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公开(公告)号：US10894404B2
公开(公告)日：2021-01-19
申请号：US16572878
申请日：2019-09-17
发明人： Tomonori Yamada , Toru Matsuyama
IPC分类号： B41J2/045
摘要： In a print head control circuit, a first diagnostic signal wiring group includes first diagnostic signal propagation wiring that propagates a first diagnostic signal, and second diagnostic signal propagation wiring that propagates a second diagnostic signal, the first drive signal wiring group and the second drive signal wiring group propagate a first drive signal and a second drive signal that cause liquid to be discharged, in a first cable, the first diagnostic signal wiring group is provided between the first drive signal wiring group and the second drive signal wiring group.
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公开(公告)号：US09914296B2
公开(公告)日：2018-03-13
申请号：US15252757
申请日：2016-08-31
发明人： Tomonori Yamada , Toru Matsuyama
CPC分类号： B41J2/04541 , B41J2/04581 , B41J2/04586 , B41J2/04588 , B41J2/04593 , B41J2/04596 , B41J29/13 , B41J29/38
摘要： A liquid ejecting apparatus includes: a liquid ejecting section that ejects liquid in response to a drive signal; a drive signal generation circuit that generates the drive signal by using a second frequency band including at least a part of a first frequency band; a non-contact power transmission circuit that transmits power in a non-contact manner by using the first frequency band; and a control circuit that controls the drive signal generation circuit and the non-contact power transmission circuit, in which the control circuit controls the drive signal generation circuit and the non-contact power transmission circuit so as to exclusively perform the generation of the drive signal by the drive signal generation circuit and the power transmission by the non-contact power transmission circuit.
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公开(公告)号：US11012587B2
公开(公告)日：2021-05-18
申请号：US16575599
申请日：2019-09-19
发明人： Ryohei Horita , Junya Yada , Tomonori Yamada , Toru Matsuyama
IPC分类号： H04N1/00
摘要： A mobile device includes a first processor, a second processor having a smaller power consumption than the first processor, and a first battery capable of supplying power to the first processor and the second processor, in which a distance between the first processor and an attachable/detachable second battery that is capable of being attached and detached and that is capable of configured to supplying power to the first processor and the second processor is longer than a distance between the second processor and the second battery.
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公开(公告)号：US10543682B2
公开(公告)日：2020-01-28
申请号：US16065894
申请日：2016-12-22
发明人： Tomonori Yamada , Hironori Endo , Toru Matsuyama
摘要： A head unit control circuit controls a head unit. The head unit includes an ejector, a determination circuit, and an ejection limit circuit. The ejector includes a displaceable piezoelectric element for controlling the liquid ejection. The piezoelectric element is displaced by changing a drive signal potential. The determination circuit determines whether the piezoelectric element has a predetermined electrical storage capability. The ejection limit circuit stops the drive signal to limit the ejection of the liquid based on the determination. The head unit control circuit includes: a first terminal that outputs an instruction signal instructing the head unit to execute the determination; a second terminal that outputs the drive signal; and a third terminal that is between the first terminal and the second terminal. The third terminal has a smaller potential change width than the second terminal when the ejecting section ejects the liquid.
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公开(公告)号：US10800163B2
公开(公告)日：2020-10-13
申请号：US16250054
申请日：2019-01-17
发明人： Tomonori Yamada , Toru Matsuyama
摘要： A liquid ejecting apparatus includes: a support that extends in a second direction intersecting a first direction in which a printing medium is transported; a carriage that is connected to the support and is movable in the second direction; an ejector that is provided in the carriage and ejects a liquid to the printing medium; and a detector that is provided in the carriage and detects a change in posture of the carriage. In a case where the liquid is not ejected from the ejector, the carriage moves in the second direction, and the detector detects the change in posture of the carriage. The detector outputs posture-change amount information based on the change in posture of the carriage. Ejection of the liquid is corrected based on the posture-change amount information.
