AUTOMATIC TESTING APPARATUS

• US 20120266021A1
• Filed: 09/23/2011
• Published: 10/18/2012
• Est. Priority Date: 04/15/2011
• Status: Active Grant

• Current Assignee: Wistron Corporation
• Original Assignee: Wistron Corporation
• Inventors: TIAN, LEI, ZHANG, CHUAN GUO, ZHI, BIN, WU, SHI-PING
• Granted Patent: US 8,880,947 B2
• Time in Patent Office: Days
• US Class Current: 714/27
• CPC Class Codes: G06F 11/2733 Test interface between tester and unit under test

Abstract

The present invention relates to an automatic testing apparatus used for testing a tested device. The automatic testing apparatus is fixed on a first side of a testing platform. The tested device executes a testing program while being tested, and transmits a test signal to a control unit of the testing platform for controlling a driving testing unit or a multimedia testing module to test the tested device and hence testing the tested device automatically. Thereby, testing costs can be saved and artificial factor affecting the test results can be avoided.

Claims

1. An automatic testing apparatus, comprising:

a tested device, having a peripheral device, and storing a testing program; and

a testing platform, having a fixing part, a control unit, and at least a driving testing unit, said fixing part and said driving testing unit located on a first side of said testing platform, said fixing part fixing said tested device on said first side of said testing platform, and said control unit connected electrically to said driving testing unit and said tested device;

where said tested device executes said testing program and transmits a test signal to said control unit;

said control unit produces a control signal and transmits it to said driving testing unit according to said test signal; and

said driving testing unit drives said peripheral device according to said control signal for testing said peripheral device.

2. The automatic testing apparatus of claim 1, wherein said peripheral device is a connection port, and said driving testing unit comprises:

a driving control circuit, connected electrically to said control unit, and receiving said control signal;

an electromagnetic valve, connected electrically to said driving control circuit, and said driving control circuit driving on/off of said electromagnetic valve according to said control signal;

a pneumatic cylinder, connected to said electromagnetic valve; and

a moving part, corresponding to said connection port and connected to said pneumatic cylinder, and said pneumatic cylinder driving said moving part to plug into said connection port for testing said connection port according to the on/off state of said electromagnetic valve.

3. The automatic testing apparatus of claim 2, wherein said peripheral device is a video port, and said testing platform further comprises a screen testing circuit, connected electrically to said driving testing unit, connected electrically to said video port of said tested device via said driving testing unit, and said tested device producing a video signal according to said testing program and outputting said video signal to said screen testing circuit for testing the video outputting functions of said video port.

4. The automatic testing apparatus of claim 3, wherein said testing platform further comprises an input/output testing circuit, connected electrically to said driving testing unit, connected electrically to an input/output port of said tested device via said driving testing unit for testing the hot-plug function of said input/output port.

5. The automatic testing apparatus of claim 4, wherein said peripheral device is an audio line port, and said testing platform further comprises an audio testing circuit, connected electrically to said driving testing unit, connected electrically to said audio line port via said driving testing unit, said tested device producing and transmitting an audio signal to said audio line port according to said testing program, and testing said audio signal according to said audio line port for testing said audio line port.

6. The automatic testing apparatus of claim 5, wherein said peripheral device is an HDMI port, and said testing platform further comprises:

an audio/video-separation unit, connected electrically to said driving testing unit, connected electrically to said HDMI port and extracting an HDMI AV signal, and separating said HDMI AV signal and outputting a video signal and an audio signal;

an audio testing circuit, connected electrically to said audio/video-separation unit and receiving said audio signal for testing said audio signal of said HDMI AV signal; and

a screen testing circuit, connected electrically to said audio/video-separation unit and receiving said video signal for testing said video signal of said HDMI AV signal.

7. The automatic testing apparatus of claim 6, wherein said driving testing unit comprises:

a driving control circuit, connected electrically to said control unit; and

a plurality of electromagnets, corresponding a plurality of keys of said tested device, connected electrically to said driving control circuit, and said driving control circuit driving said plurality of electromagnets to pressing said plurality of keys according to said control signal for testing the input functions of said plurality of keys.

