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公开(公告)号：US20180294752A1
公开(公告)日：2018-10-11
申请号：US15942921
申请日：2018-04-02
发明人： Masanao Motoyama , Toshiaki Minami
IPC分类号： H02P6/15
摘要： A motor control apparatus that applies a pulse voltage for each phase of a three phase brushless motor to make current flow, the apparatus provided with: a generating unit for causing the pulse voltage to be generated by shifting the phase of the pulse voltage for each phase of the three phase brushless motor; and a detecting unit for detecting a current flowing to a coil of each phase of the three phase brushless motor to which the pulse voltage is applied by switching by a predetermined sampling period for each phase one-by-one, wherein a relationship between the sampling period of the detecting unit and a phase shift amount of the pulse voltage of each phase generated by the generating unit is set so that the detecting unit can detect the current for each phase of the three phase brushless motor.
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公开(公告)号：US20210011670A1
公开(公告)日：2021-01-14
申请号：US16923504
申请日：2020-07-08
发明人： Masanao Motoyama
IPC分类号： G06F3/12
摘要： A control apparatus includes: an acquisition unit configured to acquire measurement data in continuous printing in which print images corresponding to a plurality of pages generated based on print data are continuously printed, the measurement data being data obtained by measuring a status of an image forming apparatus while the image forming apparatus is printing a print image for at least one measurement target page out of the plurality of pages without using a rest of the plurality of pages as measurement target pages; and a prediction unit configured to perform processing of predicting a possibility of a malfunction of the image forming apparatus using the measurement data.
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公开(公告)号：US11301182B2
公开(公告)日：2022-04-12
申请号：US16923504
申请日：2020-07-08
发明人： Masanao Motoyama
IPC分类号： G06F3/12
摘要： A control apparatus includes: an acquisition unit configured to acquire measurement data in continuous printing in which print images corresponding to a plurality of pages generated based on print data are continuously printed, the measurement data being data obtained by measuring a status of an image forming apparatus while the image forming apparatus is printing a print image for at least one measurement target page out of the plurality of pages without using a rest of the plurality of pages as measurement target pages; and a prediction unit configured to perform processing of predicting a possibility of a malfunction of the image forming apparatus using the measurement data.
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公开(公告)号：US09760815B2
公开(公告)日：2017-09-12
申请号：US14598672
申请日：2015-01-16
发明人： Tsutomu Takada , Hiroki Kitamura , Yoshiyuki Akiba , Shuichi Nakamura , Yusuke Yamamoto , Masanao Motoyama , Takeshi Akiyama , Kenzo Tojima , Takaaki Nagaoka
IPC分类号： G06K15/02 , H04N1/50 , H04N1/52 , H04N1/58 , H04N1/409 , G06K15/14 , H04N1/29 , H04N1/40 , H04N1/60
CPC分类号： G06K15/1878 , G06K15/14 , G06K15/188 , G06K15/1881 , H04N1/29 , H04N1/40062 , H04N1/4092 , H04N1/506 , H04N1/52 , H04N1/58 , H04N1/60 , H04N1/6027 , H04N1/6072
摘要： With this invention, color shifting correction is performed first based on shifting amount information indicating a shifting amount with respect to the scanning direction on an image carrier of each image forming unit, and halftone processing is then performed, thus suppressing generation of moiré due to the color shifting correction, and forming a high-quality image. To this end, an image forming engine has color shifting amount storage units C, M, Y, and K (black) which store actual shifting amounts with respect to ideal scan directions on image carriers C, M, Y, and K in image forming units C, M, Y, and K. Color shifting correction amount arithmetic units C, M, Y, and K calculate color shifting correction amounts for respective color components on the basis of the stored color shifting amounts. Color shifting correction units C, M, Y, and K perform color shifting correction by converting coordinates upon reading out image data from bitmap memories C, M, Y, and K on the basis of the calculated color shifting correction amounts, and then perform tone correction. Data after tone correction undergo halftone processing by halftone processors. C, M, Y, and K. PWM processors C, M, Y, and K generate PWM signals for scanning, and output them to exposure units C, M, Y, and K of the respective image forming units.
