Patents Examined by Thinh H. Nguyen
  • Patent number: 11407218
    Abstract: A fluid ejection controller interface includes input logic to receive control data packets and a first clock signal, each control data packet including a set of primitive data bits and a set of random bits, wherein the input logic identifies the random bits in the received control data packets to facilitate the creation of modified control data packets. The fluid ejection controller interface includes a clock signal generator to generate a second clock signal that is different than the first clock signal, and output logic to receive the modified control data packets, and output the modified control data packets to a fluid ejection controller of a fluid ejection device based on the second clock signal.
    Type: Grant
    Filed: February 6, 2019
    Date of Patent: August 9, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: John Rossi, Scott A. Linn, James Michael Gardner, Erik D. Ness
  • Patent number: 11407222
    Abstract: A print device is provided with a background head that discharges a background ink onto a recording medium, a color head that discharges a color ink onto the recording medium, and a CPU that controls the background head and the color head. The CPU of the print device divides the background ink into a plurality of layers including a first background layer and a second background layer, and discharges the background ink from the background head. A first discharge region of the first background layer is further to an inner side than a second discharge region of the second background layer.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: August 9, 2022
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Yoshihisa Kayanaka, Shota Morikawa, Masatoshi Izuchi, Takeshi Watanabe
  • Patent number: 11400703
    Abstract: A liquid ejection apparatus includes a liquid ejection head having an array of nozzles each configured to eject liquid, a storage, and a controller. The storage stores first data including distribution patterns and causes of an ejection failure and second data including causes of an ejection failure and maintenance manners. In a case where the nozzles include a failure nozzle, the controller determines a cause of a currently-occurring ejection failure based on the first data, perform maintenance in a first maintenance manner associated with the cause based on the second data. In a case where the currently-occurring ejection failure due to the cause has been recovered a predetermined number of times by maintenance in the first maintenance manner, the controller is configured to change the first maintenance manner associated with the cause to a second maintenance manner in the second data.
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: August 2, 2022
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Yuta Toda, Zenichiro Sasaki, Yasuhiro Nakano
  • Patent number: 11402500
    Abstract: A sonic wave sensor unit includes an element substrate having a transmitting element having a transmission side piezoelectric element and transmitting a sonic wave to a medium, and a receiving element having a reception side piezoelectric element and a reception side vibrating surface and receiving a sonic wave reflected by the medium, a sonic wave sensor including a sealing substrate configured to seal the transmission side piezoelectric element and the reception side piezoelectric element, and a holder disposed on a side opposite to the element substrate with respect to the sealing substrate in a ?Z direction and fixed to the sealing substrate, wherein a through hole penetrating the holder in the ?Z direction is formed in the holder, and, in plan view viewed in the ?Z direction, the reception side vibrating surface is disposed inside a wall surface of the holder constituting the through hole.
    Type: Grant
    Filed: February 17, 2021
    Date of Patent: August 2, 2022
    Assignee: Seiko Epson Corporation
    Inventors: Shinya Yamazaki, Osamu Murayama
  • Patent number: 11400707
    Abstract: Provided is a recording device including a recording head, and a control unit. The control unit is configured to cause the recording head to record each of a raster lines of an overlapping region of an image by an overlap mode of recording one raster line using a plurality of a first nozzles, record a penetrant liquid in at least a portion of an overlapping region by a second nozzles, and record the penetrant liquid in a region of the image other than the overlapping region in an amount less than that of the penetrant liquid recorded in the at least a portion of the overlapping region.
    Type: Grant
    Filed: March 16, 2021
    Date of Patent: August 2, 2022
    Assignee: Seiko Epson Corporation
    Inventor: Takamitsu Kondo
  • Patent number: 11390073
    Abstract: A liquid discharge apparatus includes a liquid discharge head, a carriage which has the liquid discharge head mounted thereto and moves in a scanning direction, an encoder sensor mounted to the carriage, a slit member extending in the scanning direction and having encoder slits aligned in the scanning direction and detected by the encoder sensor, and a controller. The controller moves the carriage in the scanning direction, generates multiplied signals by multiplying a detection signal obtained based on a detection result of the encoder slits by the encoder sensor when a signal change occurs in the detection signal, and causes the liquid discharge head to discharge liquid from nozzles, based on the multiplied signals.
