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1. 发明授权

US09057975B2 Image forming apparatus with multiple light sources timing control 有权
标题翻译：具有多光源定时控制的图像形成装置
公开(公告)号：US09057975B2
公开(公告)日：2015-06-16
申请号：US14103001
申请日：2013-12-11
申请人： CANON KABUSHIKI KAISHA
发明人： Hironobu Nihei , Takayuki Mizuta
IPC分类号： B41J2/435 , B41J2/47 , G03G15/043 , G03G21/14
CPC分类号： G03G15/043 , G03G21/14
摘要： An image forming apparatus includes first and second photosensitive members; first and second light sources; a rotatable polygonal mirror; a first signal output portion; and a second signal output portion. The first light source emits the light at timing on the basis of the first signal, and the second light source emits the light at timing on the basis of the second signal so that latent images are formed on the first and second photosensitive members, respectively, and then are developed with developers to form developer images on the first and second photosensitive members, respectively, and then an image is formed by superposing the developer images. Before output of a second signal from the second signal output portion is started, the first light source emits the light on the basis of a first signal to start formation of the latent image on the first photosensitive member.
摘要翻译：图像形成装置包括第一和第二感光构件; 第一和第二光源; 可旋转多面镜; 第一信号输出部分; 和第二信号输出部分。第一光源基于第一信号在定时发射光，并且第二光源基于第二信号在定时发射光，使得潜像分别形成在第一和第二光敏部件上，然后用显影剂显影以分别在第一和第二感光构件上形成显影剂图像，然后通过叠加显影剂图像形成图像。在来自第二信号输出部分的第二信号的输出开始之前，第一光源基于第一信号发射光，以开始在第一感光部件上形成潜像。

2. 发明授权

US09927751B2 Image forming apparatus 有权
公开(公告)号：US09927751B2
公开(公告)日：2018-03-27
申请号：US15365314
申请日：2016-11-30
申请人： CANON KABUSHIKI KAISHA
发明人： Hironobu Nihei
IPC分类号： G06K15/02 , G06K15/16 , G03G15/23 , G03G15/01
CPC分类号： G03G15/234 , G03G15/0131 , G03G15/0136 , G03G15/0189 , G03G2221/1657
摘要： The motor that drives a reverse unit, and a CPU configured to switch an image formation mode between a full color mode for forming an image using image forming stations and a black and white mode for forming an image using the image forming station are provided. If the image is formed on a first recording material supplied by a sheet feeding roller pair and subsequently an image is formed on a second recording material supplied by a sheet refeeding unit, the motor continuously drives the reverse unit. If the image formation mode for the first recording material is different from the image formation mode for the second recording material, the CPU switches the image formation mode to the full color mode, and forms the images on the first recording material and the second recording material.

3. 发明申请

US20170082962A1 IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：US20170082962A1
公开(公告)日：2017-03-23
申请号：US15365314
申请日：2016-11-30
申请人： CANON KABUSHIKI KAISHA
发明人： Hironobu Nihei
IPC分类号： G03G15/23 , G03G15/01
CPC分类号： G03G15/234 , G03G15/0131 , G03G15/0136 , G03G15/0189 , G03G2221/1657
摘要： The motor that drives a reverse unit, and a CPU configured to switch an image formation mode between a full color mode for forming an image using image forming stations and a black and white mode for forming an image using the image forming station are provided. If the image is formed on a first recording material supplied by a sheet feeding roller pair and subsequently an image is formed on a second recording material supplied by a sheet refeeding unit, the motor continuously drives the reverse unit. If the image formation mode for the first recording material is different from the image formation mode for the second recording material, the CPU switches the image formation mode to the full color mode, and forms the images on the first recording material and the second recording material.

4. 发明申请

US20160274512A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20160274512A1
公开(公告)日：2016-09-22
申请号：US15061112
申请日：2016-03-04
申请人： CANON KABUSHIKI KAISHA
发明人： Hironobu Nihei , Naoki Inoue
IPC分类号： G03G15/20
CPC分类号： G03G15/2053 , G03G15/2028 , G03G15/70 , G03G21/1638 , G03G21/1685 , G03G2215/0132 , G03G2215/2035
摘要： The image forming apparatus includes a sheet discharge sensor that detects a recording material, a fixing device that nips the recording material to fix an unfixed toner image onto the recording material, a fixing motor that drives the fixing device, and an engine control unit that controls the fixing motor. The fixing device includes a fixing roller, a pressure unit that forms a first nip portion with the fixing roller to press the fixing roller, and a heating unit that forms a second nip portion with the fixing roller to heat the fixing roller. The first nip portion nips the recording material to fix the toner image onto the recording material. When determining that the recording material is wound around the fixing device using the sheet discharge sensor, the engine control unit continues to drive the fixing motor.
摘要翻译：图像形成装置包括检测记录材料的片材排出传感器，将记录材料压合以将未定影的调色剂图像固定到记录材料上的定影装置，驱动定影装置的定影电动机以及控制定影电机。定影装置包括定影辊，压力单元，其与定影辊形成第一夹持部分以按压定影辊;以及加热单元，其与定影辊形成第二夹持部分以加热定影辊。第一压区部分压缩记录材料以将调色剂图像定影到记录材料上。当使用片材排出传感器确定记录材料卷绕在定影装置周围时，发动机控制单元继续驱动定影电动机。

