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. 31, 2012
Filed:
May. 26, 2009
Applicants:
Jeffrey T. Hendricks, Camas, WA (US);
Alexander Govyadinov, Corvallis, OR (US);
Prodpran Suetrong, Bangkok, TH;
Inventors:
Jeffrey T. Hendricks, Camas, WA (US);
Alexander Govyadinov, Corvallis, OR (US);
Prodpran Suetrong, Bangkok, TH;
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/165 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of detecting orifice health includes moving a cap support into a drop detect position wherein a light source mounted on the cap support is positioned adjacent an array of fluid ejecting orifices, from the light source, projecting a light beam adjacent to the array of fluid ejecting orifices, ejecting at least one fluid drop from the array and through the light beam, and detecting scattered light from the at least one ejected fluid drop.