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公开(公告)号：US09028039B2
公开(公告)日：2015-05-12
申请号：US14507929
申请日：2014-10-07
IPC分类号： B41J2/165
CPC分类号： B41J2/16579 , B41J2/125 , B41J2/2142 , B41J29/38
摘要： An image forming apparatus includes a recording head, an ejection detector, a cleaner and cleaning ejection controller. The ejection detector has a droplet landing member disposed in an area in which the droplet landing member faces the head. The ejection detector detects ejection or non-ejection by detecting electric change caused by landing of the droplets on the droplet landing member. The cleaner cleans a droplet landing surface of the droplet landing member. The cleaning ejection controller controls the recording head to eject droplets on the droplet landing surface for cleaning the droplet landing surface before cleaning the droplet landing surface by the cleaner. A quantity of the droplets for cleaning the droplet landing surface is greater than a quantity of the droplets for detecting ejection or non-ejection.
摘要翻译： 图像形成装置包括记录头，喷射检测器，清洁器和清洁喷射控制器。 喷射检测器具有设置在液滴着陆部件面向头部的区域中的液滴着落部件。 喷射检测器通过检测由液滴着落部件上的着陆引起的电变化来检测喷射或不喷射。 清洁器清洁液滴着陆部件的液滴着陆面。 清洁喷射控制器控制记录头在液滴着落表面上喷射液滴，以清洁液滴着陆表面，然后用清洁器清洁液滴着陆面。 用于清洁液滴着陆表面的液滴的量大于用于检测喷射或不喷射的液滴的量。
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公开(公告)号：US20150062223A1
公开(公告)日：2015-03-05
申请号：US14328897
申请日：2014-07-11
IPC分类号： B41J2/165
CPC分类号： B41J2/16579 , B41J29/17
摘要： An image forming apparatus is provided, that includes a recording head including a plurality of nozzles to discharge droplets; and a droplet discharge sensor unit to detect whether a droplet has been discharged from the plurality of nozzles of the recording head or not. The droplet discharge sensor unit includes a resistor, on which the droplets discharged from the nozzles of the recording head lands, the resistor disposed opposite the recording head; and a sensor to detect a change in electrical resistance of the resistor when the droplets discharged from the plurality of nozzles of the recording head landed on the resistor.
摘要翻译： 提供一种图像形成装置，其包括：记录头，包括多个用于排出液滴的喷嘴; 以及用于检测液滴是否已经从记录头的多个喷嘴排出的液滴喷射传感器单元。 液滴喷出传感器单元包括电阻器，从记录头的喷嘴排出的液滴着地，电阻器设置在与记录头相对的位置; 以及传感器，用于当从记录头的多个喷嘴排出的液滴着落在电阻器上时，检测电阻器的电阻变化。
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公开(公告)号：US20140267487A1
公开(公告)日：2014-09-18
申请号：US14205865
申请日：2014-03-12
申请人： Yasukazu KITAMURA , Yoshimitsu OGURA , Kazuyoshi MATSUMOTO , Tomoaki NAKANO , Namio OGIHARA , Shingo MASAOKA
发明人： Yasukazu KITAMURA , Yoshimitsu OGURA , Kazuyoshi MATSUMOTO , Tomoaki NAKANO , Namio OGIHARA , Shingo MASAOKA
IPC分类号： B41J11/00
CPC分类号： B41J11/0095 , B41J11/007 , B41J11/009
摘要： An image forming apparatus includes an image forming device, a belt member, a reflection-type photosensor, and a reflection member. The belt member includes plural suction holes to attract a printing medium onto the belt member. The reflection member reflects light from the reflection-type photosensor through the suction holes. The reflection member is disposed inside the belt member. The reflection member has a reflection rate at which, when the reflection-type photosensor receives reflection light at positions of the suction holes with a transparent printing medium being not present on the belt member, a sensor output of the reflection-type photosensor is lower than a predetermined reference value, and when the reflection-type photosensor receives reflection light at the positions of the suction holes with the transparent printing medium being present on the belt member, a sensor output of the reflection-type photosensor is equal to or greater than the predetermined reference value.