8. The automatic testing apparatus of claim 7, wherein the tested device further comprising a multimedia module, the testing platform further comprising a multimedia testing module, said multimedia testing module located on a first side of said testing platform, said tested device executes said testing program and produces and transmits a test signal to said control unit;

said control unit produces and transmits a control signal to said multimedia testing module according to said test signal;

said multimedia testing module outputs a first multimedia signal according to said control signal;

said multimedia module of said tested device extracts said first multimedia signal;

said multimedia module outputs a second multimedia signal according to said first multimedia signal; and

said multimedia module extracts said second multimedia signal and compares said first multimedia signal with said second multimedia signal for testing the multimedia functions of said multimedia module.

9. The automatic testing apparatus of claim 8, wherein said multimedia module comprises a second video extraction unit and a second display unit;

said first multimedia signal and said second multimedia signal are video signals; and

said multimedia testing module comprises;

a first display unit, corresponding to said second video extraction unit, displaying said first multimedia signal according to said control signal, said second video extraction unit extracting said first multimedia signal, and said second display unit displaying said second multimedia signal according to said first video multimedia signal;

a first video extraction unit, corresponding to said second display unit, and extracting said second multimedia signal; and

a video comparing unit, connected electrically to said first display unit and said first video extraction unit, comparing said second multimedia signal with said first multimedia signal for testing the video multimedia functions of said multimedia module.

10. The automatic testing apparatus of claim 9, wherein said multimedia module comprises a second audio extraction unit and a second playing unit;

said first multimedia signal and said second multimedia signal are audio signals; and

said multimedia testing module comprises;

a first playing unit, corresponding to said second audio extraction unit, playing said first multimedia signal according to said control signal, said second audio extraction unit extracting said first multimedia signal, and said second playing unit playing said second multimedia signal according to said first multimedia signal;

a first audio extraction unit, corresponding to said second playing unit, and extracting said second multimedia signal; and

an audio comparing unit, connected electrically to said first playing unit and said first audio extraction unit, comparing said second multimedia signal with said first multimedia signal for testing the audio multimedia functions of said multimedia module.

11. The automatic testing apparatus of claim 1, wherein said peripheral device is a video port, and said testing platform further comprises a screen testing circuit, connected electrically to said driving testing unit, connected electrically to said video port of said tested device via said driving testing unit, and said tested device producing a video signal according to said testing program and outputting said video signal to said screen testing circuit for testing the video outputting functions of said video port.

12. The automatic testing apparatus of claim 1, wherein said testing platform further comprises an input/output testing circuit, connected electrically to said driving testing unit, connected electrically to an input/output port of said tested device via said driving testing unit for testing the hot-plug function of said input/output port.

13. The automatic testing apparatus of claim 12, wherein said input/output port is a USB port or a FireWire port (IEEE1394).

14. The automatic testing apparatus of claim 1, wherein said peripheral device is an audio line port, and said testing platform further comprises an audio testing circuit, connected electrically to said driving testing unit, connected electrically to said audio line port via said driving testing unit, said tested device producing and transmitting an audio signal to said audio line port according to said testing program, and testing said audio signal according to said audio line port for testing said audio line port.

15. The automatic testing apparatus of claim 1, wherein said peripheral device is an HDMI port, and said testing platform further comprises:

an audio/video-separation unit, connected electrically to said driving testing unit, connected electrically to said HDMI port and extracting an HDMI AV signal, and separating said HDMI AV signal and outputting a video signal and an audio signal;

an audio testing circuit, connected electrically to said audio/video-separation unit and receiving said audio signal for testing said audio signal of said HDMI AV signal; and

a screen testing circuit, connected electrically to said audio/video-separation unit and receiving said video signal for testing said video signal of said HDMI AV signal.

