Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Condition responsive means controls separating means
Patent
1993-03-05
1995-11-14
Terrell, William E.
Classifying, separating, and assorting solids
Sorting special items, and certain methods and apparatus for...
Condition responsive means controls separating means
324759, 324764, B07C 5344, G01R 1500
Patent
active
054658500
ABSTRACT:
An integrated circuit test system tests a plurality of integrated circuit devices which are classified by an auto-handler. The test system comprises a test board for receiving the device under test, circuit tester for carrying out the tests, an auto-handler for mounting, demounting and classification the devices based on the test results. Individual test result signals are related to the respective individual devices. Equipment on the test board correspond to the respective devices and transmit both an individual existence signal and a device identification signal synchronized with the individual test result signal. The device identification signal identifies the individual information signal as being related to a particular device, in order to avoid an error in classification of the device by the auto-handler irrespective of possible wrong connections and of the order of the transmission of the individual test result signals.
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NEC Corporation
Nguyen Tuan
Terrell William E.
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