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    Charging device, process cartridge, and image forming apparatus
    4.
    发明授权
    Charging device, process cartridge, and image forming apparatus 有权
    充电装置，处理盒和成像装置

    公开(公告)号：US07289746B2

    公开(公告)日：2007-10-30

    申请号：US11006735

    申请日：2004-12-08

    申请人： Masaaki Yamada ,  Tomoko Takahashi ,  Shuji Hirai ,  Yoshinori Nakagawa ,  Yasushi Nakazato

    发明人： Masaaki Yamada ,  Tomoko Takahashi ,  Shuji Hirai ,  Yoshinori Nakagawa ,  Yasushi Nakazato

    IPC分类号： G03G21/20

    CPC分类号： G03G15/0258 ,  G03G21/206 ,  G03G2215/021 ,  G03G2215/027 ,  G03G2221/1645 ,  G03G2221/1693

    摘要： A charging device includes a case that surrounds a charging unit and has plural ventilating sections, a gas separating unit that varies a component ratio of the air near an opposed portion of a photosensitive member and the charging unit, and a gas electrolyzing unit that electrolyzes moisture of the area near the opposed portion. The gas separating unit has a nitrogen enriching unit that includes a nitrogen enriching film set in a ventilating section and a pressurizing chamber for forming a pressure difference between the inside and the outside of the case and supplies a nitrogen enriched air to the inside of the case or an oxygen enriching unit that includes an oxygen enriching film set in another ventilating section and a depressurizing chamber for forming a pressure difference between the inside and the outside of the case and exhausts an oxygen enriched air to the outside of the case.

    摘要翻译： 充电装置包括：包围充电单元并具有多个通风部的壳体，改变感光构件的相对部分附近的空气的分量比和充电单​​元的气体分离单元;以及电解水分的气体电解单元 的相对部分附近的区域。 气体分离单元具有氮浓缩单元，其包括设置在通气部中的氮富集膜和用于在壳体的内部和外部形成压力差的加压室，并且向壳体的内部供给富氮空气 或包含在另一通风部中设置的富氧膜的氧浓缩装置，以及用于形成壳体内外的压力差的减压室，并将富氧空气排出到壳体的外部。

    Charging device, process cartridge, and image forming apparatus
    7.
    发明申请
    Charging device, process cartridge, and image forming apparatus 有权
    充电装置，处理盒和成像装置

    公开(公告)号：US20050169660A1

    公开(公告)日：2005-08-04

    申请号：US11006735

    申请日：2004-12-08

    申请人： Masaaki Yamada ,  Tomoko Takahashi ,  Shuji Hirai ,  Yoshinori Nakagawa ,  Yasushi Nakazato

    发明人： Masaaki Yamada ,  Tomoko Takahashi ,  Shuji Hirai ,  Yoshinori Nakagawa ,  Yasushi Nakazato

    IPC分类号： G03G15/02 ,  G03G21/20

    CPC分类号： G03G15/0258 ,  G03G21/206 ,  G03G2215/021 ,  G03G2215/027 ,  G03G2221/1645 ,  G03G2221/1693

    摘要： A charging device includes a case that surrounds a charging unit and has plural ventilating sections, a gas separating unit that varies a component ratio of the air near an opposed portion of a photosensitive member and the charging unit, and a gas electrolyzing unit that electrolyzes moisture of the area near the opposed portion. The gas separating unit has a nitrogen enriching unit that includes a nitrogen enriching film set in a ventilating section and a pressurizing chamber for forming a pressure difference between the inside and the outside of the case and supplies a nitrogen enriched air to the inside of the case or an oxygen enriching unit that includes an oxygen enriching film set in another ventilating section and a depressurizing chamber for forming a pressure difference between the inside and the outside of the case and exhausts an oxygen enriched air to the outside of the case.

    摘要翻译： 充电装置包括：包围充电单元并具有多个通风部的壳体，改变感光构件的相对部分附近的空气的分量比和充电单​​元的气体分离单元，以及电解水分的气体电解单元 的相对部分附近的区域。 气体分离单元具有氮浓缩单元，其包括设置在通气部中的氮富集膜和用于在壳体的内部和外部形成压力差的加压室，并且向壳体的内部供给富氮空气 或包含在另一通风部中设置的富氧膜的氧浓缩装置，以及用于形成壳体内外的压力差的减压室，并将富氧空气排出到壳体的外部。

    Abnormality determining method, and abnormality determining apparatus and image forming apparatus using same
    9.
    发明申请
    Abnormality determining method, and abnormality determining apparatus and image forming apparatus using same 有权
    异常判定方法，异常判定装置和使用该异常判定装置的图像形成装置

    公开(公告)号：US20050154562A1

    公开(公告)日：2005-07-14

    申请号：US10986781

    申请日：2004-11-15

    申请人： Nekka Matsuura ,  Hisashi Shoji ,  Satoshi Ouchi ,  Katsuaki Miyawaki ,  Osamu Satoh ,  Masaaki Yamada ,  Shuji Hirai ,  Yoshinori Nakagawa ,  Yasushi Nakazato ,  Tomoko Takahashi ,  Takashi Seto ,  Seiji Hoshino

