Of Ejector Patents (Class 347/9)
  • Patent number: 11518163
    Abstract: A liquid ejecting apparatus includes a printing portion and a control portion. The printing portion executes a printing operation including ejecting a liquid from a nozzle onto a medium. The control portion executes an initial operation upon supply of power and executes the printing operation in accordance with a print instruction. The initial operation and the printing operation include a common printing operation that is common to the initial operation and the printing operation. When the control portion does not receive the print instruction during execution of the initial operation, the control portion executes the initial operation including the common printing operation. When the control portion receives the print instruction during execution of the initial operation, the control portion omits the common printing operation from the initial operation.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: December 6, 2022
    Assignee: Seiko Epson Corporation
    Inventors: Yasuaki Hirai, Yasuo Sunaga
  • Patent number: 11514256
    Abstract: To obtain a printing inspection device that an optimum binarization threshold value in the printing inspection device that captures an image including a two-dimensional code printed by a general-purpose printer such as an ink jet printer, as a multi-level image, creates a binary image from the multi-level image with a predetermined binarization threshold value, and then performs decoding. Before a practical printing inspection is performed, a read test is performed. The read test is performed on one or more inspection samples by binarizing a multi-level image with brightness values for all gradations as a threshold value. A range (maximum value and minimum value) of readable brightness values is obtained, and then a median value between the minimum value and the maximum value is used as a binarization threshold value for a two-dimensional code image in a practical printing inspection.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: November 29, 2022
    Assignee: Hitachi Industrial Equipment Systems Co., Ltd.
    Inventors: Takashi Sato, Muneaki Watanabe, Hiroko Kurihara
  • Patent number: 11511537
    Abstract: An inkjet image forming apparatus includes: an image former that forms an image on a transfer body by discharging an ink droplet from an inkjet head; and a hardware processor that detects a landing state of the ink droplet that has been discharged and landed on the transfer body and changes an image forming condition when the image is formed so that a detected landing state approaches a target landing state.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: November 29, 2022
    Assignee: KONICA MINOLTA, INC.
    Inventor: Mitsuo Kaburagi
  • Patent number: 11485133
    Abstract: An integrated circuit to drive a plurality of fluid actuation devices includes a fire line, a plurality of memory elements, a first switch, and a plurality of second switches. The first switch is electrically coupled between the fire line and a first side of each memory element of the plurality of memory elements. Each second switch is electrically coupled to a second side of a respective memory element of the plurality of memory elements.
    Type: Grant
    Filed: April 19, 2019
    Date of Patent: November 1, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventor: Boon Bing Ng
  • Patent number: 11470709
    Abstract: A medium transport device includes a transport section transporting a medium in a contact manner, an electrode detecting static electricity charged on the medium, and a static electricity detection circuit. The static electricity detection circuit includes a voltage clamp circuit clamping a detection signal input from the electrode to a predetermined voltage, an amplifier circuit amplifying an output signal of the voltage clamp circuit, a rectifier circuit rectifying an output signal of the amplifier circuit, and a comparator circuit serving as a determination circuit determining whether the medium exists based on an output signal of the rectifier circuit.
    Type: Grant
    Filed: August 26, 2020
    Date of Patent: October 11, 2022
    Assignee: Seiko Epson Corporation
    Inventors: Seiji Takamatsu, Yusuke Fukasawa
  • Patent number: 11453213
    Abstract: A driving method enables a liquid feeding apparatus using a driving element in the form of a membrane to feed a liquid at high liquid feeding accuracy. To this end, a voltage applied to the driving element is controlled in such a way as to repeat a first period in which the voltage is changed from a first voltage to a second voltage and a second period which is a longer period than the first period and in which the voltage is changed from the second voltage to the first voltage, and such that an inflection point is provided in each predetermined interval during the first period based on a Helmholtz vibration period unique to the liquid feeding apparatus.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: September 27, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Rei Kurashima, Akihisa Iio, Takahiro Akiyama, Toru Nakakubo, Noriyuki Kaifu
  • Patent number: 11445088
    Abstract: A method of processing a contone image for single-pass printing uses a printing system having first and second aligned printheads supplied with a same ink. The method includes the steps of: providing the contone image at a first resolution in a printing direction; dithering the contone image using a combined dither pattern to provide a full halftone image at the first resolution; dividing the full halftone image into first and second halftone images at a second resolution in the printing direction, the second resolution being less than the first resolution; and sending the first and second halftone images to respective first and second printheads for printing. The combined dither pattern is a combination of a first dither pattern for the first printhead and a second dither pattern for the second printhead, the first dither pattern being different than the second dither pattern.
