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公开(公告)号：US08521047B2
公开(公告)日：2013-08-27
申请号：US13220927
申请日：2011-08-30
IPC分类号： G03G15/00
CPC分类号： G03G15/5058 , G03G2215/00063
摘要： An image forming apparatus includes a toner carrier, a toner image forming unit, and a toner concentration sensor. The toner carrier includes a transparent film. The toner image forming unit forms a toner image onto the toner carrier. The toner concentration sensor senses the concentration of toner on the toner carrier. The toner concentration sensor includes first and second light emitting elements and a light receiving element. The light emitting elements each radiate light directly or indirectly to the toner carrier. The light receiving element receives reflecting light originating from the light emitting elements. The first light emitting element radiates light having a wavelength of a predetermined reflectance resulting from direct radiation to the toner carrier. The second light emitting element radiates light having a wavelength that causes a lower reflectance resulting from direct radiation to the toner carrier than a reflectance resulting from radiation to the toner.
摘要翻译： 图像形成装置包括调色剂载体，调色剂图像形成单元和调色剂浓度传感器。 调色剂载体包括透明膜。 调色剂图像形成单元在调色剂载体上形成调色剂图像。 调色剂浓度传感器感测调色剂载体上的调色剂浓度。 调色剂浓度传感器包括第一和第二发光元件和光接收元件。 发光元件各自直接或间接地将光直接照射到调色剂载体上。 光接收元件接收来自发光元件的反射光。 第一发光元件将具有由直接辐射产生的预定反射率的波长的光照射到调色剂载体。 第二发光元件将具有波长的光照射到对调色剂载体的直接辐射产生的较低的反射率，而不是由对辐射到调色剂的反射率。
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公开(公告)号：US20120051770A1
公开(公告)日：2012-03-01
申请号：US13220927
申请日：2011-08-30
IPC分类号： G03G15/00
CPC分类号： G03G15/5058 , G03G2215/00063
摘要： An image forming apparatus includes a toner carrier, a toner image forming unit, and a toner concentration sensor. The toner carrier includes a transparent film. The toner image forming unit forms a toner image onto the toner carrier. The toner concentration sensor senses the concentration of toner on the toner carrier. The toner concentration sensor includes first and second light emitting elements and a light receiving element. The light emitting elements each radiate light directly or indirectly to the toner carrier. The light receiving element receives reflecting light originating from the light emitting elements. The first light emitting element radiates light having a wavelength of a predetermined reflectance resulting from direct radiation to the toner carrier. The second light emitting element radiates light having a wavelength that causes a lower reflectance resulting from direct radiation to the toner carrier than a reflectance resulting from radiation to the toner.
摘要翻译： 图像形成装置包括调色剂载体，调色剂图像形成单元和调色剂浓度传感器。 调色剂载体包括透明膜。 调色剂图像形成单元在调色剂载体上形成调色剂图像。 调色剂浓度传感器感测调色剂载体上的调色剂浓度。 调色剂浓度传感器包括第一和第二发光元件和光接收元件。 发光元件各自直接或间接地将光直接照射到调色剂载体上。 光接收元件接收来自发光元件的反射光。 第一发光元件将具有由直接辐射产生的预定反射率的波长的光照射到调色剂载体。 第二发光元件将具有波长的光照射到对调色剂载体的直接辐射产生的较低的反射率，而不是由对辐射到调色剂的反射率。
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公开(公告)号：US20120128386A1
公开(公告)日：2012-05-24
申请号：US13297825
申请日：2011-11-16
IPC分类号： G03G15/00
CPC分类号： G03G21/00 , G03G15/50 , G03G15/55 , G03G2215/00637
摘要： An image forming apparatus has a moving part that operates for forming an image on recording paper. When an instruction to make a transition to a silent mode is input to an input unit, first control is executed so that operation noise of the moving part is reduced. When an instruction to cancel the silent mode is input to the input unit, second control is executed so that the operation noise of the moving part is increased stepwise to return to the state before the first control.
