US 12,276,698 B2
Testing system and testing method
Te-Ming Kung, New Taipei (TW)
Assigned to ASMedia Technology Inc., New Taipei (TW)
Filed by ASMedia Technology Inc., New Taipei (TW)
Filed on May 5, 2023, as Appl. No. 18/312,600.
Claims priority of application No. 112113717 (TW), filed on Apr. 12, 2023.
Prior Publication US 2024/0345164 A1, Oct. 17, 2024
Int. Cl. G01R 31/3185 (2006.01); G01R 31/317 (2006.01); G01R 31/3183 (2006.01)
CPC G01R 31/318572 (2013.01) [G01R 31/31723 (2013.01); G01R 31/318371 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A testing system, comprising:
a first testing device, coupled to a first stream facing-port of a device under test and comprising a controller,
wherein the controller is configured to transmit a testing signal to the device under test through the first stream facing-port to test a universal serial bus (USB) of the device under test, and
the testing signal comprises a test command and the test command is configured to instruct the device under test to operate in a tunneling mode and perform a test operation to generate a data signal, wherein the test operation corresponds to a vendor command of the device under test; and
a second testing device, coupled to a second stream facing-port of the device under test,
wherein the second testing device is configured to receive the data signal through the second stream facing-port from the device under test and the data signal comprises information corresponding to a type of the second stream facing-port,
the second testing device is configured to obtain status information of the device under test in response to the test operation to generate a testing result, and
the controller determines whether the device under test is normal according to the testing result.