    Type: Grant
    Filed: March 19, 2021
    Date of Patent: September 13, 2022
    Inventors: Rodney Hardy, James Lawrence
  • Patent number: 11433664
    Abstract: In some examples, a fluid dispensing device component includes an input to receive a control signal from the fluid dispensing system, the control signal for activating the fluidic actuators of the fluid dispensing device during a fluidic operation mode. The fluid dispensing device component includes a nonvolatile memory, and a controller to, during a memory write mode, write a first portion of the nonvolatile memory to a first programmed level responsive to the control signal being activated for a first time duration, and write a second portion of the nonvolatile memory to a second programmed level responsive to the control signal being activated for a second time duration different from the first time duration, the second programmed level being different from the first programmed level.
    Type: Grant
    Filed: February 6, 2019
    Date of Patent: September 6, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: James Michael Gardner, Berkeley Fisher, Scott A. Linn
  • Patent number: 11426998
    Abstract: A liquid ejection head unit includes a first energy generating element that generates energy that applies pressure to a liquid in the first pressure chamber; a second energy generating element that generates energy that applies pressure to a liquid in the second pressure chamber; a nozzle flow path which communicates the first pressure chamber and the second pressure chamber and in which a nozzle that ejects a liquid is provided; a drive circuit that drives the first energy generating element and the second energy generating element by applying a drive pulse; a detection circuit that detects a parameter related to a physical property of a liquid in the second pressure chamber; wherein a controller drives the first energy generating element by the drive circuit, and performs a first detection operation of detecting the parameter in the second pressure chamber by the detection circuit.
    Type: Grant
    Filed: April 21, 2021
    Date of Patent: August 30, 2022
    Assignee: Seiko Epson Corporation
    Inventor: Toshiro Murayama
  • Patent number: 11396181
    Abstract: A liquid ejecting system includes: a transport portion that transports a medium in a transport direction in a state in which the medium is supported on a medium supporting surface; a liquid ejecting portion that performs printing by moving in a scanning direction and ejecting a liquid from a nozzle with respect to the medium supported on the medium supporting surface; a designation portion for an operator to designate a designation range within a scanning area, the scanning area being configured to face the liquid ejecting portion that moves in the scanning direction and to include the medium and the medium supporting surface; and a control portion that sets a flushing area based on the designated designation range and performs a flushing operation of ejecting the liquid from the nozzle to the flushing area as a maintenance operation of the liquid ejecting portion.
    Type: Grant
    Filed: October 28, 2020
    Date of Patent: July 26, 2022
    Assignee: Seiko Epson Corporation
    Inventors: Goki Hiramoto, Saeko Maruyama
  • Patent number: 11383512
    Abstract: An inkjet recording device includes a nozzle, a pressure generator and a driver. The nozzle ejects ink. The pressure generator changes pressure on ink in an ink flow path that communicates with the nozzle by a predetermined drive operation. The driver makes the pressure generator perform the drive operation predetermined limes of at least twice at time points on a predetermined cycle, and makes the nozzle eject an ink droplet of an amount corresponding to a number of drive operations included in a set of drive operations. In a case in which the number of drive operations is two, the driver makes the pressure generator perform the drive operation twice with an interval twice as long as the cycle.
    Type: Grant
    Filed: June 12, 2018
    Date of Patent: July 12, 2022
    Assignee: KONICA MINOLTA, INC.
    Inventor: Masanori Shimazoe
  • Patent number: 11376843
    Abstract: In a method of nozzle failure detection in an ink jet printer having a plurality of ejection units including a nozzle and an associated liquid chamber with an electromechanical transducer, nozzle failure detection is performed, for each ejection unit, with a given minimum detection frequency. Each nozzle failure detection includes energizing the transducer with a waveform that does not lead to the ejection of a droplet but creates a pressure fluctuation that is sensitive to whether or not the ejection unit is in a malfunction state; measuring the pressure fluctuation in order to detect the malfunction state; defining a mask pattern that is independent of image contents to be printed; and when an image is being printed, performing the nozzle failure detection steps for each ejection unit at timings at which the respective nozzles are in pixel positions that belong to the mask pattern.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: July 5, 2022
    Assignee: CANON PRODUCTION PRINTING HOLDING B.V.
