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:
Oct. 25, 2016
Filed:
Jun. 04, 2014
Applicant:
Tonejet Limited, Royston, Hertfordshire, GB;
Inventors:
Andrew John Clippingdale, Jr., Royston, GB;
Ammar Lecheheb, Royston, GB;
John Lawton Sharp, Royston, GB;
Assignee:
Tonejet Limited, Royston, Hertfordshire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/045 (2006.01); B41J 2/06 (2006.01);
U.S. Cl.
CPC ...
B41J 2/04511 (2013.01); B41J 2/04586 (2013.01); B41J 2/06 (2013.01); B41J 2002/062 (2013.01);
Abstract
A method of reducing and/or preventing the accumulation of concentrated ink at an ejection point of a printhead of an electrostatic inkjet printer when ink is not being ejected at the ejection point, the method comprising reversing the electric field at the ejection point of the printhead during a non-printing phase of operation to reduce the concentration of ink at the ejection point.