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公开(公告)号：US08964253B2
公开(公告)日：2015-02-24
申请号：US14049214
申请日：2013-10-09
发明人： Tsutomu Takada , Hiroki Kitamura , Yoshiyuki Akiba , Shuichi Nakamura , Yusuke Yamamoto , Masanao Motoyama , Takeshi Akiyama , Kenzo Tojima , Takaaki Nagaoka
CPC分类号： G06K15/1878 , G06K15/14 , G06K15/188 , G06K15/1881 , H04N1/29 , H04N1/40062 , H04N1/4092 , H04N1/506 , H04N1/52 , H04N1/58 , H04N1/60 , H04N1/6027 , H04N1/6072
摘要： Color shifting correction is performed first based on shifting amount information indicating a shifting amount with respect to the scanning direction on an image carrier of each image forming unit, and halftone processing is then performed, thus suppressing caused by color shifting correction, and forming a high-quality image. An image forming engine has color shifting amount storage units storing actual shifting amounts with respect to ideal scan directions on image carriers in image forming units. Color shifting correction amount arithmetic units calculate color shifting correction amounts for respective color components using stored color shifting amounts. Color shifting correction units perform color shifting correction by converting coordinates upon reading image data from bitmap memories using calculated color shifting correction amounts, and perform tone correction. Data after tone correction undergo halftone processing. PWM processors generate PWM signals for scanning, and output them to exposure units of respective image forming units.
摘要翻译： 首先基于表示各图像形成单元的图像载体上的相对于扫描方向的移动量的移动量信息进行颜色偏移校正，然后进行半色调处理，从而由颜色偏移校正引起的抑制，并且形成高 质量形象。 图像形成引擎具有在图像形成单元中存储相对于图像载体上的理想扫描方向的实际移动量的色移量存储单元。 颜色偏移校正量算术单元使用存储的颜色偏移量来计算各个颜色分量的颜色偏移校正量。 色移校正单元通过使用计算出的色移校正量从位图存储器读取图像数据时的坐标转换来执行色移校正，并执行色调校正。 色调校正后的数据经过半色调处理。 PWM处理器产生用于扫描的PWM信号，并将其输出到各个图像形成单元的曝光单元。
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公开(公告)号：US20140118755A1
公开(公告)日：2014-05-01
申请号：US14049214
申请日：2013-10-09
发明人： Tsutomu Takata , Hiroki Kitamura , Yoshiyuki Akiba , Shuichi Nakamura , Yusuke Yamamoto , Masanao Motoyama , Takeshi Akiyama , Kenzo Tojima , Takaaki Nagaoka
CPC分类号： G06K15/1878 , G06K15/14 , G06K15/188 , G06K15/1881 , H04N1/29 , H04N1/40062 , H04N1/4092 , H04N1/506 , H04N1/52 , H04N1/58 , H04N1/60 , H04N1/6027 , H04N1/6072
摘要： Color shifting correction is performed first based on shifting amount information indicating a shifting amount with respect to the scanning direction on an image carrier of each image forming unit, and halftone processing is then performed, thus suppressing caused by color shifting correction, and forming a high-quality image. An image forming engine has color shifting amount storage units storing actual shifting amounts with respect to ideal scan directions on image carriers in image forming units. Color shifting correction amount arithmetic units calculate color shifting correction amounts for respective color components using stored color shifting amounts. Color shifting correction units perform color shifting correction by converting coordinates upon reading image data from bitmap memories using calculated color shifting correction amounts, and perform tone correction. Data after tone correction undergo halftone processing. PWM processors generate PWM signals for scanning, and output them to exposure units of respective image forming units.
摘要翻译： 首先基于表示各图像形成单元的图像载体上的相对于扫描方向的移动量的移动量信息进行颜色偏移校正，然后进行半色调处理，从而由颜色偏移校正引起的抑制，并且形成高 质量形象。 图像形成引擎具有在图像形成单元中存储相对于图像载体上的理想扫描方向的实际移动量的色移量存储单元。 颜色偏移校正量算术单元使用存储的颜色偏移量来计算各个颜色分量的颜色偏移校正量。 色移校正单元通过使用计算出的色移校正量从位图存储器读取图像数据时的坐标转换来执行色移校正，并执行色调校正。 色调校正后的数据经过半色调处理。 PWM处理器产生用于扫描的PWM信号，并将其输出到各个图像形成单元的曝光单元。
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公开(公告)号：US10713757B2
公开(公告)日：2020-07-14
申请号：US16127367
申请日：2018-09-11
发明人： Masashi Niwa , Masanao Motoyama
IPC分类号： G06T3/00 , G06T3/60 , G06T5/50 , H04N5/21 , H04N5/235 , G06T5/00 , H04N5/355 , H04N5/232 , G06T7/223
摘要： An image processing apparatus including an input unit configured to input image data of a target frame, a first processing unit configured to perform a first processing for output image data of a reference frame related to the target frame, which is stored in the memory, to change positions of pixels in the output image data, an image processing unit configured to perform image processing for the image data of the target frame input by the input unit based on the output image data of the reference frame processed by the first processing unit, and a second processing unit configured to perform a second processing, the second processing being according to the first processing, for the image data of the target frame for which image processing has been performed by the image processing unit and to store the processed image data in the memory as output image data of the target frame.