    Inventors: Amol A. Khalate, Koen Joan Klein Koerkamp
  • Patent number: 11358393
    Abstract: A liquid ejection apparatus includes a liquid container for containing liquid which has a refilling port for refilling the liquid container with liquid, a contained liquid information memory unit for storing information on the liquid contained in the liquid container, a refilling liquid information memory unit for storing information on the liquid to be supplied for refilling the liquid container, a liquid ejection head for ejecting the liquid supplied from the liquid container and a control unit for controlling operation of the liquid ejection apparatus according to the information stored in the contained liquid information memory unit and the information stored in the refilling liquid information memory unit.
    Type: Grant
    Filed: August 7, 2020
    Date of Patent: June 14, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yuji Tamaru, Kazumasa Matsushita, Chiaki Muraoka
  • Patent number: 11351787
    Abstract: A curved fluid ejection device may include a plurality of fluid ejection dies overmolded with at least one layer of epoxy mold compound (EMC). Each of the fluid ejection dies and the EMC include a coefficient of thermal expansion (CTE). The combination of the CTE of the fluid ejection dies and the CTE of the at least one layer of EMC defines a curve within the curved fluid ejection device.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: June 7, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Chien-Hua Chen, Michael W. Cumbie, Si-Iam J. Choy
  • Patent number: 11351775
    Abstract: An integrated circuit to drive a plurality of fluid actuation devices includes a plurality of first memory cells, a plurality of first storage elements, and control logic. Each first memory cell stores a customization bit. Each first storage element is coupled to a corresponding first memory cell. The control logic, in response to a reset signal, reads the customization bit stored in each first memory cell and latches each customization bit in a corresponding first storage element.
    Type: Grant
    Filed: February 6, 2019
    Date of Patent: June 7, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Scott A. Linn, James Michael Gardner, Michael W. Cumbie
  • Patent number: 11351789
    Abstract: A fluid ejection device includes a number of primitives, each receiving a same set of addresses and including a number of ejection chambers, each corresponding to a different address of the set of addresses and including a drive bubble formation mechanism and a drive bubble detect (DBD) mechanism. Input logic receives nozzle column data groups (NCG), each NCG including fire pulse groups (FPG), each FPG including DBD data having an enable value or disable value, and ejection data bits, each ejection data bit corresponding to a different one of the primitives. For each FPG of each NCG, activation logic identifies the FPG as a DBD FPG when the DBD data has the enable value and activates in each primitive the drive bubble formation mechanism and the DBD mechanism identified by the DBD FPG to perform a DBD measurement.
    Type: Grant
    Filed: August 7, 2020
    Date of Patent: June 7, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Daryl E Anderson, Eric Martin, James Gardner
  • Patent number: 11338589
    Abstract: [Problem] To provide a droplet ejection device and a droplet ejection method with which a liquid material can be continuously delivered to an ejection head when the liquid material is delivered between arbitrary tanks.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: May 24, 2022
    Assignee: MUSASHI ENGINEERING, INC.
    Inventor: Kazumasa Ikushima
  • Patent number: 11331935
    Abstract: A liquid discharge apparatus includes a liquid discharge head, an irradiator, a carriage, and a conveyance controller. The liquid discharge head discharges liquid to a recording medium to form a liquid application surface. The irradiator emits active energy rays toward the liquid application surface. The carriage is mounted with the liquid discharge head and the irradiator. The conveyance controller conveys the carriage. The irradiator includes a first irradiator that is provided on one side surface of the carriage in a direction in which the carriage is conveyed and a second irradiator that is provided on another side surface of the carriage in the direction in which the carriage is conveyed. A position of the first irradiator and a position of the second irradiator in a direction perpendicular to the direction in which the carriage is conveyed, on irradiation of the active energy rays, are different from each other.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: May 17, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventors: Atsushi Hada, Daisuke Mezaki
  • Patent number: 11325383
    Abstract: A liquid ejecting apparatus includes a liquid ejecting portion that ejects a liquid, a belt-shaped member absorbs the liquid, a feeding portion that retains the belt-shaped member in a rolled state, a pressing portion presses a contact portion of a portion of the belt-shaped member wound off from the feeding portion and bring the contact portion into contact with the liquid ejecting portion, the contact portion being located in a contact area, a winding portion moves the contact portion in a moving direction by winding up the belt-shaped member, and a control portion that, when it is assumed that a contact length is a length of the contact portion along the direction of movement, causes the winding portion to wind up the belt-shaped member corresponding to a length longer than the contact length after bringing the contact portion into contact with the liquid ejecting portion.
