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公开(公告)号：US09182722B2
公开(公告)日：2015-11-10
申请号：US14475186
申请日：2014-09-02
Applicant: KONICA MINOLTA, INC.
Inventor： Katsuyuki Ikuta , Katsunori Takahashi , Kenichi Hayashi , Kazutoshi Yoshimura , Tatsuhiro Noutomi
CPC classification number: G03G15/6529 , B65H5/062 , B65H7/20 , B65H2220/09 , B65H2301/4474 , B65H2402/10 , B65H2511/10 , B65H2511/13 , B65H2511/135 , B65H2511/414 , B65H2511/416 , B65H2511/417 , B65H2513/512 , B65H2801/03 , B65H2801/06 , G03G15/6564 , G03G15/70 , G03G21/14 , G03G21/1604 , G03G2215/00021 , B65H2220/01 , B65H2220/02
Abstract: A serial tandem image forming system is described which is capable of inhibiting both the degradation of image quality and the reduction of the productivity. This system consists mainly of the control units of upstream and downstream apparatuses. When a preceding sheet differs from the subsequent sheet in sheet type, a control unit for controlling the image forming system has the subsequent sheet stand by at a paper stop roller of the upstream apparatus, and performs the operation of switching the operating states of the upstream and downstream apparatuses in accordance with the sheet type of the subsequent sheet. Also, the control unit predicts the timing of finishing the switching of the operating state, and then re-starts the conveyance of the subsequent sheet, in advance of finishing the switching of the operating state, by controlling the paper stop roller on the basis of the predicted finishing timing.
Abstract translation: 描述了能够抑制图像质量下降和生产率降低的串行图像形成系统。 该系统主要由上游和下游设备的控制单元组成。 当前一张纸与纸张类型的后续纸张不同时，用于控制图像形成系统的控制单元在下游装置的纸张停止辊上随后放置一张纸，并且进行上游的操作状态的切换操作 和下游装置。 此外，控制单元预测完成切换操作状态的时间，然后在完成切换操作状态之前，通过基于以下方式控制纸张停止辊来重新启动后续纸张的输送 预计完成时间。
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公开(公告)号：US12098051B2
公开(公告)日：2024-09-24
申请号：US17455115
申请日：2021-11-16
Applicant: KONICA MINOLTA, INC.
Inventor： Satoshi Ogata , Yumiko Izumiya , Kazutoshi Yoshimura , Hiroyuki Maruyama , Masashi Sugano , Tsuyoshi Yoneyama
CPC classification number: B65H43/08 , B65H29/60 , B65H2511/13 , B65H2511/135 , B65H2553/27 , B65H2557/242 , B65H2801/06
Abstract: An image forming apparatus includes a sensor that acquires first and second data groups of paper characteristics by measuring a recording medium; a processor that determines a parameter for controlling at least one of image formation and conveyance of a recording medium on a conveyance path based on the first and second data groups acquired by the sensor; an image former that forms an image on a recording medium conveyed on the conveyance path based on the parameter. The processor compares the first and second paper characteristic data groups, the first paper characteristic data group has been measured at a first time period and the second paper characteristic data group has been measured at a second time period nearer to a present time than the first time period, and the processor controls the image formation based on a the comparison result.
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公开(公告)号：US20210078813A1
公开(公告)日：2021-03-18
申请号：US17020220
申请日：2020-09-14
Applicant: Konica Minolta, Inc.
Inventor： Yumiko Izumiya , Satoshi Ogata , Kazutoshi Yoshimura , Hitoshi Asano , Hirotada Seki , Akimasa Ishikawa , Masashi Sugano , Tsuyoshi Yoneyama , Hiroyuki Maruyama
Abstract: Provided is a recording medium detection device which prevents a recording medium from jamming. The device comprises: a first roller and a second roller which nip and transport a recording medium; a roller shaft which rotatably supports the second roller; a shaft support; and a displacement detector. The shaft support supports the roller shaft movably in the thickness direction of the recording medium. The displacement detector detects displacement of the second roller in the thickness direction. The shaft support further supports the second roller movably in the transportation direction of the recording medium through the roller shaft.
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公开(公告)号：US20180109693A1
公开(公告)日：2018-04-19
申请号：US15717979
申请日：2017-09-28
Applicant: Konica Minolta, Inc.
Inventor： Takashi Watanabe , Kazutoshi Yoshimura , Kiyohito Tsujihara , Akinori Kimata , Shiro Umeda , Kouei Cho
IPC: H04N1/00
CPC classification number: H04N1/00909 , H04N1/00588 , H04N1/00641 , H04N1/0071 , H04N1/00748
Abstract: An image reading apparatus for separating and conveying documents from a bundle of documents, causing the document to pass through a reading position, and reading an image from the document, includes: a reading translucent plate; a rotation member capable of rotating around a shaft; and a rotation driver that rotates the rotation member, wherein in the rotation member, each of: a cleaning member; a white reference area; and an end portion detection area is formed partially with regard to a circumferential direction, the cleaning member and the end portion detection area are arranged adjacent to each other, the rotation driver is arranged so that the end portion detection area faces an opposing surface, and the rotation member is rotated in a paper interval period from when a trailing edge of the document passes the reading position to when a leading edge of a subsequent document reaches the reading position,
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公开(公告)号：US12197158B2
公开(公告)日：2025-01-14
申请号：US18220300
申请日：2023-07-11
Applicant: KONICA MINOLTA, INC.