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公开(公告)号：US10523141B2
公开(公告)日：2019-12-31
申请号：US15942921
申请日：2018-04-02
发明人： Masanao Motoyama , Toshiaki Minami
摘要： A motor control apparatus that applies a pulse voltage for each phase of a three phase brushless motor to make current flow, the apparatus provided with: a generating unit for causing the pulse voltage to be generated by shifting the phase of the pulse voltage for each phase of the three phase brushless motor; and a detecting unit for detecting a current flowing to a coil of each phase of the three phase brushless motor to which the pulse voltage is applied by switching by a predetermined sampling period for each phase one-by-one, wherein a relationship between the sampling period of the detecting unit and a phase shift amount of the pulse voltage of each phase generated by the generating unit is set so that the detecting unit can detect the current for each phase of the three phase brushless motor.
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公开(公告)号：US20190005622A1
公开(公告)日：2019-01-03
申请号：US16127367
申请日：2018-09-11
发明人： Masashi Niwa , Masanao Motoyama
CPC分类号： G06T3/606 , G06T5/002 , G06T5/50 , G06T7/223 , G06T2207/10016 , G06T2207/10144 , G06T2207/20021 , G06T2207/20208 , H04N5/21 , H04N5/232 , H04N5/2355 , H04N5/35581
摘要： An image processing apparatus including: an input unit configured to input image data of a target frame; a first processing unit configured to perform a first processing for output image data of a reference frame related to the target frame, which is stored in the memory, to change positions of pixels in the output image data; an image processing unit configured to perform image processing for the image data of the target frame input by the input unit based on the output image data of the reference frame processed by the first processing unit; and a second processing unit configured to perform a second processing, the second processing is according to the first processing, for the image data of the target frame for which image processing has been performed by the image processing unit and store the processed image data in the memory as output image data of the target frame.
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公开(公告)号：US20150131129A1
公开(公告)日：2015-05-14
申请号：US14598672
申请日：2015-01-16
发明人： Tsutomu Takada , Hiroki Kitamura , Yoshiyuki Akiba , Shuichi Nakamura , Yusuke Yamamoto , Masanao Motoyama , Takeshi Akiyama , Kenzo Tojima , Takaaki Nagaoka
CPC分类号： G06K15/1878 , G06K15/14 , G06K15/188 , G06K15/1881 , H04N1/29 , H04N1/40062 , H04N1/4092 , H04N1/506 , H04N1/52 , H04N1/58 , H04N1/60 , H04N1/6027 , H04N1/6072
摘要： With this invention, color shifting correction is performed first based on shifting amount information indicating a shifting amount with respect to the scanning direction on an image carrier of each image forming unit, and halftone processing is then performed, thus suppressing generation of moiré due to the color shifting correction, and forming a high-quality image. To this end, an image forming engine has color shifting amount storage units C, M, Y, and K (black) which store actual shifting amounts with respect to ideal scan directions on image carriers C, M, Y, and K in image forming units C, M, Y, and K. Color shifting correction amount arithmetic units C, M, Y, and K calculate color shifting correction amounts for respective color components on the basis of the stored color shifting amounts. Color shifting correction units C, M, Y, and K perform color shifting correction by converting coordinates upon reading out image data from bitmap memories C, M, Y, and K on the basis of the calculated color shifting correction amounts, and then perform tone correction. Data after tone correction undergo halftone processing by halftone processors. C, M, Y, and K. PWM processors C, M, Y, and K generate PWM signals for scanning, and output them to exposure units C, M, Y, and K of the respective image forming units.
摘要翻译： 利用本发明，首先基于在每个图像形成单元的图像载体上指示相对于扫描方向的移动量的移动量信息执行颜色偏移校正，然后执行半色调处理，从而抑制由于 颜色偏移校正，并形成高质量的图像。 为此，图像形成引擎具有在图像形成中存储图像载体C，M，Y和K上的理想扫描方向的实际移动量的色移量存储单元C，M，Y和K（黑色） 单位C，M，Y和K.颜色偏移校正量运算单元C，M，Y和K基于存储的颜色偏移量计算各个颜色分量的颜色偏移校正量。 颜色偏移校正单元C，M，Y和K基于计算出的色移校正量从位图存储器C，M，Y和K读出图像数据，通过转换坐标进行色移校正，然后执行色调 更正。 色调校正后的数据通过半色调处理器进行半色调处理。 C，M，Y和K. PWM处理器C，M，Y和K产生用于扫描的PWM信号，并将其输出到各个图像形成单元的曝光单元C，M，Y和K.
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