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公开(公告)号：US10961068B2
公开(公告)日：2021-03-30
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
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.
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2.发明申请Image Forming Apparatus Provided With Fixing Unit for Fixing Images Formed on Paper and Method of Controlling Heaters of the Apparatus 有权具有固定在纸上形成的图像的固定装置的图像形成装置和装置的加热器的控制方法公开(公告)号：US20130302058A1
公开(公告)日：2013-11-14
申请号：US13887190
申请日：2013-05-03
Applicant: KONICA MINOLTA, INC.
Inventor： Akinori Kimata , Yoshihito Sasamoto , Tadayuki Ueda , Toru Kasamatsu , Eiji Nishikawa , Takanobu Shiki
IPC: G03G15/20
CPC classification number: G03G15/205 , G03G15/2003 , G03G15/2039 , G03G15/2042 , G03G15/2064 , G03G15/5004 , G03G2215/2016
Abstract: An image forming apparatus includes a plurality of heaters 56 for heating the fixing roller 52, a plurality of temperature sensors 57 for detecting the temperatures of the areas to be heated by the plurality of heaters 56 respectively, and a control unit 11 for turning on and off the plurality of heaters 56 on the basis of the temperatures detected by the plurality of temperature sensors 57. If one of the heaters 56 is on when the area to be heated by the other heater cools down to the ON temperature, the control unit 11 turns on the other heater with the same timing as the one heater is turned off.
Abstract translation: 图像形成装置包括用于加热定影辊52的多个加热器56，用于分别检测由多个加热器56加热的区域的温度的多个温度传感器57和用于打开的控制单元11， 基于由多个温度传感器57检测到的温度来关闭多个加热器56.如果另一个加热器的待加热区域冷却至接通温度时，加热器56中的一个加热器接通，则控制单元11 以与一个加热器关闭的时间相同的时间打开另一个加热器。
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公开(公告)号：US10526150B2
公开(公告)日：2020-01-07
申请号：US16182888
申请日：2018-11-07
Applicant: KONICA MINOLTA, INC.
Inventor： Satoshi Miyajima , Hiroshi Oyama , Remi Ishikawa , Tadayuki Ueda
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.
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公开(公告)号：US09639039B2
公开(公告)日：2017-05-02
申请号：US15145978
申请日：2016-05-04
Applicant: KONICA MINOLTA, INC.
Inventor： Takanobu Shiki , Tadayuki Ueda , Eiji Nishikawa , Yukinobu Iguchi , Satoshi Miyajima , Yohei Yamada
CPC classification number: G03G15/2039 , G03G15/6594 , G03G2215/00738
Abstract: An image forming apparatus detects that the temperature of a fixing member reaches a lower limit value at which the temperature once reduced by the start of a heating and fixing process to a paper turns to rise, after an image forming operation starts, and determines the type of the paper based on at least one of an elapsed time from a predetermined reference time point after the image forming operation starts to a time point at which it is detected that the temperature reaches the lower limit value, and a temperature difference between the temperature of the fixing member at the reference time point and the lower limit value.
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Patent Agency Ranking
公开(公告)号：US09632464B2
公开(公告)日：2017-04-25
申请号：US15135027
申请日：2016-04-21
Applicant: Konica Minolta, Inc.
Inventor： Takanobu Shiki , Tadayuki Ueda , Eiji Nishikawa , Yukinobu Iguchi , Satoshi Miyajima , Yohei Yamada
IPC: G03G15/20
CPC classification number: G03G15/2039 , G03G15/205
Abstract: In an image forming apparatus according to the present invention, when an image forming operation is started from a standby state, electric power is supplied to a heater by switching to a first fixing control to turn on and off the heater to heat a heating roller with a fixed duty ratio based on the detected temperature of the heating roller, and thereafter, when detecting a state that the falling detected temperature reaches a lower limit value at which the detected temperature turns to rising, electric power is supplied to the heater by switching to a second fixing control which changes a duty ratio in accordance with a temperature difference between the detected temperature and a target control temperature.
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公开(公告)号：US10435261B2
公开(公告)日：2019-10-08
申请号：US15972580
申请日：2018-05-07
Applicant: Konica Minolta, Inc.
