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    • 15. 发明授权
    • Density detection apparatus and method and image forming apparatus
    • 密度检测装置及方法及图像形成装置
    • US08705073B2
    • 2014-04-22
    • US13555893
    • 2012-07-23
    • Tomohisa SuzukiToru IwanamiMakoto HamatsuWenxiang GeKenjo NagataHidefumi Tanaka
    • Tomohisa SuzukiToru IwanamiMakoto HamatsuWenxiang GeKenjo NagataHidefumi Tanaka
    • G06K15/00
    • G03G15/0189G03G15/5054
    • A density detection apparatus includes the following elements. A storage unit stores therein image information. A measuring unit measures amounts of light components reflected by an image carrier or density detection images represented by the image information. A light amount obtaining unit obtains a variation in amounts of light components reflected by each region in which the associated density detection image is formed, and obtains, as a reference value, a representative value of the amounts of light components. An image correcting unit corrects the image information by changing an arrangement order of the density detection images. An image forming unit forms the density detection images on the image carrier on the basis of the corrected image information. A density obtaining unit obtains density levels of density detection images corresponding to their area ratios by using the amounts of light components reflected by the density detection images and the reference values.
    • 密度检测装置包括以下元件。 存储单元存储图像信息。 测量单元测量由图像载体反射的光分量或由图像信息表示的浓度检测图像的量。 光量获取单元获得由其中形成相关浓度检测图像的每个区域反射的光分量的变化,并且获得光分量量的代表值作为参考值。 图像校正单元通过改变浓度检测图像的排列顺序来校正图像信息。 图像形成单元基于校正图像信息在图像载体上形成浓度检测图像。 浓度获取单元通过使用由浓度检测图像和参考值反射的光分量的量来获得与其面积比对应的浓度检测图像的浓度水平。