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1. 发明授权

US10843480B2 Inkjet printing apparatus and control method of inkjet printing apparatus 有权
公开(公告)号：US10843480B2
公开(公告)日：2020-11-24
申请号：US16271255
申请日：2019-02-08
申请人： CANON KABUSHIKI KAISHA
发明人： Ryoma Arai , Tsuyoshi Saeki , Toshiaki Tokisawa , Junya Kosuge
IPC分类号： B41J2/175 , B41J2/18 , B41J29/38
CPC分类号： B41J2/17596 , B41J2/175 , B41J2/18 , B41J29/38
摘要： An inkjet printing apparatus includes: a print head provided with an ejection opening surface; a tank; a supply flow path; a collection flow path; an intra-tank vacuum pump to reduce pressure inside the tank; and a control unit. The control unit performs a first operation and a second operation, the first operation causing the intra-tank vacuum pump to operate while a collection drive valve is closed, so as to pull out ink in a flow path which extends from the ejection opening to the supply flow path into the tank, the second operation causing the intra-tank vacuum pump to operate while a supply drive valve is closed, so as to pull out ink in a flow path which extends from the ejection opening to the collection flow path into the tank.

2. 发明授权

US10632758B2 Inkjet printing apparatus and control method of the same 有权
公开(公告)号：US10632758B2
公开(公告)日：2020-04-28
申请号：US16018592
申请日：2018-06-26
申请人： CANON KABUSHIKI KAISHA
发明人： Junya Kosuge , Yumi Mukoyama , Toshiaki Tokisawa , Tsuyoshi Saeki , Takashi Abe
IPC分类号： B41J2/175 , B41J2/18 , B41J2/19 , B41J29/38 , B41J29/02
CPC分类号： B41J2/18 , B41J2/175 , B41J2/17596 , B41J2/19 , B41J29/02 , B41J29/38 , B41J2202/07 , B41J2202/12
摘要： An inkjet printing apparatus includes a tank in which ink is contained; a print head for ejecting ink supplied from the tank to perform print operation; a supply flow path for supplying ink from the tank to the print head; a collection flow path for collecting ink from the print head to the tank; and a pump provided in the supply flow path or the collection flow path. The pump is driven, during print operation, at a first speed to circulate ink within a circulation path including the tank, the supply flow path, the print head, and the collection flow path, and the pump is driven, from a start of the ink circulation until a lapse of predetermined time period, at a second speed which is faster than the first speed.

3. 发明申请

US20130135636A1 PRINTING APPARATUS AND MEASUREMENT APPARATUS 审中-公开
标题翻译：印刷装置和测量装置
公开(公告)号：US20130135636A1
公开(公告)日：2013-05-30
申请号：US13683316
申请日：2012-11-21
申请人： CANON KABUSHIKI KAISHA
发明人： Junya Kosuge , Masaki Komatsu , Kazuhiko Onuki
IPC分类号： G06K15/02
CPC分类号： G06K15/027 , B41J3/44 , B41J13/009
摘要： During a drying period for a sheet on which a color image for colorimetric measurement has been printed, or during a colorimetric measurement period, printing of a normal image for a different sheet can be concurrently performed. A printing apparatus includes: a printing unit, for printing an image on a sheet that is conveyed along a first path; a second path, to which the sheet can be moved from the first path, and along which the sheet printed by the printing unit is retained; and a colorimetric measurement unit, for performing colorimetric measurement of the color image printed on the sheet. While the sheet received in the second path is held before colorimetric measurement is performed, or while colorimetric measurement is performed by the colorimetric measurement unit, the first path can be employed to permit the printing unit to print an image on a different sheet.
摘要翻译：在其中已经印刷了用于比色测量的彩色图像的片材的干燥时间期间，或者在比色测量期间，可以同时进行用于不同片材的正常图像的打印。一种打印设备包括：打印单元，用于在沿着第一路径传送的纸张上打印图像; 第二路径，片材可以从第一路径移动，并且保持由打印单元打印的片材; 以及比色测量单元，用于对打印在片材上的彩色图像进行比色测量。当在第二路径中接收到的片材在进行比色测量之前被保持时，或者当通过比色测量单元执行比色测量时，可以采用第一路径来允许打印单元在不同的片材上打印图像。

