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:
Jul. 08, 2014
Filed:
Sep. 02, 2010
Applicants:
Alexander Govyadinov, Corvallis, OR (US);
Andrew L. Van Brocklin, Corvallis, OR (US);
Donald W. Schulte, Albany, OR (US);
Terry Mcmahon, Albany, OR (US);
Inventors:
Alexander Govyadinov, Corvallis, OR (US);
Andrew L. Van Brocklin, Corvallis, OR (US);
Donald W. Schulte, Albany, OR (US);
Terry McMahon, Albany, OR (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 29/393 (2006.01);
U.S. Cl.
CPC ...
Abstract
A drop detector assembly includes an ejection element formed on a substrate to eject a fluid drop, and a light detector formed on the substrate to detect light scattered off of the fluid drop. A fluid drop ejected from a nozzle formed in a transparent nozzle plate scatters light that is detected through the transparent nozzle plate.