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:
Dec. 07, 2021
Filed:
Oct. 29, 2015
Applicant:
Hewlett-packard Development Company, L.p., Spring, TX (US);
Inventors:
Javier Gonzalez, Terrassa, ES;
David Soriano, Terrassa, ES;
Sergi Ulldemolins, Sant Cugat del Valles, ES;
Assignee:
Hewlett-Packard Development Company, L.P., Spring, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K 17/284 (2006.01); H03K 17/689 (2006.01); G03G 15/00 (2006.01); H03K 17/10 (2006.01); B41J 29/387 (2006.01); G05B 9/02 (2006.01); H03K 5/24 (2006.01);
U.S. Cl.
CPC ...
G03G 15/5012 (2013.01); B41J 29/387 (2013.01); G05B 9/02 (2013.01); H03K 5/24 (2013.01); H03K 17/102 (2013.01); G03G 15/55 (2013.01);
Abstract
An interlock circuit comprises a plurality of semiconductor switching units electrically connected or connectable in series in a supply line, a plurality of control units electrically connected to the plurality of semiconductor switching units, and a trigger unit electrically connected to the plurality of control circuits. Each control unit activates or deactivates a corresponding semiconductor switching unit in response to trigger signal received from the trigger unit.