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1. 发明授权

US09195183B2 Image forming apparatus with conveyance unit to regulate passage of recording medium 有权
标题翻译：具有传送单元的图像形成装置，用于调节记录介质的通过
公开(公告)号：US09195183B2
公开(公告)日：2015-11-24
申请号：US14473448
申请日：2014-08-29
申请人： Ryota Yamashina , Hiroshi Seo , Takashi Seto , Arinobu Yoshiura
发明人： Ryota Yamashina , Hiroshi Seo , Takashi Seto , Arinobu Yoshiura
IPC分类号： G03G15/20
CPC分类号： G03G15/2028 , G03G15/5054
摘要： An image forming apparatus includes a conveyance passage unit, a fixing device, an optical sensor, a fixing condition adjuster, and a regulator. A recording medium passes through the conveyance passage unit. The fixing device fixes a toner image onto the recording medium. The optical sensor includes a light-emitting device and a light-receiving device to detect smoothness of the recording medium according to strength of light received. The fixing condition adjuster adjusts fixing conditions according to the smoothness detected. The regulator is disposed in the conveyance passage unit to regulate conveyance of the recording medium, such that at least a part of the recording medium passes through an irradiated area including an intersection that is determined by an emission angle of a first optical axis of light emitted by the light-emitting device and a reflection angle of a second optical axis of light received by the light-receiving device.
摘要翻译：图像形成装置包括输送通道单元，定影装置，光学传感器，定影条件调节器和调节器。记录介质通过输送通道单元。定影装置将调色剂图像固定到记录介质上。光学传感器包括发光装置和光接收装置，用于根据所接收的光的强度检测记录介质的平滑度。固定条件调节器根据检测到的平滑度调整固定条件。调节器设置在输送通道单元中以调节记录介质的输送，使得记录介质的至少一部分通过包括由发射的第一光轴的发射角确定的交点的照射区域并且由光接收装置接收的光的第二光轴的反射角。

2. 发明申请

US20150071661A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20150071661A1
公开(公告)日：2015-03-12
申请号：US14473448
申请日：2014-08-29
申请人： Ryota Yamashina , Hiroshi Seo , Takashi Seto , Arinobu Yoshiura
发明人： Ryota Yamashina , Hiroshi Seo , Takashi Seto , Arinobu Yoshiura
IPC分类号： G03G15/20
CPC分类号： G03G15/2028 , G03G15/5054
摘要： An image forming apparatus includes a conveyance passage unit, a fixing device, an optical sensor, a fixing condition adjuster, and a regulator. A recording medium passes through the conveyance passage unit. The fixing device fixes a toner image onto the recording medium. The optical sensor includes a light-emitting device and a light-receiving device to detect smoothness of the recording medium according to strength of light received. The fixing condition adjuster adjusts fixing conditions according to the smoothness detected. The regulator is disposed in the conveyance passage unit to regulate conveyance of the recording medium, such that at least a part of the recording medium passes through an irradiated area including an intersection that is determined by an emission angle of a first optical axis of light emitted by the light-emitting device and a reflection angle of a second optical axis of light received by the light-receiving device.
摘要翻译：图像形成装置包括输送通道单元，定影装置，光学传感器，定影条件调节器和调节器。记录介质通过输送通道单元。定影装置将调色剂图像固定到记录介质上。光学传感器包括发光装置和光接收装置，用于根据所接收的光的强度检测记录介质的平滑度。固定条件调节器根据检测到的平滑度调整固定条件。调节器设置在输送通道单元中以调节记录介质的输送，使得记录介质的至少一部分通过包括由发射的第一光轴的发射角确定的交点的照射区域并且由光接收装置接收的光的第二光轴的反射角。

