公开(公告)号：US07720424B2

公开(公告)日：2010-05-18

申请号：US12079960

申请日：2008-03-31

申请人： Junya Yoda ,  Takayuki Ishida

发明人： Junya Yoda ,  Takayuki Ishida

IPC分类号： G03G15/20

CPC分类号： G03G15/2064

摘要： In order to efficiently utilize the energy of the flux leaked from the vicinities of the edges of a fixing roller having a part to be heated, which is made of magnetic material that has Curie point, the energy of the leaked flux is stored to be utilized as need arises, or is utilized to heat the vicinity of the center of the fixing roller.

摘要翻译： 为了有效利用由具有居里点的磁性材料制成的具有待加热部分的定影辊的边缘附近泄漏的焊剂的能量，泄漏的焊剂的能量被储存以被利用 根据需要，或者用于加热定影辊的中心附近。

公开(公告)号：US20080267677A1

公开(公告)日：2008-10-30

申请号：US12079960

申请日：2008-03-31

申请人： Junya Yoda ,  Takayuki Ishida

发明人： Junya Yoda ,  Takayuki Ishida

IPC分类号： G03G15/20

CPC分类号： G03G15/2064

摘要： In order to efficiently utilize the energy of the flux leaked from the vicinities of the edges of a fixing roller having a part to be heated, which is made of magnetic material that has Curie point, the energy of the leaked flux is stored to be utilized as need arises, or is utilized to heat the vicinity of the center of the fixing roller.

摘要翻译： 为了有效利用由具有居里点的磁性材料制成的具有待加热部分的定影辊的边缘附近泄漏的焊剂的能量，泄漏的焊剂的能量被储存以被利用 根据需要，或者用于加热定影辊的中心附近。

公开(公告)号：US08644722B2

公开(公告)日：2014-02-04

申请号：US13283682

申请日：2011-10-28

申请人： Junya Yoda ,  Satoshi Takahashi ,  Fumiaki Takiguchi

发明人： Junya Yoda ,  Satoshi Takahashi ,  Fumiaki Takiguchi

IPC分类号： G03G15/20

CPC分类号： G03G15/205

摘要： A fixing device is provided with a fixing unit for fixing a toner image; a magnetic flux generator including a switching element for generating a magnetic flux; and a control unit for performing a start-up mode for raising the temperature of the fixing unit to a fixing temperature by the magnetic flux and a steady mode for maintaining the temperature of the fixing unit at the fixing temperature. The control unit turns off the switching element when the temperature of the switching element is equal to or higher than a first reference temperature lower than a destruction temperature during a period of the start-up mode, and turns off the switching element when the temperature of the switching element is equal to or higher than a second reference temperature lower than the destruction temperature and higher than the first reference temperature during a period of the steady mode.

摘要翻译： 定影装置设置有用于固定调色剂图像的定影单元; 包括用于产生磁通的开关元件的磁通量发生器; 以及控制单元，用于执行用于通过磁通将固定单元的温度升高到定影温度的启动模式，以及用于将定影单元的温度保持在定影温度的稳定模式。 当开关元件的温度等于或高于低于启动模式期间的破坏温度的第一基准温度时，控制单元关闭开关元件，并且当开关元件的温度 所述开关元件等于或高于在所述稳定模式的时段期间低于所述破坏温度并高于所述第一基准温度的第二参考温度。

公开(公告)号：US08027597B2

公开(公告)日：2011-09-27

申请号：US11977681

申请日：2007-10-25

申请人： Junya Yoda ,  Akira Shimatani

发明人： Junya Yoda ,  Akira Shimatani

IPC分类号： G03G15/00

CPC分类号： G03G15/70 ,  G03G15/2039 ,  G03G15/5004 ,  G03G2215/00983

摘要： An image forming apparatus, including: a fixing device having: a first heat generator for generating heat for a fixing processing, the first heat generator using electric power supplied by a commercial power source; and a second heat generator for generating heat for the fixing processing, the second heat generator using electric power supplied by the auxiliary power source device; a heat generation controller for allowing the first heat generator and the second heat generator to generate heat; a sheet jam detector for detecting a sheet jam of a recording sheet which occurs in the image forming section having the fixing device and a conveyance path of a recording sheet; and a charge controller for allowing charging of the auxiliary power source device to start when the sheet jam detector detects a sheet jam, and the charged capacity detector detects no full charge of the auxiliary power source device.

