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1. 发明公开

US20240075738A1 PRINTING APPARATUS, CONTROL METHOD OF PRINTING APPARATUS, AND STORAGE MEDIUM 审中-公开
公开(公告)号：US20240075738A1
公开(公告)日：2024-03-07
申请号：US18458198
申请日：2023-08-30
申请人： CANON KABUSHIKI KAISHA
发明人： YUSHI SUEMATSU , DAISUKE KOBAYASHI
IPC分类号： B41J2/045
CPC分类号： B41J2/04563 , B41J2/04585
摘要： A printing apparatus includes: a control unit configured to control a first heating process and a second heating process and configured to control the first heating process and the second heating process to be performed before a printing head starts printing an image on printing medium that is a printing target, wherein the second heating process is performed after the first heating process and before the printing head prints the image, and wherein a first target temperature in the first heating process is higher than a second target temperature in the second heating process.

2. 发明公开

US20230241886A1 LIQUID DISCHARGE APPARATUS 审中-公开
公开(公告)号：US20230241886A1
公开(公告)日：2023-08-03
申请号：US18103490
申请日：2023-01-31
申请人： Akio MOTEGI
发明人： Akio MOTEGI
IPC分类号： B41J2/045
CPC分类号： B41J2/0451 , B41J2/04581 , B41J2/04585
摘要： A liquid discharge apparatus includes a liquid discharge head, circuitry, and an image detector. The liquid discharge head includes multiple nozzles and discharges a liquid from the multiple nozzles. The circuitry causes the liquid discharge head to discharge the liquid onto a recording medium to form an image in an image area of the recording medium in a printing operation. The image detector reads the image formed on the recording medium. The circuitry further causes the liquid discharge head to discharge the liquid onto at least one of a leading end or a trailing end of the recording medium to form a flushing pattern different from the image in a flushing operation, causes the image detector to read the flushing pattern, detect a defective part in the flushing pattern read by the image detector, and identify a defective nozzle among the multiple nozzles based on defective part.

3. 发明申请

US20180264808A1 PRINTHEAD EMPLOYING DATA PACKETS INCLUDING ADDRESS DATA 审中-公开
公开(公告)号：US20180264808A1
公开(公告)日：2018-09-20
申请号：US15544053
申请日：2015-02-13
申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
发明人： Chris Bakker , Eric T Martin , Adam L Ghozeil
IPC分类号： B41J2/045 , B41J2/175 , B41J2/18
CPC分类号： B41J2/04588 , B41J2/04541 , B41J2/0455 , B41J2/0458 , B41J2/04581 , B41J2/04585 , B41J2/175 , B41J2/17546 , B41J2/18
摘要： A printhead including an address line for communicating a set of addresses and a number of primitives, each primitive including a plurality of controllable activation devices coupled to the address line, each switch corresponding to at least one address of the set of addresses, each address corresponding to one of a number of primitive functions. A buffer receives a series of data packets, each data packet including address bits representative of one address of the set of addresses. Address logic receives the address bits PULSE POWER GROUND from the buffer, wherein for each data packet the address logic encodes the address represented by the address bits onto the address line, and wherein the at least one switch corresponding to the address activates the primitive function corresponding to address.

4. 发明申请

US20180056650A1 METHOD FOR CONTROLLING ACTUATORS OF AN INK PRINTING SYSTEM 审中-公开
公开(公告)号：US20180056650A1
公开(公告)日：2018-03-01
申请号：US15690806
申请日：2017-08-30
申请人： Océ Holding B.V.
发明人： Wolfgang Hettler , Christian Maier
IPC分类号： B41J2/045
CPC分类号： B41J2/04573 , B41J2/04536 , B41J2/04581 , B41J2/04585 , B41J2/165 , B41J2/16526 , B41J2/16585 , B41J2002/16529
摘要： In the method for controlling actuators, corresponding actuators are controlled so that they eject the ink droplets for the print image. Corresponding actuators are additionally controlled in order to eject refresh droplets in the image background according to a random distribution. In the event that no image droplet is printed between two successive refresh droplets, the ink meniscus is set into vibration as a refresh measure between the refresh droplets.