3. 发明授权

US09176438B2 Image forming apparatus and method of arranging sheet detector 有权
标题翻译：图像形成装置和纸张检测器的布置方法
公开(公告)号：US09176438B2
公开(公告)日：2015-11-03
申请号：US14193260
申请日：2014-02-28
申请人： Ryota Yamashina , Takumi Waida , Hiroshi Seo , Takashi Seto
发明人： Ryota Yamashina , Takumi Waida , Hiroshi Seo , Takashi Seto
IPC分类号： G03G15/00 , G03G15/20
CPC分类号： G03G15/2046 , G03G15/5029 , G03G15/6588 , G03G2215/00599 , G03G2215/00603 , G03G2215/00751
摘要： An image forming apparatus includes an image forming device to form a toner image on a recording medium under a prescribed image forming condition, a fixing device to fix the toner image borne on the recording medium thereonto by heating the recording medium based on target fixing temperature, and a detector to detect a type of recording medium. The type is used in setting at least one of the image forming condition and the target fixing temperature. The inequality Tb>Ta is established when Ta represents a time period needed to reach a setting of fixing temperature allocated to the recording medium with its tip detected by the detector after detection of the tip and Tb represents a time period needed for the recording medium with its tip detected by the detector to reach the fixing device after detection of the tip.
摘要翻译：图像形成装置包括在规定的图像形成条件下在记录介质上形成调色剂图像的图像形成装置，通过基于目标定影温度加热记录介质将调色剂图像承载在其上的定影装置，以及检测器，用于检测记录介质的类型。该类型用于设置图像形成条件和目标定影温度中的至少一个。当Ta表示在检测到尖端后由检测器检测到的尖端到达分配给记录介质的定影温度的设置所需的时间段时，建立不等式Tb> Ta，Tb表示记录介质所需的时间段，其检测器的尖端在检测到尖端后到达定影装置。

4. 发明申请

US20140270822A1 IMAGE FORMING APPARATUS AND METHOD OF ARRANGING SHEET DETECTOR 有权
标题翻译：图像形成装置和安装板检测器的方法
公开(公告)号：US20140270822A1
公开(公告)日：2014-09-18
申请号：US14193260
申请日：2014-02-28
申请人： Ryota YAMASHINA , Takumi Waida , Hiroshi Seo , Takashi Seto
发明人： Ryota YAMASHINA , Takumi Waida , Hiroshi Seo , Takashi Seto
IPC分类号： G03G15/20
CPC分类号： G03G15/2046 , G03G15/5029 , G03G15/6588 , G03G2215/00599 , G03G2215/00603 , G03G2215/00751
摘要： An image forming apparatus includes an image forming device to form a toner image on a recording medium under a prescribed image forming condition, a fixing device to fix the toner image borne on the recording medium thereonto by heating the recording medium based on target fixing temperature, and a detector to detect a type of recording medium. The type is used in setting at least one of the image forming condition and the target fixing temperature. The inequality Tb>Ta is established when Ta represents a time period needed to reach a setting of fixing temperature allocated to the recording medium with its tip detected by the detector after detection of the tip and Tb represents a time period needed for the recording medium with its tip detected by the detector to reach the fixing device after detection of the tip.
摘要翻译：图像形成装置包括在规定的图像形成条件下在记录介质上形成调色剂图像的图像形成装置，通过基于目标定影温度加热记录介质将调色剂图像承载在其上的定影装置，以及检测器，用于检测记录介质的类型。该类型用于设置图像形成条件和目标定影温度中的至少一个。当Ta表示在检测到尖端后由检测器检测到的尖端到达分配给记录介质的定影温度的设置所需的时间段时，建立不等式Tb> Ta，Tb表示记录介质所需的时间段，其检测器的尖端在检测到尖端后到达定影装置。

5. 发明授权

US09829840B2 Fixing device and image forming apparatus 有权
公开(公告)号：US09829840B2
公开(公告)日：2017-11-28
申请号：US15011886
申请日：2016-02-01
申请人： Takashi Seto , Kenji Ishii , Susumu Matsusaka , Yasuhiko Ogino , Shohta Kobashigawa , Kazuhito Kishi , Ippei Fujimoto , Kazunari Sawada , Hiroshi Yoshinaga , Hiromasa Takagi , Takamasa Hase , Hiroshi Seo
发明人： Takashi Seto , Kenji Ishii , Susumu Matsusaka , Yasuhiko Ogino , Shohta Kobashigawa , Kazuhito Kishi , Ippei Fujimoto , Kazunari Sawada , Hiroshi Yoshinaga , Hiromasa Takagi , Takamasa Hase , Hiroshi Seo
IPC分类号： G03G15/20
CPC分类号： G03G15/2053 , G03G15/2042 , G03G2215/0132 , G03G2215/2035
摘要： A fixing device includes a nip formation pad that presses against a pressure rotator via an endless belt to form a fixing nip between the belt and the pressure rotator, through which a recording medium bearing a toner image is conveyed. A fixing heater is disposed opposite at least a center span of a conveyance span of the belt in an axial direction thereof where the recording medium is conveyed to heat the belt. A first lateral end heater and a second lateral end heater are mounted on the nip formation pad and disposed opposite a first lateral end span and a second lateral end span of an inner circumferential surface of the belt in the axial direction thereof, respectively, to heat the belt. The second lateral end heater is electrically connected in series to the first lateral end heater.

