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21. 发明授权

US11170243B2 Image processing device, image forming apparatus, and image processing method 有权
公开(公告)号：US11170243B2
公开(公告)日：2021-11-09
申请号：US16886810
申请日：2020-05-29
申请人： Masamoto Nakazawa , Tadaaki Oyama , Yutaka Ohmiya
发明人： Masamoto Nakazawa , Tadaaki Oyama , Yutaka Ohmiya
IPC分类号： G06K9/20 , H04N1/00 , G06K9/00 , H04N1/028
摘要： An image processing device includes a light source, an image reader, and circuitry. The light source is configured to irradiate an object at least with invisible light. The image reader is configured to read first information and second information. The first information is included in the object and indicating a first characteristic in response to the object being irradiated with the invisible light. The second information is included in the object and indicating a second characteristic in response to the object being irradiated with the invisible light. The circuitry is configured to selectively output the first information read by the image reader.

22. 发明授权

US10616429B2 Position detecting device, image forming apparatus, and position detecting method 有权
公开(公告)号：US10616429B2
公开(公告)日：2020-04-07
申请号：US16255872
申请日：2019-01-24
申请人： Ryohma Ikemoto , Masamoto Nakazawa , Daisuke Nikaku
发明人： Ryohma Ikemoto , Masamoto Nakazawa , Daisuke Nikaku
IPC分类号： H04N1/04 , H04N1/00 , G03G15/00 , G01B11/26 , G01B11/02 , G01B5/00
CPC分类号： H04N1/00761 , G01B5/0014 , G01B11/028 , G01B11/26 , G03G15/5062 , H04N1/00702 , H04N1/00708 , H04N1/00737 , H04N1/00779 , H04N1/00785
摘要： A position detecting device includes circuitry. The circuitry is configured to control a reading device to detect, as a first detection result, an outer shape of a processing subject and a position of an image pattern on the processing subject; control the reading device to detect, as a second detection result, a mark arranged on a position reference member, the mark corresponding to a predetermined position in the reading device; and detect a first correction value of the reading device and a second correction value of the reading device corrected by the first correction value on basis of the second detection result and reflect the first correction value and the second correction value to the first detection result to correct a processing position in the processing subject.

23. 发明授权

US10609244B2 Photoelectric conversion element and image processing apparatus 有权
公开(公告)号：US10609244B2
公开(公告)日：2020-03-31
申请号：US16269592
申请日：2019-02-07
申请人： Masamoto Nakazawa , Yuuya Miyoshi , Atsushi Suzuki
发明人： Masamoto Nakazawa , Yuuya Miyoshi , Atsushi Suzuki
IPC分类号： H01L27/146 , H04N5/3745 , H04N5/00 , H04N1/03 , H04N5/363 , H04N5/369 , H04N5/365
摘要： A photoelectric conversion element includes a plurality of pixels to receive light; and a signal processor to process a signal of the pixels. The signal processor includes: a first element, being a transistor, having a first effective channel width through which a current can effectively pass through in the first element; and a second element, being a transistor, having a second effective channel width through which a current can effectively pass through in the second element. The first effective channel width of the first element is larger than the second effective channel width of the second element.

24. 发明申请

US20200053229A1 IMAGE PROCESSING APPARATUS, IMAGE PROCESSING SYSTEM, IMAGE PROCESSING METHOD, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM 审中-公开
公开(公告)号：US20200053229A1
公开(公告)日：2020-02-13
申请号：US16431954
申请日：2019-06-05
申请人： Ayumu HASHIMOTO , Masamoto Nakazawa , Masashi Watanabe , Masahiro Itoh
发明人： Ayumu HASHIMOTO , Masamoto Nakazawa , Masashi Watanabe , Masahiro Itoh
IPC分类号： H04N1/00 , H04N1/60
摘要： An image processing apparatus includes a sensor and circuitry. The sensor is configured to read a visible spectrum and an invisible spectrum of an image. The circuitry is configured to separate the image read into a visible image and an invisible image and perform different image correction processes on the visible image and the invisible image, respectively.