    Type: Grant
    Filed: October 6, 2020
    Date of Patent: May 10, 2022
    Assignee: Seiko Epson Corporation
    Inventors: Yuji Kanazawa, Naoki Yokoyama, Masanobu Yamaguchi, Hitotoshi Kimura
  • Patent number: 11328925
    Abstract: An upper surface of a substrate is supplied with a pre-drying processing liquid which is a solution of a sublimable substance and a solvent. Thereafter, the solvent is evaporated from the pre-drying processing liquid on the substrate and a solid of the sublimable substance is precipitated in the pre-drying processing liquid on the substrate. Thereafter, at least a portion of the solid of the sublimable substance is dissolved in the pre-drying processing liquid on the substrate. Thereafter, the solvent is evaporated from the pre-drying processing liquid in which the solid of the sublimable substance has been dissolved and the solid of the sublimable substance is precipitated onto the substrate. Thereafter, the solid of the sublimable substance is sublimated and removed from the upper surface of the substrate.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: May 10, 2022
    Inventors: Yuta Sasaki, Hiroaki Takahashi, Masayuki Otsuji
  • Patent number: 11280806
    Abstract: Means and methods for dispensing small amounts of liquid from multi-channel microdispensing devices, suitable for use in automatic processing in biological assays and for the cultivation of cells and tissues, by means of optical control of the dosed liquid by specific light barrier units.
    Type: Grant
    Filed: August 10, 2017
    Date of Patent: March 22, 2022
    Assignee: FRAUNHOFER-GESELLSCHAFT ZUR FĂ–RDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
    Inventors: Michael Klinger, Christopher Laske
  • Patent number: 11278882
    Abstract: In an example implementation, a method of dispensing fluid from a fluid dispensing device, includes receiving a dispense head at a receiving station, and receiving a notification that a supply slot in the dispense head has been filled with fluid. The method includes vibrating the dispense head to move fluid through a microfluidic channel from the supply slot into an ejection chamber of the dispense head, and providing a dispense signal to cause an ejection mechanism disposed within the chamber to eject an amount of the fluid from the dispense head.
    Type: Grant
    Filed: July 27, 2016
    Date of Patent: March 22, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventor: Michael J Day
  • Patent number: 11267268
    Abstract: A printing apparatus includes: a head portion that discharges droplets toward a printing medium while reciprocating on the printing medium; and a controller that controls movement of the head portion during a printing operation such that a movement stop time of the head portion when a movement direction of the head portion is reversed at an endmost portion of a range in which the head portion moves is longer than the movement stop time of the head portion when the movement direction of the head portion is reversed on the printing medium.
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: March 8, 2022
    Inventors: Takuya Ota, Eiichi Ohara
  • Patent number: 11249434
    Abstract: In an image forming apparatus including an optical print head, a length of a cable from a regulating portion to a connecting portion in a state where the connecting portion is connected to a connector is set to a length that enables the connector to be located on a front side of an opening when the optical print head moves to a pull-out position in the state where the connecting portion is connected to the connector.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: February 15, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yuya Tamura, Hitoshi Iwai, Takehiro Ishidate, Shinichiro Hosoi, Toshiki Momoka, Daisuke Aruga
  • Patent number: 11239422
    Abstract: Disclosed is a process whereby diverse classes of materials can be 3D printed and fully integrated into device components with active properties. An exemplary embodiment shows the seamless interweaving of five different materials, including (1) emissive semiconducting inorganic nanoparticles, (2) an elastomeric matrix, (3) organic polymers as charge transport layers, (4) solid and liquid metal leads, and (5) a UV-adhesive transparent substrate layer, demonstrating the integrated functionality of these materials. Further disclosed is a device for printing these fully integrated 3D devices.