6. 发明授权

US09612556B2 Fixing device and image forming apparatus 有权
公开(公告)号：US09612556B2
公开(公告)日：2017-04-04
申请号：US15052450
申请日：2016-02-24
申请人： Yasuhiko Ogino , Kenji Ishii , Takashi Seto , Ippei Fujimoto , Kazuhito Kishi , Kazunari Sawada , Hiroshi Yoshinaga , Hiromasa Takagi , Takamasa Hase , Hiroshi Seo , Susumu Matsusaka , Shohta Kobashigawa
发明人： Yasuhiko Ogino , Kenji Ishii , Takashi Seto , Ippei Fujimoto , Kazuhito Kishi , Kazunari Sawada , Hiroshi Yoshinaga , Hiromasa Takagi , Takamasa Hase , Hiroshi Seo , Susumu Matsusaka , Shohta Kobashigawa
IPC分类号： G03G15/20
CPC分类号： G03G15/2053 , G03G15/2064 , G03G2215/2035
摘要： A fixing device includes a heater to generate heat and a fixing rotator to rotate while contacting the heater. A pressure rotator presses against the heater via the fixing rotator to form a fixing nip between the fixing rotator and the pressure rotator, through which a recording medium bearing a toner image is conveyed. The heater includes an insulative substrate and a resistive heat generation layer mounted on the substrate. The resistive heat generation layer is disposed upstream from a center of the fixing nip in a recording medium conveyance direction.

7. 发明授权

US09678460B2 Fixing device, image forming apparatus, and fixing method 有权
公开(公告)号：US09678460B2
公开(公告)日：2017-06-13
申请号：US15063769
申请日：2016-03-08
申请人： Takamasa Hase , Susumu Matsusaka , Yasuhiko Ogino , Shohta Kobashigawa , Kenji Ishii , Kazuhito Kishi , Takashi Seto , Hiroshi Seo , Ippei Fujimoto , Hiroshi Yoshinaga , Hiromasa Takagi , Kazunari Sawada
发明人： Takamasa Hase , Susumu Matsusaka , Yasuhiko Ogino , Shohta Kobashigawa , Kenji Ishii , Kazuhito Kishi , Takashi Seto , Hiroshi Seo , Ippei Fujimoto , Hiroshi Yoshinaga , Hiromasa Takagi , Kazunari Sawada
IPC分类号： G03G15/20
CPC分类号： G03G15/2039 , G03G15/2042 , G03G2215/0132 , G03G2215/2035
摘要： A fixing device includes a primary heater, a secondary heater, and a tertiary heater to heat a primary heating span, a secondary heating span, and a tertiary heating span of a fixing rotator, respectively. A primary temperature detector and a secondary temperature detector detect a temperature of the fixing rotator. A tertiary temperature detector detects a temperature of a pressure rotator. A controller selectively performs a primary control mode to de-energize the tertiary heater and a secondary control mode to connect the secondary heater and the tertiary heater in series to energize the primary heater, the secondary heater, and the tertiary heater. The controller energizes the secondary heater and the tertiary heater in the secondary control mode based on the temperature of the fixing rotator and the pressure rotator detected by the secondary temperature detector and the tertiary temperature detector, respectively.

