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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

US20150261162A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20150261162A1
公开(公告)日：2015-09-17
申请号：US14619387
申请日：2015-02-11
申请人： Satoshi KANEKO , Shinji KATO , Shuji HIRAI , Hideo MUROI , Terumichi OCHI
发明人： Satoshi KANEKO , Shinji KATO , Shuji HIRAI , Hideo MUROI , Terumichi OCHI
IPC分类号： G03G15/00
CPC分类号： G03G15/5041 , G03G15/043 , G03G15/065
摘要： An image forming apparatus includes a latent image bearer, a toner image forming unit, and a transfer device. The toner image forming unit includes a charger, a latent image forming device, and a developing device, and is configured to form a test latent image pattern on a surface of the latent image bearer, and to develop the test latent image pattern into a test toner pattern. The test latent image pattern includes a plurality of test latent image parts partly offset from one another in a main scanning direction. The image forming apparatus also includes a developing current detector and a processor to detect uneven image density in the main scanning direction using the test latent image pattern, based on the developing current detected by the developing current detector, to adjust the uneven image density in the main scanning direction.
摘要翻译：图像形成装置包括潜像载体，调色剂图像形成单元和转印装置。调色剂图像形成单元包括充电器，潜像形成装置和显影装置，并且被配置为在潜像承载体的表面上形成测试潜像图案，并将测试潜像图案显影成测试墨粉图案。测试潜像图案包括在主扫描方向上彼此部分偏移的多个测试潜像部分。图像形成装置还包括显影电流检测器和处理器，用于基于由显影电流检测器检测到的显影电流，使用测试潜像图案来检测主扫描方向上的不均匀图像浓度，以调整不均匀图像浓度主扫描方向。

5. 发明申请

US20160223934A1 IMAGE FORMING APPARATUS AND CORRECTION DATA GENERATION METHOD 有权
标题翻译：图像形成装置和校正数据生成方法
公开(公告)号：US20160223934A1
公开(公告)日：2016-08-04
申请号：US15009990
申请日：2016-01-29
申请人： Naoto WATANABE , Shuji HIRAI , Satoshi KANEKO , Terumichi OCHI , Muneaki IWATA
发明人： Naoto WATANABE , Shuji HIRAI , Satoshi KANEKO , Terumichi OCHI , Muneaki IWATA
IPC分类号： B41J2/385
CPC分类号： G03G15/043 , H04N1/0283 , H04N1/04 , H04N1/06 , H04N1/113 , H04N2201/04755
摘要： An image forming apparatus includes: a latent image forming unit that forms a latent image on a latent image bearer with light from a light source; and a correction data generating unit that includes: an acquiring unit that acquires, for each position, a correction value of an intensity of the light source to equalize a density distribution of a latent image; a quantizing unit that generates a correction data for each position by quantizing a correction value for each position; and an excessive correction suppressing unit that outputs the correction data after reducing an amount of change from an immediately preceding latent image formation position, with respect to a position at which an absolute value of a restored value indicating a correction amount and generated based on the correction data exceeds an absolute value of the correction value.
摘要翻译：图像形成装置包括：潜像形成单元，其利用来自光源的光在潜像载体上形成潜像; 以及校正数据生成单元，包括：获取单元，对于每个位置，获取所述光源的强度的校正值以均衡潜像的浓度分布; 量化单元，其通过量化每个位置的校正值来生成每个位置的校正数据; 以及过度校正抑制单元，在相对于表示校正量的恢复值的绝对值并基于校正而产生的恢复值的绝对值的位置之后，输出修正数据，该校正数据在减少从紧接在前的潜像形成位置开始的变化量之后，数据超过校正值的绝对值。

6. 发明申请

US20160187807A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20160187807A1
公开(公告)日：2016-06-30
申请号：US14971106
申请日：2015-12-16
申请人： Shuji HIRAI , Satoshi KANEKO , Terumichi OCHI
发明人： Shuji HIRAI , Satoshi KANEKO , Terumichi OCHI
IPC分类号： G03G15/06
CPC分类号： G03G15/065 , G03G15/0266 , G03G15/043
摘要： An image forming apparatus includes an image forming section that includes a latent image bearer; a charger to charge a surface of the latent image bearer; and a latent image writer to write a latent image on the charged surface of the latent image bearer. The image forming apparatus further includes a developing device to develop the latent image with a developer borne on a developer bearer; and a cyclical changing device including a controller and a write controller, in combination. The cyclical changing device cyclically changes a developing bias to be applied to the developer bearer while cyclically changing a charge intensity of the charger during the image formation by the image forming section. The cyclical changing device cyclically changes the developing bias and the charge intensity, and a latent image write intensity of the latent image writer.
摘要翻译：图像形成装置包括：图像形成部，其包括潜像载体; 充电器，用于对潜像载体的表面充电; 以及潜像写入器，用于在潜像载体的带电表面上写入潜像。图像形成装置还包括显影装置，用显影剂载体上的显影剂显影潜像; 以及包括控制器和写入控制器的循环改变装置。循环变化装置循环地改变施加到显影剂载体的显影偏压，同时在图像形成部分的图像形成期间周期性地改变充电器的电荷强度。循环变化装置循环地改变显影偏压和电荷强度，以及潜像写入器的潜像写入强度。

