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公开(公告)号：US20240181772A1
公开(公告)日：2024-06-06
申请号：US18522656
申请日：2023-11-29
发明人： Takafumi NAKASE , Nobumasa TANAKA , Ryuji HORATA , Masahiro HAYASHI , Zenichiro SASAKI , Kenta HORADE , Isao KUBO
CPC分类号： B41J2/04541 , B41J2/04586 , B41J2/1652
摘要： There is provided a liquid ejection apparatus including: a liquid ejection head; a signal outputter configured to output an ejection state signal; and a controller. The ejection state signal is a first or second ejection state signal, the first ejection state signal fulfills a first condition regarding a maximum value and/or a minimum value in a first period and does not fulfill a second condition regarding the maximum value and/or the minimum value in a second period after the first period; the second ejection state signal does not fulfill the first condition in the first period and fulfills the second condition in the second period. The controller is configured to vary a process to be performed between a case in which the ejection state signal outputted is the first ejection state signal and a case in which the ejection state signal outputted is the second ejection state signal.
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公开(公告)号：US20230311482A1
公开(公告)日：2023-10-05
申请号：US18179451
申请日：2023-03-07
发明人： Zenichiro SASAKI , Kenta HORADE , Masahiro HAYASHI , Ryuji HORATA , Nobumasa TANAKA , Takafumi NAKASE
CPC分类号： B41J2/0451 , B41J2/0458 , B41J2/16505 , B41J2/16526
摘要： A controller performs: in a case where a particular condition is satisfied, acquiring abnormal nozzle information relating to numbers of first and second abnormal nozzles and a total number of abnormal nozzles; determining whether a purge is to be performed, the determining including determining that the purge is to be performed in a case where at least one of a plurality of purge conditions is satisfied, the plurality of purge conditions including a first purge condition that the number of the first abnormal nozzles is a first threshold or more, a second purge condition that the number of the second abnormal nozzles is a second threshold or more, and a third purge condition that the total number of abnormal nozzles is a third threshold or more; and in response to determining that the purge is to be performed, controlling a pump to perform the purge.
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公开(公告)号：US20220332119A1
公开(公告)日：2022-10-20
申请号：US17713380
申请日：2022-04-05
发明人： Kenta HORADE
摘要： A determination signal indicates whether each of a plurality of nozzles of a liquid ejection head is an abnormal nozzle. A controller stores, in a memory, information on a nozzle determined to be the abnormal nozzle among the plurality of nozzles; in response to receiving a particular signal and determining that the memory does not store abnormality flag information and that the number of the abnormal nozzle stored in the memory is larger than a first threshold value, control a recovery device to perform a recovery operation; and in response to receiving the particular signal and determining that the memory stores the abnormality flag information and that the number of the abnormal nozzle is larger than a second threshold value, control the recovery device to perform the recovery operation. The second threshold value is smaller than the first threshold value.
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公开(公告)号：US20210046763A1
公开(公告)日：2021-02-18
申请号：US17020917
申请日：2020-09-15
发明人： Shunsuke MINAMIKAWA , Kenta HORADE
摘要： An image forming apparatus, having a first container with a first compartment, a second container with a second compartment, a recorder, a display, and a controller, is provided. The controller controls the display to display a first screen and a second screen. The first screen contains a first object having a form that reflects an amount of a colorant in the first compartment and a second object having a form that reflects an amount of the colorant in the second compartment. The second screen contains a third object having a form that reflects one of the amount of the colorant in the first compartment, the amount of the colorant in the second compartment, and a total amount of the colorant in the first compartment and the second compartment.
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5.发明申请公开(公告)号：US20200230970A1
公开(公告)日：2020-07-23
申请号：US16839554
申请日：2020-04-03
发明人： Mana HONOKI , Kenta HORADE
摘要： An inkjet recording apparatus includes an ink tank, a recording head, an ink sensor, a monitor, an operation panel, and a controller configured to control operation thereof. The controller receives a completion signal indicating completion of ink injection, and receives a first signal or a second signal from the ink sensor based on whether a predetermined amount of ink is sensed in the ink chamber. Based on the completion signal and receipt of the first signal, inquiry information is displayed on the monitor regarding whether ink injection into the ink chamber is completed. Based on the completion signal and receipt of the second signal, a notification is displayed on the monitor that is based on the ink sensor not sensing the predetermined amount of ink.
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公开(公告)号：US20200147975A1
公开(公告)日：2020-05-14
申请号：US16742260
申请日：2020-01-14
发明人： Kenta HORADE
摘要： A liquid discharge device includes a case receiving a cartridge having a first liquid chamber, a tank having a second liquid chamber, a head, a liquid level sensor and a controller configured to: receive a first signal or a second signal when a position of a liquid level in the second liquid chamber is equal to or higher than or lower than a predetermined position; prohibit a liquid discharge through the head in a predetermined case; cancel the prohibition of the liquid discharge based on determining that the cartridge is installed in the case; and prohibit the liquid discharge based on determining that a first elapsed time from a time when determining that the cartridge is installed in the installation case reaches a predetermined time and the second signal is received from the liquid level sensor without receiving the first signal.
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公开(公告)号：US20190299646A1
公开(公告)日：2019-10-03
申请号：US16360825
申请日：2019-03-21
发明人： Kenta HORADE
摘要： A controller of a liquid discharge apparatus is configured to, in response to receipt of a second signal after receiving a first signal, assign a fixed value to at least one of a liquid amount Vc in a cartridge chamber, a liquid amount Vs in a chamber of the tank, and a total liquid amount Vt being a sum of the liquid amount Vc and the liquid amount Vs.
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公开(公告)号：US20190143699A1
公开(公告)日：2019-05-16
申请号：US16199942
申请日：2018-11-26
发明人： Kenta HORADE
CPC分类号： B41J2/16511 , B41J2/01 , B41J2/16508 , B41J2/16523 , H04N1/00933 , H04N1/04 , H05K999/99
摘要： In an inkjet printing apparatus, a controller causes a scanner to read an image formed on an original in response to reception of a copy instruction and generates image data representing the read image. The controller determines a standby period in response to reception of the copy instruction. In response to elapse of the standby period since the reception of the copy instruction, the controller separates a cap and an inkjet head. After the cap and the inkjet head separated each other and completion of reading at least part of the image on the original, the controller causes the recording head to eject ink droplets based on the image data.
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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：US20190105912A1
公开(公告)日：2019-04-11
申请号：US16156067
申请日：2018-10-10
发明人： Kenta HORADE
IPC分类号： B41J2/175
摘要： A liquid discharge device includes a case receiving a cartridge having a first liquid chamber, a tank having a second liquid chamber, a head, a liquid level sensor, an alarm and a controller configured to: receive a first signal or a second signal when a position of a liquid level in the second liquid chamber is equal to or higher than or lower than a predetermined position; operate the alarm when receiving the second signal after the first signal; cancel the operation of the alarm based on determining of installation of the cartridge; and operate the alarm based on determining that a first elapsed time from a time when determining the installation of the cartridge reaches a predetermined time and the second signal is received from the liquid level sensor without receiving the first signal.
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