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:
Aug. 06, 2019

Filed:

Jan. 08, 2015
Applicant:

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

Inventors:

John T Brassil, Princeton, NJ (US);

Andy Liao, San Diego, CA (US);

Vijay Nayak, San Diego, CA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/045 (2006.01); B41J 3/36 (2006.01); B41J 29/02 (2006.01); B41J 2/21 (2006.01);
U.S. Cl.
CPC ...
B41J 2/04508 (2013.01); B41J 2/04586 (2013.01); B41J 2/2135 (2013.01); B41J 2/2142 (2013.01); B41J 3/36 (2013.01); B41J 29/023 (2013.01); B41J 2/04573 (2013.01);
Abstract

A mobile printer includes an ultrasound sensor to sense a set of ultrasonically-sensed positional data points of a print nozzle of the printer, at least one optical sensor to sense a set of optically-sensed positional data points of the print nozzle, and a processor. The processor is to apply a correction function on the set of ultrasonically-sensed positional data points and on the set of optically-sensed positional data points to provide a set of corrected positional data points of the print nozzle and is to cause the print nozzle to deposit according to a print request and according to the set of corrected positional data points.


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