16. The automatic testing apparatus of claim 1, wherein said driving testing unit comprises:

a driving control circuit, connected electrically to said control unit, and extracting said control signal;

an electromagnetic valve, connected electrically to said driving control circuit, and said driving control circuit driving on/off of said electromagnetic valve according to said control signal;

a pneumatic cylinder, connected to said electromagnetic valve; and

a moving part, contacting a touch pad of said tested device and connected to said pneumatic cylinder, and said pneumatic cylinder driving said moving part to move on said touch pad for testing the touch functions of said touch pad according to the on/off state of said electromagnetic valve.

17. The automatic testing apparatus of claim 1, wherein said driving testing unit comprises:

a driving control circuit, connected electrically to said control unit; and

a plurality of electromagnets, corresponding a plurality of keys of said tested device, connected electrically to said driving control circuit, and said driving control circuit driving said plurality of electromagnets to pressing said plurality of keys according to said control signal for testing the input functions of said plurality of keys.

18. An automatic testing apparatus, comprising:

a tested device, having a multimedia module, and storing a testing program; and

a testing platform, having a fixing part, a control unit, and a multimedia testing module, said fixing part and said multimedia testing module located on a first side of said testing platform, said fixing part fixing said tested device on said first said of said testing platform, and said control unit connected electrically to said tested device;

where said tested device executes said testing program and produces and transmits a test signal to said control unit;

said control unit produces and transmits a control signal to said multimedia testing module according to said test signal;

said multimedia testing module outputs a first multimedia signal according to said control signal;

said multimedia module of said tested device extracts said first multimedia signal;

said multimedia module outputs a second multimedia signal according to said first multimedia signal; and

said multimedia module extracts said second multimedia signal and compares said first multimedia signal with said second multimedia signal for testing the multimedia functions of said multimedia module.

19. The automatic testing apparatus of claim 18, wherein said multimedia module comprises a second video extraction unit and a second display unit;

said first multimedia signal and said second multimedia signal are video signals; and

said multimedia testing module comprises;

a first display unit, corresponding to said second video extraction unit, displaying said first multimedia signal according to said control signal, said second video extraction unit extracting said first multimedia signal, and said second display unit displaying said second multimedia signal according to said first video multimedia signal;

a first video extraction unit, corresponding to said second display unit, and extracting said second multimedia signal; and

a video comparing unit, connected electrically to said first display unit and said first video extraction unit, comparing said second multimedia signal with said first multimedia signal for testing the video multimedia functions of said multimedia module.

20. The automatic testing apparatus of claim 19, wherein said multimedia module comprises a second audio extraction unit and a second playing unit;

said first multimedia signal and said second multimedia signal are audio signals; and

said multimedia testing module comprises;

a first playing unit, corresponding to said second audio extraction unit, playing said first multimedia signal according to said control signal, said second audio extraction unit extracting said first multimedia signal, and said second playing unit playing said second multimedia signal according to said first multimedia signal;

a first audio extraction unit, corresponding to said second playing unit, and extracting said second multimedia signal; and

an audio comparing unit, connected electrically to said first playing unit and said first audio extraction unit, comparing said second multimedia signal with said first multimedia signal for testing the audio multimedia functions of said multimedia module.

21. The automatic testing apparatus of claim 18, wherein said multimedia module comprises a second audio extraction unit and a second playing unit;

said first multimedia signal and said second multimedia signal are audio signals; and

said multimedia testing module comprises;

a first playing unit, corresponding to said second audio extraction unit, playing said first multimedia signal according to said control signal, said second audio extraction unit extracting said first multimedia signal, and said second playing unit playing said second multimedia signal according to said first multimedia signal;

a first audio extraction unit, corresponding to said second playing unit, and extracting said second multimedia signal; and

an audio comparing unit, connected electrically to said first playing unit and said first audio extraction unit, comparing said second multimedia signal with said first multimedia signal for testing the audio multimedia functions of said multimedia module.