5. 发明申请

US20170217165A1 FLUID EJECTION APPARATUS WITH SINGLE-SIDE THERMAL SENSOR 有权
公开(公告)号：US20170217165A1
公开(公告)日：2017-08-03
申请号：US15486602
申请日：2017-04-13
申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
发明人： David Maxfield
IPC分类号： B41J2/045
CPC分类号： B41J2/04563 , B41J2/04585 , B41J2/04586 , B41J2/14072 , B41J2/14153
摘要： An example provides a fluid ejection apparatus including a fluid feed slot to supply a fluid to a plurality of drop ejectors, a first rib at a first side of the fluid feed slot and supporting drop ejection circuitry to control ejection of drops of the fluid from the plurality of drop ejectors, and a second rib at a second side, opposite the first side, of the fluid feed slot supporting a thermal sensor to facilitate determination of a temperature of the first rib and the second rib.

6. 发明授权

US09669624B2 Fluid ejection apparatus with single-side thermal sensor 有权
公开(公告)号：US09669624B2
公开(公告)日：2017-06-06
申请号：US15039259
申请日：2013-11-26
申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
发明人： David Maxfield
IPC分类号： B41J2/15 , B41J2/045 , B41J2/14
CPC分类号： B41J2/04563 , B41J2/04585 , B41J2/04586 , B41J2/14072 , B41J2/14153
摘要： An example provides a fluid ejection apparatus including a fluid feed slot to supply a fluid to a plurality of drop ejectors, a first rib at a first side of the fluid feed slot and supporting drop ejection circuitry to control ejection of drops of the fluid from the plurality of drop ejectors, and a second rib at a second side, opposite the first side, of the fluid feed slot supporting a thermal sensor to facilitate determination of a temperature of the first rib and the second rib.

7. 发明申请

US20170136765A1 PRINTHEAD SUBSTRATE AND PRINTING APPARATUS 审中-公开
公开(公告)号：US20170136765A1
公开(公告)日：2017-05-18
申请号：US15420837
申请日：2017-01-31
申请人： CANON KABUSHIKI KAISHA
发明人： Masanobu Ohmura
IPC分类号： B41J2/045
CPC分类号： B41J2/04541 , B41J2/04585 , B41J2/14016 , B41J2/14427 , B41J2/35 , G11C17/16 , G11C17/18
摘要： A printhead substrate, comprising an electrothermal transducer configured to heat a printing material, a first DMOS transistor configured to drive the electrothermal transducer, a MOS structure forming an anti-fuse element, a second DMOS transistor configured to write information in the anti-fuse element by causing an insulation breakdown of an insulating film of the MOS structure, and a driving unit consisted of at least one MOS transistor and configured to drive the second DMOS transistor.

8. 发明申请

US20170050430A1 SYSTEM FOR DETECTING INOPERATIVE INKJETS IN PRINTHEADS EJECTING CLEAR INK USING THERMAL SUBSTRATES 有权
标题翻译：用于检测印刷机中使用热衬底清洗油墨的系统
公开(公告)号：US20170050430A1
公开(公告)日：2017-02-23
申请号：US15342941
申请日：2016-11-03
申请人： Xerox Corporation
发明人： Patricia J. Donaldson , William H. Wayman
IPC分类号： B41J2/045 , B41J2/21 , B29C67/00 , B41J2/125 , B41J2/165 , B41J2/14 , B41J29/393
CPC分类号： B41J2/04535 , B29C64/112 , B29C64/386 , B33Y30/00 , B33Y50/02 , B33Y70/00 , B41J2/04585 , B41J2/125 , B41J2/14153 , B41J2/16579 , B41J2/21 , B41J2/2107 , B41J2/2114 , B41J2/2142 , B41J29/393 , B41J2029/3935
摘要： An apparatus detects inoperative inkjets during printing. The apparatus operates the printhead or printheads in the printer to form test pattern on a thermal substrate. The heat of the materials used to form the test pattern increase the optical density of the areas where the materials land. The area where the test pattern is formed is imaged and the image data are analyzed to identify inoperative inkjets.
摘要翻译：一种装置在打印期间检测不起作用的喷墨。该设备操作打印机中的打印头或打印头以在热衬底上形成测试图案。用于形成测试图案的材料的热量增加了材料着陆区域的光密度。成像测试图形的区域，分析图像数据以识别不工作的喷墨。