8. 发明申请

US20160334742A1 FIXING DEVICE AND IMAGE FORMING APPARATUS 有权
标题翻译：固定装置和图像形成装置
公开(公告)号：US20160334742A1
公开(公告)日：2016-11-17
申请号：US15144055
申请日：2016-05-02
申请人： Shohta KOBASHIGAWA , Kenji Ishii , Kazuhito Kishi , Takayuki Seki , Hiroshi Yoshinaga , Takashi Seto , Hiromasa Takagi , Ippei Fujimoto , Hiroshi Seo , Takamasa Hase , Kazunari Sawada , Yasuhiko Ogino
发明人： Shohta KOBASHIGAWA , Kenji Ishii , Kazuhito Kishi , Takayuki Seki , Hiroshi Yoshinaga , Takashi Seto , Hiromasa Takagi , Ippei Fujimoto , Hiroshi Seo , Takamasa Hase , Kazunari Sawada , Yasuhiko Ogino
IPC分类号： G03G15/20
CPC分类号： G03G15/2053 , G03G2215/2035
摘要： A fixing device includes a primary heater disposed opposite a fixing rotator to heat a circumferential span of the fixing rotator other than a fixing nip formed between the fixing rotator and a pressure rotator and a secondary heater disposed outboard from the primary heater in an axial direction of the fixing rotator to heat the fixing rotator at the fixing nip. The primary heater and the secondary heater heat a bi-heating span of the fixing rotator in the axial direction thereof. The secondary heater heats a mono-heating span of the fixing rotator in the axial direction thereof and generates a decreased amount of heat to be conducted to the bi-heating span of the fixing rotator. The decreased amount of heat is smaller than an increased amount of heat to be conducted to the mono-heating span of the fixing rotator that is heated by the secondary heater only.
摘要翻译：定影装置包括与固定旋转体相对设置的主加热器，用于加热固定旋转器的周向跨度，而不是在固定旋转体和压力旋转体之间形成的定影辊隙和从主加热器的外侧沿轴向方向设置的二次加热器固定旋转器用于在定影辊隙处加热定影旋转器。主加热器和二次加热器沿固定转子的轴向加热固定转子的双加热跨度。二次加热器沿固定旋转器的轴向加热固定旋转器的单加热跨度，并且产生传导到定影旋转器的双加热跨度的减少的热量。减少的热量小于仅由二次加热器加热的定影转子的单加热跨度的加热量。

9. 发明授权

US09851663B2 Fixing device and image forming apparatus 有权
公开(公告)号：US09851663B2
公开(公告)日：2017-12-26
申请号：US15144055
申请日：2016-05-02
申请人： Shohta Kobashigawa , Kenji Ishii , Kazuhito Kishi , Takayuki Seki , Hiroshi Yoshinaga , Takashi Seto , Hiromasa Takagi , Ippei Fujimoto , Hiroshi Seo , Takamasa Hase , Kazunari Sawada , Yasuhiko Ogino
发明人： Shohta Kobashigawa , Kenji Ishii , Kazuhito Kishi , Takayuki Seki , Hiroshi Yoshinaga , Takashi Seto , Hiromasa Takagi , Ippei Fujimoto , Hiroshi Seo , Takamasa Hase , Kazunari Sawada , Yasuhiko Ogino
IPC分类号： G03G15/20
CPC分类号： G03G15/2053 , G03G2215/2035
摘要： A fixing device includes a primary heater disposed opposite a fixing rotator to heat a circumferential span of the fixing rotator other than a fixing nip formed between the fixing rotator and a pressure rotator and a secondary heater disposed outboard from the primary heater in an axial direction of the fixing rotator to heat the fixing rotator at the fixing nip. The primary heater and the secondary heater heat a bi-heating span of the fixing rotator in the axial direction thereof. The secondary heater heats a mono-heating span of the fixing rotator in the axial direction thereof and generates a decreased amount of heat to be conducted to the bi-heating span of the fixing rotator. The decreased amount of heat is smaller than an increased amount of heat to be conducted to the mono-heating span of the fixing rotator that is heated by the secondary heater only.

10. 发明授权

US09715201B2 Fixing device and image forming apparatus including a rotation load applicator 有权
公开(公告)号：US09715201B2
公开(公告)日：2017-07-25
申请号：US15182034
申请日：2016-06-14
申请人： Takamasa Hase , Takashi Fujita , Seiji Saitoh , Kenji Ishii , Akiyasu Amita , Kenichi Hasegawa , Takashi Seto , Tetsuo Tokuda , Hiroshi Seo , Hironori Yamaoka
发明人： Takamasa Hase , Takashi Fujita , Seiji Saitoh , Kenji Ishii , Akiyasu Amita , Kenichi Hasegawa , Takashi Seto , Tetsuo Tokuda , Hiroshi Seo , Hironori Yamaoka
IPC分类号： G03G15/20
CPC分类号： G03G15/2053 , G03G15/2064 , G03G2215/0636 , G03G2215/20 , G03G2215/2032 , G03G2215/2035
摘要： A fixing device includes a fixing rotator rotatable in a predetermined direction of rotation and a pressure rotator to press against the fixing rotator to form a fixing nip therebetween, through which a recording medium bearing a toner image is conveyed. A rotation load applicator is coupled to one of the fixing rotator and the pressure rotator to apply a rotation load to the one of the fixing rotator and the pressure rotator. The rotation load is in a range of from 0.1 Nm to 0.6 Nm.

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