Patent · US Expired

Method for compensating a gear backlash and apparatus for carrying out said method

US7458568B2 · kind B2 · utility

0Cited by

9References

18Claims

0Family size

Assignee

Oce Printing Systems GmbH · DE

Inventors

Robert Pichlmeier · Tauberbischofsheim, DE
Otto Ferber · Germering, DE

Key dates

Filing date	Sep 26, 2002
Grant date	Dec 2, 2008
Priority date	—
Expiry date	Aug 4, 2024

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T74/19623
WIPO fieldOptics
WIPO sectorInstruments

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.