5. 发明授权

US12050429B2 Image forming apparatus with deceleration of conveyance speed of recording material upstream of detecting unit or stopping of conveyance of recording material 有权
公开(公告)号：US12050429B2
公开(公告)日：2024-07-30
申请号：US18300682
申请日：2023-04-14
申请人： CANON KABUSHIKI KAISHA
发明人： Shotoku Matsui , Hironobu Nihei
IPC分类号： G03G15/00 , B65H5/06
CPC分类号： G03G15/6567 , B65H5/06 , G03G15/50 , G03G15/6564 , G03G15/6579 , B65H2513/10 , B65H2513/512
摘要： An image forming apparatus includes a registration roller, a revering roller, and a detecting unit to detect a recording material. A control unit, in a case in which (i) the recording material has a length such that the recording material is conveyed by the registration roller in a state in which a trailing end of the recording material has not passed the reversing roller and (ii) the recording material is conveyed by the registration roller and the reversing roller, decelerates a conveyance speed of the recording material upstream of the detecting unit in a conveyance direction, or controls to stop the conveyance of the recording material.

6. 发明授权

US10120318B2 Recording material feeding device with control of motor speed 有权
公开(公告)号：US10120318B2
公开(公告)日：2018-11-06
申请号：US15631285
申请日：2017-06-23
申请人： CANON KABUSHIKI KAISHA
发明人： Hironobu Nihei
IPC分类号： B65H1/14 , B65H1/18 , G03G15/00 , B41J13/00 , B41J11/58 , B65H7/20 , B65H3/06 , B65H7/14 , F16D7/04 , G06F3/14 , B65H7/02 , B65H1/24
摘要： A recording material feeding device includes a stacking portion, a driving source, a holding member, a torque limiter for limiting transmission of a driving torque from the driving source to the stacking portion in a case that the driving source rotates in a state in which the holding member holds the position of the stacking portion; a storing portion for storing information on a holding state of the holding member; and a controller for controlling the driving source to rotate at a rotational speed slower when the information is information indicating that the holding member holds the position of the stacking portion than when the information is information indicating that the holding member does not hold the position of the stacking portion.

7. 发明授权

US09547266B2 Image forming apparatus controlling timing of switching between image formation modes 有权
标题翻译：图像形成装置控制图像形成模式之间切换的定时
公开(公告)号：US09547266B2
公开(公告)日：2017-01-17
申请号：US14734621
申请日：2015-06-09
申请人： CANON KABUSHIKI KAISHA
发明人： Hironobu Nihei
IPC分类号： G06K15/02 , G06K15/16 , G03G15/23 , G03G15/01
CPC分类号： G03G15/234 , G03G15/0131 , G03G15/0136 , G03G15/0189 , G03G2221/1657
摘要： The motor that drives a reverse unit, and a CPU configured to switch an image formation mode between a full color mode for forming an image using image forming stations and a black and white mode for forming an image using the image forming station are provided. If the image is formed on a first recording material supplied by a sheet feeding roller pair and subsequently an image is formed on a second recording material supplied by a sheet refeeding unit, the motor continuously drives the reverse unit. If the image formation mode for the first recording material is different from the image formation mode for the second recording material, the CPU switches the image formation mode to the full color mode, and forms the images on the first recording material and the second recording material.
摘要翻译：提供驱动反转单元的电动机和被配置为在使用图像形成站形成图像的全色模式之间切换图像形成模式的CPU以及使用图像形成站形成图像的黑白模式。如果图像形成在由片材进给辊对提供的第一记录材料上，并且随后在由片材再供给单元供应的第二记录材料上形成图像，则马达连续驱动反向单元。如果第一记录材料的图像形成模式与第二记录材料的图像形成模式不同，则CPU将图像形成模式切换为全色模式，并将图像形成在第一记录材料和第二记录材料上。