    Type: Grant
    Filed: February 5, 2018
    Date of Patent: February 1, 2022
    Assignee: TRUSTEES OF PRINCETON UNIVERSITY
    Inventors: Michael C. McAlpine, Yong Lin Kong
  • Patent number: 11225085
    Abstract: A control device is configured to: control a main scanning device and a sub-scanning device to print partial images by single partial printing in a first case where a specific condition is not satisfied, the specific condition indicating that ink supply to a printing head may be delayed in a partial printing and determined for each of the partial image, control the main scanning device and the sub-scanning device to print the partial images by a plurality of partial printings including a first partial printing and a second partial printing in a second case where the specific condition is satisfied, and determine a first area of the partial image to be printed by the first partial printing and a second area of the partial image to be printed by the second partial printing by using a pixel value information, in the second case.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: January 18, 2022
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Masashi Kuno, Shota Morikawa, Satoru Arakane, Shin Hasegawa, Yoshiharu Furuhata
  • Patent number: 11214056
    Abstract: A driver circuit for receiving a voltage supply at a supply input and driving a load through a load output, the circuit comprising: a charge inductor and a discharge inductor; a switching array comprising a plurality of switches; and a load switch coupled between a first terminal of the charge inductor and the load output; the switching array being arranged so that: in a first mode it can couple a second terminal of the charge inductor to the supply input and the first terminal of the charge inductor to ground to load a flux on the charge inductor; in a second mode it can decouple the first terminal of the charge inductor from ground so that, when the load switch is closed, flux can flow from the inductor to the load output; and in a third mode it can couple the discharge inductor between the load output and ground so that flux can be loaded on the discharge inductor from the load output.
    Type: Grant
    Filed: July 20, 2018
    Date of Patent: January 4, 2022
    Assignee: Fen Technology Limited
    Inventor: Kevin Lamb
  • Patent number: 11216708
    Abstract: An information processing apparatus includes a presentation unit, a receiver, a storage, and a controller. The presentation unit is configured to present at least one piece of information on image quality for each of plural models of image forming apparatuses. The receiver is configured to receive a setting value related to image quality from the information on the image quality presented by the presentation unit. The storage is configured to store the setting value related to the image quality received by the receiver for each of the models of the image forming apparatuses. The controller is configured to control the image forming apparatus of a corresponding model according to the setting value related to the image quality stored by the storage.
    Type: Grant
    Filed: January 27, 2020
    Date of Patent: January 4, 2022
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Masayuki Iwasawa, Shingo Kato, Sawako Umeda
  • Patent number: 11207883
    Abstract: A liquid jet device includes a head that discharges liquid to an object; a moving mechanism that moves at least one of the object and the head; and a controller that causes the head to discharge the liquid while moving the at least one of the object and the head in a first direction to form a first row of dots, and causes the head to discharge the liquid while moving the at least one of the object and the head in a second direction opposite the first direction to form a second row of dots that overlaps the first row of dots. The controller causes the center of the first dot in the second row of dots to be shifted from the center of the last dot in the first row of dots by a distance greater than or equal to a distance d.
    Type: Grant
    Filed: July 17, 2019
    Date of Patent: December 28, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Tadashi Kaiba, Shuusei Murai
  • Patent number: 11207886
    Abstract: A print head includes ejecting portions ejecting liquid by being supplied with a high voltage signal, a switch group switching between whether or not to supply the high voltage signal to the first ejecting portion group in accordance with a low voltage logic signal, a memory, a high voltage signal input terminal, and a low voltage logic signal input terminal, the print head having a first mode in which the print head executes reading processing of reading information stored in the memory and does not execute ejection control processing of controlling whether or not to supply the high voltage signal to the first ejecting portion group by switching the switch group in accordance with an input signal input from the low voltage logic signal input terminal and a second mode in which the print head does not execute the reading processing and executes the ejection control processing.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: December 28, 2021
    Inventors: Eiji Takagi, Masanori Koizumi, Shunya Komatsu, Shuichi Nakano, Masashi Kamiyanagi, Toru Matsuyama
  • Patent number: 11179931
    Abstract: A liquid ejecting apparatus according to an aspect of the present disclosure has a nozzle configured to eject a liquid, a pressure chamber communicating with the nozzle, a piezoelectric element that varying pressure in the pressure chamber, an endless transport belt transporting a medium, an electrifying section electrifying the transport belt, and a driving circuit that supplying, to the piezoelectric element, a micro-vibration pulse that generates micro-vibration in the liquid in the pressure chamber without causing the liquid to be ejected from the nozzle. The micro-vibration pulse is varied according to first data related to the state of a meniscus in the nozzle in a first state in which the nozzle and the transport belt electrified by the electrifying section face each other.
