Back to results
US 7,627,277 B2Granted
Image forming apparatus and image forming method
AssigneeRicoh Company, Ltd.
InventorKatsuhiko Maeda
Life of this patent
Estimating the term…
Abstract
An image forming apparatus, including a compensation pattern forming device to form a predetermined compensation pattern to compensate image displacement in each key color, a plurality of detectors to detect two key colors in the predetermined compensation pattern, and a compensating device to compensate the image displacement of the two key colors detected by the detectors.
Claims19
An image forming apparatus, comprising:
- a compensation pattern forming device configured to form a predetermined compensation pattern to compensate image displacement in each of a plurality of key colors;
- a plurality of detectors including at least three detectors each configured to detect two of the key colors, including a reference key color and a different key color from the other detectors, in the predetermined compensation pattern;
- and
- a compensating device configured to compensate the image displacement of the two of the key colors detected by each of the detectors.
1 more element
A method for image forming, comprising:
- forming a predetermined compensation pattern to compensate image displacement in each of a plurality of key colors;
- detecting the key colors in the predetermined compensation pattern by at least three detectors, and each of the detectors is configured to detect two of the key colors including a reference key color and a different key color from the other detectors;
- and
- compensating the image displacement of the two of the key colors detected by each of the detectors.
1 more element
An image forming apparatus, comprising:
- means for forming a predetermined compensation pattern to compensate image displacement in each of a plurality of key colors;
- means for detecting the key colors including at least three detectors each configured to detect two of the key colors, including a reference key color and a different key color from the other detectors, in the predetermined compensation pattern;
- and
- means for compensating for the image displacement of the two of the key colors detected by each of the detectors.
1 more element
Dependencies are inferred from the claim text.