Array Of Ejectors Patents (Class 347/40)
  • Patent number: 11945225
    Abstract: A method is disclosed. The method comprises receiving a matrix representation of a source image to be printed, the matrix representation defining a colorant value for each of a plurality of print addressable locations, wherein the colorant values are representative of amounts of print colorant to be delivered to the print addressable locations during a printing operation. The method may comprise identifying, by processing circuitry, a region in the matrix representation having a first print addressable location and an adjacent second print addressable location, wherein a difference between colorant values of the first print addressable location and the second print addressable location meets or exceeds a defined colorant value threshold.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: April 2, 2024
    Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Sara Echevarria Benito, Ruben Recasens Oros, Alexandre Rodriguez Llofriu
  • Patent number: 11940340
    Abstract: An apparatus is described. The apparatus may include a substrate and one or more sensors mounted to the substrate. The one or more sensors may be mounted to the substrate using adhesive material and one or more spot welds.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: March 26, 2024
    Assignee: Hutchinson Technology Incorporated
    Inventors: Clark T. Olsen, Duane M. Jelkin
  • Patent number: 11884069
    Abstract: There is provided a liquid discharge apparatus including: a first shift register; a plurality of discharge sections configured to discharge droplets based on head control data; and a first wiring for transmitting the head control data to the first shift register, in which the apparatus is configured to be operated in a first print mode in which printing is performed with a first gradation number, and in a second print mode in which printing is performed with a second gradation number smaller than the first gradation number, based on the head control data, in the first print mode, a data size of the head control data is a sum of a first data size, a second data size, and a third data size, and in the second print mode, a data size of the head control data is a sum of the first data size and the second data size.
    Type: Grant
    Filed: March 24, 2022
    Date of Patent: January 30, 2024
    Assignee: Seiko Epson Corporation
    Inventor: Satoru Uematsu
  • Patent number: 11850859
    Abstract: A liquid ejecting head includes an ejection surface including head chips, and a first-positioning-portion and a second-positioning-portion disposed in a second-direction orthogonal to a first-direction with respect to the ejection surface and positioning a holding member, the liquid ejecting head has a first-edge and a second-edge separated from each other in the first-direction and extending along a third-direction parallel to the ejection surface and inclined with respect to the first-direction and the second-direction, and one end portion and the other end portion forming both end portions in the second-direction, and the first-positioning-portion does not overlap a virtual parallelogram having a first-virtual side contacting the first-edge and extending along the third-direction, a second-virtual side contacting the second-edge and extending along the third-direction, a third-virtual side contacting the one end portion and extending along the first-direction, and a fourth-virtual side contacting the other
    Type: Grant
    Filed: December 10, 2021
    Date of Patent: December 26, 2023
    Inventors: Hiroaki Okui, Eiichiro Watanabe, Shun Katsuie
  • Patent number: 11850854
    Abstract: A wafer structure is disclosed and includes a chip substrate and an inkjet chip. The chip substrate is a silicon substrate fabricated by a semiconductor process on a wafer of 12 inches. The inkjet chips are formed on the chip substrate by the semiconductor process and diced into the inkjet chip. The inkjet chip includes plural ink-drop generators generated by the semiconductor process on the chip substrate. Each of the plurality of ink-drop generators includes a nozzle. A diameter of the nozzle is in a range between 0.5 micrometers and 10 micrometers. A volume of an inkjet drop discharged from the nozzle is in a range between 1 femtoliter and 3 picoliters. The ink-drop generators form plural longitudinal axis array groups having a pitch and plural horizontal axis array groups having a central stepped pitch equal to or less than 1/600 inches.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: December 26, 2023
    Assignee: MICROJET TECHNOLOGY CO., LTD.
    Inventors: Hao-Jan Mou, Ying-Lun Chang, Hsien-Chung Tai, Yung-Lung Han, Chi-Feng Huang, Wei-Ming Lee
  • Patent number: 11813867
    Abstract: A liquid ejecting head includes a pressure compartment forming substrate, a piezoelectric actuator, a sealing plate, and a flexible wiring board. A pressure compartment is formed in the pressure compartment forming substrate. The piezoelectric actuator is disposed over the pressure compartment. The sealing plate has an opening going from a first surface, which is farther from the pressure compartment, to a second surface, which is closer to the pressure compartment. The sealing plate is configured to cover the piezoelectric actuator located in a first direction with respect to the opening. The flexible wiring board is inserted in the opening and is electrically coupled to the piezoelectric actuator. A first opening width of the opening at the first surface in the first direction is greater than a second opening width of the opening at the second surface in the first direction.
