How does a smartphone or tablet interact with a wireless paper pen drive?

5 pts.
Tags:
Pen Drive
Smartphones
Tablets
In our college, I'm doing a seminar on wireless paper pen drive. I read as smartphones interact with paper pen drives without any physical connection between them. How it is possible? Please send me information.

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  • Subhendu Sen
    You can read " Sensing techniques for mobile interaction" a book, that can help you a lot.
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