Patents Examined by Sophia S. Chen
  • Patent number: 11573524
    Abstract: A cartridge includes a developing roller, a downstream side drive transmission member, an upstream side drive transmission member, an elastic member for urging the downstream side drive transmission member toward a blocked position from a transmission position, and a maintaining member for maintaining the downstream side drive transmission member in the transmission position against an elastic force of the elastic member. The downstream side drive transmission member is coupled to the upstream side transmission member when the downstream side drive transmission member is in the transmission position, and the downstream side drive transmission member is not coupled to the upstream side transmission member when the downstream side drive transmission member is in the blocked position.
    Type: Grant
    Filed: October 14, 2021
    Date of Patent: February 7, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Sohta Sugimoto, Masaaki Sato
  • Patent number: 11567447
    Abstract: A process cartridge includes a first unit including an image bearing member configured to carry an electrostatic latent image, and a second unit including a developer bearing member configured to develop the electrostatic latent image carried on the image bearing member into a toner image, the second unit being capable of being mounted on the first unit in a mounting direction. The first unit includes a moving member that moves the second unit mounted on the first unit at a mounting position to a detachment position. The second unit includes a storage unit that stores information about the second unit. The moving member is disposed on a first side of the process cartridge in a longitudinal direction of the image bearing member. An electrode of the storage unit is disposed on a second side of the process cartridge in the longitudinal direction.
    Type: Grant
    Filed: April 11, 2022
    Date of Patent: January 31, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Noriyuki Komatsu, Masaki Ojima, Tomonori Mori, Daisuke Abe, Tadayuki Tsuda
  • Patent number: 11567441
    Abstract: An image forming apparatus includes at least one or more rotary members, a motor configured to drive the at least one or more rotary members, a detection unit configured to detect a current value flowing in the motor, and a display unit configured to display information on a state of the at least one or more rotary members. The current value is detected by the detection unit while the at least one or more rotary members are being driven by the motor. When the current value is a first value, information indicating that the at least one or more rotary members are in an abnormal state is not displayed on the display unit. When the current value is a second value larger than the first value, information indicating that the at least one or more rotary members are in the abnormal state is displayed on the display unit.
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: January 31, 2023
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Masatoshi Itoh
  • Patent number: 11561502
    Abstract: An image forming apparatus includes: a process cartridge; and an apparatus main body to which the process cartridge is attachable and from which the process cartridge is detachable. The process cartridge includes: a photoconductive drum, and an electrode connected to the photoconductive drum and having a contact surface facing downward. The apparatus main body includes: a support frame supporting one end portion of the process cartridge in an axis direction of the photoconductive drum, a ground metal plate supported by the support frame and connected to ground, and a spring supported by the support frame and configured to contact with the contact surface of the electrode from below to connect the electrode and the ground metal plate.
    Type: Grant
    Filed: August 10, 2021
    Date of Patent: January 24, 2023
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Kazuaki Ooka, Hikaru Iino
  • Patent number: 11561237
    Abstract: A circuit configured to sense an input analog signal generated by a sensor at a first frequency and to generate an output digital signal indicative of the sensed input analog signal. The circuit includes a conditioning circuit, an ADC, a feedback circuit, and a low-pass filter. The conditioning circuit is configured to receive the input analog signal and to generate a conditioned analog signal. The ADC is configured to provide a converted digital signal based on the conditioned analog signal. The feedback circuit includes a band-pass filter configured to selectively detect a periodic signal at a second frequency higher than the first frequency and to act on the conditioning circuit to counter variations of the periodic signal at the second frequency. The low-pass filter is configured to filter out the periodic signal from the converted digital signal to generate the output digital signal.
    Type: Grant
    Filed: November 11, 2021
    Date of Patent: January 24, 2023
    Assignee: STMicroelectronics S.r.l.
