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公开(公告)号：US10162291B2
公开(公告)日：2018-12-25
申请号：US15453298
申请日：2017-03-08
申请人： Konica Minolta, Inc.
发明人： Keita Saito , Sayaka Morita , Noboru Oomoto
摘要： An image formation apparatus includes: a fixing belt wound on a plurality of support rollers including a first pressure applying roller; a second pressure applying roller applying a pressure to the first pressure applying roller and thus forming a nip portion N; a tension modifying mechanism adjusting a tension; a contact area adjustment mechanism adjusting a downstream contact area, which is a contact area of the fixing belt in contact with the first pressure applying roller that is located downstream of the nip portion N; a sheet information obtainer; and a controller controlling an operation of the tension modifying mechanism and an operation of the contact area adjustment mechanism. When sheet information indicates embossed paper, the controller adjusts the operation of the tension modifying mechanism and the operation of the contact area adjustment mechanism to reduce a tension exerted to the fixing belt and also reduce the downstream contact area.
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2.发明授权Image forming apparatus for cancelling non-uniform rotation of a rotating member 有权用于消除旋转构件的不均匀旋转的图像形成装置公开(公告)号：US09335707B2
公开(公告)日：2016-05-10
申请号：US14030318
申请日：2013-09-18
申请人： Konica Minolta, Inc.
IPC分类号： G03G15/00
CPC分类号： G03G15/757
摘要： An image forming apparatus having: a rotating member adapted to support an image; a first drive source configured to generate a drive force; a transmission mechanism configured to transmit the generated drive force toward the rotating member, the mechanism including an upstream gear and a downstream gear configured to receive the drive force therefrom; a sensor configured to output a signal indicating a rotational status of the rotating member; a control circuit configured to generate a control signal appropriate for non-uniform rotation of the rotating member, on the basis of the signal outputted by the sensor; and an actuator configured to cause a rotation axis of the first drive source or the transmission mechanism to pivot, in accordance with the control signal, thereby changing a force with which the upstream gear pushes the downstream gear into rotation such that the non-uniform rotation is cancelled out.
摘要翻译： 一种图像形成装置，具有：适于支撑图像的旋转构件; 配置为产生驱动力的第一驱动源; 传动机构，其构造成将所产生的驱动力传递给所述旋转构件，所述机构包括构造成从其接收驱动力的上游齿轮和下游齿轮; 传感器，被配置为输出表示所述旋转部件的旋转状态的信号; 控制电路，其被配置为基于由所述传感器输出的信号产生适于旋转构件的不均匀旋转的控制信号; 以及致动器，其构造成根据控制信号使第一驱动源或变速机构的旋转轴线枢转，从而改变上游齿轮将下游齿轮推动到旋转中的力，使得不均匀旋转 被取消了
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公开(公告)号：US09208413B2
公开(公告)日：2015-12-08
申请号：US13950833
申请日：2013-07-25
申请人： Konica Minolta, Inc.
发明人： Yoshiyuki Toso , Tadayasu Sekioka , Naotoshi Kawai , So Yano , Noboru Oomoto , Takashi Fujiwara
CPC分类号： G06K15/1878 , G06F3/1208 , G06F3/1244 , H04N1/46
摘要： A color correcting system mountable in an image forming apparatus comprises an imaging unit configured to perform image formation and a control unit configured to acquire a control parameter for use in image formation by the imaging unit and a status parameter indicating a status at the time of image formation. If a value for a color in an image formed by the imaging unit does not exceed a first threshold, and at least one member selected from the group consisting of adhering toner amount, gloss, line width, and line position for the image formed by the imaging unit does not exceed a second threshold, the control unit is configured to determine a control parameter on the basis of the acquired control parameter and the acquired status parameter, such that at least a color difference decreases.
摘要翻译： 可安装在图像形成装置中的颜色校正系统包括被配置为执行图像形成的成像单元和被配置为获取用于由成像单元进行图像形成的控制参数的控制单元和指示图像时的状态的状态参数 形成。 如果由成像单元形成的图像中的颜色的值不超过第一阈值，并且从由以下组成的组中选择的至少一个构件组成：由粘附调色剂量，光泽度，线宽度和线形位置 成像单元不超过第二阈值，则控制单元被配置为基于所获取的控制参数和获取的状态参数来确定控制参数，使得至少色差减小。
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公开(公告)号：US09927743B2
公开(公告)日：2018-03-27
申请号：US15381412
申请日：2016-12-16
申请人： Konica Minolta, Inc.