摘要翻译： 图像形成装置具有用于在记录纸上形成图像的运动部分。 当向输入单元输入转移到静音模式的指令时，执行第一控制，使得移动部件的操作噪声减小。 当取消静音模式的指令被输入到输入单元时，执行第二控制，使得移动部件的操作噪声逐步增加以返回到第一控制之前的状态。
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4.发明授权Image formation apparatus, image formation system, and output control method 有权图像形成装置，图像形成系统和输出控制方法公开(公告)号：US08620205B2
公开(公告)日：2013-12-31
申请号：US13035228
申请日：2011-02-25
IPC分类号： G03G15/00
CPC分类号： G03G15/5004
摘要： An image formation apparatus is connectable to a post processing apparatus for performing a post process to a sheet. The image formation apparatus includes: a power source for outputting a voltage to a first load and a second load, the first load being provided in the image formation apparatus and being involved in image formation, the second load being provided in the post processing apparatus and being involved in the post process; a power source controller for increasing the output voltage of the power source during an operation of the second load; and a load controller for controlling an operation of the first load such that an output of the first load falls within a predetermined range during the operation of the second load.
摘要翻译： 图像形成装置可连接到用于对片材进行后期处理的后处理装置。 图像形成装置包括：用于向第一负载和第二负载输出电压的电源，第一负载设置在图像形成装置中并涉及图像形成，第二负载设置在后处理装置中，以及 参与后期工作; 电源控制器，用于在所述第二负载的操作期间增加所述电源的输出电压; 以及负载控制器，用于控制第一负载的操作，使得在第二负载的操作期间第一负载的输出落在预定范围内。
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公开(公告)号：US09116453B2
公开(公告)日：2015-08-25
申请号：US13845881
申请日：2013-03-18
CPC分类号： G03G15/0126 , G03G15/0189 , G03G15/5058 , G03G2215/0158
摘要： An image forming apparatus calculates a positional deviation in the main and sub-scanning directions for each color by forming registration patterns in two arrays along a sub-scanning direction on an image carrier. Each registration pattern in one array is paired with an identical registration pattern in the other array. A first sensor has: a light-emitting element irradiating one registration pattern in a pair; a photodetector for regular reflection light; and a photodetector for diffuse reflection light. A second sensor has: a light-emitting element irradiating the other one in the pair; and a photodetector for regular reflection light. The relative positions of a pair of registration patters calculated using the respective sensors are corrected so as to reduce the positional deviation between the calculated positions by the amount of offset deviation estimated occur between positions detected by the respective sensors when the registration patterns are without positional deviation.
摘要翻译： 图像形成装置通过在图像载体上沿副扫描方向形成两个阵列的对准图案来计算每种颜色的主扫描方向和副扫描方向的位置偏差。 一个阵列中的每个注册模式与另一个阵列中的相同注册模式配对。 第一传感器具有：一对照射一个配准图案的发光元件; 用于正常反射光的光电检测器; 以及用于漫反射光的光电检测器。 第二传感器具有：照射另一个的发光元件; 和用于规则反射光的光电检测器。 校正使用各个传感器计算的一对配准图案的相对位置，以便当注册图案没有位置偏差时，将计算出的位置之间的位置偏差减小估计出的各个传感器检测到的位置之间的偏差偏差量 。
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公开(公告)号：US08320789B2
公开(公告)日：2012-11-27
申请号：US12724163
申请日：2010-03-15
CPC分类号： G03G15/6573 , G03G21/206 , G03G2221/1645
摘要： In an image formation state, to cool a recording sheet on a route from a fixer to a paper ejection roller, a blast fan assumes a first position restrained by a first fixture. Also, in another state, to cool a recording sheet on the catch tray, the blast fan assumes a second position restrained by a second fixture. To transition from the image formation state to another state, the blast fan sends a strong blast in a reverse direction from the normal blast direction. A bias is generated on the blast fan due to the resulting reactive force, the blast fan becomes free from the restraint of the first fixture, and shifts from the first position to the second position. Conversely, to transition from another state to the image formation state, a strong blast is sent in the same direction as the normal blast direction, and the blast fan shifts from the second position to the first position.
