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    IMAGE FORMING APPARATUS
    1.
    发明申请
    IMAGE FORMING APPARATUS 审中-公开

    公开(公告)号：US20190041770A1

    公开(公告)日：2019-02-07

    申请号：US16050121

    申请日：2018-07-31

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Daichi Kawano ,  Takahisa Nakaue ,  Koichi Hayashi ,  Daisuke Eto ,  Riku Minamoto ,  Sadanori Nakae

    IPC: G03G15/08

    Abstract: An image forming apparatus includes a developer container having a movable wall therein, a determination unit, a movable wall driving unit, and a movable wall driving controller. The determination unit outputs first determination information when a number of outputs of a signal indicating that a detection sensor has detected a developer is less than a threshold value, and outputs second determination information when the number of outputs thereof is equal to or greater than the threshold value. The movable wall driving unit includes a first driving motor for moving the movable wall and a first driving circuit for controlling driving thereof. The movable wall driving controller includes a signal controller. The signal controller transmits a drive permission signal for the first driving motor when the first determination information is output, and transmits a drive non-permission signal for the first driving motor when the second determination information is output.

    IMAGE FORMING APPARATUS
    2.
    发明申请
    IMAGE FORMING APPARATUS 审中-公开

    公开(公告)号：US20190086838A1

    公开(公告)日：2019-03-21

    申请号：US16127515

    申请日：2018-09-11

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Daisuke Eto ,  Riku Minamoto ,  Koichi Hayashi ,  Takahisa Nakaue ,  Sadanori Nakae ,  Daichi Kawano

    IPC: G03G15/095 ,  G03G15/08

    CPC classification number: G03G15/095 ,  G03G15/0856 ,  G03G15/0868 ,  G03G15/09 ,  G03G15/556

    Abstract: An image forming apparatus includes a housing in which a developing device is disposed, a cover member attached to the housing, a developer storage container to be detachably attached to the developing device, and a sensor unit. The developer storage container includes a container body having a storage space for storing a developer and a developer discharge port, and a moving wall configured to move in the container body. The sensor unit is arranged at a detection position where a detection sensor faces a specific area located above the developer discharge port on an outer peripheral surface of the container body when the cover member is in a closing posture, and arranged at a detection disable position where the detection sensor is distant from the specified area when the cover member is in an opening posture.

    DEVELOPER CONTAINER AND IMAGE FORMING APPARATUS INCLUDING THE SAME
    3.
    发明申请
    DEVELOPER CONTAINER AND IMAGE FORMING APPARATUS INCLUDING THE SAME 审中-公开

    公开(公告)号：US20190064703A1

    公开(公告)日：2019-02-28

    申请号：US16106193

    申请日：2018-08-21

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Riku Minamoto ,  Sadanori Nakae ,  Takahisa Nakaue ,  Koichi Hayashi ,  Daisuke Eto ,  Daichi Kawano

    IPC: G03G15/095 ,  G03G15/08

    Abstract: A developer container includes a container main body having an internal space and a developer discharge port; a movable wall moving in the internal space toward the developer discharge port; a detection surface which is a part of an inner peripheral surface that divides a storage space of a developer in the container main body and which becomes a detection region of a first detection sensor which detects the developer in the storage space; and a rotating body arranged in the storage space and capable of rotating around a rotary shaft along the first direction. The rotating body is mounted with a cleaning member which cleans the detection surface, a stirring member which stirs a developer in the storage space, and a detection target member to be a detection target of a second detection sensor which detects presence of the container main body.

    LIQUID EJECTION APPARATUS AND ABNORMALITY DETECTION METHOD CAPABLE OF DETECTING ABNORMALITY OF NOZZLE
    4.
    发明公开
    LIQUID EJECTION APPARATUS AND ABNORMALITY DETECTION METHOD CAPABLE OF DETECTING ABNORMALITY OF NOZZLE 审中-公开

    公开(公告)号：US20240109288A1

    公开(公告)日：2024-04-04

    申请号：US18476136

    申请日：2023-09-27

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Daichi Kawano ,  Takashi Inoue ,  Keisuke Maeyama ,  Tatsuya Nakagawa ,  Satoshi Morimoto ,  Minori Yamamoto

    IPC: B41J2/045

    CPC classification number: B41J2/0451 ,  B41J2/04581

    Abstract: A liquid ejection apparatus includes a nozzle, a pressure chamber, a piezoelectric element, an acquisition processing portion, and a restriction processing portion. The nozzle ejects a liquid. The pressure chamber communicates with the nozzle and contains the liquid. The piezoelectric element changes a pressure in the pressure chamber in response to an input of a drive signal. When image formation processing for ejecting the liquid from the nozzle is executed based on image data, the acquisition processing portion acquires a length of a non-ejection period in which the liquid is not ejected from the nozzle, the non-ejection period being included in an execution period of the image formation processing. When the length of the non-ejection period acquired by the acquisition processing portion is less than a predetermined first threshold value, the restriction processing portion restricts abnormality detection processing for detecting an abnormality of the nozzle using the piezoelectric element.

