公开(公告)号：US11054773B2

公开(公告)日：2021-07-06

申请号：US16784475

申请日：2020-02-07

申请人： Yuusuke Furuichi ,  Kenji Ishii ,  Kenichi Hasegawa ,  Takashi Fujita ,  Tomoya Adachi ,  Yukimichi Someya ,  Daisuke Inoue ,  Masahiro Samei ,  Takayuki Seki

发明人： Yuusuke Furuichi ,  Kenji Ishii ,  Kenichi Hasegawa ,  Takashi Fujita ,  Tomoya Adachi ,  Yukimichi Someya ,  Daisuke Inoue ,  Masahiro Samei ,  Takayuki Seki

IPC分类号： G03G15/20

摘要： A heater includes a base layer, a heat generator mounted on the base layer, and a slide layer mounted on the base layer. A sliding face of a counterpart slides over the slide layer. The slide layer is made of a material containing fluorine and includes a slide face that contacts the sliding face of the counterpart. The slide face of the slide layer has a surface roughness that is greater than a surface roughness of the sliding face of the counterpart.

公开(公告)号：US10802428B2

公开(公告)日：2020-10-13

申请号：US16451512

申请日：2019-06-25

申请人： Tomoya Adachi ,  Yuusuke Furuichi ,  Yukimichi Someya ,  Masahiro Samei ,  Takamasa Hase ,  Daisuke Inoue

发明人： Tomoya Adachi ,  Yuusuke Furuichi ,  Yukimichi Someya ,  Masahiro Samei ,  Takamasa Hase ,  Daisuke Inoue

IPC分类号： G03G15/20

摘要： An image forming apparatus includes a resistive heat generator, a temperature detector, and a power controller that detects a temperature-resistance property of the resistive heat generator before the resistive heat generator is used when the resistive heat generator is removably installed. The power controller obtains power supplied to the resistive heat generator and a change in a temperature of the resistive heat generator, that is detected by the temperature detector, while the power controller supplies the power at a predetermined power duty cycle for adjustment to the resistive heat generator. The power controller calculates the temperature-resistance property of the resistive heat generator based on the power and the change in the temperature that are obtained. The power controller adjusts a power duty cycle at which the power is supplied to the resistive heat generator in use of the resistive heat generator, based on the temperature-resistance property.

公开(公告)号：US20190286029A1

公开(公告)日：2019-09-19

申请号：US16352390

申请日：2019-03-13

申请人： Tomoya Adachi ,  Yuusuke Furuichi ,  Yukimichi Someya ,  Masahiro Samei

发明人： Tomoya Adachi ,  Yuusuke Furuichi ,  Yukimichi Someya ,  Masahiro Samei

IPC分类号： G03G15/20 ,  G03G15/00

摘要： An image forming apparatus includes a resistive heat generator and a power control device that controls power supplied to the resistive heat generator. The power control device supplies the power at a predetermined power duty cycle for adjustment to the resistive heat generator. The power control device adjusts a power duty cycle when the resistive heat generator is used.

公开(公告)号：US09740147B2

公开(公告)日：2017-08-22

申请号：US15158391

申请日：2016-05-18

申请人： Hitoshi Fujiwara ,  Tomoya Adachi ,  Tomohiko Fujii ,  Masahiro Samei ,  Yutaka Naitoh ,  Yoshiharu Takahashi ,  Yasuharu Kawarasaki ,  Kenta Kashiwagi ,  Kohta Sakaya

发明人： Hitoshi Fujiwara ,  Tomoya Adachi ,  Tomohiko Fujii ,  Masahiro Samei ,  Yutaka Naitoh ,  Yoshiharu Takahashi ,  Yasuharu Kawarasaki ,  Kenta Kashiwagi ,  Kohta Sakaya

IPC分类号： G03G15/20

CPC分类号： G03G15/2028

摘要： A separator for separating a recording medium from a fixing rotator includes a separation body including a front end and a conveyance path side face. The front end is disposed in proximity to an outer circumferential surface of the fixing rotator. The conveyance path side face faces a conveyance path where the recording medium is conveyed. At least one rotary separation aid projects beyond the conveyance path side face of the separation body toward the conveyance path. The rotary separation aid is rotated by the recording medium as the recording medium comes into contact with the rotary separation aid.

公开(公告)号：US09354567B2

公开(公告)日：2016-05-31

申请号：US13272629

申请日：2011-10-13

申请人： Takumi Waida ,  Ryota Yamashina ,  Yasunori Ishigaya ,  Masahiro Samei

发明人： Takumi Waida ,  Ryota Yamashina ,  Yasunori Ishigaya ,  Masahiro Samei

IPC分类号： G03G15/20

CPC分类号： G03G15/2046

摘要： A fixing device includes a rotatable fuser member a heater, a rotatable pressure member, a thermometer, and a feedback controller. The rotatable fuser member is subjected to heating. The heater heats the fuser member to a heating temperature. The rotatable pressure member is disposed opposite the fuser member. The fuser member and the pressure member are pressed against each other to form a fixing nip therebetween, through which the recording medium is conveyed, so as to fix the toner image in place under heat and pressure. The thermometer is disposed adjacent to the pressure member to detect an operational temperature of the pressure member. The feedback controller is operatively connected with the thermometer to control the heating temperature according to the detected operational temperature, so that the recording medium exhibits a substantially constant post-fixing temperature downstream from the fixing nip regardless of the heat capacity of the recording medium.

