Media-position media sensor

Details Media-position media sensor Media-position media sensor

2006-04-11

2006-04-11

Feggins, K. (Department: 2861)

Incremental printing of symbolic information

Thermal marking apparatus or processes

Density control

Reexamination Certificate

active

07027076

ABSTRACT:
A sensor system for detecting skew in print media along the feed path of a hardcopy device is disclosed. In one embodiment of the invention the system is arranged to generate a first image of a portion of print media at a first position along the feed path and to generate a second image of the portion of print media at a second position along the feed path, the system is arranged to compare the first and second images and thereby detect a change in the angle of skew of the media between the first and second positions.

REFERENCES:
patent: 6189991 (2001-02-01), Wen et al.
patent: 6218660 (2001-04-01), Hada
patent: 6271869 (2001-08-01), Tada et al.
patent: 6340984 (2002-01-01), Ui et al.
patent: 6456310 (2002-09-01), Wallace et al.
patent: 6788322 (2004-09-01), Morita
patent: 2003/0108372 (2003-06-01), Takeda

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