Patent ID: 7644326

Claim:
A testing system comprising: a plurality of test applying portions, each test applying portion having a test device that generates an output signal in response to the test applying portion; a plurality of testing portions, each testing portion testing the output of the test device; and a switch portion that switches the output signal of the test device between the test applying portions and the testing portions, the switch portion including: (1) a first switch being a matrix switch, having an input port connected to one of the test applying portions and a plurality of output ports, and selecting one of the output ports for connecting the input port; (2) a second switch being a matrix switch, having a plurality of input ports and an output port connected to one of the testing portions, and selecting one of the input ports for connecting the output port; and (3) a connecting portion that has a plurality of transmission parts that connect the output ports of the first switch and the input ports of the second switch, the output signal of the test device being supplied to said one of the testing portions passing through the first switch, the connecting portion and the second switch.