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1. 发明申请

US20210221130A1 LIQUID DISCHARGE HEAD 有权
公开(公告)号：US20210221130A1
公开(公告)日：2021-07-22
申请号：US17145854
申请日：2021-01-11
申请人： CANON KABUSHIKI KAISHA
发明人： Makoto Takagi
IPC分类号： B41J2/14
摘要： A liquid discharge head includes a plurality of discharge elements, a plurality of driving elements, a plurality of control circuits, a first ground wiring and a first power supply wiring configured to supply power to the plurality of discharge elements and the plurality of driving elements, and a second ground wiring and a second power supply wiring configured to supply power to the plurality of control circuits. The first ground wiring and the first power supply wiring include, in a first conductive layer of a plurality of conductive layers, a first wiring group extending in a first direction, and in a second conductive layer, a second wiring group extending in a second direction which intersects with the first direction. The second power supply wiring is arranged on one of the first conductive layer and the second conductive layer.

2. 发明授权

US10035346B2 Element substrate and liquid ejection head 有权
公开(公告)号：US10035346B2
公开(公告)日：2018-07-31
申请号：US15000544
申请日：2016-01-19
申请人： CANON KABUSHIKI KAISHA
发明人： Ryo Kasai , Nobuyuki Hirayama , Masataka Sakurai , Kengo Umeda , Hidenori Yamato , Makoto Takagi , Tatsuhito Goden , Sadayoshi Sakuma , Nobuyuki Suzuki , Toru Eto
IPC分类号： B41J2/14
CPC分类号： B41J2/14072 , B41J2/14129 , B41J2202/03 , B41J2202/11 , B41J2202/18
摘要： An element substrate of a liquid ejection head includes: a base material; an insulating film positioned on the base material; a heating resistance element for generating heat energy for ejecting a liquid; a protective film for covering the heating resistance element; a first electrical wiring layer arranged in the insulating film, for supplying a current to the heating resistance element; a second electrical wiring layer arranged on a layer different from the first electrical wiring layer in the insulating film, for supplying a current to the heating resistance element; and at least one connecting member extending into the insulating film to connect the first electrical wiring layer and the heating resistance element, for causing the current to flow in a first direction, the heating resistance element including a connecting region, extending in a second direction intersecting the first direction, to which the at least one connecting member is connected.

3. 发明授权

US09682546B2 Liquid discharging substrate, printhead, and printing apparatus 有权
公开(公告)号：US09682546B2
公开(公告)日：2017-06-20
申请号：US14934332
申请日：2015-11-06
申请人： CANON KABUSHIKI KAISHA
发明人： Makoto Takagi
IPC分类号： B41J29/393 , B41J29/38 , B41J2/045 , B41J2/14
CPC分类号： B41J2/0451 , B41J2/04541 , B41J2/0458 , B41J2/14072 , B41J2202/20
摘要： A liquid discharging substrate on which a plurality of discharging elements are arrayed, comprising a driving portion configured to drive the plurality of discharging elements, a detecting portion including a metal pattern arranged via an insulating member on a corner region of the substrate, and configured to detect damage to the corner region when the metal pattern breaks, and a controlling portion configured to stop the driving portion when the detecting portion detects that the corner region has been damaged.

4. 发明授权

US09623652B2 Liquid discharge component and liquid discharge apparatus 有权
公开(公告)号：US09623652B2
公开(公告)日：2017-04-18
申请号：US14960916
申请日：2015-12-07
申请人： CANON KABUSHIKI KAISHA
发明人： Makoto Takagi
IPC分类号： B41J2/045
CPC分类号： B41J2/04541 , B41J2/04543 , B41J2/0458 , B41J2/04586
摘要： A liquid discharge component includes discharge units arrayed to form columns each extending in a first direction and rows each extending in a second direction. Each discharge unit includes an element configured to apply energy to a liquid, and a driving circuit configured to drive the element. The component includes a logic circuit configured to control the driving circuit. The number of the columns is smaller than the number of the plurality of rows. The logic circuit includes shift registers configured to transfer, in the second direction, data to be supplied to the driving circuits. The shift register is configured to supply data to the discharge units of at least one row, the shift register includes flip-flops arranged in the second direction.

5. 发明授权

US10259216B2 Semiconductor device, liquid discharge head, liquid discharge head cartridge, and printing apparatus 有权
公开(公告)号：US10259216B2
公开(公告)日：2019-04-16
申请号：US15641749
申请日：2017-07-05
申请人： CANON KABUSHIKI KAISHA
发明人： Makoto Takagi
IPC分类号： B41J2/045 , H01L27/088 , H01L23/528 , H01L27/092
摘要： A semiconductor device is provided. The device comprises discharge units each including a discharge element and a driving unit configured to drive the discharge element, and a terminal unit configured to supply power to the discharge units via a wiring line. The discharge units include a first discharge unit including a first discharge element of the discharge elements and a first driving unit of the driving units and a second discharge unit including a second discharge element of the discharge elements and a second driving unit of the driving units. A length of a current path from the terminal unit to the first discharge unit is longer than a length of a current path from the terminal unit to the second discharge unit and a resistance of the first driving unit is lower than a resistance of the second driving unit.