    Type: Grant
    Filed: January 4, 2022
    Date of Patent: November 14, 2023
    Assignee: Seiko Epson Corporation
    Inventor: Motoki Takabe
  • Patent number: 11772399
    Abstract: This document describes morphing objects that are created using hydrogels and techniques for creating and controlling the morphing objects. In one aspect, a method for creating a morphing object includes creating one or more heating elements on a substrate by applying one or more conductive traces onto at least one of a first surface of the substrate or a second surface of the substrate opposite the first surface and forming a hydrogel pattern on the first surface of the substrate by applying a hydrogel ink to the first surface of the substrate based on a predefined pattern.
    Type: Grant
    Filed: October 26, 2021
    Date of Patent: October 3, 2023
    Assignee: Accenture Global Solutions Limited
    Inventors: Mark Benjamin Greenspan, Lavinia Andreea Danielescu, Jack Forman, Aditi Maheshwari
  • Patent number: 11766866
    Abstract: An inkjet printing apparatus includes a print head including an inkjet head having a nozzle surface; nozzles disposed on the nozzle surface, that spray an ink from the nozzles; and a heater that heats a temperature of the inkjet head to a reference temperature. The nozzles include a first nozzle having a first diameter; and a second nozzle having a second diameter different from the first diameter of the first nozzle, the nozzle surface includes a first area in which the first nozzle is disposed and a second area in which the second nozzle is disposed, the first area has a first temperature in case that the heater heats the inkjet head to the reference temperature, and the second area has a second temperature different from the first temperature in case that the heater heats the inkjet head to the reference temperature.
    Type: Grant
    Filed: December 21, 2021
    Date of Patent: September 26, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jeong Won Han, Myung Soo Huh
  • Patent number: 11738571
    Abstract: a?b?0, p?1, q?1, where a is a number of pairs each consisting of two adjacent first head units, b is a number of pairs each consisting of two adjacent second head units, p is a number of first head units, and q is a number of second head units.
    Type: Grant
    Filed: December 13, 2021
    Date of Patent: August 29, 2023
    Inventors: Takahiro Kanegae, Nobuaki Ito, Hiroyuki Hagiwara
  • Patent number: 11733557
    Abstract: A light attenuator comprises a cell comprising a first substrate and a second substrate spaced apart from the first substrate. A layer between the substrates contains an electrophoretic ink, a surface of the layer adjacent the second substrate comprising a monolayer of closely packed protrusions projecting into the layer. The protrusions have surfaces defining a plurality of depressions in the volumes there between.
    Type: Grant
    Filed: June 10, 2021
    Date of Patent: August 22, 2023
    Assignee: E Ink Corporation
    Inventor: Donal O'Keeffe
  • Patent number: 11721636
    Abstract: A circuit die may include an outermost circuit layer having electrical transmission routing and an alignment target overlying the outermost circuit layer.
    Type: Grant
    Filed: April 15, 2018
    Date of Patent: August 8, 2023
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Anthony M. Fuller, Michael W. Cumbie, Chien-Hua Chen
  • Patent number: 11704522
    Abstract: An information processing device includes a storage portion storing a learned model trained by machine learning based on a data set in which temperature information, setting information, and countermeasure information are associated, a reception portion receiving the temperature information and the setting information at a time of ejecting ink by the printing head, and a processing portion deciding a countermeasure to be executed for condensation based on the received temperature information and setting information and the learned model.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: July 18, 2023
    Assignee: Seiko Epson Corporation
    Inventors: Katsuaki Sato, Kazunaga Suzuki
  • Patent number: 11691445
    Abstract: A liquid ejecting apparatus includes a liquid ejecting head, a holding member holding the liquid ejecting head, a fixing member including a head portion, an engaging portion, and a shaft portion that couples the head portion to the engaging portion, and an elastic member including a first opening into which the shaft portion is inserted. One of the liquid ejecting head and the holding member includes a second opening into which the shaft portion is inserted, and the other one of the liquid ejecting head and the holding member includes a first engaged portion to be engaged with the engaging portion. The liquid ejecting head is fixed to the holding member by the engaging portion being brought into engagement with the first engaged portion such that the first opening and the second opening are disposed between the head portion and the engaging portion.
