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1. 发明授权

US09069302B2 Fixing device and image forming apparatus including same 有权
标题翻译：固定装置及其成像装置
公开(公告)号：US09069302B2
公开(公告)日：2015-06-30
申请号：US14167121
申请日：2014-01-29
申请人： Masahiro Samei , Takumi Waida , Hiroshi Ono , Takeshi Yamamoto , Ippei Fujimoto , Hiroshi Seo , Yasunori Ishigaya , Kazuhito Kishi , Ryota Yamashina
发明人： Masahiro Samei , Takumi Waida , Hiroshi Ono , Takeshi Yamamoto , Ippei Fujimoto , Hiroshi Seo , Yasunori Ishigaya , Kazuhito Kishi , Ryota Yamashina
IPC分类号： G03G15/20
CPC分类号： G03G15/2039 , G03G2215/2035
摘要： A fixing device includes a fixing rotary body, an opposed member, a heater, and a heating controller. The opposed member opposes the fixing rotary body to form a nipping portion therebetween. The heater includes heat generators arranged in a width direction of a recording medium. When the recording medium fed to the nipping portion has an image area and a non-image area, the heating controller controls the outputs of the heat generators based on image information so that a first heat generator of the heat generators corresponding to the image area is higher in temperature and a second heat generator of the heat generators corresponding to the non-image area is lower in temperature. Based on information other than the image information, the heating controller temporarily shifts an area of the fixing rotary body corresponding to the non-image area to a temperature differing from a normal temperature.
摘要翻译：定影装置包括固定旋转体，相对构件，加热器和加热控制器。相对的构件与固定旋转体相对，以在它们之间形成夹紧部分。加热器包括沿记录介质的宽度方向布置的热发生器。当馈送到夹持部分的记录介质具有图像区域和非图像区域时，加热控制器基于图像信息控制发热体的输出，使得与图像区域对应的热发生器的第一热发生器为对应于非图像区域的发热体的温度越高，第二发热体的温度越低。基于除了图像信息之外的信息，加热控制器将与非图像区域相对应的定影旋转体的区域临时移动到与正常温度不同的温度。

2. 发明授权

US08965230B2 Fixing device 有权
标题翻译：固定装置
公开(公告)号：US08965230B2
公开(公告)日：2015-02-24
申请号：US13753827
申请日：2013-01-30
申请人： Ryota Yamashina , Hiroshi Seo , Ippei Fujimoto , Takumi Waida
发明人： Ryota Yamashina , Hiroshi Seo , Ippei Fujimoto , Takumi Waida
IPC分类号： G03G15/20
CPC分类号： G03G15/205 , G03G2215/2029
摘要： A fixing device includes a rotatable fuser member, a rotatable pressure member, a heater, and a controller. The rotatable fuser member is subjected to heating. The rotatable pressure member is disposed opposite the fuser member. The pressure member presses against the fuser member to form a fixing nip therebetween, through which multiple recording media, each spaced apart from each other by an interval distance in a conveyance direction, are sequentially conveyed at a conveyance speed. The heater is disposed adjacent to the fuser member to heat the fuser member. The controller is operatively connected to the heater to control power supply to the heater through a series of on-off switching control cycles, each including an on-time during which the heater power supply is on, and an off-time during which the heater power supply is off, in synchronization with conveyance of the recording medium.
摘要翻译：定影装置包括可旋转的定影器构件，可旋转的压力构件，加热器和控制器。可旋转的定影器构件经受加热。可旋转的压力构件设置成与定影器构件相对。压力构件压靠定影部件，在其间形成定影辊隙，通过该定影辊将输送方向间隔开的多个记录介质以传送速度依次传送。加热器邻近定影器构件设置以加热定影器构件。控制器可操作地连接到加热器，以通过一系列开 - 关切换控制循环来控制对加热器的供电，每个开关控制周期包括加热器电源打开的导通时间和加热器电源打开期间的关闭时间与记录介质的输送同步，电源关闭。

