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    LIQUID EJECTION APPARATUS AND ABNORMALITY DETECTION METHOD CAPABLE OF DETECTING ABNORMALITY OF NOZZLE
    1.
    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.

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

    公开(公告)号：US20180314201A1

    公开(公告)日：2018-11-01

    申请号：US15956609

    申请日：2018-04-18

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Takashi Inoue

    IPC: G03G21/12

    CPC classification number: G03G21/10 ,  G03G15/0874 ,  G03G15/502 ,  G03G15/55 ,  G03G15/556 ,  G03G21/1633

    Abstract: In an image forming apparatus, a driving mechanism rotates a bottle attached to a bottle attaching portion by engaging with a first end of the bottle. A cover member, positioned to face a second end of the bottle, is supported to be able to open and close an opening from which the bottle is inserted. An elastic member applies upwards elastic force to the bottle attaching portion. A level sensor detects a position of the bottle attaching portion in an up-down direction. A signal processing device executes a full-state notifying process when a detection signal of the level sensor during operation of the driving mechanism fails to satisfy an abnormality condition, and the position indicated by the detection signal is lower than a predetermined reference position. The abnormality condition includes either or both of an amplitude condition and a cycle condition for a rotation cycle of the bottle.

    Image reading device, image forming apparatus, and recording medium
    3.
    发明授权
    Image reading device, image forming apparatus, and recording medium 有权
    图像读取装置，图像形成装置和记录介质

    公开(公告)号：US09258456B2

    公开(公告)日：2016-02-09

    申请号：US14288602

    申请日：2014-05-28

    Applicant: KYOCERA DOCUMENT SOLUTIONS INC.

    Inventor： Takashi Inoue

    IPC: H04N1/409 ,  H04N1/40 ,  H04N1/401 ,  H04N1/00 ,  H04N1/028 ,  H04N1/047 ,  H04N1/053

    CPC classification number: H04N1/401 ,  H04N1/00002 ,  H04N1/00045 ,  H04N1/0281 ,  H04N1/047 ,  H04N1/053 ,  H04N1/409 ,  H04N1/4092 ,  H04N2201/0081

    Abstract: An image reading device includes an image reading section, an image processing section, and a density reference member. Based on a location of a defect in the image reading section or in the density reference member, the image processing section determines whether or not to at least partially restrict either a read range of the image reading section when the image reading section reads an original document or usage of a result obtained by reading the original document by the image reading section. The image processing section determines whether or not to apply a smoothing process to each density value detected by reading the original document by the image reading section. The determination is made based on a comparison between a normal-value determining threshold and each density value detected by reading the density reference member by the image reading section.

    Abstract translation: 图像读取装置包括图像读取部，图像处理部和密度参照部。 基于图像读取部分或密度参考部件中的缺陷的位置，图像处理部分确定当图像读取部分读取原始文档时是否至少部分地限制图像读取部分的读取范围 或通过图像读取部读取原稿而得到的结果的使用。 图像处理部分确定是否对通过图像读取部分读取原稿检测到的每个浓度值应用平滑处理。 基于通过图像读取部读取浓度基准部件而检测出的正常值确定阈值与每个浓度值之间的比较进行判定。

    INFORMATION PROCESSING APPARATUS AND ERROR PROCESSING METHOD
    4.
    发明申请
    INFORMATION PROCESSING APPARATUS AND ERROR PROCESSING METHOD 有权
    信息处理设备和错误处理方法

    公开(公告)号：US20140298118A1

    公开(公告)日：2014-10-02

    申请号：US14223281

    申请日：2014-03-24

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Naruyuki Miyamoto ,  Tomoyuki Kikuta ,  Takashi Inoue ,  Tetsuya Matsusaka

    IPC: G06F11/07

    CPC classification number: G06F11/0769 ,  G06F9/226 ,  G06F11/0733 ,  G06F11/0766 ,  G06F11/0793

    Abstract: An information processing apparatus according to one aspect of the present disclosure includes a communication control portion, an error code storage portion, an acquiring portion, and a determination portion. Communication control portion communicates with storage device based on interface communication standard, to perform data transfer therewith. Error code storage portion stores one or a plurality of selected error codes selected from a plurality of error codes defined by interface communication standard. Acquiring portion acquires error information outputted from storage device. Determination portion determines whether or not error code indicated by error information coincides with selected error code. When determination portion determines that error code coincides with selected error code, communication control portion communicates again with storage device to perform data transfer therewith. When determination portion determines that error code does not coincide with selected error code, communication control portion executes error processing corresponding to error code indicated by error information.

