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    DEVELOPING APPARATUS AND IMAGE FORMING APPARATUS
    1.
    发明申请
    DEVELOPING APPARATUS AND IMAGE FORMING APPARATUS 有权
    开发设备和图像形成设备

    公开(公告)号：US20150323886A1

    公开(公告)日：2015-11-12

    申请号：US14694444

    申请日：2015-04-23

    Applicant: KONICA MINOLTA, INC.

    Inventor： Yuusuke MANDAI ,  Yasuyuki INADA ,  Shinji OGAWA ,  Masato KIMURA ,  Yu MUKOBAYASHI

    IPC: G03G15/08

    CPC classification number: G03G15/0893 ,  G03G15/0891 ,  G03G21/10 ,  G03G2215/0607 ,  G03G2215/0819

    Abstract: A developing apparatus that develops an electrostatic latent image on an image supporting body, using developer including toner and carrier, includes: a circulation path where the developer circulates; a discharge path which is connected to the circulation path and through which some of the developer passes; and a first recycle path connected to the discharge path and allowing some of the developer flowing into the discharge path to return to the circulation path, wherein the discharge path is provided with: a discharge opening for discharging the developer flowing into the discharge path; and a first return opening for connecting to the first recycle path, and the first return opening is located on an upper side in a vertical direction with respect to the discharge opening and located on an upstream side in a pass-through direction of the developer flowing into the discharge path.

    Abstract translation: 一种显影装置，其使用包括调色剂和载体的显影剂在图像支持体上显影静电潜像，包括：显影剂循环的循环路径; 排出路径，其连接到循环路径并且一些显影剂通过该排出路径; 以及连接到排出路径并允许流入排放路径的一些显影剂返回到循环路径的第一再循环路径，其中排出路径设置有：用于排出流入排出路径的显影剂的排出口; 以及第一返回开口，用于连接到第一再循环路径，并且第一返回开口位于相对于排出口的垂直方向的上侧，并且位于显影剂流动的通过方向上的上游侧 进入排放路径。

    DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
    3.
    发明申请
    DEVELOPING DEVICE AND IMAGE FORMING APPARATUS 有权
    开发设备和图像形成装置

    公开(公告)号：US20160139541A1

    公开(公告)日：2016-05-19

    申请号：US14931705

    申请日：2015-11-03

    Applicant: Konica Minolta, Inc.

    Inventor： Yasuyuki INADA ,  Yu MUKOBAYASHI ,  Yuusuke MANDAI ,  Kanji NAKAYAMA ,  Shinichi YOSHIMOTO ,  Junji KANDA

    IPC: G03G15/08

    CPC classification number: G03G15/0891 ,  G03G15/0893

    Abstract: A developing device includes a developer carrying member and first and second conveyance members. The first conveyance member conveys a developer in a first direction through a first conveyance path to the developer carrying member. The second conveyance member conveys the developer in a second direction through a second conveyance path included in a circulation path along with the first conveyance path. The second conveyance member has a helical second screw around a second shaft. The second conveyance path includes a developer replenishing port and a developer discharge port. The second screw is approximately constant in diameter in a second section being a portion extending a predetermined distance from an end of the discharge port in the second direction when viewed in a top view. The second screw conveys the developer at a lower speed in the second section than on an upstream side with respect to the second section.

    Abstract translation: 显影装置包括显影剂承载构件和第一和第二输送构件。 第一输送构件通过第一输送路径将显影剂沿第一方向输送到显影剂承载构件。 第二输送构件沿着第二方向通过包括在循环路径中的第二输送路径与第一输送路径一起输送显影剂。 第二传送构件具有围绕第二轴的螺旋形第二螺钉。 第二输送路径包括显影剂补充口和显影剂排出口。 第二螺杆在第二部分中的直径近似恒定，这是从俯视图看时沿第二方向从排出口的端部延伸预定距离的部分。 第二螺杆在第二部分中以比在第二部分的上游侧更低的速度传送显影剂。

    IMAGE FORMING APPARATUS, METHOD OF CONTROLLING IMAGE FORMING APPARATUS, AND CONTROL PROGRAM OF IMAGE FORMING APPARATUS
    4.
    发明申请
    IMAGE FORMING APPARATUS, METHOD OF CONTROLLING IMAGE FORMING APPARATUS, AND CONTROL PROGRAM OF IMAGE FORMING APPARATUS 审中-公开

    公开(公告)号：US20180267424A1

    公开(公告)日：2018-09-20

    申请号：US15909255

    申请日：2018-03-01

    Applicant: Konica Minolta, Inc.