    Optical scanning device, image forming apparatus with optical scanning device and abnormality detection method for optical scanning device
    5.
    发明授权
    Optical scanning device, image forming apparatus with optical scanning device and abnormality detection method for optical scanning device 有权
    光学扫描装置，具有光学扫描装置的图像形成装置和用于光学扫描装置的异常检测方法

    公开(公告)号：US09217975B2

    公开(公告)日：2015-12-22

    申请号：US13678912

    申请日：2012-11-16

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Daichi Kawano

    IPC: G02B26/12 ,  B41J2/44 ,  G03G15/04 ,  G03G15/00 ,  G02B26/10

    CPC classification number: G03G15/553 ,  B41J2/442 ,  G02B26/10 ,  G02B26/124 ,  G02B26/127 ,  G03G15/04072 ,  G03G15/502

    Abstract: An optical scanning device includes a light emitter, a scanner, a first detector and a determiner. The light emitter outputs a beam. The scanner scans within a given area determined in advance with the beam output from the light emitter. The first detector is arranged on an optical path of the beam in the given area and detects the light quantity of the beam. The determiner determines light quantity shortage of the light beam if the light quantity detected by the first detector is below a first threshold set in advance and above a second threshold indicating a light quantity smaller than the first threshold and determines an abnormality in a scanning operation by the scanner or an abnormality of the light emitter if the light quantity detected by the first detector is below the second threshold.

    Abstract translation: 光学扫描装置包括光发射器，扫描器，第一检测器和确定器。 光发射器输出光束。 扫描仪在从光发射器输出的光束预先确定的给定区域内扫描。 第一检测器被布置在给定区域中的光束的光路上并且检测光束的光量。 如果由第一检测器检测到的光量低于预先设置的第一阈值并且高于指示小于第一阈值的光量的第二阈值，则确定器确定光束的光量不足，并且通过以下方式确定扫描操作中的异常 扫描器或由第一检测器检测到的光量低于第二阈值时发光器的异常。

    Inkjet recording apparatus
    6.
    发明授权
    Inkjet recording apparatus 有权

    公开(公告)号：US12134266B2

    公开(公告)日：2024-11-05

    申请号：US18059814

    申请日：2022-11-29

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Daichi Kawano

    IPC: B41J2/045 ,  B41J2/07

    Abstract: An inkjet recording apparatus includes a conveyance portion, a recording head, a detection portion, and a control portion. The recording head is disposed opposite the conveyance portion, and includes a plurality of nozzles which eject ink to the recording medium conveyed by the conveyance portion. The detection portion detects the thickness of the recording medium. The control portion controls the ink ejection speed from the recording head based on the thickness of the recording medium detected by the detection portion.

    Ink-jet recording apparatus
    9.
    发明授权
    Ink-jet recording apparatus 有权

    公开(公告)号：US12059905B2

    公开(公告)日：2024-08-13

    申请号：US17873765

    申请日：2022-07-26

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Daichi Kawano

    IPC: B41J2/175 ,  B41J2/205 ,  B41J2/21

    CPC classification number: B41J2/17566 ,  B41J2/2054 ,  B41J2/2132 ,  B41J2002/17569

    Abstract: An ink-jet recording apparatus includes a recording head, an ink reservoir portion, an ink amount sensor, a dot counter, and a control portion. The ink reservoir portion stores ink to he ted to the recording head. The ink amount sensor senses the amount of ink in the ink reservoir portion. The dot counter for measures in a cumulative manner the number of dots in the ink ejected from the recording head. The control portion changes the amount of ink ejected from the recording head based on the difference between a calculated value of the amount of consumed ink as calculated based on the cumulative number of dots measured by the dot counter and a measured value of the amount of consumed ink as determined based on the amount of ink in the ink reservoir portion as sensed by the ink amount sensor.

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