Incremental printing of symbolic information – Ink jet – Controller
Reexamination Certificate
2005-11-15
2005-11-15
Nguyen, Thinh (Department: 2853)
Incremental printing of symbolic information
Ink jet
Controller
Reexamination Certificate
active
06964465
ABSTRACT:
A printing apparatus of the invention has an ejection head for ejecting ink droplets to form dots on a printing medium. The printing apparatus is capable of printing a correction pattern on the printing medium with the ejection head, the correction pattern having a plurality of sub-patterns for correcting a misalignment between a position at which dots are formed during a forward pass through which the head is moved and a position at which dots are formed during a return pass through which the head is moved, and correcting the misalignment based on two or more sub-patterns that stand out in density among the plurality of sub-patterns.
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Huffman Julian D.
Nguyen Thinh
Seiko Epson Corporation
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