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IC card swiping technology under the screen [Copy link]

Recently I have seen some products that can swipe cards directly on the top of the screen. Aren't the bottoms of normal 5/7 inch screens made of metal? How can they swipe IC cards? Please give me some advice, thank you!

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Segment code LCD has fewer electrodes on the screen, so there is less interference In addition, the antenna is not actually directly below the screen, it is probably around the screen.   Details Published on 2019-10-31 08:56
 

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Segment code LCD has fewer electrodes on the screen, so there is less interference

In addition, the antenna is not actually directly below the screen, it is probably around the screen.

This post is from RF/Wirelessly
 
 

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