3. 发明申请

US20140227001A1 FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME 有权
标题翻译：固定装置和图像形成装置，包括它们
公开(公告)号：US20140227001A1
公开(公告)日：2014-08-14
申请号：US14174134
申请日：2014-02-06
申请人： Kazuhito KISHI , Takumi Waida , Masahiro Samei , Hiroshi Ono , Takeshi Yamamoto , Ippei Fujimoto , Hiroshi Seo , Ryota Yamashina , Yasunori Ishigaya , Takashi Fujita
发明人： Kazuhito KISHI , Takumi Waida , Masahiro Samei , Hiroshi Ono , Takeshi Yamamoto , Ippei Fujimoto , Hiroshi Seo , Ryota Yamashina , Yasunori Ishigaya , Takashi Fujita
IPC分类号： G03G15/20
CPC分类号： G03G15/2042
摘要： A fixing device includes a rotatable fixing member to rotate while contacting an unfixed image; a pressure member to form a fixing nip with the fixing member; a heating member having a plurality of heating elements divided in a direction perpendicular to a conveyance direction of a sheet; a heat performance sensor to detect heating performance of each heating element of the heating member, and an controller to control the heating member. The controller controls each heating element independently such that a temperature of a portion of the fixing member corresponding to a blank area becomes lower than the temperature of a portion of the fixing member corresponding to an image area; and controls the temperature to be maintained at each heating element based on the detection result of the heating performance of each heating element detected by the heat performance sensor.
摘要翻译：固定装置包括可旋转的固定构件，以在接触未定影图像的同时旋转; 压力构件，用于与所述固定构件形成定影辊隙; 加热构件，其具有沿与片材的输送方向垂直的方向分割的多个加热元件; 用于检测加热构件的每个加热元件的加热性能的热性能传感器，以及用于控制加热构件的控制器。控制器独立地控制每个加热元件，使得对应于空白区域的固定构件的一部分的温度变得低于对应于图像区域的固定构件的一部分的温度; 并且根据由热性能传感器检测到的各加热元件的加热性能的检测结果来控制在各加热元件上保持的温度。

4. 发明申请

US20130209123A1 FIXING DEVICE 有权
公开(公告)号：US20130209123A1
公开(公告)日：2013-08-15
申请号：US13761848
申请日：2013-02-07
申请人： Takumi WAIDA , Hiroshi Seo , Ippei Fujimoto , Ryota Yamashina
发明人： Takumi WAIDA , Hiroshi Seo , Ippei Fujimoto , Ryota Yamashina
IPC分类号： G03G15/20
CPC分类号： G03G15/2078 , G03G15/2039 , G03G15/205 , G03G2215/00603 , G03G2215/2029
摘要： A fixing device includes a rotatable fuser member, a rotatable pressure member, a heater, and a controller. The rotatable fuser member is subjected to heating. The rotatable pressure member is disposed opposite the fuser member. The pressure member presses against the fuser member to form a fixing nip therebetween, through which multiple recording media, each spaced apart from each other by an interval distance in a conveyance direction, are sequentially conveyed at a conveyance speed. The heater is disposed adjacent to the fuser member to heat the fuser member. The controller is operatively connected to the heater to control power supply to the heater through a series of on-off switching control cycles, each including an on-time during which the heater power supply is on, and an off-time during which the heater power supply is off, in synchronization with conveyance of the recording medium.

5. 发明授权

US09122212B2 Fixing device and image forming apparatus including same 有权
标题翻译：固定装置及其成像装置
公开(公告)号：US09122212B2
公开(公告)日：2015-09-01
申请号：US14161078
申请日：2014-01-22
申请人： Ippei Fujimoto , Kazuhito Kishi , Masahiro Samei , Hiroshi Ono , Hiroshi Seo , Yasunori Ishigaya , Ryota Yamashina , Takumi Waida , Takeshi Yamamoto
发明人： Ippei Fujimoto , Kazuhito Kishi , Masahiro Samei , Hiroshi Ono , Hiroshi Seo , Yasunori Ishigaya , Ryota Yamashina , Takumi Waida , Takeshi Yamamoto
IPC分类号： G03G15/20
CPC分类号： G03G15/2042 , G03G2215/2035
摘要： A fixing device includes a fixing rotary body, an opposed member opposing the fixing rotary body to form a nipping portion, and a heater to heat the fixing rotary body. The heater includes heat generators arranged in a width direction of a recording medium and separately supplied with power. When an unfixed image on the medium has an image area and a non-image area, power supplied to each of the heat generators is controlled so that, of the heat generators, a first heat generator corresponding to the image area becomes a higher temperature and second heat generators corresponding to the non-image area becomes a lower temperature. When the second heat generators are adjacent to each other, power supplied to one of the second heat generators closer to the image area is set to be greater than power supplied to another of the second heat generators farther from the image area.
摘要翻译：定影装置包括固定旋转体，与定影旋转体相对的相对构件以形成夹持部分，以及加热器来加热定影旋转体。加热器包括沿记录介质的宽度方向布置并分开供电的发热体。当介质上的未定影图像具有图像区域和非图像区域时，控制供应给每个发热体的功率，使得在发热体中，对应于图像区域的第一热发生器变得更高温度，对应于非图像区域的第二热发生器变为较低温度。当第二发热体彼此相邻时，供给到靠近图像区域的第二热发生器中的一个的功率被设定为大于向图像区域更远的另一个第二发热体提供的功率。

