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1. 发明申请

US20150116718A1 OPTICAL SENSOR AND IMAGE FORMING APPARATUS INCORPORATING SAME 审中-公开
标题翻译：光学传感器和图像形成装置
公开(公告)号：US20150116718A1
公开(公告)日：2015-04-30
申请号：US14512657
申请日：2014-10-13
申请人： Terumichi OCHI , Takumi WAIDA , Shinji KATO , Toshihiro ISHII , Shuji HIRAI , Takashi FUJITA , Shinichi NAMEKATA , Ryota YAMASHINA , Arinobu YOSHIURA , Motoyoshi YAMANO
发明人： Terumichi OCHI , Takumi WAIDA , Shinji KATO , Toshihiro ISHII , Shuji HIRAI , Takashi FUJITA , Shinichi NAMEKATA , Ryota YAMASHINA , Arinobu YOSHIURA , Motoyoshi YAMANO
IPC分类号： G01N21/47 , G03G15/00
CPC分类号： G03G15/5029 , G01N21/55
摘要： An optical sensor includes a light-emitting unit to emit light onto a measuring object, a regular reflection light receiver to receive regular reflection light from the measuring object out of the light emitted by the light-emitting unit, and a diffuse reflection light receiver to receive diffuse reflection light from the measuring object out of the light emitted by the light-emitting unit. An angle of incidence of the light emitted onto a surface of the measuring object is not smaller than 75° and not larger than 85°. The diffuse reflection light receiver receives, out of the diffuse reflection light from the measuring object, diffuse reflection light having an angle of reflection with respect to a perpendicular to the surface of the measuring object larger than 0° and smaller than an angle of reflection of the regular reflection light with respect to the perpendicular to the surface of the measuring object.
摘要翻译：光学传感器包括：发光单元，用于将光发射到测量对象;正射反射光接收器，用于从发光单元发射的光中接收来自测量对象的规则反射光;漫反射光接收器，从发光单元发出的光中接收来自测量对象的漫反射光。发射到测量对象表面上的光的入射角不小于75°并且不大于85°。漫反射光接收器从测量对象的漫反射光中接收到相对于测量对象表面的垂直方向的反射角大于0°并且小于0°的反射角的漫反射光相对于测量对象表面垂直的正反射光。

2. 发明申请

US20150261161A1 RECORDING MEDIA SMOOTHNESS DETECTOR AND IMAGE FORMING APPARATUS INCORPORATING SAME 有权
标题翻译：记录媒体平滑检测器和成像装置的图像形成装置
公开(公告)号：US20150261161A1
公开(公告)日：2015-09-17
申请号：US14643082
申请日：2015-03-10
申请人： Takumi WAIDA , Shuji HIRAI , Terumichi OCHI , Shinji KATO , Ryota YAMASHINA , Keitaro SHOJI
发明人： Takumi WAIDA , Shuji HIRAI , Terumichi OCHI , Shinji KATO , Ryota YAMASHINA , Keitaro SHOJI
IPC分类号： G01J4/00 , G03G15/00
CPC分类号： G03G15/5029 , G03G2215/00616 , G03G2215/00734
摘要： A recording media smoothness detector includes a sensor and a calculator. The sensor includes a light source to emit light toward a recording medium and a light-detecting device to detect an amount of light reflected by the recording medium. The calculator includes a first memory to store an initial output value of the sensor and a second memory to store a decreased output percentage of the sensor relative to the initial output value per number of recording media detected. The calculator is configured to calculate a decreased output amount of the sensor from the decreased output percentage of the sensor per number of recording media detected, according to number of recording media detected by the sensor, to adjust a luminosity of the sensor based on the calculated decreased output amount of the sensor and determine smoothness of the recording medium based on an output of the sensor after the adjustment.
摘要翻译：记录介质平滑度检测器包括传感器和计算器。传感器包括朝向记录介质发射光的光源和用于检测由记录介质反射的光量的光检测装置。计算器包括用于存储传感器的初始输出值的第一存储器和用于存储传感器相对于每个检测到的记录介质的初始输出值减小的输出百分比的第二存储器。计算器被配置为根据传感器检测到的记录介质的数量，根据传感器检测到的记录介质的数量，从传感器的输出百分比减小来计算传感器的输出量，以根据计算出的传感器的发光度来调节传感器的亮度降低传感器的输出量，并且在调整之后基于传感器的输出确定记录介质的平滑度。