7. 发明申请

US20180136593A1 IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：US20180136593A1
公开(公告)日：2018-05-17
申请号：US15713838
申请日：2017-09-25
申请人： Satoshi KANEKO , Shuji HIRAI , Yuuichiroh UEMATSU , Terumichi OCHI
发明人： Satoshi KANEKO , Shuji HIRAI , Yuuichiroh UEMATSU , Terumichi OCHI
IPC分类号： G03G15/16 , G03G15/00 , G03G21/16
CPC分类号： G03G15/1615 , G03G13/14 , G03G15/011 , G03G15/065 , G03G15/5008 , G03G15/5025 , G03G15/5041 , G03G15/5058 , G03G21/1647 , G03G21/1676 , G03G21/203 , G03G2215/00042 , G03G2221/1657
摘要： An image forming apparatus includes an image forming unit and a controller. The image forming unit includes a latent image bearer, a charger to charge the latent image bearer, an exposure device to expose a latent image on the surface of the latent image bearer, and a developing device to develop the latent image with a developer. The controller executes an image forming process, a first fluctuation control that cyclically changes a developing bias supplied to the developing device based on predetermined first pattern data, and a second fluctuation control that cyclically changes a charging bias supplied to the charger based on predetermined second pattern data, in parallel. The controller executes a determination process to determine whether the controller executes the first fluctuation control. When the controller determines not to execute the first fluctuation control, the controller determines not to execute the second fluctuation control, too.

8. 发明申请

US20170269527A1 IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD 有权
公开(公告)号：US20170269527A1
公开(公告)日：2017-09-21
申请号：US15447696
申请日：2017-03-02
申请人： Satoshi KANEKO , Terumichi OCHI , Shuji HIRAI
发明人： Satoshi KANEKO , Terumichi OCHI , Shuji HIRAI
IPC分类号： G03G15/00
CPC分类号： G03G15/5025 , G03G15/1605 , G03G15/5058 , G03G2215/0129 , G03G2215/0164
摘要： An image forming apparatus includes an image forming device, an image density detector, and an output change device configured to cause the image forming device to form a test toner image while cyclically changing a charging power based on a charging change pattern and a developing bias based on a developing change pattern, generate an image density fluctuation pattern of the test toner image in a rotation direction of the latent image bearer, generate a writing change pattern to cyclically change a power of latent image writing based on the image density fluctuation pattern of the test toner image and one of the charging change pattern and a correlative pattern correlated with the charging change pattern. The output change device is configured to cyclically change the power of latent image writing based on the writing change pattern during image formation according to a user command.

9. 发明申请

US20190179246A1 IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：US20190179246A1
公开(公告)日：2019-06-13
申请号：US16181668
申请日：2018-11-06
申请人： Satoshi KANEKO , Yuuichiroh UEMATSU , Terumichi OCHI
发明人： Satoshi KANEKO , Yuuichiroh UEMATSU , Terumichi OCHI
IPC分类号： G03G15/00 , G03G15/06
摘要： An image forming apparatus includes a latent image bearer, a charger to charge the latent image bearer with a charging bias obtained by superimposing a charge fluctuation voltage to reduce an image density fluctuation on a direct current charging voltage, a writing device to write a latent image on the latent image bearer with writing intensity obtained by superimposing fluctuating writing intensity to reduce an image density fluctuation on constant writing intensity, a developing sleeve to which a developing bias obtained by superimposing a fluctuating developing voltage to reduce an image density fluctuation on a direct current developing voltage is applied to develop the latent image, and circuitry to control the charging bias, the writing intensity, and the developing bias. The circuitry changes the charge fluctuation voltage and the fluctuating developing voltage depending on whether the writing device writes the latent image with the fluctuating writing intensity.

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