFACTURER INCLUDING ONE OR MORE OF THE FOLLOWING MODULES: PAPER TAPE READER, CONTROLLER, COMMAND REGISTER AND INSTRUMENT INTERFACE FOR STORING PROGRAMS AND INTERCONNECTING THE MODULES WITH OTHER TEST INSTRUMENTS, PROGRAMMABLE SWITCH, DIGITAL COMPARATOR AND INPUT-OUTPUT INTERFACE FOR CONNECTING TO A DIGITAL COMPUTER, TELETYPEWRITER OR THE LIKE