Incremental printing of symbolic information – Ink jet – Controller
Reexamination Certificate
2011-06-21
2011-06-21
Huffman, Julian D (Department: 2853)
Incremental printing of symbolic information
Ink jet
Controller
C347S019000
Reexamination Certificate
active
07963624
ABSTRACT:
Performed is conveying-error correction in accordance with the kind and the number of rollers that are actually involved in the conveying of a printing medium. Each of the rollers that are potentially involved in the conveying of the printing medium has a unique amount of eccentricity, and may affect the quality of image to be printed in a peculiar manner. To address this problem, a surface of the printing medium is divided into areas according to the number and the combination of the rollers that are actually involved in the conveying. A pattern each is printed for each of the areas thus formed while the pattern enables the detection of the conveying error. A correction value to correct the conveying error is calculated using each of the patterns. The correction values thus obtained are reflected in the conveying of the printing medium.
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Nishikori Hitoshi
Seki Satoshi
Tajika Hiroshi
Takahashi Atsushi
Yano Fumiko
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Huffman Julian D
Uhlenhake Jason S
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