25. 发明授权

US10554849B2 Photoelectric conversion device, image reading apparatus, image forming apparatus, and method of photoelectric conversion 有权
公开(公告)号：US10554849B2
公开(公告)日：2020-02-04
申请号：US16427946
申请日：2019-05-31
申请人： Hideki Hashimoto , Masamoto Nakazawa
发明人： Hideki Hashimoto , Masamoto Nakazawa
IPC分类号： H04N1/40 , H04N1/193 , H04N5/361 , H04N5/369 , H04N5/378
摘要： A photoelectric conversion device includes a plurality of light receiving elements, a plurality of A/D conversion units, and an offset giving unit. The light receiving elements are arrayed in one direction and each convert a light signal into an electrical signal. The A/D conversion units perform A/D conversion on the electrical signals output from the light receiving elements. The offset giving unit gives an offset voltage of a certain level to the electrical signals output from the light receiving elements without flowing a steady current before the electrical signals are input into the A/D conversion units.

26. 发明授权

US10277846B2 Photoelectric conversion element, image reading device, image forming apparatus, and signal control method 有权
公开(公告)号：US10277846B2
公开(公告)日：2019-04-30
申请号：US14745967
申请日：2015-06-22
申请人： Naoki Asaba , Masamoto Nakazawa
发明人： Naoki Asaba , Masamoto Nakazawa
IPC分类号： H04N1/04 , H04N5/369 , H04N5/357 , H04N5/374 , H04N5/378 , H04N1/028
摘要： A photoelectric conversion element comprises: a plurality of pixels, each of which performs photoelectric conversion and outputs an analog signal; an analog processing unit that sequentially processes, on a pixel-to-pixel basis, the analog signals output from a pixel group including the pixels; and a signal supply unit that supplies a signal needed for preliminary operation to the analog processing unit so as to enable the analog processing unit to perform the preliminary operation before the analog processing unit starts to process the analog signals output from the pixel group.

27. 发明授权

US10182177B2 Signal processing device, image scanning device, image forming apparatus, and method of controlling the same 有权
公开(公告)号：US10182177B2
公开(公告)日：2019-01-15
申请号：US15485323
申请日：2017-04-12
申请人： Tomohiro Sasa , Masamoto Nakazawa , Hiroki Shirado , Hideki Hashimoto
发明人： Tomohiro Sasa , Masamoto Nakazawa , Hiroki Shirado , Hideki Hashimoto
IPC分类号： H04N1/409 , H04N1/00 , H04N1/193 , H04N1/40
摘要： A signal processing device includes a signal output circuit, a controller, and a corrector. The signal output circuit outputs a signal according to a physical quantity being input. The controller controls the signal output circuit. The corrector corrects a signal to be corrected. The signal to be corrected is output from the signal output circuit. The signal output circuit selectively performs one of first operation of outputting a characteristic signal that indicates characteristics of the signal output circuit and second operation of outputting a pseudo signal that is generated spuriously, according to control of the controller. The corrector corrects the signal to be corrected based on one of the characteristic signal and the pseudo signal output from the signal output circuit.