    Type: Grant
    Filed: January 12, 2022
    Date of Patent: July 4, 2023
    Inventors: Hiroaki Okui, Eiichiro Watanabe
  • Patent number: 11667128
    Abstract: A fluidic die includes fluid chambers, each including an electrode exposed to an interior of the fluid chamber and each having a corresponding fluid actuator operating at a high voltage. The fluidic die further includes monitoring circuitry, operating at a low voltage relative to the fluid actuator, to monitor a condition of each fluid chamber, for each chamber the monitoring circuitry including a connection structure and a select transistor and a pulldown transistor connected to the electrode via the connection structure. The connection structure and select and pulldown transistors together structured to form electrically conductive paths with electrical resistances to protect at least the select transistor from fault damage if the high voltage fluid actuator short-circuits to the electrode.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: June 6, 2023
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Eric Martin, Terry McMahon, Donald W Schulte
  • Patent number: 11654692
    Abstract: A liquid ejecting head includes: a first nozzle array and a second nozzle array through which a non-fluorescent-colored liquid is discharged; and one or more fluorescent nozzle arrays through which respective fluorescent-colored liquids are discharged. Further, the fluorescent nozzle arrays are arranged between the first nozzle array and the second nozzle array.
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: May 23, 2023
    Assignee: Seiko Epson Corporation
    Inventor: Toshiyuki Yamagata
  • Patent number: 11597213
    Abstract: A liquid jetting apparatus includes a recording head unit including nozzles; a moving mechanism configured to alternately perform a scanning operation of moving the recording head unit in a scanning direction while causing the recording head unit to discharge a liquid and a sub-scanning movement operation of moving the recording head unit or the recording medium in a sub-scanning direction without causing the recording head unit to discharge the liquid; a gradation setting unit configured to set gradation on portions of image data corresponding to setting regions at ends of the recording head unit; an irregular pattern setting unit configured to set an irregular pattern on the image data to randomize a dot ratio indicating the number of dots per unit area; and a head discharge drive unit configured to cause the nozzles to discharge the liquid based on the image data.
    Type: Grant
    Filed: March 17, 2021
    Date of Patent: March 7, 2023
    Assignee: Ricoh Company, Ltd.
    Inventor: Atsushi Hada
  • Patent number: 11541668
    Abstract: When a specified image is recorded while ranging over a boundary between a first dot recording range and a second dot recording range, a controller of an image recording apparatus judges whether or not a predetermined condition is fulfilled, the predetermined condition including at least one of a first condition which relates to a duty and a second condition which relates to a positional deviation in a scanning direction of a landing position of a liquid. If the predetermined condition is fulfilled, the dot belonging to a correcting portion is formed by correcting discharge in which the liquid in a discharge amount smaller than a set discharge amount is discharged. If the predetermined condition is not fulfilled, the dot belonging to the correcting portion is formed by ordinary discharge in which the liquid in the set discharge amount is discharged.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: January 3, 2023
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Satoru Arakane, Masao Mimoto, Tsuyoshi Ito
  • Patent number: 11526076
    Abstract: A dispensing system comprises a first dispenser and a second dispenser each including a first end, a second end, a longitudinal axis extending through the first end and the second end, and a set of nozzles arranged about the longitudinal axis. The first dispenser is positioned relative to the second dispenser such that the longitudinal axis of the first dispenser is non-coaxial with the longitudinal axis of the second dispenser. The dispensing system also comprises a substrate chuck configured to hold a substrate and a rotation mechanism configured to rotate the substrate chuck around a rotation axis or configured to rotate the first dispenser and the second dispenser around the rotation axis.
    Type: Grant
    Filed: November 18, 2020
    Date of Patent: December 13, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Craig William Cone, Qi Ni, Steven Wayne Burns
  • Patent number: 11517093
    Abstract: A drawing device includes a drawing head and a processor which controls the drawing head. The drawing head draws an image by forming at least one of a first droplet dot formed by a first droplet and a second droplet dot formed by a second droplet including a larger droplet amount than the first droplet on a drawing target surface curved convexly along a first direction. The processor controls the drawing head to form the second droplet dot in at least a part of an adjustment region in at least one end of ends in the first direction on the drawing target surface based on drawing data of the image, and the drawing data is image data for drawing the image on a non-curved surface.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: December 6, 2022
    Assignee: CASIO COMPUTER CO., LTD.
