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1.发明申请公开(公告)号：US20190224977A1
公开(公告)日：2019-07-25
申请号：US16368952
申请日：2019-03-29
发明人： Toshiro UEDA
摘要： An inkjet recording apparatus to which a cartridge is attachable includes: a tank including a storage chamber and an outlet port; a recording portion including a damper chamber and a recording head; an ink passage; a pump configured to suck fluid in the damper chamber; a first switch; and a controller. After attachment of the cartridge, the controller is configured to perform an initial ink introduction process to supply the ink from the cartridge to the storage chamber. The initial ink introduction process includes: a first suction process to drive the pump for a first period of time in a state where the first switch is in a first state to allow ink in the storage chamber to be sucked toward the damper chamber; and after performing the first suction process, an open process to switch the first switch to a second state.
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公开(公告)号：US20190105915A1
公开(公告)日：2019-04-11
申请号：US16156131
申请日：2018-10-10
发明人： Mikio OGAWA , Toshiro UEDA , Kenta HORADE
IPC分类号： B41J2/175
CPC分类号： B41J2/17566 , B41J2/17509 , B41J2/17513 , B41J2/1752 , B41J2/17523 , B41J2/1753 , B41J29/13 , B41J29/38 , B41J2002/17573 , B41J2002/17576
摘要： A liquid discharge device is configured to display, on a display, an S_Empty notification screen in a state where a low level signal is not received from a liquid level sensor and a count value SN2 reaches a second threshold value Nth2. The liquid discharge device is configured to erase the S_Empty notification screen in a state where the low level signal is received after receiving a high level signal is received from an installation sensor.
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公开(公告)号：US20180281394A1
公开(公告)日：2018-10-04
申请号：US15937951
申请日：2018-03-28
发明人： Kenta HORADE , Mikio OGAWA , Toshiro UEDA
CPC分类号： B41J2/04586 , B41J2/17509 , B41J2/1752 , B41J2/17523 , B41J2/17546 , B41J2/17553 , B41J2/17566 , B41J29/13 , B41J29/38 , B41J2002/17569 , B41J2002/17589
摘要： An apparatus, for discharging a liquid through a head based on a first discharge instruction, is configured to: update a liquid amount V stored in the memory with a value equivalent to the amount of liquid instructed to be discharged by the first discharge instruction; determine whether the updated liquid amount V is equal to or larger a threshold amount; update the liquid amount V stored in a memory to a predetermined value in response to determining that the updated liquid amount V is equal to or larger than the threshold amount and receiving a second signal from the liquid level sensor; and prohibit the liquid from being discharged through the head in response to determining that the updated liquid amount V is less than the threshold amount and receiving the first signal from the liquid level sensor.
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公开(公告)号：US20180178542A1
公开(公告)日：2018-06-28
申请号：US15708602
申请日：2017-09-19
发明人： Toshiro UEDA
CPC分类号： B41J2/195 , B41J2/16508 , B41J2/16517 , B41J2/16526 , B41J2/175 , B41J2/17509 , B41J2/19 , B41J29/38 , B41J2002/16573
摘要： A liquid ejection apparatus includes: a head; a first-liquid-passage member defining a first liquid passage as a portion of a liquid passage connecting between the head and a tank; a second-liquid-passage member, as another portion of the liquid passage, defining a second liquid passage and having a gas permeability less than the first-liquid-passage member; a purging device; and a controller configured to: obtain air-position information relating to a position of air having flowed into the liquid passage from a liquid inlet opening; and execute a liquid discharge processing in which the controller controls the purging device to execute a liquid purging operation such that an amount of the liquid discharged when the air position indicated by the air-position information is located in the second liquid passage is less than that of the liquid discharged when the air position is located in the first liquid passage.
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公开(公告)号：US20210347179A1
公开(公告)日：2021-11-11
申请号：US17383599
申请日：2021-07-23
发明人： Kenta HORADE , Mikio OGAWA , Toshiro UEDA
IPC分类号： B41J2/175
摘要： Aspects of a disclosure relates to a liquid discharge device enables previously disabled liquid discharge through a head after a cartridge including a first liquid chamber is replaced and before the liquid level in a second liquid chamber of a tank reaches a predetermined level or higher. Another aspects of the disclosure relates to a liquid discharge device that deactivates an alarm after a cartridge including a first liquid chamber is replaced and before the liquid level in a second liquid reaches a predetermined level or higher.
