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

    公开(公告)号：US20180150014A1

    公开(公告)日：2018-05-31

    申请号：US15804697

    申请日：2017-11-06

    Applicant: KONICA MINOLTA, INC.

    Inventor： Satoshi MIYAJIMA ,  Takanobu SHIKI ,  Hiroshi OYAMA ,  Remi ISHIKAWA ,  Tadayuki UEDA

    IPC: G03G15/00

    CPC classification number: G03G15/6502 ,  G03G15/6511 ,  G03G15/6561

    Abstract: An image forming apparatus includes the following. An upstream second conveying roller and a downstream second conveying roller form a loop on the long sheet. A deviation amount detector detects a deviation amount of the long sheet. A loop amount detector detects a loop amount in two positions in a width direction. A speed controller controls a rotating speed of the upstream second conveying roller and the downstream second conveying roller based on a deviation amount and a difference of loop amounts in two positions. Each of the upstream second conveying roller and the downstream second conveying roller includes a near roller and a far roller. The speed controller controls the rotating speed of the near roller and the far roller based on the deviation amount and the difference of the loop amounts in the two positions.

    DRIVE APPARATUS AND IMAGE FORMING APPARATUS
    3.
    发明申请
    DRIVE APPARATUS AND IMAGE FORMING APPARATUS 审中-公开

    公开(公告)号：US20190152733A1

    公开(公告)日：2019-05-23

    申请号：US16182888

    申请日：2018-11-07

    Applicant: KONICA MINOLTA, INC.

    Inventor： Satoshi MIYAJIMA ,  Hiroshi OYAMA ,  Remi ISHIKAWA ,  Tadayuki UEDA

    IPC: B65H7/20 ,  B65H5/06

    Abstract: A drive apparatus according to the present invention includes a first motor that transmits power to a rotating shaft of a conveyance roller for conveying a sheet, a second motor that transmits power to the rotating shaft of the conveyance roller, a storage that stores information indicating the driving force of the second motor during a period in which the conveyance roller conveys the sheet; and a controller that drives the second motor with the driving force indicated by the information during a period when the conveyance roller conveys the sheet, wherein the controller changes the information stored in the storage according to a load applied to the conveyance roller during the period when the conveyance roller conveys the sheet, and drives the second motor with a driving force indicated by the information after the change during a period when the conveyance roller conveys a next sheet.

    DRIVE APPARATUS AND IMAGE FORMING APPARATUS
    6.
    发明申请
    DRIVE APPARATUS AND IMAGE FORMING APPARATUS 审中-公开

    公开(公告)号：US20190127168A1

    公开(公告)日：2019-05-02

    申请号：US16171398

    申请日：2018-10-26

    Applicant: KONICA MINOLTA, INC.

    Inventor： Satoshi MIYAJIMA ,  Hiroshi OYAMA ,  Remi ISHIKAWA ,  Tadayuki UEDA

    IPC: B65H7/20 ,  G03G15/00 ,  B65H5/06

    Abstract: A drive apparatus according to the present invention includes a stepping motor that transmits power to a rotating shaft of a conveyance roller, a brushless motor that transmits power to the rotating shaft of the conveyance roller, a first controller that controls an operation of the stepping motor so that the stepping motor rotates at a constant speed, and a second controller that controls an operation of the brushless motor. The second controller switches control of the brushless motor between, in accordance with a conveyance state of the sheet, assist control in which power of the brushless motor assists a rotation of the stepping motor, brake control in which power of the brushless motor prevents the rotation of the stepping motor, and neutral control in which power of the brushless motor does not affect the rotation of the stepping motor.

    SHEET CONVEYING APPARATUS
    7.
    发明申请
    SHEET CONVEYING APPARATUS 审中-公开

    公开(公告)号：US20180334341A1

    公开(公告)日：2018-11-22

    申请号：US15970447

    申请日：2018-05-03

    Applicant: Konica Minolta, Inc.

    Inventor： Satoshi MIYAJIMA ,  Takanobu SHIKI ,  Tadayuki UEDA ,  Hiroshi OYAMA ,  Remi ISHIKAWA

    IPC: B65H5/06 ,  B41J13/00 ,  B41J15/04

    CPC classification number: B65H5/062 ,  B41J13/0009 ,  B41J15/042 ,  B65H2801/06

    Abstract: A sheet conveying apparatus includes: a plurality of driving parts each connected to one end of corresponding one of a respective plurality of rotating shafts; a first torque adjuster connected to another end of each of the plurality of rotating shafts, the first torque adjuster applying first torque to the plurality of driving parts; a second torque adjuster that applies, to the driving parts, second torque for adjusting the first torque to be applied to the driving parts by the first torque adjuster; and a hardware processor that controls the second torque to be applied to the driving parts in the second torque adjuster in accordance with a number of revolutions of the driving part.

