Patents Assigned to Brother Kogyo Kabushiki Kaisha
  • Publication number: 20210141320
    Abstract: A developing cartridge includes: a casing, a developing roller, a first agitator, a supply roller, and a second agitator. The casing is configured to accommodate toner. The developing roller is rotatable about a developing roller rotation axis extending in a first direction. The first agitator is configured to agitate the toner. The first agitator is rotatable about a first agitator rotation axis extending in the first direction. The supply roller is positioned between the first agitator and the developing roller. The supply roller is rotatable about a supply roller rotation axis extending in the first direction. The second agitator is positioned between the supply roller and the first agitator. The second agitator is rotatable about a second agitator rotation axis extending in the first direction. A rotation locus of the second agitator is positioned outside of a rotation locus of the first agitator.
    Type: Application
    Filed: January 19, 2021
    Publication date: May 13, 2021
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Kazuaki OOKA, Junichi HASHIMOTO, Shota IRIYAMA, Keigo NAKAJIMA, Kengo YADA
  • Publication number: 20210141336
    Abstract: An image forming apparatus includes a controller, a drum cartridge and a toner cartridge. The controller is configured to perform determining a value of a first initial developing bias for a first toner cartridge based on a cumulative number of drum rotations that is stored in a drum memory of the drum cartridge at the time when the cumulative dot count stored in the toner memory of the first toner cartridge is equal to zero. After determining the first initial developing bias, the controller is configured to perform determining a value of a second initial developing bias for a second toner cartridge based on the cumulative number of drum rotations that is stored in the drum memory at the time when the cumulative dot count stored in the toner memory of the second toner cartridge is equal to zero.
    Type: Application
    Filed: January 19, 2021
    Publication date: May 13, 2021
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Shunji YOSHIMOTO, Naoya KAMIMURA, Masashi IMAI, Masaki UEJI, Keita HIRONAKA, Hotaka KAKUTANI
  • Publication number: 20210138787
    Abstract: A liquid discharging head includes: a pressure chamber; a descender extending from the pressure chamber in a first direction; a communicating channel extending from the descender in a second direction crossing the first direction; a first return channel and a second return channel connecting the communicating channel and a return manifold; and a nozzle connected to the communicating channel. The first return channel and the second return channel are connected, with respect to the communicating channel, at facing positions, respectively, the facing positions facing each other in a direction orthogonal to the second direction; and the nozzle is provided, in the communicating channel, at a position which is offset from an axis of the descender, and which is sandwiched between a connecting location of the first return channel with respect the communicating channel and a connecting location of the second return channel with respect to the communicating channel.
    Type: Application
    Filed: September 25, 2020
    Publication date: May 13, 2021
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Keita SUGIURA, Jiro YAMAMOTO, Shotaro KANZAKI, Taisuke MIZUNO, Hiroshi KATAYAMA
  • Publication number: 20210144272
    Abstract: An information processing apparatus includes: a data sharing unit configured to cause an application selected as a data output destination to process data which is output by an application which is a data output source; a process-object-data generation control unit configured to generate process object data in one of a first format and a second format based on image data acquired by an image information interface from an image information source; and an application-information display unit configured to display identification images for identifying applications which the data sharing unit can select as the data output destination if the data sharing unit is to process either data of the first format or data of the second format.
    Type: Application
    Filed: January 21, 2021
    Publication date: May 13, 2021
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Norihiko ASAI
  • Publication number: 20210138788
    Abstract: A liquid discharging apparatus includes: a nozzle surface having a nozzle; a pressure chamber communicating with the nozzle and configured to store liquid; a piezoelectric body configured to apply pressure to the liquid inside the pressure chamber; a supply manifold configured to supply the liquid to the pressure chamber; a return manifold arranged to overlap with the supply manifold and configured to allow the liquid, which is not discharged from the nozzle, to flow therethrough; a pair of elastically deformable portions provided between the supply manifold and the return manifold; a damper space formed between the elastically deformable portions; and a shielding plate configured to separate the damper space into a first damper space and a second damper space, wherein Young's modulus of the shielding plate is greater than Young's modulus of each of the elastically deformable portions.
    Type: Application
    Filed: September 25, 2020
    Publication date: May 13, 2021
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Keita SUGIURA
  • Publication number: 20210141333
    Abstract: An image forming apparatus includes a housing, a top cover having an opening, a process cartridge attachable to the housing, a toner cartridge attachable to the process cartridge, and an interlocking mechanism. The top cover is pivotally movable between a first position closing the opening and a second position opening the opening. In a state where the toner cartridge is attached to the process cartridge, the toner cartridge is pivotally movable between an attachment/detachment position where the toner cartridge is attachable to and detachable from the process cartridge; and a fixed position where the toner cartridge is fixed to the process cartridge. The interlocking mechanism is configured to pivotally move the toner cartridge to the attachment/detachment position when the top cover is moved to the second position, and to pivotally move the toner cartridge to the fixed position when the top cover is moved to the first position.