6. 发明申请

US20180015718A1 SEMICONDUCTOR DEVICE, LIQUID DISCHARGE HEAD, LIQUID DISCHARGE HEAD CARTRIDGE, AND PRINTING APPARATUS 审中-公开
公开(公告)号：US20180015718A1
公开(公告)日：2018-01-18
申请号：US15641749
申请日：2017-07-05
申请人： CANON KABUSHIKI KAISHA
发明人： Makoto Takagi
IPC分类号： B41J2/045 , H01L23/528 , H01L27/092
CPC分类号： B41J2/04541 , B41J2/04548 , B41J2/0458 , B41J2/04581 , B41J2/04586 , H01L23/528 , H01L27/088 , H01L27/092 , H01L27/0922
摘要： A semiconductor device is provided. The device comprises discharge units each including a discharge element and a driving unit configured to drive the discharge element, and a terminal unit configured to supply a power supply to the discharge units via a wiring line. The discharge units includes a first discharge unit including a first discharge element of the discharge elements and a first driving unit of the driving units and a second discharge unit including a second discharge element of the discharge elements and a second driving unit of the driving units. A length of a current path from the terminal unit to the first discharge unit is larger than a length of a current path from the terminal unit to the second discharge unit and a resistance of the first driving unit is lower than a resistance of the second driving unit.

7. 发明申请

US20170366104A1 CAPACITIVE ELECTROMECHANICAL TRANSDUCER 审中-公开
公开(公告)号：US20170366104A1
公开(公告)日：2017-12-21
申请号：US15680061
申请日：2017-08-17
申请人： CANON KABUSHIKI KAISHA
发明人： Atsushi Kandori , Makoto Takagi , Masao Majima
IPC分类号： H02N1/00 , B06B1/02
CPC分类号： H02N1/006 , B06B1/0292
摘要： The present invention relates to an electromechanical transducer capable of arbitrarily varying the amount of deflection of a vibrating membrane for every element. The electromechanical transducer includes a plurality of elements including at least one cell that includes a first electrode and a second electrode opposed to the first electrode with a gap sandwiched therebetween and a direct-current voltage applying unit configured to be provided for each element and to separately apply a direct-current voltage to the first electrodes in each element. The first electrodes and the second electrodes are electrically separated for every element.

8. 发明申请

US20170341382A1 PRINT ELEMENT SUBSTRATE AND PRINTING DEVICE 审中-公开
公开(公告)号：US20170341382A1
公开(公告)日：2017-11-30
申请号：US15602671
申请日：2017-05-23
申请人： CANON KABUSHIKI KAISHA
发明人： Ryo Kasai , Kengo Umeda , Takatsuna Aoki , Makoto Takagi
IPC分类号： B41J2/045 , B41J2/14
CPC分类号： B41J2/04563 , B41J2/04528 , B41J2/04541 , B41J2/0458 , B41J2/14072 , B41J2/14088
摘要： A print element substrate and a printing device which can suppress lowering of an image quality are provided. For that purpose, a heater, a sub-heater, and a driver are arranged in each heating area, and a plurality of the heating areas is arrayed on the print element substrate.

9. 发明授权

US09774276B2 Capacitive electromechanical transducer 有权
公开(公告)号：US09774276B2
公开(公告)日：2017-09-26
申请号：US14562464
申请日：2014-12-05
申请人： CANON KABUSHIKI KAISHA
发明人： Atsushi Kandori , Makoto Takagi , Masao Majima
IPC分类号： H02N11/00 , H02N1/00 , B06B1/02
CPC分类号： H02N1/006 , B06B1/0292
摘要： The present invention relates to an electromechanical transducer capable of arbitrarily varying the amount of deflection of a vibrating membrane for every element. The electromechanical transducer includes a plurality of elements including at least one cell that includes a first electrode and a second electrode opposed to the first electrode with a gap sandwiched therebetween and a direct-current voltage applying unit configured to be provided for each element and to separately apply a direct-current voltage to the first electrodes in each element. The first electrodes and the second electrodes are electrically separated for every element.

10. 发明申请

US20160167373A1 LIQUID DISCHARGE COMPONENT AND LIQUID DISCHARGE APPARATUS 有权
标题翻译：液体排放组件和液体排放装置
公开(公告)号：US20160167373A1
公开(公告)日：2016-06-16
申请号：US14960916
申请日：2015-12-07
申请人： CANON KABUSHIKI KAISHA
发明人： Makoto Takagi
IPC分类号： B41J2/045
CPC分类号： B41J2/04541 , B41J2/04543 , B41J2/0458 , B41J2/04586
摘要： A liquid discharge component includes discharge units arrayed to form columns each extending in a first direction and rows each extending in a second direction. Each discharge unit includes an element configured to apply energy to a liquid, and a driving circuit configured to drive the element. The component includes a logic circuit configured to control the driving circuit. The number of the columns is smaller than the number of the plurality of rows. The logic circuit includes shift registers configured to transfer, in the second direction, data to be supplied to the driving circuits. The shift register is configured to supply data to the discharge units of at least one row, the shift register includes flip-flops arranged in the second direction.
摘要翻译：液体排出部件包括排列单元，排出单元，其形成各自沿第一方向延伸的列，每排沿第二方向延伸。每个放电单元包括被配置为向液体施加能量的元件和被配置为驱动该元件的驱动电路。该组件包括被配置为控制驱动电路的逻辑电路。列的数量小于多行的数量。逻辑电路包括移位寄存器，配置成在第二方向上传送要提供给驱动电路的数据。移位寄存器被配置为向至少一行的放电单元提供数据，移位寄存器包括沿第二方向布置的触发器。

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