6. 发明授权

US09075357B2 Fixing device and image forming apparatus including same 有权
标题翻译：固定装置及其成像装置
公开(公告)号：US09075357B2
公开(公告)日：2015-07-07
申请号：US14174134
申请日：2014-02-06
申请人： Kazuhito Kishi , Takumi Waida , Masahiro Samei , Hiroshi Ono , Takeshi Yamamoto , Ippei Fujimoto , Hiroshi Seo , Ryota Yamashina , Yasunori Ishigaya , Takashi Fujita
发明人： Kazuhito Kishi , Takumi Waida , Masahiro Samei , Hiroshi Ono , Takeshi Yamamoto , Ippei Fujimoto , Hiroshi Seo , Ryota Yamashina , Yasunori Ishigaya , Takashi Fujita
IPC分类号： G03G15/20
CPC分类号： G03G15/2042
摘要： A fixing device includes a rotatable fixing member to rotate while contacting an unfixed image; a pressure member to form a fixing nip with the fixing member; a heating member having a plurality of heating elements divided in a direction perpendicular to a conveyance direction of a sheet; a heat performance sensor to detect heating performance of each heating element of the heating member, and a controller to control the heating member. The controller controls each heating element independently such that a temperature of a portion of the fixing member corresponding to a blank area becomes lower than the temperature of a portion of the fixing member corresponding to an image area; and controls the temperature to be maintained at each heating element based on the detection result of the heating performance of each heating element detected by the heat performance sensor.
摘要翻译：固定装置包括可旋转的固定构件，以在接触未定影图像的同时旋转; 压力构件，用于与所述固定构件形成定影辊隙; 加热构件，其具有沿与片材的输送方向垂直的方向分割的多个加热元件; 用于检测加热构件的每个加热元件的加热性能的热性能传感器，以及用于控制加热构件的控制器。控制器独立地控制每个加热元件，使得对应于空白区域的固定构件的一部分的温度变得低于对应于图像区域的固定构件的一部分的温度; 并且根据由热性能传感器检测到的各加热元件的加热性能的检测结果来控制在各加热元件上保持的温度。

7. 发明授权

US08948641B2 Fixing device and control method used therein 有权
标题翻译：固定装置及其中使用的控制方法
公开(公告)号：US08948641B2
公开(公告)日：2015-02-03
申请号：US13759349
申请日：2013-02-05
申请人： Ippei Fujimoto , Hiroshi Seo , Ryota Yamashina , Takumi Waida
发明人： Ippei Fujimoto , Hiroshi Seo , Ryota Yamashina , Takumi Waida
IPC分类号： G03G15/20 , G03G13/20
CPC分类号： G03G15/205 , G03G13/20 , G03G15/2046 , G03G2215/2035
摘要： A fixing device includes a rotatable fuser member, a rotatable pressure member, a heater, a temperature detector, and a controller. The rotatable fuser member is subjected to heating. The rotatable pressure member is disposed opposite the fuser member. The pressure member presses against the fuser member to form a fixing nip therebetween. The heater is disposed adjacent to the fuser member to heat the fuser member. The temperature detector is directed to at least one of the fuser member, the pressure member, and the heater to detect an operational temperature of the fixing device. The controller is operatively connected to the temperature detector and the heater to control power supply to the heater according to readings of the temperature detector, so as to regulate the detected operational temperature at a setpoint temperature that is variable depending on a print page printed on the recording medium.
摘要翻译：定影装置包括可旋转的定影器构件，可旋转的压力构件，加热器，温度检测器和控制器。可旋转的定影器构件经受加热。可旋转的压力构件设置成与定影器构件相对。压力部件压靠定影部件，以在它们之间形成定影辊隙。加热器邻近定影器构件设置以加热定影器构件。温度检测器指向定影器构件，压力构件和加热器中的至少一个，以检测定影装置的操作温度。控制器可操作地连接到温度检测器和加热器，以根据温度检测器的读数来控制对加热器的供电，以便根据打印在印刷机上的打印页面可变的设定点温度调节检测到的操作温度记录介质。

