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1. 发明授权

US09658577B2 Image forming apparatus having transfer belt rollers of specific shapes 有权
公开(公告)号：US09658577B2
公开(公告)日：2017-05-23
申请号：US14676035
申请日：2015-04-01
申请人： CANON KABUSHIKI KAISHA
发明人： Yutaka Kakehi , Hiroshi Kokubo , Haruhiko Omata , Takashi Fujita , Hideaki Kosasa
IPC分类号： G03G15/16
CPC分类号： G03G15/1605 , G03G15/167 , G03G2215/1623
摘要： An image forming apparatus includes: an image bearing member; a toner image forming unit; an endless transfer belt; a transfer roller urged from an inner peripheral surface of the transfer belt toward the image bearing member via the transfer belt; a feeding surface forming roller, provided downstream of the transfer roller with respect to a traveling direction of the transfer belt, having such a shape that a diameter at each of end portions is smaller than a diameter at a central portion with respect to a rotational axis direction; and a stretching roller, downstream of the feeding surface forming roller with respect to the traveling direction of the transfer belt, having such a shape that a diameter at each of end portions is larger than a diameter at a central portion with respect to the rotational axis direction.

2. 发明申请

US20170115621A1 IMAGE FORMING SYSTEM 审中-公开
公开(公告)号：US20170115621A1
公开(公告)日：2017-04-27
申请号：US15398345
申请日：2017-01-04
申请人： CANON KABUSHIKI KAISHA
发明人： Takashi Fujita , Nobuhiro Tani
IPC分类号： G03G15/00
CPC分类号： G03G15/80 , G03G15/5016 , G03G2215/0129
摘要： An image forming apparatus has an apparatus body having an image forming portion capable of forming an image based on an image information, an operation unit disposed as a separate body from the apparatus body and operating the apparatus body, and a cable connecting the apparatus body and the operation unit and capable of conducting power. The cable has a length set so that the operation unit does not contact an installation surface on which the apparatus body is supported, according to which a freedom of placement of the operation unit is improved compared to a case where the operation unit is connected via an arm.

3. 发明授权

US09575457B2 Image forming apparatus with operation unit cable 有权
标题翻译：具有操作单元电缆的图像形成装置
公开(公告)号：US09575457B2
公开(公告)日：2017-02-21
申请号：US14855681
申请日：2015-09-16
申请人： CANON KABUSHIKI KAISHA
发明人： Takashi Fujita , Nobuhiro Tani
IPC分类号： G03G21/16 , G03G15/00
CPC分类号： G03G15/80 , G03G15/5016 , G03G2215/0129
摘要： An image forming apparatus has an apparatus body having an image forming portion capable of forming an image based on an image information, an operation unit disposed as a separate body from the apparatus body and operating the apparatus body, and a cable connecting the apparatus body and the operation unit and capable of conducting power. The cable has a length set so that the operation unit does not contact an installation surface on which the apparatus body is supported, according to which a freedom of placement of the operation unit is improved compared to a case where the operation unit is connected via an arm.
摘要翻译：图像形成装置具有：具有能够基于图像信息形成图像的图像形成部的装置主体，作为与装置主体分离的主体并且操作装置主体的操作部，以及连接装置主体和操作单元并且能够进行动力。电缆具有长度设定，使得操作单元不接触装置本体被支撑的安装表面，与操作单元经由操作单元连接的情况相比，改善了操作单元的放置自由度臂。

4. 发明授权

US09206005B2 Sheet conveying apparatus and image forming apparatus 有权
标题翻译：片材输送装置和成像装置
公开(公告)号：US09206005B2
公开(公告)日：2015-12-08
申请号：US14483496
申请日：2014-09-11
申请人： CANON KABUSHIKI KAISHA
发明人： Takashi Fujita , So Matsumoto
IPC分类号： B65H5/06 , B65H3/06 , B65H9/00 , B65H7/06
CPC分类号： B65H5/068 , B65H3/06 , B65H5/062 , B65H7/06 , B65H7/08 , B65H9/002 , B65H9/166 , B65H2403/21 , B65H2404/1341 , B65H2404/1424 , B65H2404/1431 , B65H2404/1441 , B65H2404/172 , B65H2511/20 , B65H2513/512 , B65H2513/514 , B65H2513/53 , B65H2701/1311 , B65H2220/01 , B65H2220/02 , B65H2220/11 , B65H2220/03
摘要： A sheet conveying apparatus has a conveying rotating member, a follower rotating member which is disposed to face the conveying rotating member, a support member which passes through a hollow portion of the follower rotating member and supports the follower rotating member, a pressure portion which biases the support member toward the conveying rotating member so that the follower rotating member comes into contact with the conveying rotating member a first bearing portion which is disposed between an outer peripheral surface of the support member and an inner peripheral surface of the follower rotating member and rotatable supports the follower rotating member with respect to the support member, and a second bearing portion which movably supports the support member and has a slide friction coefficient higher than that of the bearing portion.
摘要翻译：片材输送装置具有输送旋转部件，与传送旋转部件相对配置的从动旋转部件，通过从动旋转部件的中空部并支承从动旋转部件的支撑部件，偏压部所述支撑构件朝向所述输送旋转构件，使得所述从动旋转构件与所述输送旋转构件接触;第一支承部，其设置在所述支撑构件的外周面与所述从动旋转构件的内周面之间，并且能够旋转相对于支撑构件支撑从动旋转构件，以及第二轴承部，其可移动地支撑支撑构件并且具有高于轴承部的滑动摩擦系数。