4. 发明申请

US20190263136A1 INKJET PRINTING APPARATUS AND CONTROL METHOD OF INKJET PRINTING APPARATUS 审中-公开
公开(公告)号：US20190263136A1
公开(公告)日：2019-08-29
申请号：US16271255
申请日：2019-02-08
申请人： CANON KABUSHIKI KAISHA
发明人： Ryoma Arai , Tsuyoshi Saeki , Toshiaki Tokisawa , Junya Kosuge
IPC分类号： B41J2/175
摘要： An inkjet printing apparatus includes: a print head provided with an ejection opening surface; a tank; a supply flow path; a collection flow path; an intra-tank vacuum pump to reduce pressure inside the tank; and a control unit. The control unit performs a first operation and a second operation, the first operation causing the intra-tank vacuum pump to operate while a collection drive valve is closed, so as to pull out ink in a flow path which extends from the ejection opening to the supply flow path into the tank, the second operation causing the intra-tank vacuum pump to operate while a supply drive valve is closed, so as to pull out ink in a flow path which extends from the ejection opening to the collection flow path into the tank.

5. 发明申请

US20190009557A1 INKJET PRINTING APPARATUS 审中-公开
公开(公告)号：US20190009557A1
公开(公告)日：2019-01-10
申请号：US16005335
申请日：2018-06-11
申请人： CANON KABUSHIKI KAISHA
发明人： Ryoma Arai , Junya Kosuge , Takashi Abe , Yumi Mukoyama , Kyoshiro Okude
IPC分类号： B41J2/175
CPC分类号： B41J2/17523 , B41J2/17509 , B41J2/17513 , B41J2/17553 , B41J2/17596 , B41J2/18 , B41J2/19 , B41J29/02
摘要： An inkjet printing apparatus includes a tank, a print head including a pressure chamber filled with ink supplied from the tank and an ejection opening which is communicated with the pressure chamber and which ejects ink filled in the pressure chamber a supply flow path for supplying ink from the tank to the print head, a collection flow path for collecting ink from the print head to the tank, a circulation unit configured to circulate ink so as to flow through the supply flow path, an inside of the pressure chamber, and the collection flow path, and a buffer chamber disposed inside the print head or in the collection flow path and which is volume variable. The tank is disposed higher than the print head in a vertical direction, and a one-way valve is provided between the buffer chamber and the tank in the collection flow path.

6. 发明申请

US20140218434A1 PRINTING APPARATUS AND COLORIMETRIC METHOD 审中-公开
标题翻译：打印设备和彩色方法
公开(公告)号：US20140218434A1
公开(公告)日：2014-08-07
申请号：US14162624
申请日：2014-01-23
申请人： CANON KABUSHIKI KAISHA
发明人： Junya Kosuge
IPC分类号： B41J2/21
CPC分类号： B41J2/21 , B41J29/38 , H04N1/6083 , H04N1/6091
摘要： A printed color pattern is subjected to accurate colorimetry irrespective of the type of sheet to be used or the like, and further, sheet consumption is reduced. For the purpose of this, a printing apparatus includes: a print unit configured to perform printing on a sheet; a sensor configured to subject a color pattern formed on the sheet printed; and a mechanism configured to press the sheet against a reference surface at the time of the colorimetry by the sensor. In a case where the color pattern is printed, a position, at which the color pattern in a sheet movement direction is started to be printed, is varied based on the type of sheet to be used. After the color pattern is printed, the sheet is pressed by the mechanism in a state in which a part of the sheet including the sheet tip is suspended from the reference surface.
摘要翻译：印刷的颜色图案经受精确的比色法，而与使用的片材的类型等无关，此外，片材消耗减少。为此，打印设备包括：打印单元，被配置为在片材上执行打印; 传感器，被配置为对形成在所述印刷品上的彩色图案进行拍摄; 以及构造成在所述传感器进行比色法时将所述片材压靠在基准面上的机构。在打印色彩图案的情况下，基于要使用的片材的类型来改变在片材移动方向上开始印刷的彩色图案的位置。在印刷了彩色图案之后，在包括片材尖端的片材的一部分悬挂在参考表面上的状态下，片材被机构按压。