9. 发明申请

US20160193831A1 SYSTEM FOR DETECTING INOPERATIVE INKJETS IN PRINTHEADS EJECTING CLEAR INK USING THERMAL SUBSTRATES 有权
标题翻译：用于检测印刷机中使用热衬底清洗油墨的系统
公开(公告)号：US20160193831A1
公开(公告)日：2016-07-07
申请号：US15070589
申请日：2016-03-15
申请人： Xerox Corporation
发明人： Patricia J. Donaldson , William H. Wayman
IPC分类号： B41J2/125
CPC分类号： B41J2/04535 , B29C64/112 , B29C64/386 , B33Y30/00 , B33Y50/02 , B33Y70/00 , B41J2/04585 , B41J2/125 , B41J2/14153 , B41J2/16579 , B41J2/21 , B41J2/2107 , B41J2/2114 , B41J2/2142 , B41J29/393 , B41J2029/3935
摘要： An apparatus detects inoperative inkjets during printing. The apparatus operates the printhead or printheads in the printer to form test pattern on a thermal substrate. The heat of the materials used to form the test pattern increase the optical density of the areas where the materials land. The area where the test pattern is formed is imaged and the image data are analyzed to identify inoperative inkjets.
摘要翻译：一种装置在打印期间检测不起作用的喷墨。该设备操作打印机中的打印头或打印头以在热衬底上形成测试图案。用于形成测试图案的材料的热量增加了材料着陆区域的光密度。成像测试图形的区域，分析图像数据以识别不工作的喷墨。

10. 发明申请

US20150321470A1 BASE, LIQUID DISCHARGE HEAD, PRINTING APPARATUS, AND METHOD FOR DETERMINING LIQUID DISCHARGE STATUS 有权
标题翻译：底座，液体排出头，打印装置和用于确定液体排放状态的方法
公开(公告)号：US20150321470A1
公开(公告)日：2015-11-12
申请号：US14695318
申请日：2015-04-24
申请人： CANON KABUSHIKI KAISHA
发明人： Takeshi Ike
IPC分类号： B41J2/045 , B41J2/14
CPC分类号： B41J2/14153 , B41J2/0451 , B41J2/0454 , B41J2/04563 , B41J2/0458 , B41J2/04585 , B41J2/14427 , B41J2002/14354
摘要： An embodiment of this invention is directed to determining a discharge status of liquid discharged from a liquid discharge head capable of accurately determining the discharge status of each nozzle at high speed with a simple arrangement. According to the embodiment, a base includes an electrothermal transducer configured to supply heat to liquid, a first temperature detection element configured to detect the temperature of the electrothermal transducer, and a second temperature detection element configured to detect the temperature of the same electrothermal transducer. In this case, the first and the second temperature detection elements are arranged so that at least part of each of the first and second temperature detection elements is included immediately above or below a region where the electrothermal transducer is arranged in the base.
摘要翻译：本发明的一个实施例涉及确定从液体排出头排出的液体的放电状态，其能够以简单的布置精确地确定每个喷嘴的排出状态。根据实施例，基座包括被配置为向液体供应热量的电热转换器，被配置为检测电热换能器的温度的第一温度检测元件以及被配置为检测相同电热换能器的温度的第二温度检测元件。在这种情况下，第一和第二温度检测元件被布置成使得第一和第二温度检测元件中的每一个的至少一部分被包括在电热转换器布置在基座中的区域的正上方或下方。

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