    Inventor: Shuichi Yamasaki
  • Patent number: 11472195
    Abstract: In an example, a print system includes a redundancy engine, a separation engine, and a print engine. In that example, the redundancy engine may identify a group of nozzles based on a redundancy characteristic of a plurality of print head nozzles of a print head to be received at the print head station and the separation engine may select a color separation operation corresponding to a drop domain associated with the group of nozzles identified by the redundancy engine to operate the print head with redundancy. In that example, the print engine may generate instructions using the selected color separation operation to cause the print head to eject print fluid from a combination of nozzles corresponding to the group of nozzles based on the drop domain to operate the print head with a redundancy print mode.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: October 18, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Montserrat Solano Pallarol, Peter Morovic, Jan Morovic
  • Patent number: 11453217
    Abstract: In one example, a printing fluid delivery system for a printer is described. The printing fluid delivery system includes a plurality of interconnected printing fluid supply modules forming a page-wide printing fluid manifold to supply printing fluid from one or more cartridges to one or more printheads along a print bar in a printer.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: September 27, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Alfonso Cameno Salinas, Daniel Gonzalez Perello, Jose Antonio Lopez Abances, Rafael Ulacia Portoles
  • Patent number: 11415934
    Abstract: Disclosed herein is a device, a printing device and a method of operating a printing device. The device comprises an air flow path extending from an intake to an outlet. The intake is to be mounted in a printing device and comprises a proximal intake segment and a distal intake segment along the air flow path. A proximal air flow path from the proximal intake segment to the outlet is shorter than a distal air flow path from the distal intake segment to the outlet. Each of the proximal and distal intake segments comprises a wall segment with at least one hole. An opening ratio of an area of the at least one hole and an area of the respective wall segment is larger in the distal intake segment than in the proximal intake segment.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: August 16, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Javier Deocon Mir, Francisco Guerrero Carvajal, Diego Lopez Ubieto
  • Patent number: 11338573
    Abstract: An inkjet image forming apparatus includes a transferer and a hardware processor. The transferer transfers, onto a recording medium, ink that is ejected from an inkjet head and is borne on a transfer member. The hardware processor performs control for reducing transferability of the ink in a case where the ink borne on the transfer member is not-to-be-transferred ink, compared with a case where the ink is to-be-transferred ink.
    Type: Grant
    Filed: April 27, 2020
    Date of Patent: May 24, 2022
    Assignee: KONICA MINOLTA, INC.
    Inventors: Midori Shimomura, Yukimasa Azuma
  • Patent number: 11331918
    Abstract: Printheads and printers are described herein. In one example, a printhead includes a plurality of nozzles configured to eject ink drops of different sizes wherein a low drop weight (LDW) drop is ejected through a nozzle with a circular bore (CB), and a high drop weight (HDW) drop is ejected through a nozzle with a non-circular bore (NCB).
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: May 17, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Lawrence H. White, Arun K. Agarwal, Ron Burns
  • Patent number: 11331910
    Abstract: The present invention provides a fine bubble generating apparatus capable of generating fine bubbles efficiently. The present invention includes a fluid flow passage that includes a narrow portion in at least a part thereof, a heating part capable of heating a liquid flowing through the fluid flow passage, and a controlling unit that controls the heating part. The controlling unit controls the heating part to generate film boiling in the liquid to generate ultrafine bubbles.
