SCRATCH-OFF DOCUMENT ALTERING AND COPYING COUNTERMEASURES
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United States of America Patent
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Issued Date -
Jun 13, 2024
app pub date -
Sep 28, 2023
filing date -
Dec 13, 2022
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Abstract
A full-color protected document, and methods and systems for making same, secured by a removable Scratch-Off Coating, where the protection against document alteration and/or copy type attacks is provided by digitally imaging Benday patterns and/or digital imaged background patterns around the variable indicia. By printing Benday patterns and/or imaged background using the same process color imagers, usability and integrity of the protected document are achieved relative to the consumer's perspective while at the same time providing a more secure, less expensive, and more aesthetically pleasing document design.
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