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    • 2. 发明授权
    • Image forming apparatus
    • 图像形成装置
    • US09025994B2
    • 2015-05-05
    • US14086483
    • 2013-11-21
    • Takeshi YamashitaYoshie IwakuraYasuhiro Fujiwara
    • Takeshi YamashitaYoshie IwakuraYasuhiro Fujiwara
    • G03G15/16G03G15/01
    • G03G15/0189G03G15/1605G03G15/168
    • An image forming apparatus includes an image bearing member to bear a latent image on a surface thereof, a developing device to develop the latent image with toner, an intermediate transfer member, a secondary transfer member, a cleaning device, and a main body. The cleaning device cleans the secondary transfer member for a predetermined time period T1 during a startup operation after printing is completed normally before subsequent printing. The main body houses the image bearing member, the developing device, the intermediate transfer member, the secondary transfer member, and the cleaning device. At least one of the image bearing member and the developing device constitutes a process cartridge detachably attachable relative to the main body, and in a case in which the process cartridge is installed in the main body, the cleaning device cleans the secondary transfer member for a time period T2 extended from the predetermined time period T1.
    • 图像形成装置包括在其表面上承载潜像的图像承载部件,用调色剂显影潜像的显影装置,中间转印部件,二次转印部件,清洁装置和主体。 清洁装置在打印完成后的正常时间期间的启动操作期间清洁二次转印部件一段预定的时间段T1。 主体容纳图像承载部件,显影装置,中间转印部件,二次转印部件和清洁装置。 图像承载部件和显影装置中的至少一个构成相对于主体可拆卸地安装的处理盒,并且在处理盒安装在主体中的情况下,清洁装置清洁二次转印部件 时间段T2从预定时间段T1延伸。
    • 3. 发明申请
    • IMAGE FORMING APPARATUS
    • 图像形成装置
    • US20150003852A1
    • 2015-01-01
    • US14317757
    • 2014-06-27
    • Takeshi YAMASHITAYasuhiro FUJIWARA
    • Takeshi YAMASHITAYasuhiro FUJIWARA
    • G03G15/00
    • G03G15/1605G03G15/757G03G21/06G03G21/08
    • An image forming apparatus includes a photosensitive member, a charging device, an exposure device, a development device, a transfer device, a first driving device, a voltage application device, and a controller. The first driving device rotatably drives one of the photosensitive member and a combination of the photosensitive member and an intermediate transfer member. The voltage application device supplies a respective predetermined voltage to the charging device, the development device, and the transfer device. The controller controls the first driving device and the voltage application device. When the photosensitive member is stopped, both illumination from the exposure device and the transfer electrical field electrically discharge the surface of the photosensitive member.
    • 图像形成装置包括感光构件,充电装置,曝光装置,显影装置,转印装置,第一驱动装置,电压施加装置和控制器。 第一驱动装置可旋转地驱动感光构件之一和感光构件与中间转印构件的组合。 电压施加装置向充电装置,显影装置和转印装置供给相应的预定电压。 控制器控制第一驱动装置和电压施加装置。 当感光构件停止时,来自曝光装置的照明和转印电场使感光构件的表面电放电。
    • 5. 发明授权
    • Optical glass, preform for precision press molding, optical element and method of manufacturing thereof
    • 光学玻璃,精密加压成型用预成型体,光学元件及其制造方法
    • US08748328B2
    • 2014-06-10
    • US13652693
    • 2012-10-16
    • Yasuhiro Fujiwara
    • Yasuhiro Fujiwara
    • C03C3/15C03C3/155C03C3/068C03C3/066
    • C03C3/068C03B2215/50
    • An optical glass having a refractive index nd of 1.70 or greater and an Abbé number of 50 or greater. Given as mole percentages, it comprises: B2O3 (20 to 80 percent), SiO2 (0 to 30 percent), Li2O (1 to 25 percent), ZnO (0 to 20 percent), La2O3 (4 to 30 percent), Gd2O3 (1 to 25 percent), Y2O3 (0 to 20 percent), ZrO2 (0 to 5 percent), MgO (0 to 25 percent), CaO (0 to 15 percent), and SrO (0 to 10 percent), with the combined quantity of the above components being 97 percent or greater. The molar ratio of {ZnO/(La2O3+Gd2O3+Y2O3)} is 0.8 or less and the molar ratio of {(CaO+SrO+BaO)/(La2O3+Gd2O3+Y2O3)} is 0.8 or less. Ta2O5 may be incorporated as an optional component, with the molar ratio {(ZrO2+Ta2O5)/(La2O3+Gd2O3+Y2O3)} being 0.4 or less.
    • 折射率nd为1.70以上,Abbé数为50以上的光学玻璃。 以百分比计,B2O3(20-80%),SiO2(0-30%),Li2O(1%至25%),ZnO(0-20%),La2O3(4-30%),Gd2O3 1〜25%),Y2O3(0〜20%),ZrO2(0〜5%),MgO(0〜25%),CaO(0〜15%)和SrO(0〜10% 上述成分的量为97%以上。 {ZnO /(La 2 O 3 + Gd 2 O 3 + Y 2 O 3)}的摩尔比为0.8以下,{(CaO + SrO + BaO)/(La2O3 + Gd2O3 + Y2O3)}的摩尔比为0.8以下。 Ta2O5可以以((ZrO 2 + Ta 2 O 5)/(La 2 O 3 + Gd 2 O 3 + Y 2 O 3)}的摩尔比为0.4以下的任意成分结合。
    • 6. 发明授权
    • Optical glass, glass material for press molding, and optical element
    • 光学玻璃,用于压制成型的玻璃材料和光学元件
    • US08716157B2
    • 2014-05-06
    • US13403696
    • 2012-02-23
    • Yasuhiro FujiwaraYoshio Nojima
    • Yasuhiro FujiwaraYoshio Nojima
    • C03C3/21C03C3/16C03C3/19C03B5/027
    • C03C3/064C03C3/21
    • An optical glass in the form of an oxide glass, characterized by comprising, denoted as cation percentages: P5+ 14 to 36%; Bi3+ 12 to 34%; Nb5+ 12 to 34%; Ti4+ 5 to 20%; and W6+ 0 to 22%; wherein the total content of Bi3+, Nb5+, Ti4+, and W6+ is equal to or greater than 50%; and in that the Knoop hardness is equal to or higher than 370, the refractive index nd is equal to or higher than 2.02, and the Abbé number vd is equal to or lower than 19.0. A glass material for press molding and an optical element comprised of this optical glass. A method for manufacturing a glass material for press molding comprising the step of mechanically processing this optical glass.
    • 一种氧化物玻璃形式的光学玻璃,其特征在于包括:阳离子百分比:P5 + 14-36%; Bi3 + 12〜34%; Nb5 + 12〜34%; Ti4 + 5〜20%; W6 + 0〜22%; 其中Bi 3+,Nb 5+,Ti 4+和W 6+的总含量等于或大于50%; 并且由于Knoop硬度等于或高于370,折射率nd等于或高于2.02,并且Abbé数vd等于或低于19.0。 用于压制成型的玻璃材料和由该光学玻璃构成的光学元件。 一种制造用于压制成型的玻璃材料的方法,包括机械处理该光学玻璃的步骤。