    Type: Application
    Filed: November 10, 2020
    Publication date: May 13, 2021
    Applicant: Brother Kogyo Kabushiki Kaisha
    Inventors: Shougo SATO, Miho Ishida
  • Publication number: 20210139263
    Abstract: An image forming apparatus, including a main chassis having a discharge tray and a switchback tray in an upper position with respect to the discharge tray; an image forming unit; a discharge roller to discharge a recording sheet conveyed through the image forming unit onto the discharge tray; a duplex conveyer to invert the sheet and convey the inverted sheet to return to the image forming unit; and a switchback roller being rotatable in a normal direction to convey the sheet toward the switchback tray and a reverse direction to convey the sheet to the duplex conveyer; is provided. The main chassis includes a pair of walls, each of which extends in a vertical direction and in a conveying direction of the sheet and is arranged in adjacent to the switchback tray such that the switchback tray is interposed between the pair of walls.
    Type: Application
    Filed: January 21, 2021
    Publication date: May 13, 2021
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Shougo SATO
  • Publication number: 20210141327
    Abstract: An image forming apparatus includes: a first developing roller movable between a first contact position and a first separated position; a second developing roller movable between a second contact position and a second separated position; and a controller. When a sheet interval is shorter than a first interval and is longer than or equal to a second interval, the controller maintains the first developing roller at the first contact position even after the completion of its development for a preceding sheet, controls the first developing roller to start development for a subsequent sheet, moves the second developing roller to the second separated position after the completion of its development for the preceding sheet, moves the second developing roller again to the second contact position, and controls the second developing roller to start development for the subsequent sheet after the second developing roller is moved again to the second contact position.
    Type: Application
    Filed: November 11, 2020
    Publication date: May 13, 2021
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Yusuke IKEGAMI, Masahito SAEKI, Toshiyuki SANO, Shintaro SAKAGUCHI
  • Publication number: 20210141335
    Abstract: An image forming apparatus includes a housing and a first process cartridge. The first process cartridge is attachable to and detachable from the housing. The first process cartridge includes a first photosensitive drum, a first developing roller, and a developing frame. The developing frame has a toner inlet opening. The toner cartridge has a toner supply opening. The toner cartridge is positioned above the developing frame such that the toner supply opening and the toner inlet opening face with each other in upward/downward direction. In the state where the first process cartridge to which the toner cartridge is attached is attached to the housing, the toner cartridge is incapable of being detached from the first process cartridge. In a state where the first process cartridge to which the toner cartridge is attached is detached from the housing, the toner cartridge is detachable from the first process cartridge.
    Type: Application
    Filed: November 10, 2020
    Publication date: May 13, 2021
    Applicant: Brother Kogyo Kabushiki Kaisha
    Inventors: Daisuke MAETA, Shougo Sato
  • Patent number: 11001060
    Abstract: A piezoelectric actuator comprises a vibration plate, a first electrode, a first piezoelectric layer, a second electrode, a second piezoelectric layer and a third electrode. With respect to a top-bottom direction orthogonal to a surface of the vibration plate, the vibration plate, the first electrode, the first piezoelectric layer, the second electrode, the second piezoelectric layer and the third electrode are stacked in this order. The second piezoelectric layer is narrower than the first piezoelectric layer in a first direction parallel to the surface of the vibration plate. The third electrode extends in the first direction and covers both side surfaces of both of the first piezoelectric layer and the second piezoelectric layer in the first direction.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: May 11, 2021
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Taiki Tanaka
  • Patent number: 11001076
    Abstract: An image processing apparatus is configured to generate a plurality of pieces of partial printing data by executing a generating process including a color conversion process. A printing execution device performs N-th and (N+1)-th partial printing. An area in which the N-th partial printing is performed includes an overlap area, and first and second non-overlap areas respectively arranged on upstream and downstream sides, in the conveying direction, with respect to the overlap area. In the overlap area, dots are formed by both the N-th and (N+1)-th partial printings. The color conversion process includes a first converting process for the first non-overlap area with reference to a first profile, a second converting process for the second non-overlap area with reference to a second profile, and a third converting process for the overlap area, the third converting process being different from both the first and second converting process.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: May 11, 2021
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Satoru Arakane, Masashi Kuno, Shota Morikawa
  • Patent number: 11001064
    Abstract: A liquid jetting apparatus includes: a liquid jetting head having: a plurality of kinds of individual channels, a jetting surface formed with a plurality of kinds of nozzles from which a plurality of kinds of liquids are jetted, respectively, a plurality of kinds of inflow channels, a plurality of kinds of outflow channels; valves provided at least on the plurality of kinds of inflow channels; a wiper configured to be movable relative to the liquid jetting head in a direction along the jetting surface; a first motor configured to move the liquid jetting head and the wiper relative to each other; and a controller. The controller executes a wiping by driving the first motor in a state that the valves are closed.
    Type: Grant
    Filed: June 5, 2019
    Date of Patent: May 11, 2021
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Taisuke Mizuno
  • Patent number: 11003128
    Abstract: An image forming apparatus including a main body casing, a cover, a drum cartridge, a developing cartridge, an intermediate transfer belt and a movable cam. The movable cam is movable among a first position when the cover is in the open position, a second position and a third position when the cover is in the closed position. In a case where the movable cam is in the first position, the photosensitive drum is in a first drum position spaced from the intermediate transfer belt, and the developing roller is in a first developing position spaced from the photosensitive drum. In a case where the movable cam is in the second position, the photosensitive drum is positioned toward the intermediate transfer belt from the first drum position. In a case where the cam is in the third position, the developing roller is positioned toward the photosensitive drum from the first developing position.