    Inventor： Yuusuke MANDAI

    IPC: G03G15/02

    CPC classification number: G03G15/0266 ,  G03G15/0216 ,  G03G15/04018 ,  G03G21/20 ,  G03G2215/021

    Abstract: An image forming apparatus includes: a photosensitive member; a power supply that applies a bias voltage to the photosensitive member to charge a surface of the photosensitive member; a developer that develops an electrostatic latent image on the photosensitive member; an exposing device that forms the electrostatic latent image on the photosensitive member; a hardware processor; and a memory, wherein the memory stores, in advance, a relationship between a suitable AC voltage at which a discharge amount of AC electric discharge is balanced between positive and negative sides and a current value of a specific AC voltage, and the hardware processor controls the bias voltage in an AC charging type, detects the current value at the specific AC voltage, and determines a setting AC voltage on the basis of the relationship.

    IMAGE FORMING DEVICE, CONTROL METHOD FOR IMAGE FORMING DEVICE, AND CONTROL PROGRAM FOR IMAGE FORMING DEVICE
    5.
    发明申请
    IMAGE FORMING DEVICE, CONTROL METHOD FOR IMAGE FORMING DEVICE, AND CONTROL PROGRAM FOR IMAGE FORMING DEVICE 有权
    图像形成装置，用于图像形成装置的控制方法和用于图像形成装置的控制程序

    公开(公告)号：US20160363882A1

    公开(公告)日：2016-12-15

    申请号：US15159195

    申请日：2016-05-19

    Applicant: Konica Minolta, Inc.

    Inventor： Kanji NAKAYAMA ,  Shinichi YOSHIMOTO ,  Junji KANDA ,  Yasuyuki INADA ,  Yuusuke MANDAI ,  Yu MUKOBAYASHI

    IPC: G03G15/02 ,  G03G15/06

    CPC classification number: G03G15/0266 ,  G03G15/065 ,  G03G21/14

    Abstract: An image forming device includes: a charging unit configured to apply charging bias voltage to a charging member and charge a surface of an image carrying body; an exposure unit configured to expose the surface of the image carrying body, and form an electrostatic latent image; a developing unit configured to apply developing bias voltage to a developer carrying body, and develop the electrostatic latent image; and a control unit configured to control timing to start applying the developing bias voltage relative to timing to start applying the charging bias voltage, wherein the control unit performs control such that the larger an absolute value of the charging bias voltage is, the shorter an interval from timing to start applying the charging bias voltage to timing to start applying the developing bias voltage becomes, and such that the smaller the absolute value is, the longer the interval becomes.

    Abstract translation: 图像形成装置包括：充电单元，被配置为向充电构件施加充电偏压并对图像承载体的表面充电; 曝光单元，被配置为暴露所述图像承载体的表面，并形成静电潜像; 显影单元，被配置为向显影剂承载体施加显影偏压，并显影静电潜像; 以及控制单元，被配置为控制相对于开始施加所述充电偏压的定时开始施加所述显影偏压的定时，其中所述控制单元进行控制，使得所述充电偏压的绝对值越大，间隔越短 从开始施加充电偏置电压到开始施加显影偏压的定时的定时开始，并且使得绝对值越小，间隔变得越长。

    Image Formation Apparatus
    7.
    发明申请
    Image Formation Apparatus 审中-公开

    公开(公告)号：US20180373182A1

    公开(公告)日：2018-12-27

    申请号：US16012505

    申请日：2018-06-19

    Applicant: Konica Minolta, Inc.

    Inventor： Yuusuke MANDAI ,  Kanji NAKAYAMA

    IPC: G03G15/16 ,  G03G21/14 ,  G03G15/06 ,  G03G15/00

    CPC classification number: G03G15/1675 ,  G03G15/065 ,  G03G15/5037 ,  G03G21/14

    Abstract: An image formation apparatus includes a first electrode portion including a contact electrode and a counter electrode, a second electrode portion arranged as not being in contact with a recording medium, a first sensing unit configured to sense a first current which flows to the first electrode portion as a result of application of a voltage across the contact electrode and the counter electrode while the recording medium lies between the contact electrode and the counter electrode, a second sensing unit configured to sense a second current which flows from the charged recording medium to the second electrode portion, and a control unit. The control unit sets a transfer condition for transferring a toner image to the recording medium based on the first current sensed by the first sensing unit and the second current sensed by the second sensing unit.

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