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.

Date of Patent:
Sep. 22, 2015

Filed:

May. 29, 2008
Applicant:

Jacob Grundtvig Refstrup, Vancouver, WA (US);

Inventor:

Jacob Grundtvig Refstrup, Vancouver, WA (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/12 (2006.01); G06F 21/60 (2013.01); B41J 2/175 (2006.01); G06F 21/44 (2013.01); G06F 21/57 (2013.01); G03G 15/08 (2006.01); H04L 9/00 (2006.01); H04L 9/32 (2006.01); G11C 29/00 (2006.01);
U.S. Cl.
CPC ...
G06F 21/608 (2013.01); B41J 2/17546 (2013.01); G03G 15/0863 (2013.01); G06F 21/445 (2013.01); G06F 21/57 (2013.01); G03G 2215/0697 (2013.01); G03G 2221/1823 (2013.01);
Abstract

A replaceable printer component includes a first memory device and a communication link. The first memory device is configured to store a first secret. The communication link is configured to communicatively link the first memory device to a printer controller when the replaceable printer component is installed in a printing system. The printing system comprises a second memory device storing a second secret. The second memory device is communicatively linked to the printer controller. The printer controller is configured to determine an authenticity of the replaceable printer component based on the first secret and the second secret.


Find Patent Forward Citations

Refstrup, Jacob. (2015). Authenticating a replaceable printer component (U.S. Patent No. 9141816). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9141816

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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