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US 2009/0213419 A1Published application
Image forming device, image forming method and program
AssigneeCanon Kabushiki Kaisha
InventorsToshiaki Shirai, Hiroshi Ooya, Atsushi Ikeda
Life of this patent
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Abstract
The problem of the present invention is to be capable of executing color shift correction processing also in consideration of a mechanical inclination component in an image forming device. For solving the problem, the image forming device according to the present invention comprises information processing unit, first measurement requesting unit, holding unit of curve information, notifying unit of curve information, receiving unit of a measurement pattern image, measurement processing unit, determining unit of a result of the measurement processing, and second measurement requesting unit.
Claims12
An image forming device comprises:
- first measurement requesting unit for transmitting a measurement request for registration correction and digital correction to an information processing device;
- holding unit of curve information for holding the curve information obtained by the registration correction and the digital correction;
- notifying unit of curve information for notifying the information processing device of the curve information;
- receiving unit of a measurement pattern image for receiving the measurement pattern image used at the time of performing the registration correction and the digital correction from the information processing device;
- measurement processing unit for executing measurement processing of the registration correction and the digital correction based upon the measurement pattern image received by the receiving unit of the measurement pattern image;
- determining unit of a measurement processing result for determining the measurement result based upon the result of the measurement processing unit;
- and
- a second measurement requesting unit for updating the curve information to transmit a measurement request for once more performing the registration correction and the digital correction to the information processing device according to the measurement processing by the determining unit of the measurement processing result.
5 more elements
An image forming method comprises:
- a first measurement requesting step for transmitting a measurement request for registration correction and digital correction to an information processing device;
- a holding step of curve information for holding the curve information obtained by the registration correction and the digital correction;
- a notifying step of curve information for notifying the information processing device of the curve information;
- a receiving step of a measurement pattern image for receiving the measurement pattern image used at the time of performing the registration correction and the digital correction from the information processing device;
- a measurement processing step for executing measurement processing of the registration correction and the digital correction based upon the measurement pattern image received by the receiving step of the measurement pattern image;
- a determining step of a measurement processing result for determining the measurement result based upon the result of the measurement processing step;
- and
- a second measurement requesting step for updating the curve information to transmit a measurement request for once more performing the registration correction and the digital correction to the information processing step according to the measurement processing by the determining step of the measurement processing result.
5 more elements
A program for implementing an image forming method by a computer, the image forming method comprising:
- a first measurement requesting step for transmitting a measurement request for registration correction and digital correction to an information processing device;
- a holding step of curve information for holding the curve information obtained by the registration correction and the digital correction;
- a notifying step of curve information for notifying the information processing device of the curve information;
- a receiving step of a measurement pattern image for receiving the measurement pattern image used at the time of performing the registration correction and the digital correction from the information processing device;
- a measurement processing step for executing measurement processing of the registration correction and the digital correction based upon the measurement pattern image received by the receiving step of the measurement pattern image;
- a determining step of a measurement processing result for determining the measurement result based upon the result of the measurement processing step;
- and
- a second measurement requesting step for updating the curve information to transmit a measurement request for once more performing the registration correction and the digital correction to the information processing step according to the measurement processing by the determining step of the measurement processing result.
5 more elements
An image forming device comprises:
- first measurement requesting unit for transmitting a measurement request for registration correction to an information processing device;
- holding unit for holding curve information which includes fixed value and variable value according curve of image in image forming process of the image forming device;
- notifying unit for notifying the information processing device of the curve information;
- receiving unit of a measurement pattern image for receiving the measurement pattern image corrected according to the curve information from the information processing device;
- measurement processing unit for forming the measurement pattern image received by the receiving unit of the measurement pattern image and executing measurement processing of the formed measurement pattern;
- comparing unit for comparing a color shift for the registration correction and a threshold value according the result of the measurement processing unit;
- determining unit of a measurement processing result for determining the measurement result based upon the result of the measurement processing unit;
- and
- a second requesting unit for transmitting the measurement request for registration correction which uses the fixed value of the curve information to the information processing device according to the comparing result by the comparing unit.
6 more elements
Dependencies are inferred from the claim text.