Inventor： Yasuo Koyanagi , Kazumichi Yoshida , Yoshihito Sasamoto , Kazutoshi Yoshimura
IPC: G03G15/00
Abstract: A stiffness measuring device includes a holding portion that holds a recording material so that a recording surface of the recording material is substantially parallel to a vertical direction, a pressing portion, and a stiffness acquiring section. The pressing portion presses a measurement point located on a lower side in the vertical direction than the portion of the recording material held by the holding portion. The stiffness acquiring section measures a reaction force obtained when the measurement point is pressed by the pressing portion and acquires the measured reaction force as the stiffness of the recording material.
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Patent Agency Ranking
公开(公告)号：US11533408B2
公开(公告)日：2022-12-20
申请号：US17513778
申请日：2021-10-28
Applicant: KONICA MINOLTA, INC.
Inventor： Hirotada Seki , Hitoshi Asano , Yumiko Izumiya , Akimasa Ishikawa , Kazutoshi Yoshimura , Yasuo Koyanagi
Abstract: To provide a sheet conveyance device capable of preventing degradation in quality of conveying a sheet and image quality even when a stiffness of the sheet is different between a sheet conveyance direction and a sheet width direction. A sheet conveyance device of an image forming apparatus includes an image forming part that conveys a sheet along a conveyance path; and a stiffness acquisition part that acquires a stiffness of the sheet in a first direction including a component in the sheet conveyance direction by bending the sheet in the first direction, and acquires a stiffness of the sheet in a second direction including a component in the sheet width direction orthogonal to the sheet conveyance direction by bending the sheet in the second direction.
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公开(公告)号：US20220177257A1
公开(公告)日：2022-06-09
申请号：US17455115
申请日：2021-11-16
Applicant: KONICA MINOLTA, INC.
Inventor： Satoshi Ogata , Yumiko Izumiya , Kazutoshi Yoshimura , Hiroyuki Maruyama , Masashi Sugano , Tsuyoshi Yoneyama
Abstract: An image forming apparatus includes a sensor that acquires first and second data groups of paper characteristics by measuring a recording medium; a processor that determines a parameter for controlling at least one of image formation and conveyance of a recording medium on a conveyance path based on the first and second data groups acquired by the sensor; an image former that forms an image on a recording medium conveyed on the conveyance path based on the parameter. The processor compares the first and second paper characteristic data groups, the first paper characteristic data group has been measured at a first time period and the second paper characteristic data group has been measured at a second time period nearer to a present time than the first time period, and the processor controls the image formation based on a the comparison result.
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公开(公告)号：US11286125B2
公开(公告)日：2022-03-29
申请号：US16741922
申请日：2020-01-14
Applicant: KONICA MINOLTA, INC.
Inventor： Yumiko Izumiya , Satoshi Ogata , Kazutoshi Yoshimura , Hitoshi Asano , Hirotada Seki , Akimasa Ishikawa
Abstract: A measuring device, includes a physical property value detector and a push contact member that pushes to bring a sheet material in contact with the physical property value detector; and further includes a first processor that stops conveyance of the sheet material, pushes to bring the sheet material in contact with the physical property value detector, and detects a physical property value of the sheet material; a second processor that, after having detected the physical property value, cancels the pushing by the push contact member, separates the sheet material from the physical property value detector, and starts conveyance of the sheet material; and a physical property value specifier that specifies the physical property value on a basis of physical property values of a plurality of positions within a surface of the sheet material detected by executing the first processing and the second processing repeatedly.
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公开(公告)号：US20210078816A1
公开(公告)日：2021-03-18
申请号：US17020212
申请日：2020-09-14
Applicant: Konica Minolta, Inc.,
Inventor： Yumiko Izumiya , Satoshi Ogata , Kazutoshi Yoshimura , Hitoshi Asano , Hirotada Seki , Akimasa Ishikawa , Masashi Sugano , Tsuyoshi Yoneyama , Hiroyuki Maruyama
Abstract: Provided is a recording medium detection device which prevents the decline in productivity. The recording medium detection device comprises a first detecting section and a second detecting section. The first detecting section performs a first adjustment process and makes a detection of a recording medium being transported. The second detecting section is located more downstream than the first detecting section in the transportation direction of the recording medium, performs a second adjustment process which takes a longer time than the first adjustment process, and makes a detection of the recording medium being transported.
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公开(公告)号：US11627234B2
公开(公告)日：2023-04-11
申请号：US17382797
申请日：2021-07-22
Applicant: Konica Minolta, Inc.
Inventor： Masayuki Watanabe , Hidenori Mine , Satoshi Ogata , Kazutoshi Yoshimura
Abstract: A post-processing device includes: multiple types of post-processing modules that are disposed at predetermined installation positions within the post-processing device and each execute post-processing to an output sheet on which an image is formed; and a controller that (i) detects the post-processing modules at the installation positions and (ii) determines and controls adjustment contents of the post-processing modules based on a detection result.
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