US Patent 11279164 Length-modulated screening lines and line codes
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Patent Number
112791640
Date of Patent
March 22, 2022
0Patent Application Number
167801830
Date Filed
February 3, 2020
0Official Website
Patent Primary Examiner
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Patent Jurisdiction
Patent Number
112791640
Date of Patent
March 22, 2022
0Patent Application Number
167801830
Date Filed
February 3, 2020
0Official Website
Patent Primary Examiner
CPC Code
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US Patent 11279164 Length-modulated screening lines and line codes
Article
Some implementations provide a computer-assisted method for embedding information in an identification document. The method includes: modulating information by varying lengths of line segments; generating a line code that includes the line segments with corresponding lengths; and applying the line code on an identification document such that the information is used to authenticate the identification document as genuine when a person presents the identification document to verify an identify of the person.
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Patent jurisdiction
Patent number
11279164
Date of patent
March 22, 2022
Patent application number
16780183
Date Filed
February 3, 2020
Patent primary examiner
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