    Type: Grant
    Filed: February 27, 2020
    Date of Patent: May 17, 2022
    Inventors: Hiroshi Arimizu, Masahiko Kubota, Akitoshi Yamada, Yoshiyuki Imanaka, Yumi Yanai, Hiroyuki Ishinaga, Teruo Ozaki
  • Patent number: 11298942
    Abstract: A liquid jetting apparatus includes: individual channels; and a manifold commonly provided for the individual channels. Each of the individual channels has: a nozzle; a pressure chamber arranged away from the nozzle in a predetermined direction to extend along a plane orthogonal to the predetermined direction and connected to the manifold, a connecting channel connected to the pressure chamber to form at least a part of a channel communicating the pressure chamber and the nozzle, and a circulation channel connected to the connecting channel to form a part of a channel communicating the connecting channel and the pressure chamber. The connecting channel has a throttle, and the throttle has a smaller diameter along the plane orthogonal to the predetermined direction than a diameter, of a part of the connecting channel except the throttle, along the plane orthogonal to the predetermined direction.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: April 12, 2022
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Keita Sugiura
  • Patent number: 11279157
    Abstract: There is provided an image recording apparatus including: a conveyor; a carriage; a recording head; and a controller. In a case that a moving direction in the scanning direction of the carriage in one of the two continuous recording passes is same as a moving direction in the scanning direction of the carriage in the other of the two continuous recording passes, the controller is configured to make a length in the conveyance direction of the overlap area to be a first length. In a case that the moving direction in the scanning direction of the carriage in the one of the two continuous recording passes is different from the moving direction in the scanning direction of the carriage in the other of the two continuous recording passes, the controller is configured to make the length in the conveyance direction of the overlap area to be a second length.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: March 22, 2022
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Satoru Arakane
  • Patent number: 11279132
    Abstract: A liquid ejecting apparatus includes a first head unit having a first head provided with a plurality of first nozzles and a second head unit having a second head provided with a plurality of second nozzles and a third head provided at a position different from the second head in a first direction and provided with a plurality of third nozzles. The second head and the third head are provided at different positions in a second direction intersecting with the first direction, and the first head unit and the second head unit are disposed such that a width at which the first head and the second head overlap in the first direction is smaller than a width at which the second head and the third head overlap in the first direction.
    Type: Grant
    Filed: August 27, 2020
    Date of Patent: March 22, 2022
    Assignee: Seiko Epson Corporation
    Inventors: Hiroyuki Hagiwara, Hajime Nakao
  • Patent number: 11279141
    Abstract: A liquid discharging apparatus includes a print head unit including a nozzle array with a plurality of nozzles in a sub-scanning direction, each nozzle being configured to discharge liquid onto a print medium. The liquid discharging apparatus includes a moving unit configured to move the print head unit in a scanning direction perpendicular to the sub-scanning direction with respect to the print medium, while causing discharge of the liquid onto the print medium. The moving unit is configured to move, without discharge of liquid, the print medium or the print head unit in the sub-scanning direction. The liquid discharging apparatus includes a line-pitch setting unit configured to set a line pitch by which the print head unit moves, per scan with respect to the sub-scanning direction.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: March 22, 2022
    Assignee: Ricoh Company, Ltd.
    Inventor: Yuki Tsuchiya
  • Patent number: 11282723
    Abstract: According to one embodiment, a liquid delivery member is provided which is to be arranged at a predetermined distance from a processing object, and which is configured to deliver a liquid from a slit while the liquid delivery member and the processing object are caused to make relative displacement therebetween in a first direction. The liquid delivery member includes a delivery amount adjustment part provided on a face that forms the slit, extending in a second direction orthogonal to the first direction, and configured to adjust a delivery amount of the liquid.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: March 22, 2022
    Assignee: KIOXIA CORPORATION
    Inventors: Hironobu Tamura, Ikuo Yoneda, Yoshiharu Ono
  • Patent number: 11273633
    Abstract: The control section outputs a first output value as an output value which corresponds to the first nozzle group when a first input value is input as an input value which corresponds to the first nozzle group, and outputs a second output value as an output value which corresponds to the second nozzle group when the first input value is input as an input value which corresponds to the second nozzle group, the second output value being larger than the first output value.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: March 15, 2022
    Assignee: Seiko Epson Corporation
    Inventors: Hiroyuki Hagiwara, Nobuaki Ito
  • Patent number: 11230102
    Abstract: A liquid discharge head includes a nozzle plate, a channel plate, a common channel substrate, and a wall member. The nozzle plate includes a plurality of nozzles configured to discharge liquid. The channel plate includes a plurality of pressure chambers communicated with the nozzles, respectively. The common channel substrate includes a common channel communicated with the pressure chambers. The wall member includes a deformable region in a part of a wall surface of the common channel. The channel plate and the common channel substrate are disposed with the wall member interposed between the channel plate and the common channel substrate. The channel plate includes an air chamber facing the deformable region. The channel plate includes a bridge portion partially dividing the air chamber in a nozzle arrangement direction in which the nozzles are arranged. The bridge portion is not in contact with the wall member and the nozzle plate.