3. 发明申请

US20150205241A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20150205241A1
公开(公告)日：2015-07-23
申请号：US14592278
申请日：2015-01-08
申请人： Ryota YAMASHINA , Keitaro SHOJI , Shuji HIRAI , Takumi WAIDA , Terumichi OCHI
发明人： Ryota YAMASHINA , Keitaro SHOJI , Shuji HIRAI , Takumi WAIDA , Terumichi OCHI
IPC分类号： G03G15/00 , G03G15/20
CPC分类号： G03G15/5029 , G03G15/2039
摘要： An image forming apparatus includes a storage to store recording media, a smoothness detector to detect smoothness of the recording media, a memory unit to store smoothness values detected by the smoothness detector, a transfer device to transfer a toner image onto the recording media, a fixing device to fix the toner image onto the recording media, a temperature controller to determine a target fixing temperature for a second and subsequent recording media based on a predicted value calculated from the smoothness values, and a processor to reset the smoothness values in response to detection of an external factor that causes the smoothness detector to provide a smoothness value out of a predetermined range of the predicted value during an image forming operation from when the processor receives a sheet-feeding permission signal of one of the recording media stored in the storage until the recording medium is ejected.
摘要翻译：图像形成装置包括存储记录介质的存储器，用于检测记录介质的平滑度的平滑度检测器，存储由平滑度检测器检测的平滑度值的存储单元，将调色剂图像转印到记录介质上的传送装置，固定装置，用于将调色剂图像固定到记录介质上，温度控制器，用于基于从平滑度值计算的预测值来确定第二和随后的记录介质的目标定影温度，以及处理器，以响应于在图像形成操作期间，从处理器接收到存储在存储器中的记录介质之一的送纸许可信号时，使得平滑度检测器在预定值的预定范围内提供平滑度值的外部因素的检测直到记录介质被排出。

4. 发明申请

US20150071660A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20150071660A1
公开(公告)日：2015-03-12
申请号：US14470096
申请日：2014-08-27
申请人： Ryota YAMASHINA , Hiroshi SEO , Arinobu YOSHIURA , Takumi WAIDA
发明人： Ryota YAMASHINA , Hiroshi SEO , Arinobu YOSHIURA , Takumi WAIDA
IPC分类号： G03G15/00 , G03G15/20
CPC分类号： G03G15/55 , G03G15/2039 , G03G15/502 , G03G15/5029 , G03G2215/00738
摘要： An image forming apparatus for forming an image on each of recording media includes an optical sensor to irradiate each of the recording media with light to detect smoothness of each of the recording media according to a strength of specularly reflected light of the light with which each of the recording media is irradiated, and a processor to compare the smoothness of the recording media to determine whether a normal image can be formed on one of the recording media having a smoothness detected last.
摘要翻译：用于在每个记录介质上形成图像的图像形成装置包括光学传感器，用于根据光的镜面反射光的强度来照射每个记录介质的光以检测每个记录介质的平滑度，照射记录介质，以及处理器，用于比较记录介质的平滑度，以确定是否可以在具有最后检测到的平滑度的记录介质之一上形成正常图像。