    发明人： Nekka Matsuura ,  Hisashi Shoji ,  Satoshi Ouchi ,  Katsuaki Miyawaki ,  Osamu Satoh ,  Masaaki Yamada ,  Shuji Hirai ,  Yoshinori Nakagawa ,  Yasushi Nakazato ,  Tomoko Takahashi ,  Takashi Seto ,  Seiji Hoshino

    IPC分类号： G06F11/30

    CPC分类号： G06F11/008

    摘要： An abnormality determining apparatus is capable of avoiding mistaken determinations due to the normal value of information obtained by an information obtaining unit differing according to the content of specific information such as the operating mode setting, and deterioration of the determination precision due to a change in the user of a detection subject. The abnormality determining apparatus comprises an information storage unit for storing normal index information serving as an index of a normal state of the detection subject, an information obtaining unit for obtaining a plurality of types of information, and an abnormality determining unit for determining the presence of an abnormality in the detection subject on the basis of the normal index information stored in the information storage unit, and the information obtained by the information obtaining unit. The information storage unit stores a plurality of normal index information having different values. The abnormality determining unit selects, at a predetermined timing, normal index information to be used to determine the presence of an abnormality in the detection subject from the plurality of normal index information.

    摘要翻译： 异常判定装置能够避免由于信息获取单元根据诸如操作模式设置的特定信息的内容而不同的信息的正常值导致的错误确定，以及由于改变了的确定精度的劣化 检测对象的用户。 异常判定装置包括：信息存储单元，用于存储用作检测对象的正常状态的索引的正常索引信息;获取多种信息的信息获取单元;以及用于确定检测对象的存在的异常确定单元 根据存储在信息存储单元中的正常索引信息，检测对象的异常以及由信息获取单元获得的信息。 信息存储单元存储具有不同值的多个正常索引信息。 所述异常判定部在预定的定时中，从所述多个所述正常索引信息中选择要用于确定所述检测对象中的异常的正常索引信息。

    Abnormality determining method, abnormality determining apparatus, and image forming apparatus
    10.
    发明申请
    Abnormality determining method, abnormality determining apparatus, and image forming apparatus 有权
    异常判定方法，异常判定装置和图像形成装置

    公开(公告)号：US20050157327A1

    公开(公告)日：2005-07-21

    申请号：US11020729

    申请日：2004-12-27

    申请人： Hisashi Shoji ,  Osamu Satoh ,  Masaaki Yamada ,  Shuji Hirai ,  Yoshinori Nakagawa ,  Tomoko Takahashi ,  Katsuaki Miyawaki ,  Takashi Seto ,  Nekka Matsuura ,  Satoshi Ouchi ,  Yasushi Nakazato

    发明人： Hisashi Shoji ,  Osamu Satoh ,  Masaaki Yamada ,  Shuji Hirai ,  Yoshinori Nakagawa ,  Tomoko Takahashi ,  Katsuaki Miyawaki ,  Takashi Seto ,  Nekka Matsuura ,  Satoshi Ouchi ,  Yasushi Nakazato

    IPC分类号： G06F3/12 ,  G06F11/30

    CPC分类号： G06F11/0751 ,  G06F3/121 ,  G06F3/1229 ,  G06F11/0754 ,  G06K15/408

    摘要： An image forming apparatus is capable of specifying the type of an occurring abnormality to a certain extent while avoiding the increasingly complicated control that is caused when a plurality of abnormalities is detected individually according to the presence of their respective causes. A normal group data set, which is a collection of normal value combinations relating to grouped information constituted by a plurality of information of differing types, is stored in RAM or ROM serving as information storage means of a control unit. At least two or more sets of grouped information, comprising first grouped information constituted by a plurality of different types of information, and second grouped information constituted by a plurality of information in a different combination to that of the first grouped information, are obtained from the RAM, the ROM, various sensors, and an operation display unit. A CPU serving as determining means determines a Mahalanobis distance for each set of grouped information on the basis of the normal group data set and the obtained results of each set of grouped information, and uses this Mahalanobis distance to determine the presence of an abnormality according to categories.

    摘要翻译： 图像形成装置能够在一定程度上指定出现的异常的类型，同时避免根据各自原因的存在单独检测到多个异常时引起的越来越复杂的控制。 作为与由多个不同类型的信息构成的分组信息相关的正常值组合的正常组数据集存储在用作控制单元的信息存储装置的RAM或ROM中。 包括由多个不同类型的信息构成的第一分组信息和由与第一分组信息的组合不同的多个信息构成的第二分组信息的至少两组或更多组分组信息从 RAM，ROM，各种传感器以及操作显示单元。 用作确定装置的CPU基于正常组数据集合和每组分组信息的获得结果确定每组分组信息的马氏距离，并且使用该马氏距离来确定根据 类别。