Printed document control with verified unique watermarks
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United States of America Patent
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Mar 13, 2018
Issued Date -
N/A
app pub date -
Jun 23, 2017
filing date -
Dec 14, 2015
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Systems and methods are directed towards generating a verified unique watermark. More specifically, the systems and methods are directed towards generating a watermark that is as long as possible without any repetition. Such watermarks are possible by selecting characteristics of the watermark and methods for producing the watermarks (e.g., dandy rollers). By producing longer unique watermarks, users would be capable of generating longer rolls of paper whereby more sheets can be produced that each possesses a unique watermark. With the unique watermark, users can identify what information is printed on each sheet as well as authenticate the contents of each individual sheet.
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International Classification(s)
- B41M:PRINTING, DUPLICATING, MARKING, OR COPYING PROCESS....
- H04N:PICTORIAL COMMUNICATION, e.g. TELEVISION
- G07D:SORTING, TESTING, CHANGING, DELIVERING, OR OTHERWI....
- B41F:PRINTING MACHINES OR PRESSES
- B42D:BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER O....
- D21H:PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED....
- G03G:ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- D21F:PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER ....
- G06K:RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD ....
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