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1. 发明申请

US20210325806A1 HEAT FIXING DEVICE, ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS, AND LAMINATED STRUCTURAL BODY 有权
公开(公告)号：US20210325806A1
公开(公告)日：2021-10-21
申请号：US17226292
申请日：2021-04-09
申请人： CANON KABUSHIKI KAISHA
发明人： Hirotaka Fukushima , Junzo Kobayashi , Toshinori Nakayama , Shigeru Tanaka
IPC分类号： G03G15/20
摘要： The fixing device having a long durability life includes a first member, a heater, and a second member, the heater including a base material, an intermediate layer on the base material, and a surface layer on the intermediate layer, which includes a diamond-like carbon film, the base material containing at least one compound selected from the group consisting of aluminum nitride, aluminum oxide, and silicon nitride, and the intermediate layer has a ratio of [(Si)+(C)]/A of 0.8 or more, and a ratio of (Si)/(C) of more than 1.

2. 发明授权

US10831140B2 Image forming apparatus with display of stacking method in which envelope is stacked so as to fix image on flap-formed side or address print side 有权
公开(公告)号：US10831140B2
公开(公告)日：2020-11-10
申请号：US16658412
申请日：2019-10-21
申请人： CANON KABUSHIKI KAISHA
发明人： Daigo Matsuura , Yasuharu Chiyoda , Shigeru Tanaka , Mitsuru Hasegawa , Yusuke Yamaguchi , Shigeru Hirano
IPC分类号： G03G15/00
摘要： An image forming apparatus includes an image forming portion capable of forming a toner image on an envelope including a flap; a stacking portion configured to stack the envelope; a fixing portion configured to fix the toner image on the envelope; a display portion configured to display information; and a controller configured to control the display portion so that when a double-side mode in which the images are formed on the double sides of the envelope is selected, a stacking method in which the envelope is stacked on the stacking portion so as to fix the image on a flap-formed side when the envelope first passes through the fixing portion is displayed at the display portion.

3. 发明授权

US10578999B2 Image forming apparatus and image forming system 有权
公开(公告)号：US10578999B2
公开(公告)日：2020-03-03
申请号：US16508838
申请日：2019-07-11
申请人： CANON KABUSHIKI KAISHA
发明人： Shigeru Hirano , Shigeru Tanaka , Yasuharu Chiyoda , Daigo Matsuura , Mitsuru Hasegawa , Yusuke Yamaguchi
IPC分类号： G03G15/00 , G03G15/20 , H04N1/00
摘要： An image forming apparatus includes an image formation unit, an image heating unit, a placement unit, and a control unit. The image heating unit heats an image formed by image formation unit on the recording material that was placed on the placement unit. If an envelope is placed on the placement unit with a flap of the envelope in a direction perpendicular to a conveyance direction of a recording material, the control unit executed control to automatically execute two-sided printing on the envelope such that images formed on a first and a surface of the envelope are heated by the image heating unit. If an envelope is placed on the placement unit with a flap of the envelope in the conveyance direction of the recording material, the control unit executes control to inhibit execution of two-sided printing on the envelope.

4. 发明申请

US20200033772A1 IMAGE FORMING APPARATUS AND IMAGE FORMING SYSTEM 审中-公开
公开(公告)号：US20200033772A1
公开(公告)日：2020-01-30
申请号：US16508838
申请日：2019-07-11
申请人： CANON KABUSHIKI KAISHA
发明人： Shigeru Hirano , Shigeru Tanaka , Yasuharu Chiyoda , Daigo Matsuura , Mitsuru Hasegawa , Yusuke Yamaguchi
IPC分类号： G03G15/20 , H04N1/00
摘要： An image forming apparatus includes an image formation unit, an image heating unit, a placement unit, and a control unit. The image heating unit heats an image formed by image formation unit on the recording material that was placed on the placement unit. If an envelope is placed on the placement unit with a flap of the envelope in a direction perpendicular to a conveyance direction of a recording material, the control unit executed control to automatically execute two-sided printing on the envelope such that images formed on a first and a surface of the envelope are heated by the image heating unit. If an envelope is placed on the placement unit with a flap of the envelope in the conveyance direction of the recording material, the control unit executes control to inhibit execution of two-sided printing on the envelope.

