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:
Oct. 24, 2023

Filed:

Jan. 29, 2018
Applicant:

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

Inventors:

Nicola Baldo, Sant Cugat del Valles, ES;

David Pinheiro, Sant Cugat del Valles, ES;

Albert Trenchs Magana, Sant Cugat del Valles, ES;

Esteve Comas Cespedes, Sant Cugat del Valles, ES;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 64/393 (2017.01); B33Y 50/02 (2015.01); G01R 19/165 (2006.01); G01R 21/00 (2006.01); B29C 64/268 (2017.01);
U.S. Cl.
CPC ...
B29C 64/393 (2017.08); B29C 64/268 (2017.08); B33Y 50/02 (2014.12); G01R 19/16595 (2013.01); G01R 21/00 (2013.01);
Abstract

A method and apparatus is described in which a signal indicative of an operation of a energy source of a 3D printer during a second predetermined time period commencing with the end of a first predetermined time period is obtained, the first predetermined time period commencing with an activation of the energy source, wherein the energy source is active throughout the first and second time periods; the obtained signal is compared with a reference signal; and it is determined, based on the comparison, whether the energy source is operating according to predetermined characteristics.


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