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公开(公告)号：US20170066236A1
公开(公告)日：2017-03-09
申请号：US15245577
申请日：2016-08-24
CPC分类号： B41J2/04588 , B41J2/04573 , B41J2/04581 , B41J2/04596 , B41J2/14201 , B41J2/14274 , B41J2/155
摘要： A device to discharge liquid includes a liquid discharging head to discharge the liquid and a drive waveform generating device to generate and output a drive waveform including continuous multiple drive pulses to discharge the liquid from the liquid discharging head that are continuously arranged in chronological order to form a single droplet. The continuous multiple drive pulses include an inflation waveform element to inflate an individual liquid chamber of the liquid discharging head and a contraction waveform element to contract the inflated individual liquid chamber to discharge the liquid. When the wave element between the continuous multiple drive pulses is determined as the holding wave element between pulses, the voltage held by the holding waveform element is higher than the initial voltage of the inflation waveform element of the first drive pulse and the ending voltage of the contraction waveform element of the last drive pulse.
摘要翻译： 排出液体的装置包括用于排出液体的液体排出头和驱动波形发生装置，以产生并输出包括连续的多个驱动脉冲的驱动波形，以从液体排出头排出液体，该液体按时间顺序连续排列以形成 单个液滴。 连续多个驱动脉冲包括用于使液体排出头的各个液体室膨胀的膨胀波形元件和收缩波形元件，以收缩膨胀的各个液体室以排出液体。 当连续多个驱动脉冲之间的波形元件被确定为脉冲之间的保持波形元件时，由保持波形元件保持的电压高于第一驱动脉冲的充气波形元件的初始电压和 收缩波形元素的最后一个驱动脉冲。
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公开(公告)号：US20230398780A1
公开(公告)日：2023-12-14
申请号：US18205572
申请日：2023-06-05
申请人： Chikako HATTA , Shinichiroh OSANAI , Kohta AKIYAMA
发明人： Chikako HATTA , Shinichiroh OSANAI , Kohta AKIYAMA
IPC分类号： B41J2/14
CPC分类号： B41J2/1433
摘要： A liquid discharge head includes: a nozzle plate having multiple nozzle holes from which a liquid is to be discharged in a liquid discharge direction, the multiple nozzle holes arrayed in a nozzle array direction orthogonal to the liquid discharge direction; and a pressure chamber communicating with the multiple nozzle holes, wherein a volume Vmin of a virtual hemisphere S1 is 5×105 μm3 or more and 5×106 μm3 or less, and a volume Vmax of a virtual hemisphere S2 is five times or more and less than 1000 times the volume Vmin, each of the multiple nozzle holes has a virtual center line, and the nozzle plate has an inner surface defining a wall of the pressure chamber, the inner surface having multiple openings of each of the multiple nozzle holes.
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公开(公告)号：US10906303B2
公开(公告)日：2021-02-02
申请号：US16575905
申请日：2019-09-19
申请人： Shinichiroh Osanai
发明人： Shinichiroh Osanai
IPC分类号： B41J2/045
摘要： A liquid discharging apparatus includes a liquid discharging head that discharges liquid from a nozzle, and a driving signal substrate that inputs, to the liquid discharging head, a driving signal according to waveform data. The liquid discharging head includes a driving element that drives the nozzle, switching elements connected to the driving element, a signal transmitter connected to the driving element via the switching elements and including signal lines through which the driving signal is transmitted according to waveform data, and a potential difference detector that detects a potential difference based on an intermediate potential of the driving signal transmitted through each signal line. The liquid discharging apparatus generates a correction signal based on the potential difference; corrects the waveform data based on the correction signal; generates the driving signal based on the corrected waveform data; and outputs the generated driving signal to the corresponding signal line.
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公开(公告)号：US09643414B2
公开(公告)日：2017-05-09
申请号：US15245577
申请日：2016-08-24
CPC分类号： B41J2/04588 , B41J2/04573 , B41J2/04581 , B41J2/04596 , B41J2/14201 , B41J2/14274 , B41J2/155
摘要： A device to discharge liquid includes a liquid discharging head to discharge the liquid and a drive waveform generating device to generate and output a drive waveform including continuous multiple drive pulses to discharge the liquid from the liquid discharging head that are continuously arranged in chronological order to form a single droplet. The continuous multiple drive pulses include an inflation waveform element to inflate an individual liquid chamber of the liquid discharging head and a contraction waveform element to contract the inflated individual liquid chamber to discharge the liquid. When the wave element between the continuous multiple drive pulses is determined as the holding wave element between pulses, the voltage held by the holding waveform element is higher than the initial voltage of the inflation waveform element of the first drive pulse and the ending voltage of the contraction waveform element of the last drive pulse.
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