    Type: Grant
    Filed: October 1, 2020
    Date of Patent: January 25, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventors: Takayuki Nakai, Shiomi Andoh
  • Patent number: 11225078
    Abstract: A liquid ejecting unit includes: a liquid ejecting head configured to eject a liquid; a flow channel member that is attached to the liquid ejecting head and that supplies the liquid to the liquid ejecting head; and an electric coupling member configured to supply a signal to the liquid ejecting head, in which the electric coupling member has a first electric coupling portion, the liquid ejecting head has a second electric coupling portion electrically coupled to the first electric coupling portion, and the flow channel member restricts the electric coupling member from moving in a direction in which the first electric coupling portion is removed from the second electric coupling portion.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: January 18, 2022
    Assignee: Seiko Epson Corporation
    Inventors: Daiki Tatsuta, Osamu Murayama, Junya Suzuki
  • Patent number: 11214066
    Abstract: A recording device includes a recording head including a plurality of nozzle rows of a plurality of nozzles for ejecting a same color ink, a detector configured to detect, from among the plurality of nozzles, a defective nozzle having an ejecting defect, and a control unit configured to determine whether the recording head is in an error state, based on a detection result from the detector. The control unit determines that the recording head is in the error state when, among the plurality of nozzles having a specific positional relationship in which the nozzles are configured to compensate for each other's ejection, at least a predetermined number the nozzles, which is greater than one, is the defective nozzle.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: January 4, 2022
    Assignee: Seiko Epson Corporation
    Inventor: Kenichi Honda
  • Patent number: 11204027
    Abstract: A fluid system includes a fluid active region, a fluid channel, a convergence chamber and plural valves. The fluid active region includes at least one fluid-guiding unit. The fluid-guiding unit is enabled under control to transport fluid to be discharged out through the outlet aperture. The fluid channel is in communication with the outlet aperture of the fluid active region, and has plural branch channels to split the fluid discharged from the fluid active region. The convergence chamber is in communication with the fluid channel. The valves each of which is disposed in the corresponding branch channel, wherein the fluid is discharged out through the branch channels according to opened/closed states of the valves under control. The fluid system of the present disclosure is capable of acquiring required flow rate, pressure and amount of the fluid to be transported.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: December 21, 2021
    Assignee: MICROJET TECHNOLOGY CO., LTD.
    Inventors: Hao-Jan Mou, Shih-Chang Chen, Li-Pang Mo, Jia-Yu Liao, Che-Wei Huang, Chi-Feng Huang
  • Patent number: 11198311
    Abstract: On a carriage that is transported in a main scanning direction by a main scanning drive portion heads are disposed so as to be displaced from each other in a sub-scanning direction, and heads are disposed so as to be displaced from each other in the sub-scanning direction. Therefore, even when an ejection failure occurs in nozzles of one of the two heads and in nozzles of one of the two heads ink can be ejected from the other head that ejects the same type of ink in main scanning. Thus, even when the ejection failure occurs in the nozzles, a deterioration in print quality can be suppressed.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: December 14, 2021
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Shuichi Tamaki
  • Patent number: 11167308
    Abstract: The disclosure concerns a printhead for applying a coating agent to a component, in particular for applying a paint to a motor vehicle body component, having at least one outlet opening for dispensing the coating agent, a coating agent supply for supplying the coating agent to the outlet opening, a movable valve element, the valve element in the closed position closes the outlet opening, whereas the valve element in the open position opens the outlet opening, and with a valve actuator for moving the valve element between the opening position and the closed position. The disclosure additionally provides for a flexible membrane which separates the valve actuator from the coating agent supply, the actuator side of the membrane facing the valve actuator and the coating agent side of the membrane being exposed to the coating agent in the coating agent supply.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: November 9, 2021
    Assignee: Dürr Systems AG
    Inventors: Hans-Georg Fritz, Benjamin Wöhr, Marcus Kleiner, Moritz Bubek, Timo Beyl, Frank Herre, Steffen Sotzny
  • Patent number: 11123917
    Abstract: An apparatus for fabricating an object on a substrate, the apparatus including a plurality of nozzles arranged in an array and each nozzle being in communication with a supply of build material and configured to expel a quantity of the build material therefrom, and also including a controller configured to selectively operate each nozzle to deposit a portion of the build material, responsive to data relating to a geometry of the object. During operation, the controller selectively operates at least some of the nozzles to deposit portions of the build material in specific locations corresponding with the object geometry, wherein at least one of the portions abuts the substrate and the portions are progressively deposited until the portions form the object.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: September 21, 2021
    Assignee: LAING O'ROURKE AUSTRALIA PTY LIMITED
    Inventors: James Bruce Gardiner, Nathan Graham Edward Kirchner, Omar Al-Khayat
  • Patent number: 11117393
    Abstract: A blower includes a blowout port configured to blow air outside the blower, a channel member connected to the blowout port, the channel member configured to guide the air to the blowout port, a first heat insulation member configured to cover an inner wall of the channel member, and a second heat insulation member configured to cover an outer wall of the channel member.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: September 14, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Hideaki Nishimura, Toshihiro Yoshinuma, Ken Onodera
  • Patent number: 11084283
    Abstract: Ejection device for fluid, comprising a solid body including: first semiconductor body including a chamber for containing the fluid, an ejection nozzle in fluid connection with the chamber, and an actuator operatively connected to the chamber to generate, in use, one or more pressure waves in the fluid such as to cause ejection of the fluid from the ejection nozzle; and a second semiconductor body including a channel for feeding the fluid to the chamber, coupled to the first semiconductor body, in such a way that the channel is in fluid connection with the chamber. The second semiconductor body integrates a damping cavity over which extends a damping membrane, the damping cavity and the damping membrane extending laterally to the channel for feeding the fluid.
