Browse Prior Art Database

Creating Security Documents Using Ink Jet Printers

IP.com Disclosure Number: IPCOM000123622D
Original Publication Date: 1999-Feb-01
Included in the Prior Art Database: 2005-Apr-05
Document File: 1 page(s) / 29K

Publishing Venue

IBM

Related People

Barker, RB: AUTHOR

Abstract

Through the use of special ink formulations and ink jet print heads, companies can develop strategies to verify the validity of a receipt to reduce losses due to fraudulent receipts.

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This is the abbreviated version, containing approximately 100% of the total text.

Creating Security Documents Using Ink Jet Printers

   Through the use of special ink formulations and ink jet
print heads, companies can develop strategies to verify the validity
of a receipt to reduce losses due to fraudulent receipts.

   Government currency can be tested through the use of a
special marking pen which reacts differently with real versus
counterfeit materials.  However, the basic materials for currency
are closely controlled while printer supplies in a store are not
guarded.

   An alternative approach for a retailer would be to print
store receipts using a special ink that changes color when exposed
to a special marking pen.  The advantage of using an ink jet print
head is that the basic ink supply could be designed to prevent easy
migration into a standard PC ink jet printer.

   Using color printers and copiers, thieves can generate
a fake receipt, returning stolen merchandise for cash refunds.
However, a store could require that the cashier rub the special
marker over the printed receipt to test for a known color change
prior to issuing a refund.