The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 01, 2026
Filed:
Oct. 04, 2024
SK Hynix Inc., Icheon-si, KR;
SK HYNIX INC., Icheon-si, KR;
Abstract
An imaging device is provided to include a physical unclonable function (PUF) pixel selection unit configured to identify a first pixel that is designated to generate PUF data and select a second pixel having a color identical to a color of the first pixel, a noise extraction unit coupled to the PUF pixel selection unit to receive information of the first pixel and the second pixel and configured to extract a first noise value of the first pixel and a second noise value of the second pixel, and a PUF data generation unit coupled to the noise extraction unit and configured to generate the PUF data based on the first noise value and the second noise value from the noise extraction unit.