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. 17, 1998
Filed:
Mar. 04, 1996
Applicant:
Inventors:
Stephan Gunther, Berlin, DE;
Dieter Wolm, Gross Schulzendorf, DE;
Assignee:
Francotyp-Postalia AG & Co., Birkenwerder, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J / ; B41J / ; B41J / ;
U.S. Cl.
CPC ...
347194 ;
Abstract
A print head thermocontrol includes a combination of power electronics that can be preset with a software potentiometer and that regulates the amplitude of the print head voltage according to the ambient temperature, a control unit operating according to a predictive control method for supplying individual print elements with print pulses and preheating pulses of variable pulse duration and an allocated print control unit for producing a digital imprint.