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:
Nov. 13, 2012
Filed:
Oct. 08, 2010
Toshihiro Bansyo, Ibaraki-ken, JP;
Toshihiro Bansyo, Ibaraki-ken, JP;
Riso Kagaku Corporation, Tokyo, JP;
Abstract
An inkjet printing apparatus includes: an array of inkjet heads; a set of heating elements each in a corresponding one of the inkjet heads and each configured to heat ink; an ink circulation route configured to circulate ink through the inkjet heads; an inlet thermometer configured to measure, as first temperatures, ink temperatures of ink each flowing into a corresponding one of the inkjet heads; an outlet thermometer configured to measure, as second temperatures, ink temperatures of ink each flowing out of a corresponding one of the inkjet heads; a heating unit configured to heat ink being circulated; and a controller configured to work with a temperature difference between a first temperature and a second temperature for each same inkjet head to determine allocation of an available power for heating ink to the heating elements and the heating unit.