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A BS constructed system that invokes the client's hardware through a browser, such as an RFID reader

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A BS structured system that invokes client hardware, such as an RFID reader, on a client computer through a browser.
BS structure of the system, the client has installed the RF card reader, the driver is also installed, working properly. After the customer login system through the browser, want to directly through the browser to access the card reader, can be achieved, Firefox and Internet Explorer can support it.

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------Solution--------------------
The implementation is sure to be possible!

This should involve a control or an interface! This control or interface is generally provided by manufacturers, can also be done by themselves!

If you use a control, Firefox and IE need to write different controls!

------Solution--------------------
Always the client to have some control, rather than change CS bar

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