> I suppose you could. A bar code merely has bars that are read by
> a reader -- not magnetically-encoded. When I demonstrate the use
> of bar codes I often carry a storyboard book where the bar codes
> are in plastic. And there are a lot of cheap bar code programs
> available. So, you could generate a bar code, attach it to your
> banner, scan it, and find it in your inventory. If that were the
> case I would use UPC-A, rather than UPC-C as the first only needs
> 6 digits (internal use) whereas the second needs 12 digits,
> included the number assigned by the UCC.
Many of the bar code readers will do code 39, which has alphanumerics.
I have some programs that produce code 39. Why inventory numbers when you
can have the full URL?
You can buy bar code scanners that sit between the keyboard and the
computer. Some require a physical wipe across the code, others move the
beam for you and let you read the item without physical contact.
A good book on this is "The Bar Code Book", by Roger C. Palmer,
Helmer's Publishing, 174 Concord Street, Peterborough, New Hampshire
03458. ISBN 0-1911261-05-2. It specifies, not just describes, each of the
more common bar codes, talks about equipment for reading and printing the
codes, etc.
Whenever I do a large mailing to clients, I use bar codes below the
return address so that I can retrieve the database record from which the
envelope or card was generated. That lets me phone them and update or
weed out returns rather quickly. It is not that hard to print bar codes
using a laser printer.
I'll stick some code up at...
http://www.mall-net.com/javilk/barcode.html by evening or tomorrow.
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