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:
Apr. 19, 2022

Filed:

Apr. 25, 2017
Applicant:

Hewlett-packard Development Company, L.p., Spring, TX (US);

Inventors:

Peter Morovic, Sant Cugat del Valles, ES;

Jan Morovic, London, GB;

Hector Gomez Minano, Sant Cugat del Valles, ES;

Marcos Casaldaliga Albisu, Sant Cugat del Valles, ES;

Joan Jordi Coll Sicluna, Sant Cugat del Valles, ES;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B 11/30 (2006.01); B41F 33/00 (2006.01); G01N 21/86 (2006.01);
U.S. Cl.
CPC ...
G01B 11/303 (2013.01); B41F 33/0036 (2013.01); G01N 21/86 (2013.01);
Abstract

A method is described in which a reflection is obtained of a laser light pattern reflected from a substrate. A reflection of diffuse light may be obtained from the substrate. A first parameter may be determined, relating to the substrate from the reflected laser light pattern. A second parameter may be determined, relating to the substrate from the reflected diffuse light and a characteristic of the substrate may be determined from the first and second parameters. A print apparatus and a machine-readable medium are also disclosed.


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