公开(公告)号：US12128672B2

公开(公告)日：2024-10-29

申请号：US17931798

申请日：2022-09-13

Applicant: SEIKO EPSON CORPORATION

Inventor： Yuya Yumoto ,  Junpei Yamashita ,  Osamu Murayama ,  Shinya Yamazaki ,  Nobuaki Kamiyama ,  Shigenori Nakagawa

IPC: B41J11/00

CPC classification number: B41J11/009

Abstract: A recording device includes a recording unit configured to perform recording by ejecting a liquid onto a medium configured to transmit an ultrasonic wave, a transport unit configured to transport the medium, an imaging unit configured to capture an image of the medium, an ultrasonic wave sensor including a transmission unit configured to transmit an ultrasonic wave to the medium and a reception unit configured to receive an ultrasonic wave transmitted by the transmission unit, and a control unit configured to control an operation of the recording unit, based on an imaging result from the imaging unit and a detection result from the ultrasonic wave sensor. The transmission unit and the reception unit are positioned sandwiching the medium.

公开(公告)号：US11958300B2

公开(公告)日：2024-04-16

申请号：US17812319

申请日：2022-07-13

Applicant: SEIKO EPSON CORPORATION

Inventor： Osamu Murayama ,  Shinya Yamazaki

IPC: B41J25/308 ,  B41J25/00

CPC classification number: B41J25/003

Abstract: A recording apparatus includes a carriage on which the recording head is mounted and in which a first measuring area and a second measuring area are provided, a platen disposed to face the recording head, a reference portion disposed on the platen at a position faceable by the recording head; a distance sensor provided on either of the carriage or the reference portion and configured to measure a distance between a measuring area and the reference portion, and a controller that determines an inclination of the carriage with respect to the platen based on a measurement result of the distance sensor, and controls execution of a predetermined process.

公开(公告)号：US11999164B2

公开(公告)日：2024-06-04

申请号：US17818645

申请日：2022-08-09

Applicant: SEIKO EPSON CORPORATION

Inventor： Shinya Yamazaki

IPC: B41J2/045 ,  B41J2/165 ,  B41J11/00

CPC classification number: B41J2/04556 ,  B41J2/16526 ,  B41J11/0095

Abstract: A recording device includes a recording head configured to discharge ink onto a recording medium to perform recording, a carriage mounted with the recording head, and configured to perform scanning, a liquid receiving portion disposed so as to face the recording head, so that the recording head discards the ink into the liquid receiving portion, a distance sensor configured to measure a position of a top portion in a vertical direction of a deposit formed by the ink deposited in the liquid receiving portion, and a control unit configured to determine, based on a result of the measurement by the distance sensor, whether the deposit in the liquid receiving portion needs to be removed.

公开(公告)号：US11802017B2

公开(公告)日：2023-10-31

申请号：US17106482

申请日：2020-11-30

Applicant: SEIKO EPSON CORPORATION

Inventor： Masayoshi Yamada ,  Hikaru Iwai ,  Shinya Yamazaki ,  Osamu Murayama

IPC: B65H7/12 ,  B65H7/06 ,  G01B17/00 ,  B65H3/06 ,  B65H5/36

CPC classification number: B65H7/06 ,  B65H3/06 ,  G01B17/00 ,  B65H5/36 ,  B65H2511/22 ,  B65H2511/522 ,  B65H2553/30 ,  B65H2553/82 ,  B65H2557/23

Abstract: An ultrasonic apparatus includes a first ultrasonic sensor that transmits an ultrasonic wave to an object and receives the ultrasonic wave reflected by the object, a second ultrasonic sensor that transmits an ultrasonic wave to the object and receives the ultrasonic wave reflected by the object, an determination circuit that outputs an error signal when the difference between a first distance between the first ultrasonic sensor and the object calculated based on ultrasonic wave transmission and reception processing using the first ultrasonic sensor and a second distance between the second ultrasonic sensor and the object calculated based on ultrasonic wave transmission and reception processing using the second ultrasonic sensor is equal to or greater than a threshold value.

公开(公告)号：US11919296B2

公开(公告)日：2024-03-05

申请号：US17528975

申请日：2021-11-17

Applicant: Seiko Epson Corporation

Inventor： Shinya Yamazaki ,  Tomohiro Yoda

IPC: B41J2/045 ,  B41J2/14 ,  B41J2/165 ,  B41J2/21 ,  B41J11/00

CPC classification number: B41J2/0451 ,  B41J2/04556 ,  B41J2/04581 ,  B41J2/14201 ,  B41J2/16517 ,  B41J2/16579 ,  B41J2/2139 ,  B41J2/2142 ,  B41J11/0095 ,  B41J2002/16573

Abstract: A printing apparatus includes a head including a plurality of nozzles configured to discharge liquid to a medium, an abnormal nozzle detection unit configured to detect an abnormal nozzle having a discharging defect among the plurality of nozzles, a contact detection unit configured to detect contact between the head and the medium, a suction unit configured to perform an ejection operation of ejecting the liquid from the plurality of nozzles, and a control unit. The control unit executes a suction operation when the abnormal nozzle is detected and the contact between the head and the medium is detected, and the control unit executes a printing of complementing the abnormal nozzle when the abnormal nozzle is detected and the contact between the head and the medium is not detected.