7. 发明申请

US20210178777A1 INKJET PRINTING APPARATUS AND CONTROL METHOD OF THE SAME 有权
公开(公告)号：US20210178777A1
公开(公告)日：2021-06-17
申请号：US17189310
申请日：2021-03-02
申请人： CANON KABUSHIKI KAISHA
发明人： Junya Kosuge , Yumi Mukoyama , Toshiaki Tokisawa , Tsuyoshi Saeki , Takashi Abe
IPC分类号： B41J2/18 , B41J2/19 , B41J29/38 , B41J2/175 , B41J29/02
摘要： An inkjet printing apparatus includes a tank in which ink is contained; a print head for ejecting ink supplied from the tank to perform print operation; a supply flow path for supplying ink from the tank to the print head; a collection flow path for collecting ink from the print head to the tank; and a pump provided in the supply flow path or the collection flow path. The pump is driven, during print operation, at a first speed to circulate ink within a circulation path including the tank, the supply flow path, the print head, and the collection flow path, and the pump is driven, from a start of the ink circulation until a lapse of predetermined time period, at a second speed which is faster than the first speed.

8. 发明授权

US10960678B2 Inkjet printing apparatus and control method of the same 有权
公开(公告)号：US10960678B2
公开(公告)日：2021-03-30
申请号：US16813847
申请日：2020-03-10
申请人： CANON KABUSHIKI KAISHA
发明人： Junya Kosuge , Yumi Mukoyama , Toshiaki Tokisawa , Tsuyoshi Saeki , Takashi Abe
IPC分类号： B41J2/175 , B41J2/18 , B41J2/19 , B41J29/38 , B41J29/02
摘要： An inkjet printing apparatus includes a tank in which ink is contained; a print head for ejecting ink supplied from the tank to perform print operation; a supply flow path for supplying ink from the tank to the print head; a collection flow path for collecting ink from the print head to the tank; and a pump provided in the supply flow path or the collection flow path. The pump is driven, during print operation, at a first speed to circulate ink within a circulation path including the tank, the supply flow path, the print head, and the collection flow path, and the pump is driven, from a start of the ink circulation until a lapse of predetermined time period, at a second speed which is faster than the first speed.

9. 发明授权

US10766265B2 Ink jet printing apparatus 有权
公开(公告)号：US10766265B2
公开(公告)日：2020-09-08
申请号：US16293204
申请日：2019-03-05
申请人： CANON KABUSHIKI KAISHA
发明人： Toshiaki Tokisawa , Junya Kosuge , Kyoshiro Okude , Yumi Mukoyama
IPC分类号： B41J2/175 , B41J2/21
摘要： An object of the present invention is to provide an ink jet printing apparatus whose compactness is improved. The ink jet printing apparatus includes: a print head; an ink tank for each ink color; an ink flow path plate for each ink color having a supply flow path that guides the ink supplied from the ink tank to the print head and a recovery flow path that guides the ink recovered from the print head to the ink tank; a flow path concentration plate in which the supply flow path and the recovery flow path for each ink color are concentrated and which guides the ink between the ink flow path plate and the print head; and one or a plurality of function parts provided within a range of a space demarcated by the ink flow path plate and the flow path concentration plate.

10. 发明授权

US10336085B2 Inkjet printing apparatus 有权
公开(公告)号：US10336085B2
公开(公告)日：2019-07-02
申请号：US16005335
申请日：2018-06-11
申请人： CANON KABUSHIKI KAISHA
发明人： Ryoma Arai , Junya Kosuge , Takashi Abe , Yumi Mukoyama , Kyoshiro Okude
IPC分类号： B41J2/175
摘要： An inkjet printing apparatus includes a tank, a print head including a pressure chamber filled with ink supplied from the tank and an ejection opening which is communicated with the pressure chamber and which ejects ink filled in the pressure chamber a supply flow path for supplying ink from the tank to the print head, a collection flow path for collecting ink from the print head to the tank, a circulation unit configured to circulate ink so as to flow through the supply flow path, an inside of the pressure chamber, and the collection flow path, and a buffer chamber disposed inside the print head or in the collection flow path and which is volume variable. The tank is disposed higher than the print head in a vertical direction, and a one-way valve is provided between the buffer chamber and the tank in the collection flow path.

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