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公开(公告)号：US20190105916A1
公开(公告)日：2019-04-11
申请号：US16156159
申请日：2018-10-10
发明人： Toshiro UEDA , Mikio OGAWA , Kenta HORADE
IPC分类号： B41J2/175
CPC分类号： B41J2/17566 , B41J2/17509 , B41J2/17513 , B41J2/1752 , B41J2/17523 , B41J2/17553 , B41J29/13 , B41J29/38 , B41J2002/17573 , B41J2002/17576
摘要： The liquid discharge device starts executing an initial process of discharging the liquid, based on determining that a low level signal is received after receiving a high level signal from an installation sensor and that a low level signal is received after receiving a high level signal from a liquid level sensor.
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公开(公告)号：US20180281438A1
公开(公告)日：2018-10-04
申请号：US15937962
申请日：2018-03-28
发明人： Kenta HORADE , Mikio OGAWA , Toshiro UEDA
IPC分类号： B41J2/175
CPC分类号： B41J2/17566 , B41J2/175 , B41J2/17509 , B41J2/17513 , B41J2/1752 , B41J2/17523 , B41J2/17526 , B41J2/1753 , B41J2/17546 , B41J2/17553 , B41J29/13 , B41J29/38 , B41J2002/17576
摘要： An apparatus displays an S_Empty informing screen on a display when a count value N reaches a threshold Nth, reads a liquid amount Vc from an IC chip of a cartridge which is installed, calculates an outflow amount Qc of a liquid flowing out from the cartridge to a tank at a period Δt based on the read liquid amount Vc, and erases the S_Empty informing screen from the display when the calculated outflow amount Qc is equal to or larger than a threshold Qth1.
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8.发明申请公开(公告)号：US20180281423A1
公开(公告)日：2018-10-04
申请号：US15938485
申请日：2018-03-28
发明人： Toshiro UEDA
CPC分类号： B41J2/1707 , B41J2/14201 , B41J2/175 , B41J2/17509 , B41J2/17513 , B41J2/17523 , B41J2/17553 , B41J2/17556 , B41J2/17596 , B41J29/13 , B41J29/38 , B41J2002/14483
摘要： An inkjet recording apparatus includes: a first tank; a second tank; a recording portion including a first damper chamber and a second damper chamber; a first switch; a pump; a second switch; and a controller. The first switch is configured to be switched between a first state and a second state. The second switch is configured to be switched between a third state and a fourth state. After attachment of first and second cartridges to the inkjet recording apparatus, the controller performs an initial ink introduction including one of: a first drive process to drive the pump in a state where the first switch is in the first state and the second switch is in the fourth state; and a second drive process to drive the pump in a state where the first switch is in the second state and the second switch is in the third state.
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公开(公告)号：US20180281395A1
公开(公告)日：2018-10-04
申请号：US15937983
申请日：2018-03-28
发明人： Kenta HORADE , Mikio OGAWA , Toshiro UEDA
CPC分类号： B41J2/04586 , B41J2/17509 , B41J2/17513 , B41J2/1752 , B41J2/17523 , B41J2/17553 , B41J2/17566 , B41J29/13 , B41J29/38 , B41J2002/17569 , B41J2002/17573 , B41J2002/17576 , B41J2002/17589
摘要： A liquid discharge apparatus is configured to activate a first notification in a case where a liquid level of a tank is less than a threshold. In a case where a cartridge is installed after activating the first notification, a controller determines outflow amount Vcs of the liquid flowing into the tank based on the liquid amount of the installed cartridge, and controls a notification device based on the determined outflow amount Vcs.
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公开(公告)号：US20200164642A1
公开(公告)日：2020-05-28
申请号：US16775504
申请日：2020-01-29
发明人： Kenta HORADE , Mikio OGAWA , Toshiro UEDA
摘要： A liquid discharge apparatus is configured to activate a first notification in a case where a liquid level of a tank is less than a threshold. In a case where a cartridge is installed after activating the first notification, a controller determines outflow amount Vcs of the liquid flowing into the tank based on the liquid amount of the installed cartridge, and controls a notification device based on the determined outflow amount Vcs.
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