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    • 7. 发明申请
    • FIXING DEVICE AND IMAGE FORMING APPARATUS USING THE SAME
    • 固定装置和使用它的图像形成装置
    • US20130017003A1
    • 2013-01-17
    • US13479536
    • 2012-05-24
    • Takashi MUKAI
    • Takashi MUKAI
    • G03G15/20
    • G03G15/2053G03G15/2017G03G2215/2003G03G2215/2029G03G2215/2032
    • A fixing device includes: a fixing belt that heats a recording medium with a toner image transferred thereon to fix the toner image to the recording medium; a heater unit for heating the fixing belt; and a tension roller that suspends the fixing belt in a rotatable manner. This fixing device is constructed such that the heater unit is extended in the direction of the belt width that is perpendicular to the rotational direction of the fixing belt and includes a planar heat generator that generates heat by supplying electricity, a heat transfer member arranged in contact with both the planar heat generator and the fixing belt and a reinforcing member for fixing the heat transfer member while the heat transfer member is joined to the reinforcing member.
    • 一种定影装置包括:定影带,其利用转印在其上的调色剂图像来加热记录介质以将调色剂图像定影到记录介质; 用于加热定影带的加热器单元; 以及以可旋转的方式悬挂定影带的张紧辊。 该固定装置构造成使得加热器单元沿垂直于定影带的旋转方向的带宽度的方向延伸,并且包括通过供电而产生热量的平面热发生器,布置成接触的传热构件 同时具有平面热发生器和定影带以及用于在传热构件接合到加强构件的同时固定传热构件的加强构件。
    • 10. 发明申请
    • IMAGE FORMING APPARATUS
    • 图像形成装置
    • US20120195611A1
    • 2012-08-02
    • US13395845
    • 2010-10-18
    • Motoki AdachiMasanori TanakaHideo KiharaTakashi MukaiShinichi AgataShuhei KawasakiYuji Kawaguchi
    • Motoki AdachiMasanori TanakaHideo KiharaTakashi MukaiShinichi AgataShuhei KawasakiYuji Kawaguchi
    • G03G15/08
    • G03G15/086G03G15/0856G03G2215/0888
    • An image forming apparatus includes a developing device, a detection mode execution unit, and a notice signal generating unit. The developing device supplies a toner bearing member with toner in a container by rotating a toner supply member in a contact manner with the toner bearing member. The detection mode execution unit executes a detection mode in which a predetermined period for changing a toner amount in the foam layer by rotating the toner supply member is provided, a capacitance C1 between the first and second electrode members is detected before the predetermined period, and a capacitance C2 between the first and second electrode members is detected after the predetermined period. The notice signal generating unit generates a low toner amount notice signal in response to an absolute value |C1−C2| of a difference between the capacitances C1 and C2 being smaller than a predetermined threshold.
    • 图像形成装置包括显影装置,检测模式执行单元和通知信号生成单元。 显影装置通过使调色剂供给构件以与调色剂承载构件接触的方式旋转而向容器中的调色剂承载构件提供调色剂。 检测模式执行单元执行检测模式,其中提供用于通过旋转调色剂供应构件来改变泡沫层中的调色剂量的预定周期,在预定时段之前检测第一和第二电极构件之间的电容C1, 在预定时间段之后检测第一和第二电极部件之间的电容C2。 通知信号发生单元响应于绝对值| C1-C2 |产生低调色剂量通知信号 电容C1和C2之间的差小于预定阈值。