摘要翻译： 在图像形成状态下，为了在从定影剂到排纸辊的路径上冷却记录纸，鼓风风扇采取由第一固定装置限制的第一位置。 此外，在另一状态下，为了将记录纸冷却在捕捉托盘上，鼓风扇采取由第二固定装置限制的第二位置。 为了从图像形成状态转换到另一状态，鼓风机从正常的鼓风方向向相反方向发送强烈的鼓风。 由于所产生的反作用力，鼓风扇产生偏压，鼓风风扇不受第一夹具的约束，并从第一位置移动到第二位置。 相反，为了从另一状态转变为图像形成状态，以与正常鼓风方向相同的方向发送强风，并且鼓风风扇从第二位置移动到第一位置。
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7.发明授权公开(公告)号：US07885568B2
公开(公告)日：2011-02-08
申请号：US12390212
申请日：2009-02-20
申请人： Natsuyo Higashi , Hirotada Seki , Satoru Sasaki , Akinori Kimata
发明人： Natsuyo Higashi , Hirotada Seki , Satoru Sasaki , Akinori Kimata
IPC分类号： G03G15/20
CPC分类号： G03G15/2039
摘要： An image forming device that uses only one temperature sensor to detect temperatures of the recording sheet and a rotation member for fixing, and can perform the temperature adjustment control carefully in detail during the image forming operation. The CPU 61 performs the temperature adjustment control 1 by executing the temperature adjustment program 64b (step S109), then executes the paper passing judgment program 64a to judge whether or not paper is passing (step S110). As far as it judges that no paper is passing (NO in step S110), the CPU 61 continues to perform the temperature adjustment control 1 by executing the temperature adjustment program 64b. When it judges that paper is passing (YES in step S110), the CPU 61 performs the temperature adjustment control (step S112).
摘要翻译： 图像形成装置，其仅使用一个温度传感器来检测记录纸张的温度和用于固定的旋转部件，并且可以在图像形成操作期间仔细地执行温度调节控制。 CPU61通过执行温度调节程序64b进行温度调节控制1（步骤S109），然后执行纸通过判定程序64a判断纸张是否通过（步骤S110）。 只要判断没有纸张通过（步骤S110中为“否”），CPU61通过执行温度调节程序64b继续执行温度调节控制1。 当判断纸张通过时（步骤S110中为“是”），CPU 61进行温度调节控制（步骤S112）。
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公开(公告)号：US08380092B2
公开(公告)日：2013-02-19
申请号：US12770986
申请日：2010-04-30
IPC分类号： G03G15/08
CPC分类号： G03G15/0853
摘要： In this toner concentration sensor, as the magnetic permeability of a two-component developer 3 containing toner and carrier in a two-component developing unit 1 has changed with changing TC ratio of the two-component developer, the oscillation frequency of a first oscillation circuit 20 having a detection coil 5 changes, on the other hand the oscillation frequency of a second oscillation circuit 30 having a reference coil 6 does not change. While, changes in temperature conditions cause the oscillation frequency of the second oscillation circuit to change in the same way as the oscillation frequency of the first oscillation circuit. Therefore, utilizing a difference between the oscillation frequencies of the first and second oscillation circuits makes it possible to cancel out changes in the temperature conditions so that a value corresponding to only the magnetic permeability of the two-component developer can be obtained. Thus, detection errors of toner concentration due to temperature changes can be reliably prevented.