    Abstract translation: 根据本公开的一个方面的信息处理设备包括通信控制部分，错误代码存储部分，获取部分和确定部分。 通信控制部分基于接口通信标准与存储装置进行通信，以便与其进行数据传送。 错误代码存储部分存储从由界面通信标准定义的多个错误代码中选择的一个或多个选择的错误代码。 获取部分获取从存储装置输出的错误信息。 确定部分确定由错误信息指示的错误代码是否与选择的错误代码一致。 当确定部分确定错误代码与所选择的错误代码一致时，通信控制部分再次与存储设备进行通信以与其一起进行数据传送。 当确定部分确定错误代码与选择的错误代码不一致时，通信控制部分执行与由错误信息指示的错误代码相对应的错误处理。

    Image reading device, image forming apparatus, and image reading method
    6.
    发明授权
    Image reading device, image forming apparatus, and image reading method 有权
    图像读取装置，图像形成装置和图像读取方法

    公开(公告)号：US09137413B2

    公开(公告)日：2015-09-15

    申请号：US14534485

    申请日：2014-11-06

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Takashi Inoue

    IPC: H04N1/04 ,  H04N1/047 ,  H04N1/10

    CPC classification number: H04N1/047 ,  H04N1/1039 ,  H04N2201/04755

    Abstract: An image reading device includes first carriage, a stepper motor, a shakiness level calculating section, and a timing adjusting section. The first carriage reads an image of a document to be read loaded on a document table. The stepper motor moves the first carriage relative to the document. The shakiness level calculating section calculates a shakiness level of the image, indicating shakiness of the image during reading by the first carriage, based on image data read by the first carriage with respect to a reference image incorporated into the document table. The timing adjusting section adjusts a rise timing of a step signal input to the stepper motor in accordance with the shakiness level that is calculated.

    Abstract translation: 图像读取装置包括第一托架，步进马达，抖动程度计算部和定时调整部。 第一个载体读取要读取的文档的图像加载在文档表上。 步进电机相对于文件移动第一个托架。 抖动度计算部基于由第一托架读取的图像数据相对于包含在文档表中的参考图像，计算图像的抖动程度，指示由第一托架读取期间图像的抖动。 定时调整部根据计算出的抖动电平来调整输入到步进电动机的阶跃信号的上升时间。

    DEVELOPING DEVICE CAPABLE OF DETECTING STORAGE AMOUNT OF DEVELOPER, IMAGE FORMING APPARATUS, AND DEVELOPER DETECTION METHOD
    7.
    发明申请
    DEVELOPING DEVICE CAPABLE OF DETECTING STORAGE AMOUNT OF DEVELOPER, IMAGE FORMING APPARATUS, AND DEVELOPER DETECTION METHOD 有权

    公开(公告)号：US20220229382A1

    公开(公告)日：2022-07-21

    申请号：US17648092

    申请日：2022-01-14

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Takashi Inoue

    IPC: G03G15/08

    Abstract: A developing device includes a storage portion storing a developer, a conveying portion stirring and conveying the developer in the storage portion, a sensor, an acquisition processing portion, and a correction processing portion. The sensor outputs an electrical signal in accordance with magnetic permeability at a predetermined detection position in a conveyance path of the developer. The acquisition processing portion acquires a specific value based on the electrical signal outputted during a rotation period of the conveying portion. The correction processing portion corrects the specific value based on a rotation speed of the conveying portion when a fluctuation width of the electrical signal outputted during the rotation period of the conveying portion is less than a predetermined threshold, and corrects the specific value based on the rotation speed of the conveying portion and the fluctuation width when the fluctuation width is equal to or greater than the threshold.

    IMAGE FORMING APPARATUS
    8.
    发明申请
    IMAGE FORMING APPARATUS 有权

    公开(公告)号：US20170155774A1

    公开(公告)日：2017-06-01

    申请号：US15359455

    申请日：2016-11-22

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Takashi Inoue

    IPC: H04N1/00 ,  G03G15/00 ,  G06K9/00

    CPC classification number: H04N1/00037 ,  G03G15/0851 ,  G03G15/086 ,  G03G15/556 ,  G06K9/00503 ,  G06K9/00543 ,  H04N1/00023 ,  H04N1/00904 ,  H04N1/00994 ,  H04N2201/0094

    Abstract: Plural sensors are arranged respectively for plural toner colors, and oscillate to generate and output detection signals with frequencies corresponding to toner densities using oscillator circuits. An analog switch selects one detection signal among the detection signals. A filter decreases amplitude of the selected detection signal. A first signal line transmits the detection signal with the decreased amplitude. A comparator compares the transmitted detection signal with a predetermined threshold value and outputs as the detection signal a signal of which a level is set as a high level or a low level in accordance with the comparison result, and thereby increases amplitude of the detection signal. A receiver-side IC receives the detection signal with the increased amplitude at a predetermined port, determines a frequency of the received detection signal, and determines the toner density on the basis of the determined frequency.

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