公开(公告)号：US09372463B2

公开(公告)日：2016-06-21

申请号：US14236470

申请日：2012-09-13

申请人： Yasuhiro Shimura

发明人： Yasuhiro Shimura

IPC分类号： G03G15/20 ,  G03G15/00

CPC分类号： G03G15/55 ,  G03G15/2039 ,  G03G15/5004

摘要： An image forming apparatus, where, at suitable positions in a power supply path of a first heat generating member and a second heat generating member which can be switched to a series connection condition and a parallel connection condition, there are arranged a current detection section including a circuit which detects a current subjected to rectification of a positive half wave and a circuit which detects a current subjected to rectification of a negative half wave, and an applied voltage detection section including a circuit which detects a voltage subjected to full-wave rectification. Consequently, in the image forming apparatus which can be used in locations using different power supply voltages, failure of the apparatus can be detected, and reliability of the apparatus can be enhanced.

摘要翻译： 一种图像形成装置，其中，在可以切换到串联连接状态和并联状态的第一发热件和第二发热件的供电路径中的合适位置处设置有电流检测部，其包括： 检测正半波整流的电路的电路和检测经过负半波整流的电流的电路;以及施加电压检测部，其包括检测经过全波整流的电压的电路。 因此，在可用于使用不同电源电压的位置的图像形成装置中，可以检测到装置的故障，并且可以提高装置的可靠性。

公开(公告)号：US08653422B2

公开(公告)日：2014-02-18

申请号：US13384405

申请日：2010-09-03

申请人： Yasuhiro Shimura ,  Koji Nihonyanagi

发明人： Yasuhiro Shimura ,  Koji Nihonyanagi

IPC分类号： G03G15/20 ,  H05B3/03 ,  H05B3/10

CPC分类号： G03G15/2053 ,  G03G15/2042 ,  H05B1/0241 ,  H05B3/0019 ,  H05B3/0095 ,  H05B3/06 ,  H05B2203/007 ,  H05B2203/011 ,  H05B2203/016

摘要： The heater is capable of improving heat generation uniformity in a sheet feeding area while suppressing the temperature rise of a non-sheet feeding portion. Each of heat generation lines includes a plurality of heat blocks in which a plurality of heat generating resistors are electrically connected in parallel between two conductive members. The heat generation lines are arranged in a lateral direction of the substrate, and the heat blocks are arranged so that the end of the heat block in the heat generation line of a first row does not overlap with the end of the heat block in the heat generation line of a second row in a longitudinal direction of a heater.

摘要翻译： 加热器能够在抑制非片材供给部的温度升高的同时，提高供纸区域的发热均匀性。 每个发热线包括多个热块，其中多个发热电阻器并联电连接在两个导电构件之间。 发热线沿基板的横向排列，并且散热块被布置成使得第一排的发热管线中的热块的端部不与热块的热源端部重叠 在加热器的纵向方向上的第二排的生成线。

公开(公告)号：US20120308252A1

公开(公告)日：2012-12-06

申请号：US13576873

申请日：2011-03-16

申请人： Yasuhiro Shimura

发明人： Yasuhiro Shimura

IPC分类号： G03G15/20

CPC分类号： G03G15/2039 ,  G03G2215/2035

摘要： The image forming apparatus can be used in areas having different power supply voltages, in which a failure of the apparatus can be detected so that reliability of the apparatus is improved. The apparatus includes a connection state switching part which switches connection of a first heat generating member and a second heat generating member, which generate heat by electric power supplied from a commercial power supply through a power supply path, between a serial connection state and a parallel connection state, and a current detection part which detects current flowing in the power supply path. The current detection part is disposed in the power supply path after branching toward the first heat generating member and the second heat generating member in the parallel connection state.

摘要翻译： 图像形成装置可以用于具有不同电源电压的区域中，其中可以检测装置的故障，从而提高装置的可靠性。 该装置包括：连接状态切换部，其通过串联连接状态与并行连接状态切换由商用电源通过供电路径供给的电力产生热量的第一发热体和第二发热体的连接 连接状态，以及检测在电力供给路径中流动的电流的电流检测部。 电流检测部分在分支到并联连接状态的第一发热件和第二发热件之后设置在电源通路中。

