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:
Jan. 12, 2021
Filed:
Jul. 26, 2016
Applicant:
Hewlett-packard Development Company, L.p., Houston, TX (US);
Inventors:
Nathan Moroney, Palo Alto, CA (US);
Ingeborg Tastl, Palo Alto, CA (US);
Melanie M. Gottwals, Palo Alto, CA (US);
Assignee:
Hewlett-Packard Development Company, L.P., Spring, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06T 15/50 (2011.01); G03B 43/00 (2006.01); G01J 1/02 (2006.01); G03B 15/02 (2006.01); G06K 9/20 (2006.01); G06K 9/46 (2006.01);
U.S. Cl.
CPC ...
G06T 15/50 (2013.01); G01J 1/02 (2013.01); G03B 15/02 (2013.01); G03B 43/00 (2013.01); G06K 9/2036 (2013.01); G06K 9/4661 (2013.01);
Abstract
In one example in accordance with the present disclosure a three-dimensional illumination chart is described. The chart includes a substrate divided into a number of portions. Each portion includes a raised relief pattern disposed thereon having a relief angle relative to a reference line. Each relief angle of the raised relief patterns of the number of portions is different from other relief angles of other raised relief patterns of other of the number of portions.