Inventor： Satoshi Miyajima , Takanobu Shiki , Tadayuki Ueda , Hiroshi Oyama , Remi Ishikawa
Abstract: A sheet conveying apparatus includes: a plurality of conveyors provided along a sheet conveying direction; a plurality of main driving parts that is respectively provided to the plurality of conveyors and independently drives the conveyors; an auxiliary driving part that drives the plurality of conveyors; and a transmitter that transmits driving force between the plurality of conveyors and transmits driving force of the auxiliary driving part to the plurality of conveyors.
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公开(公告)号：US20190177103A1
公开(公告)日：2019-06-13
申请号：US16190748
申请日：2018-11-14
Applicant: Konica Minolta, Inc.
Inventor： Remi ISHIKAWA , Satoshi Miyajima , Hiroshi Oyama , Tadayuki Ueda
Abstract: A conveying driving device of the invention includes a first motor which transmits power to a drive shaft of a roller; a second motor which transmits power to the drive shaft along with the first motor at a torque smaller than that of the first motor; and a controller which sets each of drive current setting values of the first motor and the second motor so that a total value of a consumption current of the first motor and the second motor becomes minimal in a steady state in which the roller rotates at a constant setting speed.
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公开(公告)号：US09261841B2
公开(公告)日：2016-02-16
申请号：US14162089
申请日：2014-01-23
Applicant: Konica Minolta, Inc.
Inventor： Teruhiko Fujikura , Satoshi Miyajima , Tadayuki Ueda , Yoshihito Sasamoto , Eiji Nishikawa , Takanobu Shiki , Akinori Kimata
CPC classification number: G03G15/5058 , G03G15/0189 , G03G2215/0132 , G03G2215/0161
Abstract: An image forming apparatus forms decision registration mark for deciding whether or not a color registration correction for correcting color shifts in the color image carries out on an intermediate transfer belt. The decision registration mark is formed by registering four color registration marks. Color registration sensors detect a detection width of the decision registration mark along a sub scanning direction. A control portion receives the detection width of the decision registration mark and decides whether or not the color registration correction carries out based on whether or not the detection width of the decision mark detected by the detection portion exceeds the period of reference time. When the detection width of the decision mark detected by the detection portion exceeds the period of reference time, the control portion carries out the color registration correction.
Abstract translation: 图像形成装置形成用于判定在中间转印带上执行用于校正彩色图像中的颜色偏移的颜色对准校正的判定登记标记。 通过登记四个颜色配准标记形成决定登记标记。 颜色配准传感器检测沿副扫描方向的判定对准标记的检测宽度。 控制部分接收判定登记标记的检测宽度，并且基于检测部分检测到的判定标记的检测宽度是否超过参考时间周期来判定颜色登记校正是否被执行。 当由检测部分检测到的判定标记的检测宽度超过参考时间周期时，控制部分执行颜色配准校正。
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9.发明授权Image forming apparatus provided with fixing unit for fixing images formed on paper and method of controlling heaters of the apparatus 有权图像形成装置设置有用于固定形成在纸上的图像的定影单元和控制装置的加热器的方法公开(公告)号：US09031444B2
公开(公告)日：2015-05-12
申请号：US13887190
申请日：2013-05-03
Applicant: Konica Minolta, Inc.
Inventor： Akinori Kimata , Yoshihito Sasamoto , Tadayuki Ueda , Toru Kasamatsu , Eiji Nishikawa , Takanobu Shiki
CPC classification number: G03G15/205 , G03G15/2003 , G03G15/2039 , G03G15/2042 , G03G15/2064 , G03G15/5004 , G03G2215/2016
Abstract: An image forming apparatus includes a plurality of heaters 56 for heating the fixing roller 52, a plurality of temperature sensors 57 for detecting the temperatures of the areas to be heated by the plurality of heaters 56 respectively, and a control unit 11 for turning on and off the plurality of heaters 56 on the basis of the temperatures detected by the plurality of temperature sensors 57. If one of the heaters 56 is on when the area to be heated by the other heater cools down to the ON temperature, the control unit 11 turns on the other heater with the same timing as the one heater is turned off.
Abstract translation: 图像形成装置包括用于加热定影辊52的多个加热器56，用于分别检测由多个加热器56加热的区域的温度的多个温度传感器57和用于打开的控制单元11， 基于由多个温度传感器57检测到的温度来关闭多个加热器56.如果另一个加热器的待加热区域冷却至接通温度时，加热器56中的一个加热器接通，则控制单元11 以与一个加热器关闭的时间相同的时间打开另一个加热器。
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