5. 发明授权

US09132680B2 Inkjet printing apparatus and check pattern printing method 有权
标题翻译：喷墨打印设备和检查图案打印方法
公开(公告)号：US09132680B2
公开(公告)日：2015-09-15
申请号：US14325629
申请日：2014-07-08
申请人： CANON KABUSHIKI KAISHA
发明人： Tohru Ikeda , Akihiko Nakatani , Okinori Tsuchiya , Takashi Fujita , Hiromitsu Akiba , Takeru Sasaki
IPC分类号： B41J29/38 , B41J29/393
CPC分类号： B41J29/393 , B41J2/2142 , B41J2/2146
摘要： A check pattern is printed which makes it possible to detect, with high precision, individual patterns corresponding to nozzles of a print head of an inkjet printing apparatus. More specifically, after an alignment mark is printed, ejection of an ink from the nozzles is stopped for a certain time. Because of this stoppage time, the concentration of a coloring material of the ink ejected from the nozzles increases, whereby the optical density of an analysis pattern which is printed later can be increased. In this manner, a scanner can read, with high precision, the patterns corresponding to the nozzles.
摘要翻译：印刷了一种检查图案，其能够高精度地检测与喷墨打印设备的打印头的喷嘴相对应的各个图案。更具体地说，在打印了一个对准标记之后，墨水从喷嘴的喷射停止一段时间。由于这个停止时间，从喷嘴喷出的油墨的着色材料的浓度增加，从而能够提高随后印刷的分析图案的光密度。以这种方式，扫描仪可以高精度地读取与喷嘴对应的图案。

6. 发明授权

US08965138B2 Image processing apparatus and method of controlling the same 有权
标题翻译：图像处理装置及其控制方法
公开(公告)号：US08965138B2
公开(公告)日：2015-02-24
申请号：US13933430
申请日：2013-07-02
申请人： Canon Kabushiki Kaisha
发明人： Yugo Mochizuki , Fumihiro Goto , Akihiko Nakatani , Okinori Tsuchiya , Takashi Nakamura , Takashi Fujita , Ayumi Sano , Mitsuhiro Ono , Hidetsugu Kagawa
IPC分类号： G06K9/36 , G06T9/00 , H04N19/186 , H04N19/102 , H04N1/41 , H04N19/59 , H04N19/60
CPC分类号： H04N1/64 , G06T9/00 , H04N1/41 , H04N1/4115 , H04N1/642 , H04N19/102 , H04N19/132 , H04N19/14 , H04N19/176 , H04N19/186 , H04N19/59 , H04N19/60
摘要： In an image processing apparatus for encoding image data and a method of controlling the same, whether an attribute of each of a plurality of areas in image data corresponds to an edge in an image based on the image data is determined, and one of a plurality of sub-sampling processes is selected according to the determination for each of the plurality of areas. Note that the plurality of sub-sampling processes can sub-sample color difference components of each of the plurality of areas by different processes. By the sub-sampling process selected as that corresponding to each of the plurality of areas, each of the plurality of areas is sub-sampled to encode the image data.
摘要翻译：在对图像数据进行编码的图像处理装置及其控制方法中，确定图像数据中的多个区域中的每一个的属性是否对应于基于图像数据的图像中的边缘，并且确定多个区域中的一个根据多个区域中的每一个的确定来选择子采样处理。注意，多个子采样处理可以通过不同的处理对多个区域中的每一个的色差分量进行子采样。通过选择为与多个区域中的每一个相对应的子采样处理，对多个区域中的每一个进行子采样以对图像数据进行编码。

