Systems and methods for determining media size

Typewriting machines – Including control of format by programmed-control-system

Reexamination Certificate

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C400S582000, C400S578000

Reexamination Certificate

active

07654758

ABSTRACT:
In one embodiment, a system and method pertain to measuring the length of media using a first sensing system of the printing device to obtain a first length value, measuring the length of the media using a second sensing system of the printing device to obtain a second length value, and calculating a scale factor that can be applied to measurements made by the first sensing system to increase the accuracy of those measurements, wherein the scale factor is calculated relative to the first and second length values.

REFERENCES:
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patent: 5619240 (1997-04-01), Pong
patent: 6185402 (2001-02-01), Linssen
patent: 6614553 (2003-09-01), Nakami
patent: 6836627 (2004-12-01), Kretschmann et al.
patent: 2005/0219590 (2005-10-01), Andersen et al.
patent: 2007/0025788 (2007-02-01), deJong et al.
patent: 09204078 (1997-08-01), None
patent: 09222837 (1997-08-01), None
patent: 2004163545 (2004-06-01), None
International Search Report in co-pending PCT Application No. PCT/US2008/054842.

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