    Type: Grant
    Filed: February 5, 2020
    Date of Patent: May 11, 2021
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Daisuke Ishizuka, Atsushi Ozawa, Hideshi Nishiyama
  • Patent number: 11003131
    Abstract: An image forming apparatus includes a frame, a drum cartridge mountable to the frame, and including a photosensitive drum and a drum memory in which drum identification information identifying the drum cartridge is stored, and a control unit including a main body memory in which the drum identification information is to be stored. The control unit reads out the drum identification information from the drum memory, determines whether the drum identification information read out from the drum memory coincides with the drum identification information stored in the main body memory, and enables to execute resister pitch measuring processing of measuring variations in printing pitch due to the photosensitive drum. In a case where it is determined that the drum identification information read out from drum memory coincides with the drum identification information stored in the main body memory, the control unit does not execute the resister pitch measuring processing.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: May 11, 2021
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Toshiyuki Sano, Tadao Kyotani, Keigo Goto
  • Patent number: 11003401
    Abstract: An information processing device is configured to execute a management program and a print server program. The management program determines whether a non-compliant printer is connected to the information processing device, determines whether a print server program is running when the non-compliant printer is connected, starts up the print server program when the print server program is not running, and registers a print server configured by the print server program with an operating system. The print server program receives a print job designating the print server as an output destination, obtains individual print data which is printable by the non-compliant printer, and transmits the obtained individual print data to the non-compliant printer.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: May 11, 2021
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Jun Yamada
  • Patent number: 11003966
    Abstract: In a printing apparatus, a controller is configured to: receive compressed image data created by compressing image data for pages; store the compressed image data into a memory; individually identify partial compressed data corresponding to the pages in the stored compressed image data; store one of the partial compressed data into the memory or stores information identifying each partial compressed data in the compressed image data, into the memory; execute a first creating processing for decompressing the one partial compressed data and creating print data for one page based on decompressed page data; and execute a first output processing for outputting the created print data. The controller repeats the first creating processing and the first output processing a number of times corresponding to the number of pages contained in the compressed image data. The printing apparatus performs printing based on the output print data.
    Type: Grant
    Filed: February 20, 2020
    Date of Patent: May 11, 2021
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Wataru Hasegawa, Koichi Tsugimura
  • Patent number: 11005946
    Abstract: A non-transitory storage medium stores instructions readable by a computer of an information processing apparatus. The information processing apparatus includes an accepter configured to accept an operation of a user. When executed by the computer, the instructions cause the information processing apparatus to perform: executing an accepting processing in which the accepter of the information processing apparatus accepts a selecting operation that is an operation of selecting data; executing an obtaining processing in which the information processing apparatus obtains a URL corresponding to data specified by the selecting operation accepted in the accepting processing; and executing a creating processing in which the information processing apparatus creates a two-dimensional code storing the URL obtained in the obtaining processing.
    Type: Grant
    Filed: November 2, 2018
    Date of Patent: May 11, 2021
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Hirotaka Sato, Susumu Fujiwara
  • Patent number: 11003402
    Abstract: A non-transitory storage medium stores instructions executable by a processor of a communication apparatus configured to communicate with a function executing device. The communication apparatus includes a communication device and a display. When executed by the processor, the instructions cause the communication apparatus to execute: a display processing for controlling the display to display an information display screen containing a first input region for input of authentication information; and a transmission processing in which the communication apparatus transmits one set of the authentication information input to the first input region, to function executing devices each as the function executing device, and when each of the function executing devices has succeeded in authentication of the authentication information, each of the function executing devices executes a function instructed by the communication apparatus.
    Type: Grant
    Filed: February 18, 2020
    Date of Patent: May 11, 2021
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Yuki Yada
  • Patent number: 11001964
    Abstract: There is provided a treatment agent applicable to a recording surface of a recording medium which is recording paper or fabric. The treatment agent contains: a non-cationic sizing agent; and at least one cationic substance which is selected from the group consisting of: a cationic polymer capable of forming a flexible film in a case that the cationic polymer is dried, a cationic surfactant, a polyvalent metal salt and a polyvalent metal ion.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: May 11, 2021
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Yasuhiro Taga, Keisuke Yuhara, Mitsunori Maeda, Shinpei Ito
  • Patent number: 11003107
    Abstract: A developing cartridge 1 may include a developing roller including a developing roller shaft, a casing capable of containing a developer material, and a developing electrode or a member configure to be electrically connected to the developing roller shaft. The developing electrode or the member has a first end portion configured to be electrically connected to the developing roller shaft and a second end portion located farther away from the developing roller shaft than the first end portion. The second end portion is farther away in the second direction from the one end of the casing than the first end portion is from the one end of the casing. The developing electrode has a first hole extending in the second direction between the first end portion and the second end portion.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: May 11, 2021
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Nao Itabashi