Ruby on Rails

felipekk@gmail.com wrote in post #651378:
> When the cursor is on the form field register_no, the user should
> "swipe" the card. This will fill the field with the code from the
> card. This is totally transparent to your Rails application, since not
> even the browser knows that data is coming from a barcode reader. You
> see, the way a simple barcode reader works is that when you swipe the
> card, it sends to the keyboard port on your computer the electric
> signals for the numbers, so probably not even your computer can tell
> if those signals are coming from the keyboard or what. It is
> essentially the same thing as you typing in your phone number or your
> name, only its done "instantly" as you swipe the card.
>
> If it is a USB reader, it is a little bit different on how it does
> it's magic, but the way you interact with it should be the same. Have
> you tried creating a simple HTML form with the field, positioning the
> cursor on the field and swiping the card? It should work.
>
> On Mar 25, 9:31 pm, Pokkai Dokkai <rails-mailing-l...@andreas-s.net>
Well, the usb magnetic card reader can install directly on your computer
host.
(http://www.syncotek.com/product/card_reader_1.html )

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