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1. 发明申请

US20230049764A1 METHOD FOR MANUFACTURING LIQUID EJECTION HEAD SUBSTRATE AND METHOD FOR MANUFACTURING LIQUID EJECTION HEAD 有权
公开(公告)号：US20230049764A1
公开(公告)日：2023-02-16
申请号：US17886646
申请日：2022-08-12
申请人： CANON KABUSHIKI KAISHA
发明人： Seiko Minami , Hidenori Yamato , Takaaki Yamaguchi , Nobuyuki Hirayama , Kyohei Kubota , Yu Nishimura
IPC分类号： B41J2/16
摘要： Provided is a method for manufacturing a liquid ejection head substrate and a method for manufacturing a liquid ejection head capable of reducing degradation of the quality of a printed image. To this end, in formation of a liquid ejection head substrate, a part required to have more precise relative positional relation or not required to have high fabrication precision is set as a first part, and for the first part, a single-shot exposure method is employed. Also, a part required to have higher fabrication precision is set as a second part, and for the second part, a split exposure method is employed.

2. 发明授权

US11479037B2 Liquid discharging head 有权
公开(公告)号：US11479037B2
公开(公告)日：2022-10-25
申请号：US17025855
申请日：2020-09-18
申请人： CANON KABUSHIKI KAISHA
发明人： Hideo Kanno , Nobuyuki Hirayama , Ryo Kasai
IPC分类号： B41J2/045 , B41J2/14
摘要： A printing apparatus comprising a printing element substrate, including a substrate including a heating element for heating and discharging liquid and a temperature detecting element for detecting a temperature of the substrate, wherein a detection period, during which a detecting result is obtainable, extends across a plurality of cycles of a latch signal, and a heating enabling signal for discharging the liquid and the latch signal are output such that, in the detection period, an output value of a temperature waveform does not exceed a preset threshold value, the temperature waveform being a temperature waveform of the substrate detected by the temperature detecting element.

3. 发明授权

US11027543B2 Printing apparatus and method of determining minimum discharge energy 有权
公开(公告)号：US11027543B2
公开(公告)日：2021-06-08
申请号：US16701420
申请日：2019-12-03
申请人： CANON KABUSHIKI KAISHA
发明人： Takatsugu Moriya , Masaki Oikawa , Nobuyuki Hirayama , Hiroyasu Nomura
IPC分类号： B41J2/045 , B41J2/14
摘要： A printing apparatus measures a temperature of an electrothermal transducer by a corresponding temperature detection element, detects, based on the measured temperature, a peak voltage which indicates a point of change, from a state where ink is discharged normally from a printhead to a state where the ink is not discharged from the printhead, and compares the peak voltage with a threshold value. The measurement, detection, and comparison are repeated until the peal voltage becomes equal to or more than the threshold value. Energy supplied to the electrothermal transducer at a time in which the peak voltage is determined to be equal to or more than the threshold is determined to be minimum discharge energy.

4. 发明授权

US09283748B2 Printhead and printing apparatus 有权
标题翻译：打印头和打印设备
公开(公告)号：US09283748B2
公开(公告)日：2016-03-15
申请号：US14258215
申请日：2014-04-22
申请人： CANON KABUSHIKI KAISHA
发明人： Kengo Umeda , Nobuyuki Hirayama
IPC分类号： B41J2/045
CPC分类号： B41J2/04563 , B41J2/04541 , B41J2/0458 , B41J2/04581 , B41J2202/20 , B41J2202/21
摘要： A printhead includes a plurality of element substrates, each including a plurality of printing elements, arranged in the arrayed direction of the printing elements. Each element substrate includes a temperature detection element for detecting the temperature of the element substrate. The printhead includes a head control IC connected to each element substrate and configured to control driving of the printing elements integrated on the element substrates. The head control IC and the element substrates are connected via a head terminal by a signal wire for transferring a signal between the head control IC and each element substrate. A temperature detection signal output from the temperature detection element and an image data signal are multiplexed on part of the signal wires.
摘要翻译：打印头包括多个元件基板，每个元件基板包括沿打印元件的排列方向布置的多个打印元件。每个元件基板包括用于检测元件基板的温度的温度检测元件。打印头包括连接到每个元件基板并被配置为控制集成在元件基板上的打印元件的驱动的头部控制IC。磁头控制IC和元件基板通过头端子通过信号线连接，用于在磁头控制IC和每个元件基板之间传送信号。从温度检测元件输出的温度检测信号和图像数据信号在信号线的一部分上被复用。