    Inventor: Marco Zamprogno
  • Patent number: 11561485
    Abstract: A developing apparatus for use in an image forming apparatus includes a developing frame, a rotatable developing member, a regulation blade to regulate developer borne on a developing member surface, and a seal member to prevent developer from leaking outside the developing frame. The regulation blade includes a support plate, a plate-shaped member, and a regulation member. The seal member is fixed to a facing surface of the plate-shaped member, is arranged at a plate-shaped member end portion, is arranged side by side with the regulation member in a rotational axis direction, contacts an end surface of the regulation member, and is disposed between the plate-shaped member and the developing member in a direction intersecting with the rotational axis direction. The plate-shaped member is welded to a region of the support plate excluding a region outside the end surface of the regulation member in the rotational axis direction.
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: January 24, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takuya Kawakami, Yu Fukasawa, Yuji Kawaguchi
  • Patent number: 11556080
    Abstract: An image forming system includes a toner container and an image forming apparatus, the toner container including a first toner containing portion, a container base portion having a discharge port for discharging toner, and a container shutter that is moved between open and closed positions and includes an engaged portion, wherein the image forming apparatus includes a main body base portion that detachably attaches the toner container and has a receiving port for receiving the toner and, a second toner containing portion, a movable member that is moved between first and second positions and includes an engaging portion that engages with the engaged portion, a regulating member that is moved between a regulation position and a regulation release position, and an urging member that urges the movable member to move from the first position to the second position when the regulating member is located at the regulation release position.
    Type: Grant
    Filed: November 24, 2021
    Date of Patent: January 17, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroyuki Munetsugu, Shohei Katsuya
  • Patent number: 11556088
    Abstract: An apparatus includes a developer container to and from which a replenishment container is attachable and detachable and which includes an accommodating portion and a replenishment port, a transfer portion configured to transfer a developer image on an image bearing member onto a recording material, a supporting tray including a supporting surface configured to support the recording material thereon, and a discharge portion configured to discharge the recording material, onto which the developer image has been transferred, on the supporting surface, wherein the supporting surface has an opening portion opening such that the replenishment port is exposed through the supporting surface, and wherein an opening/closing member configured to be movable between a closed position where the opening/closing member covers the replenishment port and serves as a part of the supporting surface and an open position where the replenishment port is exposed is provided.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: January 17, 2023
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Tomio Noguchi, Masaaki Sato, Kenji Matsuzaka, Koji Fujinaka, Takao Sameshima, Akitoshi Toyota, Yuichiro Inaba, Kenichi Iida
  • Patent number: 11536808
    Abstract: A light detection and ranging system includes at least one laser that emits a laser beam. A beam steering device steers beams emitted by the laser at a desired angle. A curved mirror reflects the steered beams at any desired angle or direction. A method of providing a light detection and ranging system is also provided.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: December 27, 2022
    Assignee: ZF ACTIVE SAFETY AND ELECTRONICS US LLC
    Inventors: Williamson S. Sy, Aaron M. Jefferson, Neil Das, Enervon Filipinas
  • Patent number: 11531301
    Abstract: A cartridge includes a photosensitive drum and a coupling member for transmitting a driving force to the photosensitive drum. A movable member is provided movable relative to a frame and a rotatable portion is supported by the movable member and rotatable relative to the movable member. A regulating member is movable between a regulating position for regulating movement of the movable member by contacting the rotatable portion and a non-regulating position where the regulating member does not regulate the movable member. A position of an end portion of the movable member in an axial direction of the photosensitive drum changes relative to the frame by movement of the movable member between a first position and a second position, and the end portion of the movable member is closer to the coupling member in the axial direction of the photosensitive drum when the movable member is in the second position than when the movable member is in the first position.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: December 20, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yukio Kubo, Masanari Morioka, Naoki Hayashi
  • Patent number: 11531296
    Abstract: An electronic apparatus includes a first electronic device, a second electronic device, a bundled wire configured to supply at least one of an electric signal and electric power between the first and the second electronic devices, a frame member, a bundled wire guide, and a plurality of holding portions disposed at different positions on the wiring path. Each of the plurality of the holding portions includes a hinge portion connected to an upper portion of one of the pair of the side wall portions, a cover portion connected to the storage portion via the hinge portion, and an engagement portion to secure the cover portion in a closed position. The frame member includes a groove portion to which the bundled wire guide is fitted, and the bundled wire guide with the bundled wire stored is fitted into the groove portion.