摘要翻译： 定影装置包括可旋转的定影器构件，加热器，可旋转压力构件，温度计和反馈控制器。 可旋转的定影器构件经受加热。 加热器将定影器加热至加热温度。 可旋转的压力构件设置成与定影器构件相对。 定影器构件和压力构件彼此挤压以在其间形成定影夹紧，通过该定影夹持物传送记录介质，以便在加热和压力下将调色剂图像固定就位。 温度计设置在与压力部件相邻的位置，以检测压力部件的工作温度。 反馈控制器与温度计可操作地连接，以根据检测到的操作温度来控制加热温度，使得记录介质在定影辊隙的下游表现出基本上恒定的后定影温度，而与记录介质的热容无关。

公开(公告)号：US09213281B2

公开(公告)日：2015-12-15

申请号：US13588594

申请日：2012-08-17

申请人： Yasunori Ishigaya ,  Masahiro Samei

发明人： Yasunori Ishigaya ,  Masahiro Samei

IPC分类号： G03G15/20

CPC分类号： G03G15/2053 ,  G03G15/2017 ,  G03G2215/2035

摘要： A fixing device includes a heat generator including a first non-conductive portion having a first width in an axial direction of the heat generator and a second non-conductive portion spaced apart from the first non-conductive portion in a circumferential direction of the heat generator and having a second width in the axial direction of the heat generator that is smaller than the first width of the first non-conductive portion. The heat generator is movable between a first heating position where the first non-conductive portion is disposed opposite an exciting coil unit and a second heating position where the second non-conductive portion is disposed opposite the exciting coil unit.

摘要翻译： 一种定影装置，包括：发热体，具有在发热体的轴向上具有第一宽度的第一非导电部和与发热体的周向的第一非导电部分隔开的第二非导电部 并且在所述发热体的轴向方向上具有小于所述第一非导电部的第一宽度的第二宽度。 所述发热体能够在第一加热位置和第二加热位置之间移动，所述第一加热位置与所述第一加热位置相对，所述第一加热位置与所述激磁线圈单元相对设置，所述第二加热位置与所述第二非导电部分相对地设置在所述励磁线圈单元的

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。

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。

公开(公告)号：US08818225B2

公开(公告)日：2014-08-26

申请号：US13427276

申请日：2012-03-22

申请人： Masahiro Samei ,  Yasunori Ishigaya ,  Ryota Yamashina ,  Takumi Waida

发明人： Masahiro Samei ,  Yasunori Ishigaya ,  Ryota Yamashina ,  Takumi Waida

IPC分类号： G03G15/20

CPC分类号： G03G15/2039 ,  G03G2215/00772

摘要： A temperature control method of calculating a temperature of a recording medium after fixing and used in a thermal fixing device includes separating calculations of calculating the temperature of the recording medium after fixing into first-stage calculations to be performed before start of printing and second-stage calculations to be performed in real time during the printing, performing the first-stage calculations, and performing the second-stage calculations to calculate a result of the temperature of the recording medium after fixing. Further, the result of the temperature of the recording medium after fixing is used to control obtaining a desired temperature of the recording medium after fixing, and the temperature of the recording medium after fixing is calculated without directly measuring the temperature of the recording medium after fixing.

摘要翻译： 用于计算定影后的记录介质的温度并用于热定影装置中的温度控制方法包括将固定后的记录介质的温度计算为在打印开始之前执行的第一阶段计算的分离计算和第二阶段 在打印期间实时执行计算，执行第一阶段计算，以及执行第二阶段计算以计算定影后的记录介质的温度结果。 此外，固定后的记录介质的温度的结果用于控制在定影之后获得记录介质的期望温度，并且计算定影后的记录介质的温度，而不直接测量固定之后记录介质的温度 。

公开(公告)号：US20060133864A1

公开(公告)日：2006-06-22

申请号：US10543190

申请日：2005-01-11

申请人： Hideki Tatematsu ,  Tadafumi Shimizu ,  Masahiro Samei ,  Keiichi Matsuzaki ,  Kazunori Matsuo ,  Shoichi Kitagawa

发明人： Hideki Tatematsu ,  Tadafumi Shimizu ,  Masahiro Samei ,  Keiichi Matsuzaki ,  Kazunori Matsuo ,  Shoichi Kitagawa

IPC分类号： G03G15/20

CPC分类号： G03G15/2028

摘要： A fixing apparatus is provided that enables a recording medium that has undergone heat-fixing to be separated smoothly from a heating medium without causing a sheet jam or image disturbance. In this apparatus, there are provided on the guide surface of a separator two step parts raised along the guide surface guide width direction. Recording paper is transported gripped by a fixing nip, is guided so as to come into contact with only the apex parts of step parts, and is separated from the surface of a fixing belt. Thus, a gap is formed between the guide surface and the heat-fixing surface of recording paper guided along the guide surface, the contact area between the heat-fixing surface of recording paper and the guide surface decreases, the heat-fixing surface of recording paper becomes less prone to adhere to the guide surface of the separator, and recording paper is smoothly separated from the fixing belt without causing a sheet jam or image disturbance.

摘要翻译： 提供了一种定影装置，其使已经经历了热定影的记录介质能够与加热介质平滑地分离，而不会造成卡纸或图像干扰。 在该装置中，在分离器的引导面上设置有沿着引导面引导宽度方向升高的两个台阶部。 记录纸被定影夹持物传送，被引导以仅与台阶部的顶点接触，并与定影带的表面分离。 因此，在引导面与引导面引导的记录纸的热定影面之间形成有间隙，记录纸的热固定面与引导面之间的接触面积减小，记录的热固定面 纸张不易粘附到分离器的引导表面，并且记录纸从定影带平滑地分离而不会造成卡纸或图像干扰。