5. 发明申请

US20150062212A1 ELEMENT SUBSTRATE, PRINTHEAD, AND PRINTING APPARATUS 有权
标题翻译：元件基板，打印头和打印设备
公开(公告)号：US20150062212A1
公开(公告)日：2015-03-05
申请号：US14457175
申请日：2014-08-12
申请人： CANON KABUSHIKI KAISHA
发明人： Kengo Umeda , Nobuyuki Hirayama
IPC分类号： B41J2/045
CPC分类号： B41J2/04541 , B41J2/04543 , B41J2/04545 , B41J2/04573 , B41J2/04585 , B41J2/1601 , B41J2/2132 , B41J2/2146
摘要： An element substrate capable of suppressing occurrence of electromagnetic noise upon driving printing elements on an element substrate with long wiring lengths, preventing an operation error, and printing a high-quality image is provided. In the element substrate, plural element substrates each including printing elements are arrayed in an arrayed direction of the printing elements. Each element substrate including a wiring for supplying a driving power to drive the printing elements, and a ground wiring from the printing elements is configured as follows. Each element substrate includes a delay circuit for delaying a heat enable signal to drive the printing elements and supplying it to each printing element, and a switchover circuit for switching over, in accordance with a control signal, a delay sequence when supplying the heat enable signal to each printing element.
摘要翻译：提供了能够抑制在布线长度长的元件基板上驱动打印元件时发生电磁噪声的元件基板，防止操作错误和打印高质量图像。在元件基板中，沿打印元件的排列方向排列包括印刷元件的多个元件基板。包括用于提供用于驱动打印元件的驱动力的布线的每个元件基板以及来自打印元件的接地布线被配置如下。每个元件基板包括用于延迟加热使能信号以驱动打印元件并将其提供给每个打印元件的延迟电路，以及切换电路，用于根据控制信号在提供加热使能信号时切换延迟序列到每个印刷元件。

6. 发明申请

US20140354720A1 ELEMENT SUBSTRATE, PRINTHEAD, AND PRINTING APPARATUS 有权
标题翻译：元件基板，打印头和打印设备
公开(公告)号：US20140354720A1
公开(公告)日：2014-12-04
申请号：US14286098
申请日：2014-05-23
申请人： CANON KABUSHIKI KAISHA
发明人： Ryo Kasai , Nobuyuki Hirayama , Makoto Takagi
IPC分类号： H03K19/0175 , B41J2/07
CPC分类号： H03K19/017509 , B41J2/04543 , B41J2/0455 , B41J2/0458 , B41J2/07 , B41J2202/21
摘要： A recent inkjet printing apparatus includes a large-capacitance capacitor to stabilize a heater power supply. The presence of this capacitor requires a long time to drop the heater voltage at the time of power shutdown or the like. For this reason, an unwanted heater current may flow during the drop. To solve this problem, in this embodiment, a high voltage logic circuit is provided near a printing element, and a terminal is provided so that a signal can directly be input to this circuit. Heater driving control is performed via the terminal. This makes it possible to reliably control the heater regardless of the logic power supply state even if the logic voltage abruptly drops at the time of power shutdown or the like.
摘要翻译：近来的喷墨打印设备包括用于稳定加热器电源的大容量电容器。该电容器的存在需要很长时间才能在电源关闭等时降低加热器电压。因此，在下降期间可能会流过不需要的加热器电流。为了解决这个问题，在本实施例中，在印刷元件附近设置有高电压逻辑电路，并且提供端子，使得信号可以直接输入到该电路。加热器驱动控制通过终端进行。这使得即使在停电等时逻辑电压突然下降，也可以可靠地控制加热器，而与逻辑电源状态无关。

7. 发明申请

US20140327717A1 PRINTHEAD AND PRINTING APPARATUS 有权
标题翻译：打印和打印设备
公开(公告)号：US20140327717A1
公开(公告)日：2014-11-06
申请号：US14258215
申请日：2014-04-22
申请人： CANON KABUSHIKI KAISHA
发明人： Kengo UMEDA , Nobuyuki Hirayama
IPC分类号： B41J2/045
CPC分类号： B41J2/04563 , B41J2/04541 , B41J2/0458 , B41J2/04581 , B41J2202/20 , B41J2202/21
摘要： A printhead according to an embodiment of this invention in which a plurality of element substrates each including a plurality of printing elements are arranged in the arrayed direction of the printing elements has the following arrangement. Each element substrate includes a temperature detection element for detecting the temperature of the element substrate. The printhead includes a head control IC connected to each element substrate and configured to control driving of the printing elements integrated on the element substrates. The head control IC and the element substrates are connected via a head terminal by a signal wire for transferring a signal between the head control IC and each element substrate. A temperature detection signal output from the temperature detection element and an image data signal are multiplexed on part of the signal wires.
摘要翻译：根据本发明的一个实施例的打印头，其中在打印元件的排列方向上布置有包括多个打印元件的多个元件基板具有以下配置。每个元件基板包括用于检测元件基板的温度的温度检测元件。打印头包括连接到每个元件基板并被配置为控制集成在元件基板上的打印元件的驱动的头部控制IC。磁头控制IC和元件基板通过头端子通过信号线连接，用于在磁头控制IC和每个元件基板之间传送信号。从温度检测元件输出的温度检测信号和图像数据信号在信号线的一部分上被复用。