    Type: Grant
    Filed: April 21, 2020
    Date of Patent: November 23, 2021
    Assignee: Seiko Epson Corporation
    Inventors: Kei Yamaguchi, Daisuke Matsumoto
  • Patent number: 11167559
    Abstract: An inkjet recording apparatus includes a recording head, an ink tank, a supply flow path, a supply pump located in the supply flow path, a collection flow path, a relief flow path connecting a first position in the supply flow path to a second position in the supply flow path, wherein the first position is located at a downstream side of the supply pump in the supply flow path and the second position located at an upstream side of the supply pump in the supply flow path, and a differential pressure regulating valve located in the relief flow path and configured to, in a case where the pressure of the pumped ink in the supply flow path is larger than a predetermined value, open the relief flow path so as to allow ink in the supply flow path to flow from the first position to the second position.
    Type: Grant
    Filed: January 29, 2020
    Date of Patent: November 9, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kyoshiro Okude, Ryoma Arai, Toshiaki Tokisawa, Takashi Abe
  • Patent number: 11161350
    Abstract: A control device is configured to cause a print execution unit to print an image by repetitively executing: partial printing of causing a print head to eject ink while causing a main scanning unit to perform the main scanning; and conveying processing of causing a conveyor to perform a conveyance, and the control device is configured to execute: selection processing of selecting one of first processing and second processing for printing an Nth band area when the Nth band area includes a blank pixel line extending in a second direction; and execution processing of executing the one of the first processing and the second processing, and in the selection processing, the control device is configured to: select the second processing when a total count condition is satisfied; and select the first processing when the total count condition is not satisfied.
    Type: Grant
    Filed: March 2, 2020
    Date of Patent: November 2, 2021
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Tsuyoshi Ito, Yasuo Ono, Satoru Arakane
  • Patent number: 11141992
    Abstract: Provided is an inkjet printing apparatus including: a print head configured to eject a metallic ink containing silver particles; a carriage configured to scan the print head; and a control unit configured to print a metallic image by causing the print head to eject the metallic ink while scanning the print head; a reduction unit configured to control ink ejection from the print head so as to reduce coloring of a metallic dot formed by ejecting the metallic ink; and a setting unit capable of setting a plurality of printing modes including a first printing mode in which the reduction unit controls the ink ejection from the print head to reduce the coloring to a first degree, and a second printing mode in which the reduction unit controls the ink ejection from the print head to reduce the coloring to a second degree lower than the first degree.
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: October 12, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tsukasa Doi, Hiromitsu Yamaguchi, Akitoshi Yamada
  • Patent number: 11110730
    Abstract: An inkjet printer apparatus includes a printing head including a plurality of nozzles for printing an ink in a plurality of pixels arranged as a matrix type in a target substrate, a control circuit which moves the printing head in an x-direction crossing an y-direction of a scan direction, and determines an optimal position for using largest nozzles, and a driving part which moves the printing head to the optimal position and moves the printing head along the y-direction in the optimal position.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: September 7, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dongsul Kim, Honggi Min, Minsoo Kim
  • Patent number: 11108029
    Abstract: A method of manufacturing an organic electroluminescence display panel including: preparing a substrate; forming pixel electrodes arranged in a matrix above the substrate; forming parallel column banks above the substrate in spaces between the pixel electrodes in a row direction; forming functional layers including organic light emitting layers in gaps between the column banks, including causing relative motion in the row direction between the substrate and a head provided with nozzles arranged along a column direction while ejecting ink from selected nozzles among the nozzles to supply a set of the gaps with an ink including an organic material; and forming a counter electrode above the functional layers. Among the set of the gaps, nozzle patterns of the selected nozzles for a gap differ between a first gap and a second gap in a sequence in the row direction of the set.
    Type: Grant
    Filed: November 11, 2019
    Date of Patent: August 31, 2021
    Assignee: JOLED INC.