摘要翻译： 图像形成装置包括图像形成装置，带构件，反射型光电传感器和反射构件。 带构件包括多个吸引孔，以将打印介质吸引到带构件上。 反射构件通过吸孔反射来自反射型光电传感器的光。 反射构件设置在带构件内。 反射构件具有反射率，当反射型光电传感器在带构件上不存在透明打印介质的吸入孔的位置处接收反射光时，反射型光电传感器的传感器输出低于 预定的参考值，并且当反射型光电传感器在带构件上存在透明打印介质的吸入孔的位置处接收反射光时，反射型光电传感器的传感器输出等于或大于 预定参考值。
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公开(公告)号：US09221264B2
公开(公告)日：2015-12-29
申请号：US14328897
申请日：2014-07-11
CPC分类号： B41J2/16579 , B41J29/17
摘要： An image forming apparatus is provided, that includes a recording head including a plurality of nozzles to discharge droplets; and a droplet discharge sensor unit to detect whether a droplet has been discharged from the plurality of nozzles of the recording head or not. The droplet discharge sensor unit includes a resistor, on which the droplets discharged from the nozzles of the recording head lands, the resistor disposed opposite the recording head; and a sensor to detect a change in electrical resistance of the resistor when the droplets discharged from the plurality of nozzles of the recording head landed on the resistor.
摘要翻译： 提供一种图像形成装置，其包括：记录头，包括多个用于排出液滴的喷嘴; 以及用于检测液滴是否已经从记录头的多个喷嘴排出的液滴喷射传感器单元。 液滴喷出传感器单元包括电阻器，从记录头的喷嘴排出的液滴着地，电阻器设置在与记录头相对的位置; 以及传感器，用于当从记录头的多个喷嘴排出的液滴着落在电阻器上时，检测电阻器的电阻变化。
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公开(公告)号：US20110273511A1
公开(公告)日：2011-11-10
申请号：US13091541
申请日：2011-04-21
IPC分类号： B41J2/165
CPC分类号： B41J2/1714
摘要： An image forming apparatus includes a carriage movable in a main scanning direction in the image forming apparatus; a recording head mounted on the carriage to eject droplets; a maintenance unit disposed outboard of a recording area in the main scanning direction of the carriage and including a first liquid receptacle to collect droplets not used for image formation; a first space provided between the recording area and the maintenance unit; and a first sloped member provided at a side of the first space close to the maintenance unit. The sloped member has a sloped portion inclined downwardly from an upper side toward a lateral side close to the recording area to guide droplet mist generated by ejection of droplets from the head to a lower part of the first space with movement of the carriage from a position facing the maintenance unit to a position facing the recording area.
摘要翻译： 图像形成装置包括：可在图像形成装置中沿主扫描方向移动的托架; 安装在滑架上以便喷射液滴的记录头; 维护单元，其设置在所述托架的主扫描方向上的记录区域的外侧，并且包括第一液体容器以收集未用于图像形成的液滴; 设置在记录区域和维护单元之间的第一空间; 以及设置在靠近维修单元的第一空间的一侧的第一倾斜构件。 倾斜构件具有从靠近记录区域的上侧朝向侧面向下倾斜的倾斜部分，以引导通过滑架从位置的移动而将液滴从头部喷射到第一空间的下部而产生的液滴雾 面向维护单元到面向记录区域的位置。
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公开(公告)号：US10946660B2
公开(公告)日：2021-03-16
申请号：US16480437
申请日：2018-03-02
申请人： Shotaro Ueda , Shingo Masaoka , Isamu Kubo
发明人： Shotaro Ueda , Shingo Masaoka , Isamu Kubo
摘要： An object of the present disclosure is to provide a liquid discharge apparatus capable of sucking liquid in a cap member while suppressing generation of bubbles by a suction assisting member detachable from a cap member. A liquid discharge apparatus includes a liquid discharge head (6) to discharge liquid from a plurality of nozzles, and a suction mechanism (8) to suck the liquid from the liquid discharge head (6). The suction mechanism (8) includes a cap member (30) to contact the liquid discharge head (6) and cover the plurality of nozzles while forming a space between the cap member (30) and the liquid discharge head (6), a suction pump (31) connected to the cap member (30) via a suction hole (31a) formed in a surface of the cap member (30) to reduce pressure in the space, a suction assisting member (32) to cover the suction hole (30a) and the surface in which the suction hole (30a) is formed in the cap member (30), the suction assisting member (32) including a surface that forms a suction path between the suction assisting member (32) and the cap member (30), and a first support (32a) to provide a gap (c1) between the surface that forms the suction path of the suction assisting member (32) and the surface in which the suction hole (31a) is formed.
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公开(公告)号：US20200369032A1
公开(公告)日：2020-11-26
申请号：US16846742
申请日：2020-04-13
申请人： Tetsu MORINO , Shingo MASAOKA
发明人： Tetsu MORINO , Shingo MASAOKA
IPC分类号： B41J2/165
摘要： A cap for capping a nozzle surface of liquid discharge head, the cap includes a rod in the cap. The rod has a circular outer shape or a polygonal outer shape in a cross-section perpendicular to an axial direction of the rod.
