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. 01, 2008
Filed:
Sep. 02, 2004
Applicants:
Ammar Lecheheb, Cambridge, GB;
David Andrew Horsnell, Cambridge, GB;
Inventors:
Ammar Lecheheb, Cambridge, GB;
David Andrew Horsnell, Cambridge, GB;
Assignee:
Videojet Technologies Inc., Wood Dale, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/085 (2006.01); B41J 2/09 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of operating a continuous ink jet printer apparatus, the method comprising the steps of: applying a first voltage pulse to an electrode in order to modify the direction of an ink stream; applying a second voltage pulse to the electrode for a pre-determined period of time; measuring the charge carried on the ink stream; and modifying the operation of the printer in response to the charge measured.