    Type: Grant
    Filed: November 6, 2019
    Date of Patent: August 10, 2021
    Assignees: STMICROELECTRONICS S.R.L., STMICROELECTRONICS, INC.
    Inventors: Domenico Giusti, Marco Ferrera, Carlo Luigi Prelini, Simon Dodd
  • Patent number: 11077681
    Abstract: A printing system includes: an ink supply; a feed line coupled to the ink supply; a return line coupled to the ink supply; and a plurality of printhead modules each having an inlet port fluidically coupled to the feed line and an outlet port fluidically coupled to the return line; and bypass lines fluidically coupling the feed line to the return line. A bypass line is open for both priming and printing operations.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: August 3, 2021
    Inventors: Robert Rosati, David Petch, David Burney, Jim Sykora, Kenneth A. Regas, Andy Bound, Neil Doherty, Scott Dennis, Ben Jones, Oksana Buyda, Locson Tonthat, Andrew Buyda, Patrick Kirk, Loren Hunt, Jason Dewey, Jim Trinchera, Bill Cressman, Ron Zech
  • Patent number: 11052670
    Abstract: A liquid circulation device includes a circulation path, a liquid feeding device, and circuitry. The circulation path is configured to circulate a liquid to be supplied to a liquid discharge head of a circulatory type and collected from the liquid discharge head. The liquid feeding device is configured to feed the liquid to circulate the liquid in the circulation path. The circuitry is configured to control an amount of the liquid to be fed by the liquid feeding device, on a basis of discharge information about the liquid to be discharged from the liquid discharge head.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: July 6, 2021
    Assignee: Ricoh Company, Ltd.
    Inventor: Atsushi Mori
  • Patent number: 11052655
    Abstract: A die controller to control a fluidic die having a plurality of primitives each including a plurality of nozzles addressed by a same set of addresses. The die controller provides operational data including a series of actuation data groups to the fluidic die to actuate the nozzles to eject fluid to form an article, each actuation data group including a series of fire pulse groups, with each fire pulse group corresponding to a different address of the set of addresses and including a set of actuation data for each primitive and a set of start bits to initiate actuation of the nozzles based on the actuation data of the immediately preceding fire pulse group. The die controller to provide a blank fire pulse group immediately following a last fire pulse group of the series of fire pulse groups of each actuation data group when operating in an edge sharpness mode.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: July 6, 2021
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Eric Martin, James Gardner, Jordi Hernandez
  • Patent number: 11044370
    Abstract: A first processing module receives image data transferred from a controller, and executes image processing and a second processing module receives the image data transferred from the controller via the first processing module and executes image processing on the image data. The controller determines color components, of the plurality of color components of the image data, to be processed by the first processing module and the second processing module, based on at least communication amounts produced between the first processing module and the second processing module. Processed data having undergone the image processing performed by the first processing module based on the determined color components is transferred to the controller, and processed data having undergone the image processing performed by the second processing module based on the determined color components is transferred to the controller via the first processing module.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: June 22, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Teruyuki Yoshida, Norio Shimura, Koji Yasuzaki, Masaki Tanabe
  • Patent number: 11020959
    Abstract: A printing apparatus for printing using a printhead including a plurality of nozzles, each configured to discharge ink, and a plurality of sensors, corresponding to the plurality of nozzles, for detecting a discharge state of ink from the plurality of nozzles, judges a discharge state. The apparatus prints, based on print data, an image by driving the printhead under a first drive condition to discharge the ink from the printhead to a first area, discharges ink to a second area different from the first area by driving the printhead, based on inspection data, under a second drive condition different from the first drive condition, and judges a discharge state of each nozzle by monitoring an output from each sensor at a timing of driving the printhead under the second drive condition.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: June 1, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takeshi Murase, Yoshiaki Murayama, Satoshi Kitai, Masahiko Umezawa, Tomoki Kobayashi
