公开(公告)号：US09162474B2

公开(公告)日：2015-10-20

申请号：US14222034

申请日：2014-03-21

Applicant: SEIKO EPSON CORPORATION

Inventor： Takamitsu Kondo ,  Toru Takahashi ,  Tsuneo Kasai ,  Kazuyoshi Tanase

IPC: B41J29/393 ,  B41J2/21 ,  B41J2/175 ,  B41J29/38

CPC classification number: B41J2/2114 ,  B41J2/175 ,  B41J2/17596 ,  B41J2/2142 ,  B41J2/2146 ,  B41J29/38 ,  B41J2029/3935

Abstract: A method for calculating a compensation value for use in a correction of a liquid landing position in a liquid ejection device provided with a first head for ejecting a first colored liquid and a second head for ejecting a transparent liquid includes, when forming a test pattern on a medium, forming the test pattern by feeding the first colored liquid to the second head and causing the second head to eject the first colored liquid, and obtaining a compensation value for a correction of a landing position of a liquid ejected by the second head on the basis of the test pattern formed on the medium.

Abstract translation: 一种用于计算在具有用于喷射第一着色液体的第一头的液体喷射装置中的液体着陆位置的校正中使用的补偿值的方法和用于喷射透明液体的第二头部的方法包括：当形成测试图案时 介质，通过将第一着色液体供给到第二头部并使第二头部喷射第一着色液体形成测试图案，并且获得用于校正由第二头部喷射的液体的着陆位置的补偿值 在培养基上形成的测试图案的基础。

公开(公告)号：US11991326B2

公开(公告)日：2024-05-21

申请号：US18150218

申请日：2023-01-05

Applicant: SEIKO EPSON CORPORATION

Inventor： Tsuneo Kasai ,  Ryo Yamaguchi

IPC: H04N1/04 ,  H04N1/00

CPC classification number: H04N1/00806

Abstract: There is provided a flat head type image reading device configured to scan a standard size document including an A4 size, the image reading device including: a document pressing section pressing the standard size document and made of an elastic member, in which the document pressing section has fixing members, and the fixing members are arranged at positions corresponding to end portions of the standard size document.

公开(公告)号：US09665806B2

公开(公告)日：2017-05-30

申请号：US15095372

申请日：2016-04-11

Applicant: SEIKO EPSON CORPORATION

Inventor： Akira Akazawa ,  Toru Takahashi ,  Tsuneo Kasai ,  Yasuhiro Takeuchi

IPC: B41J2/21 ,  G06K15/02 ,  H04N1/00 ,  B41J11/00

CPC classification number: G06K15/1823 ,  B41J2/2114 ,  B41J11/0015 ,  B41J11/002 ,  G06K15/021 ,  H04N1/00724

Abstract: A printing apparatus of the invention includes a medium information acquisition section that acquires medium information that can specify a type of a print medium, a printing section that discharges print ink to the print medium, a coating section that coats the print medium with precoat liquid before the printing section performs printing, and a coating control section that controls the coating section. The coating control section variably changes an amount of coating of the precoat liquid per unit area according to the acquired medium information.

公开(公告)号：US08899710B2

公开(公告)日：2014-12-02

申请号：US13851628

申请日：2013-03-27

Applicant: Seiko Epson Corporation

Inventor： Osamu Shinkawa ,  Kenji Otokita ,  Masahiko Yoshida ,  Tsuneo Kasai ,  Toshiyuki Suzuki

IPC: B41J29/393

CPC classification number: B41J2/04541 ,  B41J2/0451 ,  B41J2/04581 ,  B41J2/04588 ,  B41J2/04595 ,  B41J2/04596 ,  B41J2202/20 ,  B41J2202/21

Abstract: A liquid discharge apparatus which causes a liquid to be discharged through a first nozzle by applying a driving signal to a first driving element, and causes a liquid to be discharged through a second nozzle by applying the driving signal to a second driving element, and which, with respect to the first nozzle, determines on the basis of an image formed by causing the liquid to be discharged through the first nozzle whether or not the first nozzle causes a liquid discharge failure, and, with respect to the second nozzle, determines on the basis of a detection signal which is obtained by applying the driving signal to the second driving element whether or not the second nozzle corresponding to the second driving element causes a liquid discharge failure.