5. 发明申请

US20130209120A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20130209120A1
公开(公告)日：2013-08-15
申请号：US13759443
申请日：2013-02-05
申请人： Shinichi NAMEKATA , Takeshi UCHITANI , Takamasa HASE , Shuutaroh YUASA , Kazuya SAITO , Ryota YAMASHINA , Ippei FUJIMOTO , Hiroshi SEO , Takumi WAIDA
发明人： Shinichi NAMEKATA , Takeshi UCHITANI , Takamasa HASE , Shuutaroh YUASA , Kazuya SAITO , Ryota YAMASHINA , Ippei FUJIMOTO , Hiroshi SEO , Takumi WAIDA
IPC分类号： G03G15/20
CPC分类号： G03G15/2042 , G03G2215/2035
摘要： Heat-equalizing rotation of a fixing member and a pressing member for equalizing the distribution of the temperature of a surface of the fixing member in a width direction is performed after a recording medium having a size less than or equal to a predetermined size in the width direction passes a nip portion and before a recording medium having a size greater than the predetermined size in the width direction passes the nip portion. Further, a termination condition of the heat-equalizing rotation is selected from among a plurality of different kinds of termination conditions, based on image formation related information related to next image formation performed after the heat-equalizing rotation.
摘要翻译：在具有尺寸小于或等于预定尺寸的记录介质的宽度方向上执行固定构件和用于均衡固定构件的表面在宽度方向上的温度分布的按压构件的均热旋转方向通过夹持部分，并且在宽度方向上具有大于预定尺寸的尺寸的记录介质通过夹持部分之前。此外，基于与在热均衡旋转之后进行的下一次图像形成相关的图像形成相关信息，从多个不同种类的终止条件中选择热均衡旋转的终止条件。

6. 发明申请

US20130209122A1 FIXING DEVICE 有权
公开(公告)号：US20130209122A1
公开(公告)日：2013-08-15
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.

7. 发明申请

US20130202322A1 FIXING DEVICE AND IMAGE FORMING APPARATUS 有权
标题翻译：固定装置和图像形成装置
公开(公告)号：US20130202322A1
公开(公告)日：2013-08-08
申请号：US13749164
申请日：2013-01-24
申请人： Takumi WAIDA , Ryota Yamashina , Kazuya Saito
发明人： Takumi WAIDA , Ryota Yamashina , Kazuya Saito
IPC分类号： G03G15/20
CPC分类号： G03G15/2078 , G03G15/2039 , G03G15/2046 , G03G2215/2035
摘要： A fixing device includes a rotatable fixing member that heats a surface of a recording medium on which an unfixed image is carried, a rotatable pressing member that makes pressure-contact with the fixing member to form a nip portion therebetween, a heat source that heats the fixing member, a temperature detecting unit that detects a temperature of the fixing member, and a temperature control unit that controls turning-on/off the heat source in accordance with a predetermined duty for a predetermined control cycle in a turning-on/off cycle, based on input temperature information. The temperature control unit, during execution of a continuous image-forming job for continuously forming images on a plurality of recording media, sets the control cycle and a space between the recording media to be conveyed to the nip so that a number of turn-ons of the heat source is the same for all the recording media.
摘要翻译：定影装置包括：可旋转固定构件，其加热其上载有未定影图像的记录介质的表面;与固定构件压力接触以在其间形成压合部的可旋转按压构件;加热所述固定构件的热源; 固定构件，温度检测单元，其检测定影构件的温度;以及温度控制单元，其在接通/断开循环中根据预定的控制周期，根据预定的占空比来控制热源的接通/断开，基于输入温度信息。在执行用于在多个记录介质上连续地形成图像的连续成像作业的执行期间，温度控制单元将控制周期和待传送的记录介质之间的空间设置为使得多个接通的热源对于所有记录介质是相同的。

8. 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.

9. 发明申请

US20120093534A1 FIXING DEVICE, FIXING DEVICE CONTROL METHOD, AND IMAGE FORMING APPARATUS 有权
标题翻译：固定装置，固定装置控制方法和图像形成装置
公开(公告)号：US20120093534A1
公开(公告)日：2012-04-19
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。

10. 发明申请

US20140219672A1 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：US20140219672A1
公开(公告)日：2014-08-07
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。

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