摘要翻译： 一种图像形成装置，包括：定影装置，具有：用于产生用于定影处理的热量的第一热发生器，所述第一热发生器使用由商用电源供应的电力; 以及第二热发生器，用于产生用于定影处理的热量，所述第二热发生器使用由所述辅助电源装置供应的电力; 用于允许第一热发生器和第二发热体产生热量的发热控制器; 用于检测在具有定影装置的图像形成部分和记录纸张的传送路径中发生的记录纸的卡纸的片材卡纸检测器; 以及充电控制器，用于当卡纸检测器检测到卡纸时允许辅助电源装置的充电开始，并且充电容量检测器不检测辅助电源装置的完全充电。

公开(公告)号：US07738804B2

公开(公告)日：2010-06-15

申请号：US11888968

申请日：2007-08-03

申请人： Junya Yoda

发明人： Junya Yoda

IPC分类号： G03G15/20 ,  G03G15/00

CPC分类号： G03G15/5004 ,  G03G15/2039 ,  G03G2215/00983

摘要： A controller is operative to heat a first fixing heater by an electric power from a commercial power source, and to heat a second fixing heater by an electric power from an electric storage device in a state that driving of a voltage boosting device is suspended by a PWM controller and an MOS transistor in an initial stage of driving a fixing heater unit. The controller is also operative to drive the second fixing heater by an electric power from the electric storage device which is boosted by the voltage boosting device by driving the voltage boosting device by the PWM controller and the MOS transistor after an inrush current to the second fixing heater has dropped to a certain level.

摘要翻译： 控制器用于通过来自商用电源的电力来加热第一定影加热器，并且通过来自蓄电装置的电力来加热第二定影加热器，所述电力在升压装置的驱动被暂停 PWM控制器和MOS晶体管在驱动定影加热器单元的初始阶段。 控制器还可操作以通过来自蓄电装置的电力驱动第二定影加热器，该电力由升压装置升压，通过PWM控制器和MOS晶体管在经过第二固定的浪涌电流之后驱动升压装置 加热器已经下降到一定水平。

公开(公告)号：US20090297237A1

公开(公告)日：2009-12-03

申请号：US12475945

申请日：2009-06-01

申请人： Akira Shimatani ,  Yoshihiro Tohnai ,  Junya Yoda

发明人： Akira Shimatani ,  Yoshihiro Tohnai ,  Junya Yoda

IPC分类号： G03G15/20

CPC分类号： G03G15/2064 ,  G03G2215/2032

摘要： A fixing device comprises a heated member formed into a hollow, cylindrical shape, said heated member including a nonmagnetic portion having a particular length along an axial direction of said heated member, a magnetic flux generator for generating magnetic flux exerted on said heated member, a first magnetic core disposed face to face with said magnetic flux generator with said heated member positioned between said first magnetic core and said magnetic flux generator to form a magnetic circuit which is routed to come out of said magnetic flux generator, pass through said heated member and return to said magnetic flux generator, and a shifting mechanism for varying the length of an area of said heated member along the axial direction thereof where the nonmagnetic portion of said heated member and said first magnetic core face each other.

摘要翻译： 定影装置包括形成为中空圆柱形状的加热构件，所述加热构件包括沿着所述加热构件的轴向方向具有特定长度的非磁性部分，用于产生施加在所述加热构件上的磁通量的磁通发生器， 第一磁芯与所述磁通发生器面对面设置，所述加热构件位于所述第一磁芯和所述磁通量发生器之间，以形成路径从所述磁通量发生器出来的磁路，穿过所述加热构件， 返回到所述磁通量发生器，以及变速机构，用于改变所述加热构件的沿其轴向方向的区域的长度，其中所述加热构件和所述第一磁芯的非磁性部分彼此面对。

公开(公告)号：US07542691B2

公开(公告)日：2009-06-02

申请号：US11390331

申请日：2006-03-27

申请人： Junya Yoda

发明人： Junya Yoda

IPC分类号： G03G15/20

CPC分类号： G03G15/205

摘要： A machine (1) has a capacitor switch (20) for switching between a side to drive a first fixing heater (17) by a capacitor (18), and a side to charge the capacitor (18). A battery switch (25) switches between a side to drive a second fixing heater (22) by a battery (23), and a side to charge the battery (23). A heater switch (27) drives a third fixing heater (26). A judger (152) judges whether the machine (1) is in a first condition requiring a rapid raise in the temperature of a fixing section, or a second condition requiring a maintained temperature of the fixing section. A controller (153) energizes all three fixing heaters (17, 22, 26) when the machine (1) is in the first condition, and energizes the second and third fixing heaters (22, 26) while charging the capacitor (18) when the machine (1) is in the second condition.