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: July 19, 2022
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Shoko Ota, Shoji Sato
  • Patent number: 11383535
    Abstract: A liquid ejecting apparatus includes an endless transporting belt stretched over a plurality of rollers and configured to rotate while supporting a medium, by a support face that is a surface on an opposite side from a contact surface with the roller, to transport the medium in a transport direction, and a liquid ejecting unit configured to eject liquid onto the medium supported by the support face, wherein the transporting belt is formed without a coupling portion at which end portions of the transporting belt are coupled to each other along a width direction that intersects with a circumferential direction of the transporting belt.
    Type: Grant
    Filed: October 7, 2020
    Date of Patent: July 12, 2022
    Assignee: Seiko Epson Corporation
    Inventors: Kenichiro Kaneko, Seijun Horie, Tsuneyuki Sasaki
  • Patent number: 11376869
    Abstract: A method of securing a printhead assembly in a printing position relative to a media feed path. The method includes the steps of: lowering the printhead assembly towards datum surfaces, each datum surface having a fixed position relative to the media feed path; and magnetically attracting portions of the printhead assembly towards the datum surfaces so as to secure the printhead assembly in the printing position.
    Type: Grant
    Filed: January 20, 2021
    Date of Patent: July 5, 2022
    Inventor: Mark Profaca
  • Patent number: 11376873
    Abstract: A liquid discharge apparatus includes a stage on which a recording medium is placed, a head configured to discharge a liquid onto the recording medium on the stage, an inclined wall adjacent to the recording medium, the inclined wall configured to cover a part of the stage, and a height adjuster configured to adjust a height of one end of the inclined wall to be equal to or lower than a thickness of the recording medium.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: July 5, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventor: Seiji Hoshino
  • Patent number: 11364718
    Abstract: In a device for regenerating a print head of an inkjet printing device, a fluid is applied onto the nozzle plate of the print head. The one or more nozzles of the print head can be subsequently operated with one or more no-ejection pulses to produce the effect that fluid is drawn from the nozzle plate into the one or more nozzles and mixes with the ink in the one or more nozzles that the viscosity of the ink in the one or more nozzles is reduced.
    Type: Grant
    Filed: June 26, 2020
    Date of Patent: June 21, 2022
    Assignee: Canon Production Printing Holding B.V.
    Inventors: Christoph Rummelsberger, Ulrich Stoeckle
  • Patent number: 11351801
    Abstract: According to one embodiment, an information management system includes a storage device and a control unit. The storage device is provided in a management server communicatively connected to an image forming apparatus to which a cartridge having a consumable item is detachably attached, via a network, and stores information on the consumable item or the cartridge. The control unit limits a predetermined function related to image formation of the image forming apparatus when, based on identification information indicating the cartridge stored in a cartridge storage device provided in the cartridge attached to the image forming apparatus, information on the consumable item or the cartridge is acquired from the storage device, and the acquired information satisfies a predetermined condition indicating that the cartridge is not a genuine cartridge.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: June 7, 2022
    Assignee: TOSHIBA TEC KABUSHIKI KAISHA
    Inventor: Toshihiko Asahi
  • Patent number: 11345153
    Abstract: A supporting section is disposed to confront an ejection surface and supports a recording medium. A first tank is mounted on a first-tank mount section. A liquid conveying section conveys liquid to a liquid ejecting head. A receiving section receives liquid ejected from the liquid ejecting head. A waste-liquid conveying section conveys liquid to the waste-liquid tank. A first casing holds the liquid ejecting head, the first-tank mount section, and the liquid conveying section. A second casing holds the supporting section, the receiving section, the waste-liquid tank, and the waste-liquid conveying section. The first casing is connected with the second casing such that the first casing is movable relative to the second casing. The first casing takes a first position at which the ejection surface confronts the supporting section and a second position at which the ejection surface is farther away from the supporting section than at the first position.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: May 31, 2022
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Shinya Yamamoto
  • Patent number: 11345145
    Abstract: A die for a printhead is provided in examples. The die includes a number of fluidic actuator arrays, proximate to a number of fluid feed holes. A number of address lines are disposed proximate to a number of logic circuits on a low-voltage side of the fluid feed holes. An address decoder circuit is coupled to at least a portion of the address lines to select a fluidic actuator in a fluidic actuator array for firing. The address decoder circuit is customized to select a different address for each fluidic actuator in the fluidic actuator array. A logic circuit triggers a driver circuit located in a high-voltage side of the plurality of fluid feed holes opposite the low-voltage side, based, at least in part, on a bit value for the fluidic actuator array, the fluidic actuator selected by the address decoder circuit, and a firing signal.
