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US 2004/0165898 A1Published application
Image forming apparatus and density detection pattern forming method therein
AssigneeCanon Kabushiki Kaisha
InventorKazuhiro Funatani
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Abstract
In an image forming apparatus which forms an image on an image carrier, a predetermined density pattern is segmented into a plurality of blocks to generate the plurality of blocks. The density patterns of the plurality of generated blocks are controlled to be formed on the image carrier so as not to superpose the density patterns in two successive turns of the image carrier.
Claims8
An image forming apparatus for forming an image on an image carrier, comprising:
- density pattern generation means for segmenting a predetermined density pattern into a plurality of blocks and generating the plurality of blocks;
- and
- control means for controlling to form, on the image carrier, density patterns of the plurality of blocks generated by said density pattern generation means so as not to superpose the density patterns in two successive turns of the image carrier.
A density pattern forming method in an image forming apparatus which forms an image on an image carrier, comprising:
- a density pattern generation step of segmenting a predetermined density pattern into a plurality of blocks and generating the plurality of blocks;
- and
- a control step of controlling to form, on the image carrier, density patterns of the plurality of blocks generated in said pattern generation step so as not to superpose the density patterns in two successive turns of the image carrier.
Dependencies are inferred from the claim text.