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:
Apr. 23, 2024
Filed:
Nov. 28, 2018
Applicant:
Hewlett-packard Development Company, L.p., Spring, TX (US);
Inventors:
Li Qian, Sant Cugat del Valles, ES;
Diego Lopez Ubieto, Sant Cugat del Valles, ES;
Francisco Guerrero Carvajal, Sant Cugat del Valles, ES;
Assignee:
Hewlett-Packard Development Company, L.P., Spring, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 11/46 (2006.01); B41J 11/42 (2006.01); B41J 11/44 (2006.01); G01P 3/38 (2006.01); G06V 10/22 (2022.01);
U.S. Cl.
CPC ...
B41J 11/46 (2013.01); B41J 11/42 (2013.01); B41J 11/44 (2013.01); G01P 3/38 (2013.01); G06V 10/225 (2022.01);
Abstract
An optical sensor device () includes an application module () for applying an irregular pattern of marks to a surface of a medium and an optical detector module (). The optical detector module () acquires images of the applied marks and may determine an advancement speed of the medium based on the acquired images.