发明人： Noboru Oomoto , Tadayasu Sekioka , Sayaka Morita , Keita Saito
IPC分类号： G03G15/20
CPC分类号： G03G15/2028 , G03G15/2017 , G03G2215/2045
摘要： A fixing device is equipped with a lower pressure roller, an upper pressure roller and a fixing belt which fix a toner image onto a sheet, by holding and conveying the sheet by a nip portion, and a control unit which controls rotation of the lower pressure roller. The control unit periodically changes a velocity of rotational drive of the lower pressure roller, at a frequency of which a period is shorter than a time needed for the sheet to pass through the nip portion, when the sheet passes through the nip portion.
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公开(公告)号：US09096399B2
公开(公告)日：2015-08-04
申请号：US14144782
申请日：2013-12-31
申请人： KONICA MINOLTA, INC.
CPC分类号： B65H3/128 , B65H3/48 , B65H7/02 , B65H2404/264 , B65H2405/15 , B65H2405/312 , B65H2405/332 , B65H2406/362 , B65H2406/3662 , B65H2511/22 , B65H2515/212 , B65H2553/42 , B65H2701/1311 , B65H2801/06 , B65H2220/01 , B65H2220/02 , B65H2220/03
摘要： A sheet feeding device having: a blowing device configured to blow air toward the stack of sheets placed in a predetermined stacking direction, thereby floating at least a top sheet from the stack; a suction/transportation mechanism that includes a suction belt provided above the mounting portion and configured to attract the top sheet floated by the blowing device to transport the attracted sheet in a predetermined transportation direction; and an image pickup device configured to capture images of the top sheet and the next sheet therebelow, and disposed so as to see through an area where a side of the top sheet and the suction belt, when viewed in a plan view in the stacking direction, are close to each other during the floating of the top sheet, to such an extent that the side of the top sheet essentially does not hang downward.
摘要翻译： 一种送纸装置，具有：送风装置，被配置为朝向堆叠的纸张堆放方向吹送空气，从而使堆叠中的至少顶片浮起; 吸入/输送机构，其包括设置在所述安装部分上方并被构造成吸引由所述吹塑装置浮动的所述顶片的吸引带，以沿预定的输送方向输送所述被吸引的片材; 以及图像拾取装置，被配置为捕获顶片和下一个片材的图像，并且被设置为在沿着堆叠方向的俯视图中观察顶片和吸引带的侧面的区域 在顶片的浮动期间彼此靠近，使得顶片的侧面基本上不会向下悬挂的程度。
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公开(公告)号：US20140191461A1
公开(公告)日：2014-07-10
申请号：US14144782
申请日：2013-12-31
申请人： Konica Minolta, Inc.
CPC分类号： B65H3/128 , B65H3/48 , B65H7/02 , B65H2404/264 , B65H2405/15 , B65H2405/312 , B65H2405/332 , B65H2406/362 , B65H2406/3662 , B65H2511/22 , B65H2515/212 , B65H2553/42 , B65H2701/1311 , B65H2801/06 , B65H2220/01 , B65H2220/02 , B65H2220/03
摘要： A sheet feeding device having: a blowing device configured to blow air toward the stack of sheets placed in a predetermined stacking direction, thereby floating at least a top sheet from the stack; a suction/transportation mechanism that includes a suction belt provided above the mounting portion and configured to attract the top sheet floated by the blowing device to transport the attracted sheet in a predetermined transportation direction; and an image pickup device configured to capture images of the top sheet and the next sheet therebelow, and disposed so as to see through an area where a side of the top sheet and the suction belt, when viewed in a plan view in the stacking direction, are close to each other during the floating of the top sheet, to such an extent that the side of the top sheet essentially does not hang downward.
摘要翻译： 一种送纸装置，具有：送风装置，被配置为朝向堆叠的纸张堆放方向吹送空气，从而使堆叠中的至少一个顶片浮起; 吸入/输送机构，其包括设置在所述安装部分上方并被构造成吸引由所述吹塑装置浮动的所述顶片的吸引带，以沿预定的输送方向输送所述被吸引的片材; 以及图像拾取装置，被配置为捕获顶片和下一个片材的图像，并且被设置为在沿着堆叠方向的俯视图中观察顶片和吸引带的侧面的区域 在顶片的浮动期间彼此靠近，使得顶片的侧面基本上不会向下悬挂的程度。
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公开(公告)号：US09771228B2
公开(公告)日：2017-09-26
申请号：US14331346
申请日：2014-07-15
申请人： KONICA MINOLTA, INC.