  • Patent number: 10971529
    Abstract: An electronic device and manufacturing method of the electronic device are disclosed. The manufacturing method includes: providing a substrate; forming a thin film circuit on the substrate, wherein the thin film circuit comprises at least one thin film transistor and at least one conductive trace; forming at least one first connection pad on the substrate, wherein the first connection pad is electrically connected with the thin film transistor through the conductive trace; disposing the substrate on a driving circuit board, wherein the driving circuit board comprises at least one second connection pad adjacent to and corresponding to the first connection pad; and forming a conductive member covering at least a part of the second connection pad and the first connection pad, wherein the second connection pad is electrically connected with the first connection pad through the conductive member.
    Type: Grant
    Filed: June 24, 2019
    Date of Patent: April 6, 2021
    Assignee: Gio Optoelectronics Corp.
    Inventor: Chin-Tang Li
  • Patent number: 10870278
    Abstract: An inkjet printhead includes: a support structure having a plurality of printhead chips mounted thereto; and a shield plate bonded to the support structure, the shield plate having a slot aligned with the printhead chips, the slot having a perimeter edge. A sealant is disposed on all exposed portions of the support structure adjacent the perimeter edge of each slot.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: December 22, 2020
    Inventors: Elmer Dimaculangan Perez, Nicholas Chin, Miao Wang, See-Huat Tan, Jason Thelander, David Burke, Andrew Thomas, Mahes Rajaratnam
  • Patent number: 10864750
    Abstract: Herein described is a machine (100) for the ink-jet printing of three-dimensional objects (A), comprising: a plurality of spindles individually suitable to carry and drive an object (A) to be printed in rotation around a pre-set rotational axis of the spindle, and a first support and displacement system suitable to displace the spindles in succession along a pre-set loop path, stopping them one after the other in a plurality of operating stations; wherein said operating stations comprise: at least one input station (150) wherein the spindle receives an object (A) to be printed, a plurality of printing stations wherein the object (A) is ink-jet printed, and at least one output station wherein the printed object (A) is removed from the spindle; wherein each printing station comprises: a printing unit suitable for the ink-jet printing of the object (A) carried by the spindle found in the printing station, and a second support and displacement system suitable to vary the relative position of said printing unit wi
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: December 15, 2020
    Assignee: OMSO—OFFICINA MACCHINE PER STAMPA SU OGGETTI—SOCIETA' PER AZIONI
    Inventors: Vittorio Ferrari, Alfredo Campioli
  • Patent number: 10868943
    Abstract: A method for color mapping is disclosed based on obtaining a measurement of one or more characteristics of an imaging system. A set of color mappings are provided and the color mapping is selected based on the measurement. Each of the color mappings enables a mapping from a first color space to Neugebauer Primary area coverage vector space. A method for generating a color mapping is disclosed.
    Type: Grant
    Filed: April 25, 2014
    Date of Patent: December 15, 2020
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Peter Morovic, Jan Morovic, Juan Manuel Garcia Reyero Vinas, David Gaston Llado
  • Patent number: 10857797
    Abstract: Printheads for a jetting apparatus. In one embodiment, a printhead includes inlet ports each configured to receive one of four or more types of print fluids. The printhead further includes a plurality of nozzles arranged in one or two nozzle rows, where each of the nozzles is fluidly coupled to one of the inlet ports. In groupings of four or more adjacent nozzles of the plurality, the adjacent nozzles are each configured to jet a different one of the types of print fluids.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: December 8, 2020
    Assignee: Ricoh Company, Ltd.
    Inventor: Hiroshi Nishimura