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公开(公告)号：US20150097894A1
公开(公告)日：2015-04-09
申请号：US14507929
申请日：2014-10-07
IPC分类号： B41J2/165
CPC分类号： B41J2/16579 , B41J2/125 , B41J2/2142 , B41J29/38
摘要： An image forming apparatus includes a recording head, an ejection detector, a cleaner and cleaning ejection controller. The ejection detector has a droplet landing member disposed in an area in which the droplet landing member faces the head. The ejection detector detects ejection or non-ejection by detecting electric change caused by landing of the droplets on the droplet landing member. The cleaner cleans a droplet landing surface of the droplet landing member. The cleaning ejection controller controls the recording head to eject droplets on the droplet landing surface for cleaning the droplet landing surface before cleaning the droplet landing surface by the cleaner. A quantity of the droplets for cleaning the droplet landing surface is greater than a quantity of the droplets for detecting ejection or non-ejection.
摘要翻译： 图像形成装置包括记录头，喷射检测器，清洁器和清洁喷射控制器。 喷射检测器具有设置在液滴着陆部件面向头部的区域中的液滴着落部件。 喷射检测器通过检测由液滴着落部件上的着陆引起的电变化来检测喷射或不喷射。 清洁器清洁液滴着陆部件的液滴着陆面。 清洁喷射控制器控制记录头在液滴着落表面上喷射液滴，以清洁液滴着陆表面，然后用清洁器清洁液滴着陆面。 用于清洁液滴着陆表面的液滴的量大于用于检测喷射或不喷射的液滴的量。
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公开(公告)号：US08998371B2
公开(公告)日：2015-04-07
申请号：US14200295
申请日：2014-03-07
申请人： Tomoaki Nakano , Kazuyoshi Matsumoto , Shingo Masaoka , Yasukazu Kitamura , Namio Ogihara , Yoshimitsu Ogura , Makoto Kikura , Kazuyoshi Kondo , Yuuzoh Obata , Norikazu Yanase , Yoshinori Uchino , Gaku Hosono , Takao Otsuka , Seiya Ogawa , Yuuichiroh Tsujiguchi , Masashi Ohnishi
发明人： Tomoaki Nakano , Kazuyoshi Matsumoto , Shingo Masaoka , Yasukazu Kitamura , Namio Ogihara , Yoshimitsu Ogura , Makoto Kikura , Kazuyoshi Kondo , Yuuzoh Obata , Norikazu Yanase , Yoshinori Uchino , Gaku Hosono , Takao Otsuka , Seiya Ogawa , Yuuichiroh Tsujiguchi , Masashi Ohnishi
CPC分类号： B41J11/0045 , B41J3/4075 , B41J11/007
摘要： An image forming apparatus includes an image forming device, a conveyance unit, a correction unit, and an attitude controller. The image forming device forms an image on a printing medium. The conveyance unit is disposed opposing the image forming device to convey the printing medium. The correction unit corrects an attitude of a leading edge of the printing medium sent out from the conveyance unit. The attitude controller controls correction of the attitude of the leading edge of the punting medium performed by the correction unit. The attitude controller determines whether or not the correction of the attitude of the leading edge of the printing medium is to be performed, and causes the correction unit to perform the correction when the attitude controller determines that the correction is to be performed.
摘要翻译： 图像形成装置包括图像形成装置，输送单元，校正单元和姿态控制器。 图像形成装置在打印介质上形成图像。 传送单元设置成与图像形成装置相对以传送打印介质。 校正单元校正从传送单元发出的打印介质的前缘的姿势。 姿态控制器控制由校正单元执行的摆动介质的前缘的姿态的校正。 姿态控制器确定是否要执行打印介质的前沿的姿态的校正，并且当姿态控制器确定要执行校正时，使校正单元执行校正。
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公开(公告)号：US09694584B2
公开(公告)日：2017-07-04
申请号：US15217088
申请日：2016-07-22
IPC分类号： B41J2/165
CPC分类号： B41J2/16538 , B41J2/16541 , B41J2/16579
摘要： A liquid ejector includes a head having a plurality of nozzles arranged along a first direction of a nozzle surface of the head to eject a droplet from the nozzles, and an ejection detector to detect whether or not a droplet is ejected from the plurality of nozzles of the head by detecting an electrical change generated when the droplet lands onto the ejection detector. The ejection detector includes a droplet landing surface arranged opposed to the nozzle surface, a wiper to wipe the droplet off the droplet landing surface along the first direction, and a cleaner having a contact surface to remove the droplet adhered to the wiper after the wiper wipes the droplet landing surface. The contact surface has a curvature such that side ends of the wiper contacts with the contact surface at first, and then a center part of the wiper contacts the contact surface.
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