8. 发明申请

US20160347094A1 RECORDING MATERIAL FEEDING DEVICE 有权
标题翻译：记录材料送料装置
公开(公告)号：US20160347094A1
公开(公告)日：2016-12-01
申请号：US15160092
申请日：2016-05-20
申请人： CANON KABUSHIKI KAISHA
发明人： Hironobu Nihei
IPC分类号： B41J13/00 , B65H1/18 , G06F3/14 , B65H3/06 , B65H7/14 , F16D7/04 , B41J11/58 , B65H7/20
CPC分类号： G03G15/6552 , B41J11/58 , B41J13/0009 , B65H1/14 , B65H1/18 , B65H1/24 , B65H3/0669 , B65H3/0684 , B65H7/02 , B65H7/14 , B65H7/20 , B65H2403/732 , B65H2511/51 , B65H2511/521 , B65H2513/10 , B65H2601/26 , B65H2601/521 , B65H2801/09 , B65H2801/12 , F16D7/042 , F16D7/044 , G06F3/14 , B65H2220/01 , B65H2220/11 , B65H2220/02
摘要： A recording material feeding device includes a stacking portion, a driving source, a holding member, a torque limiter for limiting transmission of a driving torque from the driving source to the stacking portion in a case that the driving source rotates in a state in which the holding member holds the position of the stacking portion; a storing portion for storing information on a holding state of the holding member; and a controller for controlling the driving source to rotate at a rotational speed slower when the information is information indicating that the holding member holds the position of the stacking portion than when the information is information indicating that the holding member does not hold the position of the stacking portion.
摘要翻译：记录材料供给装置包括堆叠部分，驱动源，保持部件，扭矩限制器，用于在驱动源在其中驱动源旋转的情况下，将驱动转矩从驱动源传递到堆叠部分保持构件保持堆叠部的位置; 存储部，用于存储关于保持部件的保持状态的信息; 以及控制器，当所述信息是指示所述保持构件保持所述堆叠部分的位置的信息时，所述控制器用于当所述信息是指示所述保持构件不保持所述堆叠部分的位置的信息时，以较慢的转速来控制所述驱动源旋转; 堆叠部分。

9. 发明申请

US20140168340A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20140168340A1
公开(公告)日：2014-06-19
申请号：US14103001
申请日：2013-12-11
申请人： CANON KABUSHIKI KAISHA
发明人： Hironobu Nihei , Takayuki Mizuta
IPC分类号： B41J2/385
CPC分类号： G03G15/043 , G03G21/14
摘要： An image forming apparatus includes: first and second photosensitive members; first and second light sources; a rotatable polygonal mirror; a first signal output means; and a second signal output means. The first light source emits the light at timing on the basis of the first signal and the second light source emits the light at timing on the basis of the second signal so that latent images are formed on the first and second photosensitive members, respectively, and then are developed with developers to form developer images on the first and second photosensitive members, respectively, and then an image is formed by superposing the developer images. Before output of a second signal from the second signal output portion is started, the first light source emits the light on the basis of a first signal to start formation of the latent image on the first photosensitive member.
摘要翻译：图像形成装置包括：第一和第二感光构件; 第一和第二光源; 可旋转多面镜; 第一信号输出装置; 和第二信号输出装置。第一光源基于第一信号在定时发射光，并且第二光源基于第二信号在定时发射光，使得潜像分别形成在第一和第二光敏元件上，以及然后用显影剂显影以分别在第一和第二感光构件上形成显影剂图像，然后通过叠加显影剂图像形成图像。在来自第二信号输出部分的第二信号的输出开始之前，第一光源基于第一信号发射光，以开始在第一感光部件上形成潜像。

10. 发明申请

US20170285551A1 RECORDING MATERIAL FEEDING DEVICE 审中-公开
公开(公告)号：US20170285551A1
公开(公告)日：2017-10-05
申请号：US15631285
申请日：2017-06-23
申请人： CANON KABUSHIKI KAISHA
发明人： Hironobu Nihei
IPC分类号： G03G15/00 , B65H1/24 , B65H7/02 , B65H1/14
CPC分类号： G03G15/6552 , B41J11/58 , B41J13/0009 , B65H1/14 , B65H1/18 , B65H1/24 , B65H3/0669 , B65H3/0684 , B65H7/02 , B65H7/14 , B65H7/20 , B65H2403/732 , B65H2511/51 , B65H2511/521 , B65H2513/10 , B65H2601/26 , B65H2601/521 , B65H2801/09 , B65H2801/12 , F16D7/042 , F16D7/044 , G06F3/14 , B65H2220/01 , B65H2220/11 , B65H2220/02
摘要： A recording material feeding device includes a stacking portion, a driving source, a holding member, a torque limiter for limiting transmission of a driving torque from the driving source to the stacking portion in a case that the driving source rotates in a state in which the holding member holds the position of the stacking portion; a storing portion for storing information on a holding state of the holding member; and a controller for controlling the driving source to rotate at a rotational speed slower when the information is information indicating that the holding member holds the position of the stacking portion than when the information is information indicating that the holding member does not hold the position of the stacking portion.

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