28. 发明申请

US20150098117A1 IMAGING DEVICE, IMAGE READING APPARATUS, IMAGE FORMING APPARATUS, AND IMAGE READING METHOD 有权
标题翻译：成像装置，图像读取装置，图像形成装置和图像读取方法
公开(公告)号：US20150098117A1
公开(公告)日：2015-04-09
申请号：US14482515
申请日：2014-09-10
申请人： Kohei MARUMOTO , Masamoto Nakazawa , Masaki Nagase
发明人： Kohei MARUMOTO , Masamoto Nakazawa , Masaki Nagase
IPC分类号： H04N1/60
CPC分类号： H04N1/6002 , H04N1/4076 , H04N1/6008
摘要： An imaging device includes photoelectric conversion elements arranged unidirectionally for each color of light to be received, and performing photoelectric conversion of reflected light from an approximately same position of an object for the each color sequentially pixel by pixel; and a black correction unit that corrects a black level of the object with respect to a pixel group including some photoelectric conversion elements in a way that an output result of the photoelectric conversion of reflected light by a photoelectric conversion element for a pixel, independent of the reflected light, is subtracted from another output result of photoelectric conversion of reflected light by the photoelectric conversion element for the same pixel.
摘要翻译：一种成像装置包括针对待接收的每种颜色的单向布置的光电转换元件，并逐个逐像素地对来自每个颜色的物体的大致相同位置的反射光进行光电转换; 以及黑色校正单元，其以相对于包括一些光电转换元件的像素组的像素组的黑色电平校正，其方式是使得由像素的光电转换元件的反射光的光电转换的输出结果独立于从相同像素的光电转换元件的反射光的光电转换的另一输出结果中减去反射光。

29. 发明申请

US20120224205A1 SIGNAL PROCESSING CIRCUIT, IMAGE SCANNER, AND IMAGE FORMING APPARATUS 有权
标题翻译：信号处理电路，图像扫描仪和图像形成装置
公开(公告)号：US20120224205A1
公开(公告)日：2012-09-06
申请号：US13397100
申请日：2012-02-15
申请人： Masamoto Nakazawa
发明人： Masamoto Nakazawa
IPC分类号： G06K15/02
CPC分类号： H04N1/00896 , H04N1/00928 , H04N1/1013 , H04N2201/04772 , H04N2201/04774
摘要： A signal processing circuit includes a generator, a transmission unit, a control unit, and a mode selector. The generator generates a process-required signal. The transmission unit transmits the process-required signal to a unit disposed after the transmission unit. The control unit supplies respective control signal to the generator and transmission unit. The control unit includes a reference clock generator constantly operated for generating a reference clock signal when the signal processing circuit is operated. The mode selector selects and shifts an operating mode of the signal processing circuit between a first mode and a second mode. In the first mode, the generator and transmission unit are supplied with respective normal control signal from the control unit for a normal operation. In the second mode, the generator is supplied with a control signal different from the normal control signal, and the transmission unit is supplied with the same normal control signal.
摘要翻译：信号处理电路包括发生器，发送单元，控制单元和模式选择器。发生器产生一个过程要求的信号。发送单元将处理要求的信号发送到设置在发送单元之后的单元。控制单元向发生器和发送单元提供相应的控制信号。控制单元包括一个恒定运行的参考时钟发生器，用于在信号处理电路运行时产生参考时钟信号。模式选择器在第一模式和第二模式之间选择和移动信号处理电路的操作模式。在第一模式中，向发生器和发送单元提供来自控制单元的各自的正常控制信号用于正常操作。在第二模式中，向发生器提供与正常控制信号不同的控制信号，并向发送单元提供相同的正常控制信号。

30. 发明授权

US11317000B2 Image processing apparatus having invisible component remover, image processing method, and recording medium 有权
公开(公告)号：US11317000B2
公开(公告)日：2022-04-26
申请号：US16911406
申请日：2020-06-25
申请人： Ayumu Hashimoto , Masamoto Nakazawa
发明人： Ayumu Hashimoto , Masamoto Nakazawa
IPC分类号： H04N1/028 , H04N1/00 , H04N1/409
摘要： An image processing apparatus includes a light source, an image sensor, and an invisible component remover. The light source emits visible component light and invisible component light to a target object. The image sensor receives reflected light from the target object to detect a visible invisible mixture image including an invisible component and a visible component and an invisible image including an invisible component. The invisible component remover, based on the visible invisible mixture image and the invisible image which have been detected, removes the invisible component from the visible invisible mixture image to generate a visible image. The invisible component remover includes a removal calculator performing a removal calculation process of an invisible component with respect to the visible invisible mixture image, and a noise reducer performing a noise reduction process on at least one of images to be input to and output from the removal calculator.

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