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. 07, 2002
Filed:
May. 07, 1999
Applicant:
Inventors:
John J. Ibs, Minneapolis, MN (US);
Robert E. Francis, Richfield, MN (US);
Gary M. Klinefelter, Eden Prairie, MN (US);
Matthew K. Dunham, Eagan, MN (US);
Assignee:
Fargo Electronics, Inc., Eden Prairie, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/36 ;
U.S. Cl.
CPC ...
B41J 2/36 ;
Abstract
A printer for printing an image onto a substrate includes a thermal print head having a plurality of electrical resistors, a supply of coloring material adjacent the print head for deposition on the substrate and a print head controller. The print head controller provides a pulse train output to at least one of the electrical resistors. The pulse train includes a plurality of pulses and at least one pulse has a variable width related to a binary value at least another pulse has fixed width.