Invention Grant
- Patent Title: Magnetic helical physical unclonable function measured adjacent to flight
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Application No.: US15227637Application Date: 2016-08-03
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Publication No.: US09665748B1Publication Date: 2017-05-30
- Inventor: Adam Jude Ahne , Graydon Randall Dodson , Roger Steven Cannon
- Applicant: Lexmark International, Inc.
- Applicant Address: US KY Lexington
- Assignee: LEXMARK INTERNATIONAL, INC.
- Current Assignee: LEXMARK INTERNATIONAL, INC.
- Current Assignee Address: US KY Lexington
- Main IPC: G06K19/06
- IPC: G06K19/06 ; G06K7/08
Abstract:
A helical physical unclonable function is disclosed. The helical physical unclonable function may be used to authenticate a supply item for an imaging device. Measurements of the magnetic field adjacent a helical flight are stored in a non-volatile memory to be used by an imaging device to authenticate the supply item. Other systems and methods are disclosed.
Information query
