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:
Feb. 26, 2013
Filed:
Jun. 30, 2008
Isaac S. Frazier, Portland, OR (US);
David L. Knierim, Wilsonville, OR (US);
James Michael Bonicatto, Portland, OR (US);
Michael E. Norkitis, Newberg, OR (US);
Isaac S. Frazier, Portland, OR (US);
David L. Knierim, Wilsonville, OR (US);
James Michael Bonicatto, Portland, OR (US);
Michael E. Norkitis, Newberg, OR (US);
Xerox Corporation, Norwalk, CT (US);
Abstract
An ink level sensing system that exhibits good sensitivity is described herein. The system includes a first probe having a first active surface, a second probe having a second active surface facing the first active surface, a memory in which data indicative of a conductivity curve and command instructions are stored, and a processor configured to execute the command instructions to associate a level of fluid in a reservoir with a first signal indicative of the electrical coupling between the first active surface and the second active surface with reference to the data indicative of a conductivity curve.