公开(公告)号：US20120201582A1

公开(公告)日：2012-08-09

申请号：US13501402

申请日：2010-12-20

申请人： Yasuhiro Shimura ,  Koji Nihonyanagi

发明人： Yasuhiro Shimura ,  Koji Nihonyanagi

IPC分类号： G03G15/20 ,  H05B3/02

CPC分类号： G03G15/2053 ,  G03G15/2042 ,  G03G2215/2035 ,  H05B3/0095 ,  H05B3/26

摘要： The image heating apparatus includes a heater that achieves even heat-generation distribution and suppression of a non-sheet feeding portion temperature increase when an image is printed on a sheet whose size is smaller than a maximum size for the apparatus, and an endless belt, wherein plural heat-generation resistive members having positive temperature coefficients are connected in parallel are provided between first and second conductive members provided along a longitudinal direction of a substrate; plural heat-generation blocks including the plural heat-generation resistive members connected in parallel, are arranged in series along the longitudinal direction; and in the plural heat-generation resistive members included in one of the heat-generation blocks, a heat-generation resistive member arranged at an end portion in the longitudinal direction has a resistivity value higher than that of a heat generation resistive member arranged at a center in the longitudinal direction, or an interval between heat generation resistive members is larger in the end portion.

摘要翻译： 图像加热装置包括加热器，其在图像被打印在尺寸小于装置的最大尺寸的片材上时，实现均匀的发热分布和抑制非片材进给部温度升高，以及环形带， 其中具有正温度系数的多个发热电阻构件并联连接，设置在沿着基板的纵向方向设置的第一和第二导电构件之间; 包括并联连接的多个发热电阻部件的多个发热块沿着长度方向串联设置; 并且在包括在一个发热块中的多个发热电阻构件中，布置在纵向方向上的端部处的发热电阻构件的电阻率值高于布置在发热块的发热电阻构件的电阻率值 在长度方向中心，或发热电阻部件之间的间隔在端部较大。

公开(公告)号：US20120201581A1

公开(公告)日：2012-08-09

申请号：US13501397

申请日：2010-12-10

申请人： Yasuhiro Shimura

发明人： Yasuhiro Shimura

IPC分类号： G03G15/20 ,  H05B3/10

CPC分类号： H05B1/0241 ,  G03G15/2042 ,  G03G2215/2035 ,  H05B3/0095

摘要： The image heating apparatus includes first and second lines having a first and second heat generation blocks, the first and second lines being disposed at different positions in a transverse direction, wherein the first and second lines are arranged so that a whole of first heat generation block in the first line and a whole of second heat generation block in the second line overlap with each other in the longitudinal direction, and a whole of second heat generation block in the first line and a whole of first heat generation block in the second line overlap with each other in the longitudinal direction. By the virtue of the present invention, it achieves to be capable of suppressing a temperature rise in a non-sheet feeding area in a case of printing a sheet smaller in size than a maximum size supported by the image heating apparatus.

摘要翻译： 图像加热装置包括具有第一和第二发热块的第一和第二线，第一和第二线设置在横向方向上的不同位置，其中第一和第二线被布置成使得整个第一发热块 在第一线路和第二线路中的整个第二发热块在纵向上彼此重叠，并且第一线路中的整个第二热产生块和第二线路中的整个第一热产生块重叠 在纵向彼此相对。 通过本发明，在打印尺寸小于由图像加热装置支撑的最大尺寸的片材的情况下，能够抑制非片材进给区域的温度升高。

公开(公告)号：US20120148273A1

公开(公告)日：2012-06-14

申请号：US13309431

申请日：2011-12-01

申请人： Yasuhiro Shimura ,  Atsushi Kawarago ,  Yuta Hojo ,  Kei Sato

发明人： Yasuhiro Shimura ,  Atsushi Kawarago ,  Yuta Hojo ,  Kei Sato

IPC分类号： G03G15/20

CPC分类号： G03G15/2039

摘要： An apparatus is capable of switching between a mode in which a first resistance heating element and a second resistance heating element are connected in series and a mode in which they are connected in parallel. When a temperature increase rate detected by a temperature detection unit is smaller than a threshold rate although a current detected by a current detection unit is greater than a threshold current, a notification of a failure is issued.

摘要翻译： 一种装置能够在第一电阻加热元件和第二电阻加热元件串联连接的模式和并联连接的模式之间切换。 当由温度检测单元检测到的温度增加率小于阈值速率时，尽管由电流检测单元检测到的电流大于阈值电流，但是发出故障通知。

公开(公告)号：US20120121306A1

公开(公告)日：2012-05-17

申请号：US13384405

申请日：2010-09-03

申请人： Yasuhiro Shimura ,  Koji Nihonyanagi

发明人： Yasuhiro Shimura ,  Koji Nihonyanagi

IPC分类号： G03G15/20 ,  H05B3/06 ,  H05B1/00

CPC分类号： G03G15/2053 ,  G03G15/2042 ,  H05B1/0241 ,  H05B3/0019 ,  H05B3/0095 ,  H05B3/06 ,  H05B2203/007 ,  H05B2203/011 ,  H05B2203/016

摘要： The heater is capable of improving heat generation uniformity in a sheet feeding area while suppressing the temperature rise of a non-sheet feeding portion. Each of heat generation lines includes a plurality of heat blocks in which a plurality of heat generating resistors are electrically connected in parallel between two conductive members. The heat generation lines are arranged in a lateral direction of the substrate, and the heat blocks are arranged so that the end of the heat block in the heat generation line of a first row does not overlap with the end of the heat block in the heat generation line of a second row in a longitudinal direction of a heater.