Abstract translation: 一种液体排出装置，其通过向第一驱动元件施加驱动信号而使液体通过第一喷嘴排出，并且通过将驱动信号施加到第二驱动元件而使液体通过第二喷嘴排出，并且其中 相对于第一喷嘴，基于通过使第一喷嘴导致液体排出不良而使液体排出的图像来确定，并且相对于第二喷嘴确定为 通过将驱动信号施加到第二驱动元件而获得的检测信号的基础是否与第二驱动元件相对应的第二喷嘴是否导致液体排出故障。

公开(公告)号：US11943413B2

公开(公告)日：2024-03-26

申请号：US18149693

申请日：2023-01-04

Applicant: SEIKO EPSON CORPORATION

Inventor： Tsuneo Kasai ,  Ryo Yamaguchi ,  Sho Arai

IPC: H04N1/193 ,  H04N1/10

CPC classification number: H04N1/1936 ,  H04N1/1013 ,  H04N2201/0081 ,  H04N2201/0094

Abstract: A document platen on which a document is placed; and a reading sensor having a light source for irradiating the document with light, are provided, and the reading sensor performs first scanning for irradiating the document with light at a first light quantity, and then performs second scanning for irradiating the document with light at a second light quantity greater than the first light quantity.

公开(公告)号：US09855778B2

公开(公告)日：2018-01-02

申请号：US14970645

申请日：2015-12-16

Applicant: SEIKO EPSON CORPORATION

Inventor： Yasuhiro Takeuchi ,  Toru Takahashi ,  Tsuneo Kasai ,  Akira Akazawa

IPC: B41J29/393 ,  B41J11/00 ,  B41J2/21 ,  B41J2/045

CPC classification number: B41J29/393 ,  B41J2/04558 ,  B41J2/04581 ,  B41J2/0459 ,  B41J2/2142 ,  B41J2/2146 ,  B41J11/002 ,  B41J2029/3935

Abstract: A method for setting a voltage applied to a head in an ink jet printer including the head that discharges ink according to an applied voltage includes a step of forming a test pattern on a medium by the ink discharged from the head, a step of measuring a film thickness of the test pattern, and a step of setting a voltage to be applied to the head based on the measured film thickness.

公开(公告)号：US08888219B2

公开(公告)日：2014-11-18

申请号：US14228664

申请日：2014-03-28

Applicant: Seiko Epson Corporation

Inventor： Kazuyoshi Tanase ,  Tsuneo Kasai ,  Toru Takahashi ,  Masahiro Fukazawa

IPC: B41J2/12

CPC classification number: B41J2/12 ,  B41J2/2132 ,  B41J2/2146

Abstract: There is provided a method of acquiring a correction value of a liquid discharging apparatus that includes a first nozzle row, a second nozzle row, a third nozzle row, and a fourth nozzle row, the method includes: acquiring the amount of deviation (heterogeneous row error) of a dot formed by the third nozzle row in the predetermined direction, acquiring the amount of deviation (overlapping area error) between the dot formed by the third nozzle row and a dot formed by the fourth nozzle row in the predetermined direction, and acquiring a correction value which causes discharge data assigned to the fourth nozzle row to shift in the predetermined direction based on the heterogeneous row error and the overlapping area error.

Abstract translation: 提供了一种获取包括第一喷嘴列，第二喷嘴列，第三喷嘴列和第四喷嘴列的液体排出装置的校正值的方法，所述方法包括：获取偏差量（异种行 误差），获取由第三喷嘴列在预定方向上形成的点与第四喷嘴列在预定方向上形成的点之间的偏差量（重叠面积误差）和由第三喷嘴列形成的点之间的偏移量（重叠面积误差），以及 基于异种行错误和重叠区域误差，获取使分配给第四喷嘴行的排出数据在预定方向上移位的校正值。

公开(公告)号：US20130257945A1

公开(公告)日：2013-10-03

申请号：US13851628

申请日：2013-03-27

Applicant: SEIKO EPSON CORPORATION

Inventor： Osamu Shinkawa ,  Kenji Otokita ,  Masahiko Yoshida ,  Tsuneo Kasai ,  Toshiyuki Suzuki

IPC: B41J2/045

CPC classification number: B41J2/04541 ,  B41J2/0451 ,  B41J2/04581 ,  B41J2/04588 ,  B41J2/04595 ,  B41J2/04596 ,  B41J2202/20 ,  B41J2202/21

Abstract: A liquid discharge apparatus which causes a liquid to be discharged through a first nozzle by applying a driving signal to a first driving element, and causes a liquid to be discharged through a second nozzle by applying the driving signal to a second driving element, and which, with respect to the first nozzle, determines on the basis of an image formed by causing the liquid to be discharged through the first nozzle whether or not the first nozzle causes a liquid discharge failure, and, with respect to the second nozzle, determines on the basis of a detection signal which is obtained by applying the driving signal to the second driving element whether or not the second nozzle corresponding to the second driving element causes a liquid discharge failure.

Abstract translation: 一种液体排出装置，其通过向第一驱动元件施加驱动信号而使液体通过第一喷嘴排出，并且通过将驱动信号施加到第二驱动元件而使液体通过第二喷嘴排出，并且其中 相对于第一喷嘴，基于通过使第一喷嘴导致液体排出不良而使液体排出的图像来确定，并且相对于第二喷嘴确定为 通过将驱动信号施加到第二驱动元件而获得的检测信号的基础是否与第二驱动元件相对应的第二喷嘴是否导致液体排出故障。