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. 20, 2016
Filed:
Oct. 30, 2013
Applicant:
Hewlett-packard Development Company, L.p., Houston, TX (US);
Inventors:
Stephan R. Clark, Corvallis, OR (US);
Alexander Govyadinov, Corvallis, OR (US);
Jonathan James Mott, Corvallis, OR (US);
Lorraine Theresa Widmann, Corvallis, OR (US);
Assignee:
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/045 (2006.01); B41J 2/125 (2006.01); B41J 2/165 (2006.01); B41J 2/21 (2006.01); H01L 27/146 (2006.01);
U.S. Cl.
CPC ...
B41J 2/04526 (2013.01); B41J 2/04586 (2013.01); B41J 2/125 (2013.01); B41J 2/16579 (2013.01); B41J 2/16585 (2013.01); B41J 2/2142 (2013.01); B41J 2/2146 (2013.01); H01L 27/14627 (2013.01); H01L 27/14643 (2013.01); B41J 2/04561 (2013.01);
Abstract
A sensor images drops ejected from a printhead nozzle. The sensor has two parallel spaced-apart rows of imaging pixels. In one example, a lens projects an image of a drop ejected from a printhead onto the rows sequentially as the drop travels along a trajectory.