Patent ID: 8581614

Claim:
A multi-level test system for testing electronic devices on movable electronic testers comprising: a plurality of electronic testers; test sockets on the plurality of electronic testers, the test sockets for receiving electronic devices for testing; a loader-unloader for inserting electronic devices into test sockets on electronic testers in the plurality of electronic testers when the electronic testers are at a loading station; a plurality of parking-testing structures, each parking-testing structure in the plurality of parking-testing structures having a plurality of parking levels, each parking level for temporarily holding an electronic tester in the plurality of electronic testers during testing of the electronic devices in the test sockets; a plurality of test stations, for connecting to electronic testers in the plurality of electronic testers and for activating the electronic testers to test the electronic devices inserted into the test sockets on the electronic testers; wherein each parking level in the plurality of parking levels has a test station in the plurality of test stations that connects to an electronic tester in the plurality of electronic testers that is currently parked on each parking level; a conveyor for moving the plurality of electronic testers from the loading station to the plurality of parking-testing structures, and for moving the plurality of electronic testers from the plurality of parking-testing structures to the loading station after testing by the plurality of test stations, whereby the conveyor links the loader-unloader to the plurality of parking-testing structures.