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    • 2. 发明申请
    • Image Forming Device Capable of Detecting Abnormality in Temperature Sensing Member
    • 能够检测温度感知元件异常的图像形成装置
    • US20140212156A1
    • 2014-07-31
    • US14165929
    • 2014-01-28
    • Tatsuya KoyamaAtsushi Ozawa
    • Tatsuya KoyamaAtsushi Ozawa
    • G03G15/20
    • G03G15/55G03G15/2039
    • An image forming device including: an image forming unit; a heating body; a power supply unit; a temperature sensing member; and a controller. The image forming unit is configured to form an image on a recording sheet. The heating body is configured to heat the recording sheet on which the image is formed. The power supply unit is configured to supply power to the heating body. The temperature sensing member is configured to detect a temperature of the heating body. The controller is configured to: control the power supply unit based on the detected temperature; determine whether or not a high-power output state of the power supply unit has continued for a first duration under a print control process; and judge that the temperature sensing member is in an abnormal state when determination is made so that the high-power output state has continued for the first duration.
    • 一种图像形成装置,包括:图像形成单元; 加热体; 电源单元; 温度检测构件; 和控制器。 图像形成单元被配置为在记录纸上形成图像。 加热体被配置为加热其上形成有图像的记录片材。 电源单元被配置为向加热体供电。 温度检测部件构成为检测加热体的温度。 控制器配置为:根据检测到的温度控制电源单元; 确定在打印控制处理下电源单元的高功率​​输出状态是否持续第一持续时间; 并且当确定进行使得高功率输出状态持续第一持续时间时,判断温度检测构件处于异常状态。
    • 7. 发明授权
    • Sticking phenomenon correction method, self-luminous apparatus, sticking phenomenon correction apparatus and program
    • 粘贴现象校正方法,自发光装置,贴现现象校正装置和程序
    • US07839362B2
    • 2010-11-23
    • US11324513
    • 2006-01-04
    • Atsushi OzawaMitsuru Tada
    • Atsushi OzawaMitsuru Tada
    • G09G3/30
    • G09G3/22G09G2320/0285G09G2320/0295G09G2320/046G09G2360/16
    • A self-luminous apparatus is disclosed wherein a deterioration amount difference between different pixels can be eliminated accurately to correct a sticking phenomenon while the self-luminous apparatus is used. In the self-luminous apparatus, a deterioration amount difference appearing between a correction object pixel and a reference pixel within a first light emission period of time is calculated first using a deterioration ratio derived from gradation values of the pixels. Then, a deterioration ratio for correction for the correction object pixel necessary to eliminate the calculated deterioration amount difference within a second light emission period of time is derived using a deterioration ratio of the reference pixel. Thereafter, the derived deterioration ratio for correction is converted into a corresponding gradation value, and the correction object pixel is driven to emit light with the converted gradation value.
    • 公开了一种自发光装置,其中在使用自发光装置的同时,可以精确地消除不同像素之间的劣化量差异以校正粘着现象。 在自发光装置中,首先使用从像素的灰度值导出的劣化比率,计算在第一发光时间段内出现校正对象像素和参考像素之间的劣化量差。 然后,使用参考像素的劣化率导出用于消除在第二发光时间段内计算的劣化量差所必需的校正对象像素的校正的劣化率。 此后,将导出的校正劣化率转换成相应的灰度值,并且驱动校正对象像素以转换灰度值发光。