Recording medium conveyance amount measurement method and...

Details Recording medium conveyance amount measurement method and... Recording medium conveyance amount measurement method and...

2006-11-30

2009-06-16

Nguyen, Thinh H (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

C347S116000, C347S014000

Reexamination Certificate

active

07547086

ABSTRACT:
The recording medium conveyance amount measurement method includes the steps of: recording a first test pattern having two straight lines including at least one straight line which is not parallel with respect to a conveyance direction of a recording medium and a direction perpendicular to the conveyance direction, onto the recording medium; conveying the recording medium in the conveyance direction; recording a second test pattern having two straight lines including at least one straight line which is not parallel with respect to the conveyance direction of the recording medium and the direction perpendicular to the conveyance direction, onto the recording medium; and reading in the first and second test patterns and calculating a conveyance amount of the recording medium.

REFERENCES:
patent: 5287162 (1994-02-01), de Jong et al.
patent: 6082911 (2000-07-01), Murakami
patent: 6755499 (2004-06-01), Castano et al.
patent: 7083251 (2006-08-01), Kang et al.
patent: 7354129 (2008-04-01), Uchida
patent: 2004-17526 (2004-01-01), None

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