CPC分类号： B65H5/224 , B65H3/128 , B65H3/48 , B65H5/228 , B65H7/14 , B65H7/16 , B65H2511/51 , B65H2515/342 , B65H2553/42 , B65H2220/02 , B65H2220/01
摘要： A sheet feeding device has a mounting portion allowing a stack of sheets to be mounted in a top-bottom direction, a suction/transportation portion provided above the mounting portion for attracting a first sheet positioned on top of the stack, and a blowing portion for blowing air to a foremost edge of the first sheet in a transportation direction while the first sheet is being attracted by the suction/transportation portion, thereby separating the first sheet from a second sheet next to the first sheet. After the first sheet is separated from the second sheet, the suction/transportation portion transports the first sheet in the transportation direction. The suction/transportation portion sets a suction force applied to the foremost edge of the first sheet smaller when the blowing portion blows air to the first sheet than when the suction/transportation portion transports the first sheet.
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公开(公告)号：US20140079436A1
公开(公告)日：2014-03-20
申请号：US14030318
申请日：2013-09-18
申请人： Konica Minolta, Inc.
IPC分类号： G03G15/00
CPC分类号： G03G15/757
摘要： An image forming apparatus having: a rotating member adapted to support an image; a first drive source configured to generate a drive force; a transmission mechanism configured to transmit the generated drive force toward the rotating member, the mechanism including an upstream gear and a downstream gear configured to receive the drive force therefrom; a sensor configured to output a signal indicating a rotational status of the rotating member; a control circuit configured to generate a control signal appropriate for non-uniform rotation of the rotating member, on the basis of the signal outputted by the sensor; and an actuator configured to cause a rotation axis of the first drive source or the transmission mechanism to pivot, in accordance with the control signal, thereby changing a force with which the upstream gear pushes the downstream gear into rotation such that the non-uniform rotation is cancelled out.
摘要翻译： 一种图像形成装置，具有：适于支撑图像的旋转构件; 配置为产生驱动力的第一驱动源; 传动机构，其构造成将所产生的驱动力传递给所述旋转构件，所述机构包括构造成从其接收驱动力的上游齿轮和下游齿轮; 传感器，被配置为输出表示所述旋转部件的旋转状态的信号; 控制电路，其被配置为基于由所述传感器输出的信号产生适于旋转构件的不均匀旋转的控制信号; 以及致动器，其构造成根据控制信号使第一驱动源或变速机构的旋转轴线枢转，从而改变上游齿轮将下游齿轮推动到旋转中的力，使得不均匀旋转 被取消了
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公开(公告)号：US09857738B2
公开(公告)日：2018-01-02
申请号：US15159510
申请日：2016-05-19
申请人： KONICA MINOLTA, INC.
发明人： Keita Saito , Noboru Oomoto , Shinichi Yabuki , Tadayasu Sekioka
CPC分类号： G03G15/2017 , G03G15/2039 , G03G21/206 , G03G2215/2032
摘要： In a fixing device for fixing a toner image to a recording medium by heating and pressing the recording medium with transferred toner image between a heat fixing member and a pressure member, a fixing-member housing is disposed on an outer peripheral side of the heat fixing member, while a reflection member is attached to an inner side of the fixing-member housing opposed to the heat fixing member. Air blown by an air blower is circulated through space between the fixing-member housing and the heat fixing member.
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公开(公告)号：US09340384B2
公开(公告)日：2016-05-17
申请号：US14832789
申请日：2015-08-21
申请人： KONICA MINOLTA, INC.
CPC分类号： B65H7/14 , B65H3/128 , B65H3/48 , B65H2405/15 , B65H2511/22 , B65H2515/342 , B65H2515/60 , B65H2553/42 , B65H2553/46 , G03G15/6511 , G03G21/206 , G03G2215/00721 , B65H2220/01 , B65H2220/03 , B65H2220/02
摘要： A sheet feeder having: a base portion configured to support thereon a stack of sheets piled on top of another; a blower configured to blow air to the stack of sheets supported on the base portion so as to float one or more sheets in an uppermost portion of the stack of sheets; a suction/feed system located above the base portion, the suction/feed system configured to suck the sheet floated by the blower and to feed the sheet in a predetermined feeding direction; a photographic device configured to take a picture of the one or more sheets floated by the blower; and an illuminating device configured to emit light to the one or more sheets floated by the blower a plurality of times during one exposure process carried out by the photographic device.
摘要翻译： 一种供纸器，具有：基部，其构造成在其上支撑堆叠在另一个顶部上的堆叠; 鼓风机，其构造为将空气吹送到支撑在所述基部上的所述纸张堆叠，以使所述纸张堆的最上部分中的一个或多个纸张浮动; 位于所述基部上方的吸入/供给系统，所述吸入/供给系统被配置为吸引由所述鼓风机浮动的所述片材并且沿预定的进给方向进给所述片材; 被配置为拍摄由所述鼓风机浮动的所述一个或多个片材的照片的照相装置; 以及照明装置，其被配置为在由所述照相装置执行的一次曝光处理期间，多次对由所述鼓风机浮动的所述一个或多个片材发光。
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