    Type: Grant
    Filed: February 6, 2019
    Date of Patent: May 31, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Eric Martin, Scott A. Linn, James Michael Gardner
  • Patent number: 11338578
    Abstract: An inspection module is disclosed for inspecting a droplet from an ink jet head. The inspection module includes a sensor located under the ink jet head and measuring a distance between the droplet and the sensor in real time; a variable lens changing an operating distance based on the measured distance of the sensor; and a camera for capturing an image of the droplet. The inspection module further includes a droplet inspecting part inspecting the droplet image captured by the camera.
    Type: Grant
    Filed: October 23, 2020
    Date of Patent: May 24, 2022
    Assignee: SEMES CO., LTD.
    Inventors: Kwangsup Kim, Dongok Ahn, Junho Oh, Ji Hoon Yoo, Myeong Jun Lim
  • Patent number: 11338575
    Abstract: A controller for an inkjet printing device is configured to predict a remaining time period until a failure of the nozzle on the basis of a time curve of offset measurement values with regard to the offset of the ink droplets ejected by said nozzle. A compensation measure may be introduced promptly, before the actual failure of the nozzle on the basis of the prediction in order to have the effect that the compensation measure takes effect at latest at the point in time of the failure of the nozzle, and thus an interruption of the print quality may be prevented.
    Type: Grant
    Filed: October 8, 2020
    Date of Patent: May 24, 2022
    Assignee: Canon Production Printing Holding B.V.
    Inventors: Claus Schneider, Ulrich Stoeckle
  • Patent number: 11338588
    Abstract: An inkjet printer has a print assembly and a print material feed system comprising a first circulation circuit and a second circulation circuit, the first circulation circuit fluidly coupled between the second circulation circuit and the print assembly.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: May 24, 2022
    Assignee: KATEEVA, INC.
    Inventors: Robert Dennis Taff, Alexander Sou-Kang Ko, Stephen Mark Smith, Geoffrey Kenneth Love
  • Patent number: 11331934
    Abstract: A printer includes a head which includes a nozzle face which ejects ink toward a top of a surface of a nail of a finger, a driving mechanism which moves the head in a predetermined direction, an image capturer which generates a nail side image showing a side of the nail of the finger by capturing an image of the nail of the finger, and a display controller which performs image processing on the nail side image from the image capturer, causing a display to display an image for height position adjustment including a target height position indicator added to the nail side image, the target height position indicator indicating a target height position of the nail of the finger spaced from the nozzle face by a predetermined distance.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: May 17, 2022
    Assignee: FUNAI ELECTRIC CO., LTD.
    Inventors: Masaaki Takagi, Akira Hayashi
  • Patent number: 11331931
    Abstract: A liquid droplet discharge apparatus includes: a conveyor which conveys a recording medium in a sub-scanning direction; a head unit including first-kind nozzles and at least one second-kind nozzle; a moving device configured to move the head unit in a main scanning direction intersecting with the sub-scanning direction; and a controller. The controller executes: a first data generation process for generating a first data being used for forming a first image; a second data generation process for generating a second data being used for forming a second image; and a forming process for forming dots by controlling the head unit, the moving device, and the conveyor based on the first data and the second data to discharge liquid droplets on the recording medium.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: May 17, 2022
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Satoru Arakane, Hirotoshi Maehira
  • 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: 11325374
    Abstract: An integrated circuit is disclosed. The integrated circuit includes an actuator to eject a fluid in response to a fire signal. The integrated circuit also includes a monitor circuit set by the fire signal to block the fire signal to the actuator circuit after a selected duration.
    Type: Grant
    Filed: February 6, 2019
    Date of Patent: May 10, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Scott A. Linn, James M. Gardner