Re: Compression, encoding, entropy

From: Arthur Keller <arthur_at_kellers_dot_org>
Date: Sun May 02 2004 - 23:11:42 CDT

At 12:44 PM -0700 5/2/04, Alan Dechert wrote:
>Right. And while we're at it, we need to add printing to the list of
>research questions. The testing we've done so far tends to indicate minimal
>requirements for the printer when using 1-d Code128 barcodes. Although I
>tend to think inkjet printers may not be the best way to go (lasers are much
>faster and toner cartridges are better than inkjet), I was able to print
>perfectly readable barcodes on my 6-year old HP Deskjet. The 1-d barcodes
>came out fine on 300, 600, and 1200 DPI laser printers. We have not done
>any testing printing 2-d barcodes so we just don't know enough. It seems
>likely 2-d barcodes will have more demanding requirements for the printers.
>So it might be that both the printers and the readers will be more
>expensive. We just don't have enough information to make an informed
>decision on this right now.

One advantage of using inkjet printers is that the cartridges are
usually cheaper than toner cartridges for laser printers. It then
becomes affordable to use a fresh cartridge for every printer for
every election. That reduces one of the potential causes for failure.

Best regards,

Arthur M. Keller, Ph.D., 3881 Corina Way, Palo Alto, CA  94303-4507
tel +1(650)424-0202, fax +1(650)424-0424
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Received on Mon May 31 23:17:03 2004

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