7. 发明申请

US20150022863A1 IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD 有权
标题翻译：图像处理装置和图像处理方法
公开(公告)号：US20150022863A1
公开(公告)日：2015-01-22
申请号：US14329316
申请日：2014-07-11
申请人： CANON KABUSHIKI KAISHA
发明人： Takashi Fujita , Hiroyuki Sakai , Tetsuya Suwa , Yusuke Hashii , Akitoshi Yamada , Masao Kato
IPC分类号： G06K15/02
CPC分类号： G06K15/188 , H04N1/64 , H04N1/644
摘要： An image processing apparatus executes color conversion so that when printing is performed based on image data compressed and decompressed with a lossy compression method, the image data reproduces expected colors of the image data before compression. More specifically, a range of a signal value of a black image affected by compression of image data, such as black character to be printed with black ink, is obtained, and a color separation table is generated such that color ink is not used but black ink is used within this range. This allows the image data to reproduce expected colors of the image data before compression when printing is performed based on the image data compressed and decompressed with a lossy compression method.
摘要翻译：图像处理装置执行颜色转换，使得当基于用有损压缩方法压缩和解压缩的图像数据进行打印时，图像数据在压缩之前再现预期的图像数据的颜色。更具体地，获得受黑图像的压缩影响的黑色图像的信号值的范围，例如用黑色墨水打印的黑色字符，并且生成颜色分离表，使得不使用彩色墨水而是黑色在这个范围内使用墨水。这允许图像数据在基于用有损压缩方法压缩和解压缩的图像数据执行打印时再现压缩之前的图像数据的预期颜色。

8. 发明申请

US20150015637A1 INKJET PRINTING APPARATUS AND CHECK PATTERN PRINTING METHOD 有权
标题翻译：喷墨打印设备和检查图案打印方法
公开(公告)号：US20150015637A1
公开(公告)日：2015-01-15
申请号：US14325629
申请日：2014-07-08
申请人： CANON KABUSHIKI KAISHA
发明人： Tohru Ikeda , Akihiko Nakatani , Okinori Tsuchiya , Takashi Fujita , Hiromitsu Akiba , Takeru Sasaki
IPC分类号： B41J29/393
CPC分类号： B41J29/393 , B41J2/2142 , B41J2/2146
摘要： A check pattern is printed which makes it possible to detect, with high precision, individual patterns corresponding to nozzles of a print head of an inkjet printing apparatus. More specifically, after an alignment mark is printed, ejection of an ink from the nozzles is stopped for a certain time. Because of this stoppage time, the concentration of a coloring material of the ink ejected from the nozzles increases, whereby the optical density of an analysis pattern which is printed later can be increased. In this manner, a scanner can read, with high precision, the patterns corresponding to the nozzles.
摘要翻译：印刷了一种检查图案，其能够高精度地检测与喷墨打印设备的打印头的喷嘴相对应的各个图案。更具体地说，在打印了一个对准标记之后，墨水从喷嘴的喷射停止一段时间。由于这个停止时间，从喷嘴喷出的油墨的着色材料的浓度增加，从而能够提高随后印刷的分析图案的光密度。以这种方式，扫描仪可以高精度地读取与喷嘴对应的图案。

9. 发明授权

US11104156B2 Printing apparatus, image processing apparatus, image processing method, and storage medium 有权
公开(公告)号：US11104156B2
公开(公告)日：2021-08-31
申请号：US16458604
申请日：2019-07-01
申请人： CANON KABUSHIKI KAISHA
发明人： Okinori Tsuchiya , Takashi Fujita , Takeru Sasaki , Hiroaki Ogawa , Akitoshi Yamada
IPC分类号： B41J2/355 , B41J2/525
摘要： A printing apparatus includes a print head having a heat generation element, a generation unit that generates print data for driving the heat generation element to form an image on a print medium and a drive unit that drives the heat generation element on a basis of the print data generated by the generation unit. The print medium includes a laminate of a plurality of image forming layers that generate develop mutually different colors by receiving heat. The generation unit generates the print data depending on a type of the print medium among a plurality of print medium types that differ from each other in order of lamination of the plurality of image forming layers.

10. 发明授权

US10915036B2 Image forming apparatus and method of controlling same 有权
公开(公告)号：US10915036B2
公开(公告)日：2021-02-09
申请号：US16429535
申请日：2019-06-03
申请人： CANON KABUSHIKI KAISHA
发明人： Hiroaki Ogawa , Takeru Sasaki , Takashi Fujita , Okinori Tsuchiya , Akitoshi Yamada
IPC分类号： G03G15/01 , G03G15/00
摘要： An image forming apparatus comprises a printhead configured to add energy to an image material including a plurality of color development layers that have different color development characteristics and develop colors in response to heat; and a control unit configured to output, based on image data, signal patterns corresponding to the plurality of color development layers and at least one signal pattern corresponding to a color reproduced by causing at least two of the plurality of color development layers to develop colors used to control the energy to be added to the image material by the printhead.

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