摘要翻译： 机器（1）具有电容器开关（20），用于通过电容器（18）驱动第一定影加热器（17）的一侧和用于对电容器（18）充电的一侧进行切换。 电池开关（25）在通过电池（23）驱动第二固定加热器（22）的一侧和对电池（23）充电的一侧之间切换。 加热器开关（27）驱动第三定影加热器（26）。 判断器（152）判断机器（1）是否处于要求固定部分的温度快速升高的第一状态或需要维持固定部分的温度的第二条件。 当机器（1）处于第一状态时，控制器（153）对所有三个定影加热器（17,22,26）通电，并且在对电容器（18）充电期间激励第二和第三定影加热器（22,26） 机器（1）处于第二状态。

公开(公告)号：US20060222395A1

公开(公告)日：2006-10-05

申请号：US11390331

申请日：2006-03-27

申请人： Junya Yoda

发明人： Junya Yoda

IPC分类号： G03G15/20

CPC分类号： G03G15/205

摘要： A machine (1) has a capacitor switch (20) for switching between a side to drive a first fixing heater (17) by a capacitor (18), and a side to charge the capacitor (18). A battery switch (25) switches between a side to drive a second fixing heater (22) by a battery (23), and a side to charge the battery (23). A heater switch (27) drives a third fixing heater (26). A judger (152) judges whether the machine (1) is in a first condition requiring a rapid raise in the temperature of a fixing section, or a second condition requiring a maintained temperature of the fixing section. A controller (153) energizes all three fixing heaters (17, 22, 26) when the machine (1) is in the first condition, and energizes the second and third fixing heaters (22, 26) while charging the capacitor (18) when the machine (1) is in the second condition.

摘要翻译： 机器（1）具有电容器开关（20），用于通过电容器（18）驱动第一定影加热器（17）的一侧和用于对电容器（18）充电的一侧进行切换。 电池开关（25）在通过电池（23）驱动第二固定加热器（22）的一侧和对电池（23）充电的一侧之间切换。 加热器开关（27）驱动第三定影加热器（26）。 判断器（152）判断机器（1）是否处于要求固定部分的温度快速升高的第一状态或需要维持固定部分的温度的第二条件。 当机器（1）处于第一状态时，控制器（153）激励所有三个固定加热器（17,22,26），并且在对电容器（18）充电时给第二和第三定影加热器（22,26）通电， 机器（1）处于第二状态。

公开(公告)号：US20120107006A1

公开(公告)日：2012-05-03

申请号：US13283682

申请日：2011-10-28

申请人： Junya Yoda ,  Satoshi Takahashi ,  Fumiaki Takiguchi

发明人： Junya Yoda ,  Satoshi Takahashi ,  Fumiaki Takiguchi

IPC分类号： G03G15/20

CPC分类号： G03G15/205

摘要： A fixing device is provided with a fixing unit for fixing a toner image; a magnetic flux generator including a switching element for generating a magnetic flux; and a control unit for performing a start-up mode for raising the temperature of the fixing unit to a fixing temperature by the magnetic flux and a steady mode for maintaining the temperature of the fixing unit at the fixing temperature. The control unit turns off the switching element when the temperature of the switching element is equal to or higher than a first reference temperature lower than a destruction temperature during a period of the start-up mode, and turns off the switching element when the temperature of the switching element is equal to or higher than a second reference temperature lower than the destruction temperature and higher than the first reference temperature during a period of the steady mode.

摘要翻译： 定影装置设置有用于固定调色剂图像的定影单元; 包括用于产生磁通的开关元件的磁通量发生器; 以及控制单元，用于执行用于通过磁通将固定单元的温度升高到定影温度的启动模式，以及用于将定影单元的温度保持在定影温度的稳定模式。 当开关元件的温度等于或高于低于启动模式期间的破坏温度的第一基准温度时，控制单元关闭开关元件，并且当开关元件的温度 所述开关元件等于或高于在所述稳定模式的时段期间低于所述破坏温度并高于所述第一基准温度的第二参考温度。

公开(公告)号：US08494388B2

公开(公告)日：2013-07-23

申请号：US12943223

申请日：2010-11-10

申请人： Junya Yoda

发明人： Junya Yoda

IPC分类号： G03G15/20

CPC分类号： G03G15/2039

摘要： Provided is an image forming apparatus, including: a heating section; a coil that is opposed to the heating section, for heating the heating section; a core that has a circumferential surface covered with a magnetic shielding plate having different lengths in an axis direction in a plurality of steps according to a position in a circumferential direction; a rotary section for causing the core to rotate; a plurality of temperature sensing elements for sensing temperatures of the heating section; and a control section for controlling a heating width by controlling the rotary section to control a rotation angle of the core, setting the heating width corresponding to a size of a paper sheet at a start of a print job, and setting the heating width wider than at the start of the print job midway through the print job.

摘要翻译： 提供一种图像形成装置，包括：加热部; 与所述加热部相对的用于加热所述加热部的线圈; 根据圆周方向的位置，沿着多个台阶沿轴向不同长度的磁屏蔽覆盖有圆周面的芯体; 用于使所述芯旋转的旋转部; 多个温度检测元件，用于感测加热部分的温度; 以及控制部，其通过控制旋转部来控制芯部的旋转角度来控制加热宽度，在打印作业开始时设定与纸张的尺寸对应的加热宽度，并且将加热宽度设定为宽于 在打印作业开始时通过打印作业中途。