    PAPER FEED APPARATUS AND IMAGE FORMING SYSTEM
    9.
    发明申请
    PAPER FEED APPARATUS AND IMAGE FORMING SYSTEM 有权
    纸张送料装置和图像形成系统

    公开(公告)号：US20140138899A1

    公开(公告)日：2014-05-22

    申请号：US14083484

    申请日：2013-11-19

    Applicant: Konica Minolta , Inc.

    Inventor： Hiroshi OYAMA ,  Kenji IZUMIYA ,  Kiyoto KOJIMA ,  Atsushi TAKAHASHI

    IPC: B65H5/26

    CPC classification number: B65H5/26 ,  B65H1/266 ,  B65H7/08 ,  B65H9/006 ,  B65H2402/10 ,  B65H2405/15 ,  B65H2405/332 ,  B65H2513/10 ,  B65H2513/42 ,  B65H2513/53 ,  B65H2801/06 ,  B65H2220/01 ,  B65H2220/02

    Abstract: A paper feed apparatus is capable of correcting the skew of a sheet irrespective of a differential conveyance distance. The paper feed apparatus is provided with a first Large volume paper feed apparatus 100A having a control unit 130 which performs first correction control to correct the skew of a sheet by controlling a first conveyance unit 110 and forming a loop of the sheet P before a paper stop rollers 110d, and also performs second correction control to correct the skew of a sheet by controlling a second conveyance unit 120 and forming a loop of the sheet before a paper stop rollers 110d. In this case, the control unit 130 controls the first conveyance unit 110 and the second conveyance unit 120 in order that the skew correcting ability of the second correction control becomes greater than the skew correcting ability of the first correction control.

    Abstract translation: 进纸装置能够校正纸张的歪斜，而与差分输送距离无关。 供纸装置设置有具有控制单元130的第一大容量供纸装置100A，控制单元130通过控制第一输送单元110进行第一校正控制以校正薄片的歪斜，并在纸张之前形成纸张P的回路 停止辊110d，并且还执行第二校正控制以通过控制第二输送单元120并在纸张停止辊110d之前形成纸张的环来校正纸张的歪斜。 在这种情况下，控制单元130控制第一输送单元110和第二输送单元120，以使得第二校正控制的偏斜校正能力变得大于第一校正控制的倾斜校正能力。

    FIXING APPARATUS AND IMAGE-FORMING APPARATUS USING THE SAME
    10.
    发明申请
    FIXING APPARATUS AND IMAGE-FORMING APPARATUS USING THE SAME 有权
    固定装置和使用该装置的图像形成装置

    公开(公告)号：US20150268593A1

    公开(公告)日：2015-09-24

    申请号：US14658751

    申请日：2015-03-16

    Applicant: Konica Minolta, Inc.

    Inventor： Kosuke SASAKI ,  Kenji TAMAKI ,  Masayuki WATANABE ,  Kiyoto KOJIMA ,  Kenji IZUMIYA ,  Hiroshi OYAMA

    IPC: G03G15/20

    CPC classification number: G03G15/2039

    Abstract: A fixing apparatus included in an image forming apparatus includes a fixing heater that performs heat fixing, a control unit that controls the fixing heater based on control patterns, a temperature sensor that detects temperature of the fixing heater, and a voltage detection unit that detects a voltage that is applied to the fixing heater. In each control pattern, turn-on period of the fixing heater and turn-off period of the fixing heater are set according to a control cycle of a half cycle duty control. The control unit controls the switching unit to turn on or off the fixing heater using a combination of the control patterns each satisfying a standard for preventing a flicker during each control period of time that is integral multiplication of the control cycle according to the temperature of the fixing heater and the voltage value allied to the fixing heater.

    Abstract translation: 包括在图像形成装置中的定影装置包括执行热定影的定影加热器，基于控制图案控制定影加热器的控制单元，检测定影加热器的温度的温度传感器，以及检测定影加热器的电压检测单元 施加到定影加热器的电压。 在每个控制模式中，根据半循环占空比控制的控制周期来设定定影加热器的开启周期和定影加热器的关闭周期。 控制单元控制开关单元使用各自满足用于防止在根据控制周期的温度的控制周期的积分乘法的每个控制时段期间的闪烁的控制模式的组合来打开或关闭定影加热器 固定加热器和与定影加热器相关的电压值。

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