Patent ID: 8805293

Claim:
A transport frame for testing a battery-powered electronic device-under-test (DUT) in a test fixture, the test fixture arranged to receive the transport frame and to test the DUT when the transport frame is engaged with the test fixture, the test fixture comprising a test fixture power supply arranged to provide power to the DUT in a testing stage, the transport frame comprising: a transport frame power supply arranged to provide power to the DUT in a pre-testing stage, the transport frame power supply being separately capable of powering the DUT from the text fixture power supply that is separately capable of powering the DUT from the transport frame power supply; and a switching circuit arranged to switch from the transport frame power supply to the test fixture power supply in response to receiving a first power switching signal indicating satisfaction of a pre-testing condition, and arranged to switch from the test fixture power supply to the transport frame power supply in response to receiving a second power switching signal indicating completion of a testing stage.