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:
May. 30, 2008
Applicant:
Manoj K Bhattacharyya, Palo Alto, CA (US);
Inventor:
Manoj K Bhattacharyya, Palo Alto, CA (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
Methods and devices for measuring conductivity of ink in a printing system are disclosed. An embodiment of the method is used with a printing system having a developer roller, wherein the ink is formed on the developer roller using electrostatic forces and is used to print on a substrate. A first current charges the developer roller during the printing. The first current is measured and the conductivity of the ink is determined, wherein the conductivity is proportional to the square of the first current.