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:
May. 15, 2018
Filed:
Jul. 21, 2016
Applicant:
Heidelberger Drucksmaschinen Ag, Heidelberg, DE;
Inventors:
Oliver Gottschalt, Mannheim, DE;
Michael Kohlmann, Frankenthal, DE;
Assignee:
Heidelberger Druckmaschinen AG, Heidelberg, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 29/38 (2006.01); B41J 2/45 (2006.01); B41F 7/02 (2006.01); G01K 13/00 (2006.01); B41F 33/00 (2006.01); B41F 23/04 (2006.01);
U.S. Cl.
CPC ...
B41J 29/38 (2013.01); B41F 7/02 (2013.01); B41F 23/0453 (2013.01); B41F 33/00 (2013.01); G01K 13/00 (2013.01);
Abstract
A method and a device are provided for measuring the contamination of a transparent covering of a plate having LED emitters which are cooled individually or in groups by cooling units. The temperatures of the individual or grouped cooling units are measured and conclusions about contamination are drawn from a comparison of the temperatures with one another. An inkjet printing machine and an offset printing press having the device are also provided.