5. 发明授权

US09280137B2 Image forming apparatus with development contrast control 有权
标题翻译：具有显影对比度控制的图像形成装置
公开(公告)号：US09280137B2
公开(公告)日：2016-03-08
申请号：US13834637
申请日：2013-03-15
申请人： CANON KABUSHIKI KAISHA
发明人： Shigeru Tanaka
IPC分类号： G03G21/20 , G03G15/08
CPC分类号： G03G21/20 , G03G15/0848 , G03G15/0849 , G03G21/203
摘要： An image forming apparatus includes an image bearing member, a development device which contains developer and develops a latent image on the image bearing member as a toner image, and an acquisition portion that acquires information about a residual amount of developer contained in the development device. In addition, a main body humidity sensor detects information about atmosphere humidity of a main body of the image forming apparatus, and a main body temperature sensor detects information about temperature of a main body of the image forming apparatus. A controlling portion controls development contrast as a potential difference between a DC bias applied to the development device and an image potential on the image bearing member, according to detection results of the main body humidity sensor and the main body temperature sensor, and information obtained by the acquisition portion.
摘要翻译：图像形成装置包括图像承载部件，显影装置，其包含显影剂并在图像承载部件上显影作为调色剂图像;获取部分，获取关于显影装置中所含的显影剂残留量的信息。此外，主体湿度传感器检测关于图像形成装置的主体的大气湿度的信息，并且主体温度传感器检测关于图像形成装置的主体的温度的信息。根据主体湿度传感器和主体温度传感器的检测结果，控制部分将显影对比度控制为施加到显影装置的DC偏压与图像承载部件上的图像电位之间的电位差，并且由采集部分。

6. 发明申请

US20140199088A1 IMAGE FORMING APPARATUS 审中-公开
标题翻译：图像形成装置
公开(公告)号：US20140199088A1
公开(公告)日：2014-07-17
申请号：US14218062
申请日：2014-03-18
申请人： CANON KABUSHIKI KAISHA
发明人： Shigeru Tanaka
IPC分类号： G03G15/00
CPC分类号： G03G15/5045 , G03G15/0848 , G03G15/0877
摘要： An image forming apparatus includes an image bearing member for carrying an electrostatic latent image; a developing device, containing a developer including a toner and a carrier, for developing the electrostatic latent image carried on the image bearing member into a toner image with the developer; a supplying device for supplying the toner to the developing device; a first detecting portion for detecting information on a temperature of the developing device; a second detecting portion for detecting information on a temperature of the supplying device; and a correcting portion for correcting, when detection results of the first and second detecting portions are different from each other, an image forming condition with increase of a supply amount of the supplying device.
摘要翻译：图像形成装置包括用于承载静电潜像的图像承载部件; 显影装置，包含含有调色剂和载体的显影剂，用于将承载在图像承载部件上的静电潜像显影成显影剂的调色剂图像; 用于将调色剂供给到显影装置的供给装置; 用于检测关于显影装置的温度的信息的第一检测部分; 第二检测部分，用于检测关于供应装置的温度的信息; 以及校正部分，用于当第一和第二检测部分的检测结果彼此不同时，用于当提供供给装置的供给量增加时校正图像形成条件。

7. 发明申请

US20140119754A1 IMAGE FORMING APPARATUS 审中-公开
标题翻译：图像形成装置
公开(公告)号：US20140119754A1
公开(公告)日：2014-05-01
申请号：US14150088
申请日：2014-01-08
申请人： CANON KABUSHIKI KAISHA
发明人： Shigeru Tanaka
IPC分类号： G03G21/20
CPC分类号： G03G21/20 , G03G15/065 , G03G15/50 , G03G21/203
摘要： An image forming apparatus including an image bearing member; a developing device for developing with toner an electrostatic latent image formed on the image bearing member; a humidity sensor for providing information on ambient humidity of said image forming apparatus; and a controller for controlling a parameter on a density of an image to be formed on a recording material on the basis of pieces of the information provided by the humidity sensor at different times. The controller is capable of controlling the parameter so that, when a first image forming job is ended at an ending time and then a second image forming job is executed after a lapse of a predetermined time from the ending time and in a period in which a detection result of the humidity sensor changes and then is constant, a difference between a first set value which is the parameter set during formation of a final image in a first image forming job and a second set value which is the parameter set during image formation on a first sheet in the second image forming job after the lapse of the predetermined time from the ending time, increases with an increase of proportion of a time in which the developing device is driven during the lapse of the predetermined time.
摘要翻译：一种图像形成装置，包括图像承载部件; 用于利用调色剂显影形成在图像承载部件上的静电潜像的显影装置; 用于提供关于所述图像形成装置的环境湿度的信息的湿度传感器; 以及控制器，用于基于在不同时间由湿度传感器提供的信息来控制要在记录材料上形成的图像的浓度上的参数。控制器能够控制参数，使得当第一图像形成作业在结束时结束时，然后在从结束时间经过预定时间之后执行第二图像形成作业，并且在其中湿度传感器的检测结果变化然后恒定，作为在第一图像形成作业中形成最终图像期间设置的参数的第一设定值和作为图像形成期间设定的参数的第二设定值之间的差异在从结束时间经过预定时间之后的第二图像形成作业中的第一片材随着在预定时间过去期间驱动显影装置的时间的比例的增加而增加。