    Inventors: Yoshiaki Kondo, Toshiki Nishikiori
  • Patent number: 11104163
    Abstract: A printing apparatus includes: a head having a discharge surface in which a discharge port is opened, a pressure chamber which communicates with the discharge port, and an actuator which is configured to change a volume of the pressure chamber; a carriage configured to move the head in a scanning direction; a conveyor configured to move an object in a conveyance direction crossing the scanning direction; a posture changing mechanism configured to change a facing posture of the head with respect to the object; and a controller configured to control the actuator, the carriage, the conveyor and the posture changing mechanism, based on image data, to execute alternately and repeatedly a scanning operation and a conveying operation.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: August 31, 2021
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Kazunari Matsuura
  • Patent number: 11077659
    Abstract: A liquid ejecting apparatus includes a liquid discharging head having a first nozzle and a first piezoelectric element, a first driving signal generating circuit, a substrate on which the first driving signal generating circuit is provided, a first wire, and a first coil, in which the first driving signal generating circuit generates a first driving signal, the first piezoelectric element is driven based on the first driving signal to discharge liquid from the first nozzle, and the first wire is electrically coupled to the first driving signal generating circuit and propagates the first driving signal to the first piezoelectric element through the first coil.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: August 3, 2021
    Inventors: Tom Kashimura, Yuki Watanabe
  • Patent number: 11072170
    Abstract: A liquid discharge apparatus includes a recording head configured to discharge a liquid to form a pattern on a recording medium and a reading device configured to read the pattern. The apparatus further includes circuitry configured to form at least two first markers while moving the recording head relative to the recording medium in a head movement direction; form a second marker at one of positions of the at least two first markers, to form a pattern including a reference marker formed with one of the at least two first markers and a measurement marker in which the second marker is overlaid on another of the at least two first markers; and measure a distance between the reference marker and the measurement marker in the head movement direction based on information obtained by the reading device.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: July 27, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Nobuyuki Satoh, Kentaro Uehara
  • Patent number: 11046071
    Abstract: In one example in accordance with the present disclosure, a fluid ejection die is described. The die includes a number of actuator sensors disposed on the fluid ejection die to sense a characteristic of a corresponding actuator. Each actuator sensor is coupled to a respective actuator and multiple coupled actuator sensors and actuators are grouped as primitives on the fluid ejection die. The die also includes an actuator evaluation die per primitive to evaluate an actuator characteristic of any actuator within the primitive. The die also includes a number of disable devices. Each disable device 1) is coupled to a respective actuator of the number of actuators and 2) disables a corresponding actuator when the corresponding actuator is determined to be malfunctioning.
    Type: Grant
    Filed: April 5, 2017
    Date of Patent: June 29, 2021
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Eric Martin, Daryl E Anderson, James Michael Gardner
  • Patent number: 11025786
    Abstract: An image forming apparatus includes: a casing including a first side surface, and a second side surface opposing the first side surface in the first direction, and an NFC board and a USB board that are disposed in the casing. The NFC board has a first board surface. The USB board has a second board surface on which a USB port is mounted. The NFC board and The USB board that are disposed in the casing at a position closer to the first side surface in the first direction than the second side surface. The second board surface is located at a level different from the first board surface in the direction normal to the first board surface. The USB board does not overlap with the NFC board when viewed in the direction normal to the first board surface.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: June 1, 2021
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Hiroyuki Shingai, Yuji Takimoto
  • Patent number: 11014388
    Abstract: A test pattern formation method includes preparing a first pattern including a plurality of dot rows that are separated, and a second pattern including a plurality of regions having a width greater than a width of the plurality of dot rows and provided spaced apart by a plurality of gaps greater than or equal to the width of the plurality of dot rows. At least a portion of the first pattern and at least a portion of the second pattern are in positions overlapping each other. Given a largest overlap between one of the plurality of dot rows and one of the plurality of gaps as a reference, the other dot rows of the plurality of dot rows and the plurality of regions having a wide width overlap and are deviated from each other incrementally by a respective distance corresponding to a landing deviation amount.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: May 25, 2021
    Assignee: Seiko Epson Corporation
    Inventor: Eishin Yoshikawa
  • Patent number: 10978327
    Abstract: A micro-structure transfer system may include a printhead and a pressure control device to control a pressure of fluid coupled with the printhead. The pressure control device forms a meniscus of fluid at a number of nozzles defined within the printhead to pick up a number of micro-structures. A printhead for transferring micro-structures includes a number of fluid chambers, a number of nozzles defined in an orifice plate through which fluid may exit the chambers, and a pressure control device to control a pressure of fluid within each of the chambers. The pressure control device forms a meniscus of the fluid at a number of nozzles defined within the printhead to pick up a number of micro-structures.