8. 发明申请

US20140035977A1 RECEPTION DEVICE AND APPARATUS HAVING THE SAME 审中-公开
标题翻译：接收装置和具有该接收装置的装置
公开(公告)号：US20140035977A1
公开(公告)日：2014-02-06
申请号：US14048541
申请日：2013-10-08
申请人： CANON KABUSHIKI KAISHA
发明人： Ryo Kasai , Nobuyuki Hirayama , Tatsuo Furukawa , Kimiyuki Hayasaki , Hisao Terajima
IPC分类号： B41J2/07
CPC分类号： B41J2/07 , G06F2213/0038 , H04L25/0272 , H04L25/0292 , H04L25/49
摘要： Data transfer is realized to support a high-speed and complex driving control of the driving element. A driving device includes a driving unit configured to supply a driving element with a pulse signal that determines a driving period to drive the driving element, an input unit configured to receive, in synchronization with a trigger signal, a data signal containing first information, second information, a first flag and a second flag that determine a waveform of the pulse signal, a first setting unit configured to set in the driving unit the first information that is input to the input unit, a retaining unit configured to read and retain the second information on the basis of the first flag, and a second setting unit configured to set in the driving unit the second information that is retained in the retaining unit on the basis of the second flag.
摘要翻译：实现数据传输以支持驱动元件的高速和复杂的驱动控制。驱动装置包括：驱动单元，被配置为向驱动元件提供确定用于驱动驱动元件的驱动周期的脉冲信号;输入单元，被配置为与触发信号同步地接收包含第一信息的数据信号，第二信号信息，第一标志和第二标志，确定脉冲信号的波形;第一设置单元，被配置为在驱动单元中设置输入到输入单元的第一信息;保持单元，被配置为读取并保持第二信号基于第一标志的信息，以及第二设定单元，被配置为基于第二标志将驱动单元中保留在保持单元中的第二信息设置在驱动单元中。

9. 发明申请

US20130093808A1 ELEMENT SUBSTRATE, PRINTHEAD AND PRINTING APPARATUS 有权
标题翻译：元件基板，印刷和印刷设备
公开(公告)号：US20130093808A1
公开(公告)日：2013-04-18
申请号：US13644811
申请日：2012-10-04
申请人： CANON KABUSHIKI KAISHA
发明人： Hideo Kanno , Nobuyuki Hirayama
IPC分类号： B41J29/38 , B41J2/14 , G01R19/00
CPC分类号： B41J2/04563 , B41J2/04508 , B41J2/0451 , B41J2/04541 , B41J2/0455 , B41J2/0458
摘要： An element substrate, comprising a first resistance element and second resistance element each of which includes a first terminal and a second terminal and is arranged in a predetermined direction, wherein the first terminals are connected to a first line for commonly supplying a current, and the second terminals are connected to a second line for commonly supplying a current, and a detection unit configured to detect a voltage of the first terminal of the first resistance element and a voltage of the first terminal of the second resistance element while power is supplied to the first resistance element and is not supplied to the second resistance element.
摘要翻译：一种元件基板，包括第一电阻元件和第二电阻元件，每个元件包括第一端子和第二端子，并且沿预定方向布置，其中第一端子连接到用于共同供应电流的第一线，并且第二端子连接到用于共同提供电流的第二线路，以及检测单元，被配置为检测第一电阻元件的第一端子的电压和第二电阻元件的第一端子的电压，第一电阻元件并且不被提供给第二电阻元件。

10. 发明授权

US11981131B2 Print element substrate and temperature detection apparatus 有权
公开(公告)号：US11981131B2
公开(公告)日：2024-05-14
申请号：US17828774
申请日：2022-05-31
申请人： CANON KABUSHIKI KAISHA
发明人： Hideo Kanno , Nobuyuki Hirayama
IPC分类号： B41J2/045
CPC分类号： B41J2/04563 , B41J2/0455 , B41J2/0458
摘要： A print element substrate comprises print elements generating thermal energy for ejecting liquid; and a temperature detection element circuit including temperature detection elements provided corresponding to each of the print elements, and reading temperature information by selectively energizing one of the temperature detection elements, wherein the temperature detection element circuit includes: a signal processing portion outputting a selection signal having a second voltage amplitude larger than a first voltage amplitude, based on an input signal having the first voltage amplitude; a selection switch provided for each of the plurality of temperature detection elements, selecting the temperature detection element; and a first read switch provided for each of the plurality of temperature detection elements, reading a voltage of a terminal of one of the temperature detection element selected by the selection switch, and wherein the selection switch and the first read switch are driven by using the selection signal.

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