摘要翻译： 加热器能够在抑制非片材供给部的温度升高的同时，提高供纸区域的发热均匀性。 每个发热线包括多个热块，其中多个发热电阻器并联电连接在两个导电构件之间。 发热线沿基板的横向排列，并且散热块被布置成使得第一排的发热管线中的热块的端部不与热块的热源端部重叠 在加热器的纵向方向上的第二排的生成线。

公开(公告)号：US20110280597A1

公开(公告)日：2011-11-17

申请号：US13093231

申请日：2011-04-25

申请人： Yasuhiro Shimura ,  Yuji Fujiwara

发明人： Yasuhiro Shimura ,  Yuji Fujiwara

IPC分类号： G03G15/00 ,  G01R19/00

CPC分类号： H02M1/10 ,  G01R19/165 ,  G03G15/2039 ,  G03G15/5004

摘要： The voltage detection device includes a first voltage detection part for detecting whether or not a time period ratio during which a voltage of an AC power supply is equal to or larger than a first threshold value is equal to or larger than a first ratio and a second voltage detection part for detecting whether or not a time period ratio during which the voltage of the AC power supply is lower than the first threshold value and equal to or larger than a second threshold value is equal to or larger than a second ratio higher than the first ratio, and determines whether the voltage of the AC power supply is a first commercial voltage or a second commercial voltage lower than the first commercial voltage based on results obtained by the first voltage detection part and by the second voltage detection part.

摘要翻译： 电压检测装置包括：第一电压检测部，其检测交流电源的电压等于或大于第一阈值的时间段比率是否等于或大于第一比率;第二电压检测部分， 电压检测部分，用于检测交流电源的电压是否低于第一阈值并且等于或大于第二阈值的时间段比率等于或大于比第二阈值高的第二比率 基于由第一电压检测部分和第二电压检测部分获得的结果，确定交流电源的电压是否是低于第一商用电压的第一商用电压或第二商业电压。

公开(公告)号：US20100310267A1

公开(公告)日：2010-12-09

申请号：US12789646

申请日：2010-05-28

申请人： Yasuhiro Shimura ,  Kei Sato

发明人： Yasuhiro Shimura ,  Kei Sato

IPC分类号： G03G15/20

CPC分类号： G03G15/80 ,  G03G15/2039

摘要： A wave form corresponding to at least one power ratio among a plurality of power ratios set according to a temperature of a fixing part include a first group wherein a negative half-wave to at least partially turn on a half-wave and a positive-half-wave to at least partially turn on a half-wave continue in order after a half-wave to entirely turn off an one half-wave, and a second group wherein a positive-half-wave to at least partially turn on a half-wave continues just after a -half-wave to entirely turn off an one half-wave, thereby an accuracy of current detection can be improved.

摘要翻译： 对应于根据固定部件的温度设定的多个功率比中的至少一个功率比的波形包括：第一组，其中，负半波至少部分地接通半波和正半 - 至少部分地在半波之后依次打开半波，以完全关闭一个半波;以及第二组，其中正半波至少部分地打开半波， 波在正弦波之后继续完全关闭一个半波，从而可以提高电流检测的精度。

公开(公告)号：US08744289B2

公开(公告)日：2014-06-03

申请号：US13316280

申请日：2011-12-09

申请人： Yasuhiro Shimura

发明人： Yasuhiro Shimura

IPC分类号： G03G15/20

CPC分类号： G03G15/5004 ,  G03G15/2039

摘要： The present invention provides a low-cost and safe image forming apparatus that has a first state in which first and second resistance heating bodies of a heater are connected in series, a second state in which the first and second resistance heating bodies are connected in parallel, and a third state in which a first switching unit shuts off a power supply path and a second switching unit is connected to a first power source terminal to block power supply to the heater.

摘要翻译： 本发明提供了一种低成本且安全的图像形成装置，其具有第一状态，其中加热器的第一和第二电阻加热体串联连接，第一状态和第二电阻加热体并联连接的第二状态 以及第三状态，其中第一开关单元关闭电源路径，并且第二开关单元连接到第一电源端子以阻断对加热器的电力供应。