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.

Date of Patent:
Dec. 02, 2008

Filed:

Sep. 26, 2002
Applicants:

Robert Pichlmeier, Kirchheim, DE;

Otto Ferber, Germering, DE;

Inventors:

Robert Pichlmeier, Kirchheim, DE;

Otto Ferber, Germering, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65H 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An electrographic printer using a print web medium is provided with a web adjusting apparatus having a geared motor for adjusting the web position. A method and apparatus to compensate for backlash in the geared motor includes a sensor to detect an end position of rotation of the geared motor. A time being determined from a point of reversal of the geared motor to a decay in the sensor output indicating a gear backlash, and the time being added to the drive of the geared motor when reversing directions to adjust the web position.


Find Patent Forward Citations

Loading…