    Type: Grant
    Filed: October 10, 2016
    Date of Patent: April 13, 2021
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Ning Ge, Ya-Ling Chang, Helen A. Holder
  • Patent number: 10946659
    Abstract: A printing apparatus comprises a printhead and a controller. The printhead includes dies, each die comprising rows of nozzles, wherein, in an overlapping region, the rows of nozzles of two dies overlap in a first direction, in which a relative movement between the printhead and a print medium takes place during operation of the printing apparatus. The controller is to apply a first weaving mask to a first row of nozzles of a first die and a second weaving mask to a second row of nozzles of the first die, the second weaving mask being different from the first weaving mask, the weaving masks defining, independent of print data, which of the nozzles of the corresponding row are to be used for printing in the overlapping region.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: March 16, 2021
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Leticia Rubio, Utpal Sarkar, Xavier Quintero Ruiz
  • Patent number: 10933647
    Abstract: An inkjet recording apparatus includes: a tank having an ink chamber and formed with an inlet; a recording head; a display configured to display a screen; and a controller configured to control the recording head and the display. The tank has an outer wall. At least a portion of the outer wall allows the ink stored in the ink chamber to be visible from an outside. The recording head is configured to eject the ink stored in the ink chamber to record an image on a sheet. The controller is further configured to periodically execute a first notification process to control the display to display a first notification screen when the quantity of ink stored in the ink chamber is not less than a residual ink threshold. The first notification screen prompts a user to check the quantity of ink stored in the ink chamber.
    Type: Grant
    Filed: January 19, 2018
    Date of Patent: March 2, 2021
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Kenta Horade
  • Patent number: 10926535
    Abstract: A fluidic die may include a fluid actuator comprising an electrical resistor, a power node to supply electrical current to the resistor to drive the fluid actuator, a low side switch transistor connected to a ground node and having a gate to control the flow of electrical current through the resistor, a voltage regulator to receive electrical power from the power node and to output a predetermined voltage and a level shifter to control to output a low side switch transistor gate drive voltage using the predetermined voltage and based upon control signals to control the gate to control fluid displacement by the fluid actuator. The predetermined voltage is greater than a voltage of the control signals and is independent of a resistance of the ground node.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: February 23, 2021
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Scott A Linn, Vincent C Korthuis, James M Gardner
  • Patent number: 10919292
    Abstract: An ejection apparatus includes: a feeding unit that feeds a recording medium; a first ejection unit that ejects droplets onto the recording medium to form plural detection images along a feeding direction of the recording medium, a detection unit that detects a distance from a predetermined origin of the recording medium to each of the detection images along the feeding direction; and a second ejection unit that is disposed on a downstream side relative to the first ejection unit in the feeding direction of the recording medium, and ejects droplets onto the recording medium at a timing based on a value obtained by adding an average value of differences between detection values of the detection unit and setting values to a setting value of the detection image on most downstream side in the feeding direction.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: February 16, 2021
    Assignee: Fuji Xerox Co., Ltd.
    Inventor: Yoshiyuki Taguchi
  • Patent number: 10924630
    Abstract: A method is provided of digitally imaging a secure portion and a non-secure portion of scratch-off-coating protected documents of at least one game using middleware. The method includes: (a) generating the secure variable indicia in non-vector raster format; (b) generating vector graphics to be imaged on physical document locations; (c) assigning the secure variable indicia in a non-vector raster format to documents in and shuffling the documents throughout a print run; and (d) linking via middleware the secure variable indicia in the non-vector raster format to associated vector graphics variable indicia to be digitally imaged on the documents and to generate vector graphics-formatted data for each document in the print run. The secure variable indicia assignment and shuffling are executed by non-vector raster game generation software output that is reinterpreted by the middleware to produce related vector graphic output for the secure variable indicia.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: February 16, 2021
    Assignee: Hydragraphix
    Inventor: Fred W. Finnerty
  • Patent number: 10913266
    Abstract: A printing apparatus that performs printing by using a print head includes a first power supply, a second power supply, and a control unit. The first power supply supplies a first voltage to the print head through a first supply line. The second power supply supplies a second voltage to the print head through a second supply line. The control unit supplies the first voltage from the first power supply without supplying a voltage from the second power supply at the time of an inspection of the print head, and executes a process action concerning a current leakage when a voltage exceeding a predetermined first threshold is generated on the second supply line.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: February 9, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kohei Ogi, Hisao Okita
  • Patent number: 10902800
    Abstract: Controlling privacy on a display includes a light-emitting diode (LED) pixel rotatably coupled to a microelectromechanical system (MEMS) and a controller to control the MEMS, the MEMS to rotate the LED pixel in response to a command issued by the controller to modify a viewing angle of the LED pixel such that the privacy on the display for that LED pixel is maintained.
    Type: Grant
    Filed: June 23, 2017
    Date of Patent: January 26, 2021
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Kuan-Ting Wu, Wei-Chung Chen, Xuan-Fang Shi