8. 发明申请

US20130183049A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20130183049A1
公开(公告)日：2013-07-18
申请号：US13727755
申请日：2012-12-27
申请人： CANON KABUSHIKI KAISHA
发明人： Shigeru Tanaka
IPC分类号： G03G15/08
CPC分类号： G03G15/0877 , G03G15/0848 , G03G15/5004 , G03G21/20
摘要： An image forming apparatus includes an image bearing member, a development device, a supply developer container, a supply developer supply member, a toner density detecting portion, and a controller. The controller that controls an image formation condition based on first information regarding a humidity of the developer accommodated in the developing device, second information regarding a humidity of the developer accommodated in the supply device and third information regarding a supply amount supplied by the supply device.
摘要翻译：图像形成装置包括图像承载部件，显影装置，供给显影剂容器，供给显影剂供应部件，调色剂浓度检测部分和控制器。控制器，其基于关于容纳在显影装置中的显影剂的湿度的第一信息来控制图像形成条件，关于容纳在供给装置中的显影剂的湿度的第二信息和关于由供给装置供给的供给量的第三信息。

9. 发明授权

US10545442B1 Image heating apparatus 有权
公开(公告)号：US10545442B1
公开(公告)日：2020-01-28
申请号：US16446926
申请日：2019-06-20
申请人： CANON KABUSHIKI KAISHA
发明人： Shigeru Hirano , Ikuo Nakamoto , Shigeru Tanaka , Akihiro Maeda , Yusuke Yamaguchi , Shohei Tsuzaki , Kenji Endo , Shinsuke Takahashi
IPC分类号： G03G15/20 , G03G21/16
摘要： An image heating apparatus includes an endless belt, a rotary member configured to form a nip portion with the endless belt, regulating members for regulating the endless belt from moving in a longitudinal direction by being in contact with longitudinal ends of the endless belt, and a sheet-like heating member. The heating member includes a heat transfer member in contact with the inner surface of the endless belt, and a heating portion located on an opposite side from a side, of the heating member, in contact with the inner surface of the endless belt across the heat transfer member. Both end portions of the heat transfer member are disposed at the same location or outside of both end portions of the heating portion in the longitudinal direction and are disposed inside of both end portions of the rotary member in the longitudinal direction.

10. 发明授权

US10241433B2 Image forming apparatus that controls a fixing condition of a fixing portion based on a shape of a sheet to be used in image formation 有权
公开(公告)号：US10241433B2
公开(公告)日：2019-03-26
申请号：US15933755
申请日：2018-03-23
申请人： CANON KABUSHIKI KAISHA
发明人： Shigeru Tanaka , Yasuharu Chiyoda , Daigo Matsuura , Mitsuru Hasegawa , Yusuke Yamaguchi , Shigeru Hirano
IPC分类号： G03G15/20 , G03G13/20 , G03G13/16
摘要： An image forming apparatus includes a reading configured to read a shape of a sheet to be used for image formation, and an original sheet carrying an original image, and an image forming portion configured to form a toner image, corresponding to the original image read by the reading portion, on the sheet to be used for image formation. A fixing portion is configured to fix the toner image, formed by the image forming portion, to the sheet to be used for image formation. In addition, a controller is configured to control a fixing condition of the fixing portion in accordance with the shape of the sheet to be used for image formation read by the reading portion.

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