8. 发明授权

US09411284B2 Fixing device 有权
公开(公告)号：US09411284B2
公开(公告)日：2016-08-09
申请号：US13761848
申请日：2013-02-07
申请人： Takumi Waida , Hiroshi Seo , Ippei Fujimoto , Ryota Yamashina
发明人： Takumi Waida , Hiroshi Seo , Ippei Fujimoto , Ryota Yamashina
IPC分类号： G03G15/20
CPC分类号： G03G15/2078 , G03G15/2039 , G03G15/205 , G03G2215/00603 , G03G2215/2029
摘要： A fixing device includes a rotatable fuser member, a rotatable pressure member, a heater, and a controller. The rotatable fuser member is subjected to heating. The rotatable pressure member is disposed opposite the fuser member. The pressure member presses against the fuser member to form a fixing nip therebetween, through which multiple recording media, each spaced apart from each other by an interval distance in a conveyance direction, are sequentially conveyed at a conveyance speed. The heater is disposed adjacent to the fuser member to heat the fuser member. The controller is operatively connected to the heater to control power supply to the heater through a series of on-off switching control cycles, each including an on-time during which the heater power supply is on, and an off-time during which the heater power supply is off, in synchronization with conveyance of the recording medium.

9. 发明授权

US08977156B2 Fixing device and image forming apparatus including same 有权
标题翻译：固定装置及其成像装置
公开(公告)号：US08977156B2
公开(公告)日：2015-03-10
申请号：US14173171
申请日：2014-02-05
申请人： Takeshi Yamamoto , Kazuhito Kishi , Takumi Waida , Masahiro Samei , Hiroshi Ono , Ippei Fujimoto , Hiroshi Seo , Ryota Yamashina , Yasunori Ishigaya
发明人： Takeshi Yamamoto , Kazuhito Kishi , Takumi Waida , Masahiro Samei , Hiroshi Ono , Ippei Fujimoto , Hiroshi Seo , Ryota Yamashina , Yasunori Ishigaya
IPC分类号： G03G15/20
CPC分类号： G03G15/2042 , G03G2215/2035
摘要： A fixing device includes a rotatable, endless fixing belt; a rotatable contact member configured to contact a circumferential surface of the fixing belt to form a nip in association with the fixing belt; and a heating member disposed at an interior surface of the fixing belt, configured to heat the fixing belt. The heating member includes a multiple heat sources arranged along the width of a sheet of recording media in a direction perpendicular to a sheet conveyance direction. A controller changes an area to be heated by each heat source based on image data and corresponding to an unfixed image on the sheet. The fixing belt is heated by the heating member so that the unfixed image on the sheet that has been conveyed to the nip is fixed onto the sheet at least with heat. The heating member is disposed at a portion other than the fixing nip.
摘要翻译：定影装置包括可旋转的环形定影带; 可旋转接触构件，其构造成接触所述定影带的周向表面以与所述定影带相关联地形成辊隙; 以及设置在所述定影带的内表面处的加热构件，其构造成加热所述定影带。加热构件包括沿垂直于片材输送方向的方向沿着记录介质片的宽度布置的多个热源。控制器基于图像数据改变每个热源要加热的区域，并对应于片材上的未定影图像。定影带被加热部件加热，使得已经输送到辊隙的片材上的未定影图像至少热固定在片材上。加热构件设置在定影夹持部以外的部分。

10. 发明授权

US09146512B2 Fixing device and image forming device 有权
标题翻译：固定装置和成像装置
公开(公告)号：US09146512B2
公开(公告)日：2015-09-29
申请号：US13761624
申请日：2013-02-07
申请人： Kazuya Saito , Takeshi Uchitani , Takamasa Hase , Shuutaroh Yuasa , Ippei Fujimoto , Shinichi Namekata , Ryota Yamashina , Hiroshi Seo , Takumi Waida
发明人： Kazuya Saito , Takeshi Uchitani , Takamasa Hase , Shuutaroh Yuasa , Ippei Fujimoto , Shinichi Namekata , Ryota Yamashina , Hiroshi Seo , Takumi Waida
IPC分类号： G03G15/20
CPC分类号： G03G15/2078 , G03G15/2039 , G03G15/2042 , G03G2215/2035
摘要： When calculating an actual turn-on duty based on a required duty according to a feedback control, the actual turn-on duty is corrected using a correction table or a correction conversion formula such that a required turn-on duty and the actual turn-on duty coincide with each other. A fixing heater is controlled according to the corrected actual turn-on duty.
摘要翻译：当根据反馈控制基于所需的占空比来计算实际接通占空比时，使用校正表或校正转换公式校正实际接通占空比，使得所需开启占空比和实际接通职责相互重合。固定加热器根据修正的实际接通功率进行控制。

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