Capacitor touch screen automatic test device

2012 
The invention provides a capacitor touch screen automatic test device which is used for testing the assembly tolerance between a display panel and an induction panel of a capacitor touch screen. The capacitor touch screen automatic test device comprises a base, a bearing platform, a transparent substrate, a number of camera modules, a conductive element and a control module. The bearing platform is used for bearing the capacitor touch screen. A number of camera modules and the conductive element are arranged on the transparent substrate. The control module is electrically connected with a number of camera modules. When a test is carried out, the transparent substrate moves above the capacitor touch screen, so that the conductive element contacts a touch test point. After the capacitor touch screen and the conductive element form a current loop, the capacitor touch screen displays an induction point corresponding to the touch test point. A number of camera modules respectively capture the images of the assembly corners of the display panel and the induction panel, and the touch test point, and transmit the images to the control module. The control module judges whether each distance value is in an allowable range according to the images. According to the invention, the automatic test can be realized, and the test precision can be improved.
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