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Device test apparatus and test method including control unit(s) between controller and test units

  • US 7,042,243 B2
  • Filed: 05/26/2004
  • Issued: 05/09/2006
  • Est. Priority Date: 05/30/2003
  • Status: Expired due to Fees
First Claim
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1. A test apparatus for independently testing each of a plurality of devices-under-test, comprising:

  • a controller for sending test requests for the devices-under-test and receiving test results of the devices-under-test;

    a plurality of test units for executing tests on the devices-under-test, respectively, and receiving the test results, each of the test units comprising a processor, a test circuit and an interface;

    a plurality of control units, provided between said controller and said test units, for controlling a test process in the respective test units according to the test requests from said controller, and transferring the test results obtained in said test units to said controller; and

    wherein said plurality of the control units are operated in parallel to manage the test units.

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