摘要翻译： 在该调色剂浓度传感器中，随着双组分显影单元1中含有调色剂和载体的双组分显影剂3的磁导率随着双组分显影剂的TC比的变化而改变，第一振荡电路的振荡频率 具有检测线圈5的20变化，另一方面，具有基准线圈6的第二振荡电路30的振荡频率不变化。 而温度条件的变化导致第二振荡电路的振荡频率以与第一振荡电路的振荡频率相同的方式变化。 因此，利用第一和第二振荡电路的振荡频率之间的差异，可以抵消温度条件的变化，从而可以获得仅对应于双组分显影剂的磁导率的值。 因此，可以可靠地防止由于温度变化引起的调色剂浓度的检测误差。
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公开(公告)号：US20100290795A1
公开(公告)日：2010-11-18
申请号：US12770986
申请日：2010-04-30
IPC分类号： G03G15/08
CPC分类号： G03G15/0853
摘要： In this toner concentration sensor, as the magnetic permeability of a two-component developer 3 containing toner and carrier in a two-component developing unit 1 has changed with changing TC ratio of the two-component developer, the oscillation frequency of a first oscillation circuit 20 having a detection coil 5 changes, on the other hand the oscillation frequency of a second oscillation circuit 30 having a reference coil 6 does not change. While, changes in temperature conditions cause the oscillation frequency of the second oscillation circuit to change in the same way as the oscillation frequency of the first oscillation circuit. Therefore, utilizing a difference between the oscillation frequencies of the first and second oscillation circuits makes it possible to cancel out changes in the temperature conditions so that a value corresponding to only the magnetic permeability of the two-component developer can be obtained. Thus, detection errors of toner concentration due to temperature changes can be reliably prevented.
摘要翻译： 在该调色剂浓度传感器中，随着双组分显影单元1中含有调色剂和载体的双组分显影剂3的磁导率随着双组分显影剂的TC比的变化而改变，第一振荡电路的振荡频率 具有检测线圈5的20变化，另一方面，具有基准线圈6的第二振荡电路30的振荡频率不变化。 而温度条件的变化导致第二振荡电路的振荡频率以与第一振荡电路的振荡频率相同的方式变化。 因此，利用第一和第二振荡电路的振荡频率之间的差异，可以抵消温度条件的变化，从而可以获得仅对应于双组分显影剂的磁导率的值。 因此，可以可靠地防止由于温度变化引起的调色剂浓度的检测误差。
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公开(公告)号：US20100232826A1
公开(公告)日：2010-09-16
申请号：US12724163
申请日：2010-03-15
IPC分类号： G03G21/20
CPC分类号： G03G15/6573 , G03G21/206 , G03G2221/1645
摘要： In an image formation state, to cool a recording sheet on a route from a fixer to a paper ejection roller, a blast fan assumes a first position restrained by a first fixture. Also, in another state, to cool a recording sheet on the catch tray, the blast fan assumes a second position restrained by a second fixture. To transition from the image formation state to another state, the blast fan sends a strong blast in a reverse direction from the normal blast direction. A bias is generated on the blast fan due to the resulting reactive force, the blast fan becomes free from the restraint of the first fixture, and shifts from the first position to the second position. Conversely, to transition from another state to the image formation state, a strong blast is sent in the same direction as the normal blast direction, and the blast fan shifts from the second position to the first position.
摘要翻译： 在图像形成状态下，为了在从定影剂到排纸辊的路径上冷却记录纸，鼓风风扇采取由第一固定装置限制的第一位置。 此外，在另一状态下，为了将记录纸冷却在捕捉托盘上，鼓风扇采取由第二固定装置限制的第二位置。 为了从图像形成状态转换到另一状态，鼓风机从正常的鼓风方向向相反方向发送强烈的鼓风。 由于所产生的反作用力，鼓风扇产生偏压，鼓风风扇不受第一夹具的约束，并从第一位置移动到第二位置。 相反，为了从另一状态转变为图像形成状态，以与正常鼓风方向相同的方向发送强风，并且鼓风风扇从第二位置移动到第一位置。
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