公开(公告)号：US11007803B2

公开(公告)日：2021-05-18

申请号：US16779891

申请日：2020-02-03

Applicant: SEIKO EPSON CORPORATION

Inventor： Shinya Yamazaki ,  Osamu Murayama

IPC: B41J11/00 ,  B41J25/34 ,  B41J11/06 ,  G01S15/10

Abstract: A printing apparatus including a platen unit including a platen surface on which a medium is disposed; a carriage including a print head and a sonic sensor, the carriage being configured to move; and a flat surface unit including a plurality of flat surfaces disposed such that distances between the sonic sensor and the plurality of flat surfaces are different from each other. The printing apparatus derives a relational expression from a surface-by-surface distance difference among the flat surfaces of the flat surface unit and a transmission/reception time to and from each surface, obtained based on a measurement by the sonic sensor, and determines, from the relational expression and the transmission/reception time measured at the medium, a distance to the medium.

公开(公告)号：US11789386B2

公开(公告)日：2023-10-17

申请号：US17820523

申请日：2022-08-17

Applicant: SEIKO EPSON CORPORATION

Inventor： Yuya Yumoto ,  Junpei Yamashita ,  Osamu Murayama ,  Shinya Yamazaki ,  Nobuaki Kamiyama ,  Shigenori Nakagawa

IPC: G03G15/16 ,  G03G15/01 ,  G03G21/16 ,  G03G21/06

CPC classification number: G03G15/168 ,  G03G15/0189 ,  G03G15/161 ,  G03G15/166 ,  G03G21/06 ,  G03G21/1695 ,  G03G2215/00637 ,  G03G2215/00666 ,  G03G2215/00776

Abstract: A recording device includes a recording unit configured to perform recording on a medium, a transporting belt configured to transport the medium, the transporting belt including a surface on which the medium is able to be supported, a washing unit configured to wash the surface using a liquid, an ultrasonic sensor configured to transmit an ultrasonic wave onto the surface and receive the ultrasonic wave reflected from the surface, and a control unit configured to determine a remaining state of the liquid on the surface based on a result of detection by the ultrasonic sensor, in which the ultrasonic sensor transmits the ultrasonic wave onto at least part of the transporting belt, from downstream of the washing unit to upstream of the recording unit, in a rotation direction of the transporting belt.

公开(公告)号：US11142007B2

公开(公告)日：2021-10-12

申请号：US16800690

申请日：2020-02-25

Applicant: SEIKO EPSON CORPORATION

Inventor： Osamu Murayama ,  Shinya Yamazaki

IPC: B41J25/308 ,  B41J11/00

Abstract: Provided is a printing apparatus including a platen portion including a platen surface on which a medium is disposed, and a carriage including a printing head and a distance sensor, the carriage being configured to move in a direction B on the platen surface. The printing apparatus further includes a control unit configured to move the carriage to measure, by using the distance sensor, a distance to the medium at each position to which the carriage moves, and to specify, based on information of the position and the distance, a position of an adjustment pattern printing range in which an adjustment pattern is printed on the medium.

公开(公告)号：US20200247160A1

公开(公告)日：2020-08-06

申请号：US16779891

申请日：2020-02-03

Applicant: SEIKO EPSON CORPORATION

Inventor： Shinya Yamazaki ,  Osamu Murayama

IPC: B41J25/34

Abstract: A printing apparatus including a platen unit including a platen surface on which a medium is disposed; a carriage including a print head and a sonic sensor, the carriage being configured to move; and a flat surface unit including a plurality of flat surfaces disposed such that distances between the sonic sensor and the plurality of flat surfaces are different from each other. The printing apparatus derives a relational expression from a surface-by-surface distance difference among the flat surfaces of the flat surface unit and a transmission/reception time to and from each surface, obtained based on a measurement by the sonic sensor, and determines, from the relational expression and the transmission/reception time measured at the medium, a distance to the medium.

公开(公告)号：US12168343B2

公开(公告)日：2024-12-17

申请号：US17823137

申请日：2022-08-30

Applicant: SEIKO EPSON CORPORATION

Inventor： Shinya Yamazaki

IPC: B41J11/00 ,  B41J2/12 ,  B41J13/10 ,  B65H5/06

Abstract: A recording device includes a recording head for performing recording on a recording medium, a transporter for transporting the recording medium, a platen for supporting the recording medium, a heater for heating the recording medium supported by the platen, and a control unit, wherein the control unit causes the heater to heat the recording medium at a predetermined and constant heating temperature, causes the recording head and the transporter to record a first test pattern of a predetermined recording density, and a second test pattern of a recording density different from the predetermined recording density on the recording medium, and the recording density of the first test pattern and the recording density of the second test pattern can be set in the heater, and are associated with heating temperature different from each other.