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公开(公告)号：US10576739B2
公开(公告)日：2020-03-03
申请号：US16065894
申请日：2016-12-22
发明人： Tomonori Yamada , Hironori Endo , Toru Matsuyama
摘要： A head unit control circuit controls a head unit. The head unit includes an ejector, a determination circuit, and an ejection limit circuit. The ejector includes a displaceable piezoelectric element for controlling the liquid ejection. The piezoelectric element is displaced by changing a drive signal potential. The determination circuit determines whether the piezoelectric element has a predetermined electrical storage capability. The ejection limit circuit stops the drive signal to limit the ejection of the liquid based on the determination. The head unit control circuit includes: a first terminal that outputs an instruction signal instructing the head unit to execute the determination; a second terminal that outputs the drive signal; and a third terminal that is between the first terminal and the second terminal. The third terminal has a smaller potential change width than the second terminal when the ejecting section ejects the liquid.
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公开(公告)号：US09180662B2
公开(公告)日：2015-11-10
申请号：US14516935
申请日：2014-10-17
发明人： Tomonori Yamada
CPC分类号： B41J2/04541 , B41J2/04516 , B41J2/04563 , B41J2/04581 , B41J2/04588 , B41J2/04593 , B41J2/04596
摘要： A liquid ejecting apparatus includes an original drive signal generation section that generates an original drive signal, a signal modulation section that modulates the original drive signal and generates a modulation signal, a signal amplification section that amplifies the modulation signal and generates an amplification modulation signal, a signal conversion section that converts the amplification modulation signal into a drive signal, a piezoelectric element that deforms by the drive signal, a cavity that expands or contracts due to deformation of the piezoelectric element, a nozzle that communicates with the cavity and ejects a liquid in response to increase and decrease of a pressure inside the cavity, and a temperature detection section that detects a temperature of the signal conversion section.
摘要翻译： 液体喷射装置包括产生原始驱动信号的原始驱动信号产生部分，调制原始驱动信号并产生调制信号的信号调制部分，放大调制信号并产生放大调制信号的信号放大部分， 将放大调制信号转换为驱动信号的信号转换部，由驱动信号变形的压电元件，由于压电元件的变形而膨胀或收缩的空腔，与空腔连通并喷出液体的喷嘴 响应于腔内的压力的增加和减小，以及温度检测部分，其检测信号转换部分的温度。
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公开(公告)号：US10899137B2
公开(公告)日：2021-01-26
申请号：US16689156
申请日：2019-11-20
发明人： Tomonori Yamada , Toru Matsuyama
摘要： An electronic apparatus includes consumables configured to be restored by replacement or refill, a notification section configured to make a notification of alert information based on remaining amount information of the consumables, a remaining amount information obtaining section configured to obtain the remaining amount information of the consumables, a determination information obtaining section configured to obtain determination information for determining a state of replacement or refill of the consumables, and a learning section configured to perform machine learning of the notification of the alert information based on a learning model obtained by associating the remaining amount information with the determination information.
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公开(公告)号：US10576740B2
公开(公告)日：2020-03-03
申请号：US16065925
申请日：2016-12-22
发明人： Tomonori Yamada , Hironori Endo , Toru Matsuyama
摘要： A connection cable electrically connects a head unit and a head unit control circuit. The head unit includes: an ejector, a determination circuit, and an ejection limit circuit. The ejector includes a displaceable piezoelectric element for controlling the liquid ejection. The piezoelectric element is displaced by changing a drive signal potential. The determination circuit determines whether the piezoelectric element has a predetermined electrical storage capability. The ejection limit circuit stops the drive signal to limit the ejection of the liquid based on the determination. The connection cable includes: a first connection supplying a determination instruction signal from the head unit control circuit to the head unit; a second connection supplying the drive signal from the head unit control circuit to the head unit; and a third connection between the first and second connections with a smaller potential change width than the second connection when the ejector ejects the liquid.
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公开(公告)号：US10518565B2
公开(公告)日：2019-12-31
申请号：US16140926
申请日：2018-09-25
IPC分类号： B41J29/377 , B41J2/045 , B41J29/38
摘要： A liquid discharge apparatus includes: a frame; a substrate that is fixed to the frame and has a first surface and a second surface; a first circuit that is provided on the first surface; a second circuit that is provided on the second surface; a heat conductive sheet; and a head unit that is driven by a driving signal and is capable of discharging liquid, in which the first circuit includes a driving signal generation circuit that generates the driving signal using a first transistor and a second transistor, the heat conductive sheet is in contact with the frame, the first surface, the first transistor, and the second transistor, and a distance between a portion of the first circuit farthest from the first surface and the first surface is shorter than a distance between a portion of the second circuit farthest from the second surface and the second surface.
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