    Type: Grant
    Filed: May 7, 2020
    Date of Patent: December 20, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Wataru Murata
  • Patent number: 11526124
    Abstract: In an image forming apparatus, a tray unit to which a cartridge is detachably mounted, and that is configured to be capable of moving between an internal position situated within the apparatus main body and an external position situated outside, includes first and second side plates configured to support the cartridge, and they are each made of metal, and include a supporting portion and an outer side portion, the supporting portions includes positioning portions configured to come into contact with the cartridge to position the cartridge as to an image forming position. The apparatus main body includes first and second pressing members each capable of moving between pressing positions at which the cartridge is pressed, and separated positions separated from the cartridge. The first and second pressing members are disposed each intersecting with imaginary planes that is orthogonal to the longitudinal direction and intersect the positioning portions.
    Type: Grant
    Filed: August 9, 2021
    Date of Patent: December 13, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Takeo Kawanami, Kazuaki Nogami, Takehiro Hayashi, Kenji Watanabe, Shunsuke Hijikata
  • Patent number: 11526120
    Abstract: An image formation apparatus includes a development unit, a circuit board, a conduction member, a coil spring, and a holding member. The development unit develops an electrostatic image formed on a photoconductive drum. The circuit board supplies a voltage to the development unit. The conduction member electrically connects the development unit and the circuit board. The coil spring includes a coil part in contact with the conduction member and an arm part of the coil spring provided integrally with the coil part and extending from an end of the coil part outward in a radial direction with respect to the coil part. The holding member includes a spring regulation part to regulate movement of the coil spring in the radial direction. The holding member holds the coil spring in contact with the conduction member. The arm part includes a hook portion to engage with a portion of the holding member.
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: December 13, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventor: Yoshiaki Hara
  • Patent number: 11526095
    Abstract: An image forming apparatus includes an apparatus main body, an image carrier, a development device, a main body opening, and a guide rail. The main body opening is formed on an upper surface of the apparatus main body. The development device is movable along the guide rail between the main body opening and an attachment position. The development container has a container opening and a blocking member. The container opening is opened to a downstream side in an attachment direction of the development device. The blocking member is provided on the downstream side of the container opening in the attachment direction and stands upward from a lower end portion of the container opening. When the development container is disposed in a position where an inclination of the guide rail is largest, an inclination angle of the blocking member with respect to a horizontal plane is 80° to 130°.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: December 13, 2022
    Assignee: KYOCERA Document Solutions Inc.
    Inventor: Masakazu Uehara
  • Patent number: 11520282
    Abstract: A toner cartridge according to one embodiment includes a body having a reservoir for storing toner and a rotatable developer roll mounted on the body and in fluid communication with the reservoir. A portion of an outer surface of the developer roll is exposed along a front of the body for supplying toner from the reservoir to a corresponding photoconductive drum on an imaging unit when the toner cartridge is installed on the imaging unit in an operative position of the toner cartridge relative to the imaging unit. A first engagement member positioned on a rear of the body is configured to engage a corresponding second engagement member on the imaging unit when the toner cartridge is installed on the imaging unit to retain the toner cartridge in a storage position of the toner cartridge relative to the imaging unit with the developer roll spaced away from the photoconductive drum.
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: December 6, 2022
    Assignee: Lexmark International, Inc.
    Inventors: Gregory Alan Cavill, Randal Scott Williamson
  • Patent number: 11513459
    Abstract: A power supply apparatus to supply power to an image forming device, the power supply apparatus includes an amplifier to amplify an input AC power by a general amplification or a double amplification, a converter to receipt the input AC power amplified by the general amplification or the double amplification and output a DC power with a determined size. A controller control applying the general amplification or the double amplification to the converter, in response to an operating mode of the image forming device.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: November 29, 2022
    Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Sung Kyu Choi, An Sik Jeong
  • Patent number: 11513464
    Abstract: An image forming apparatus includes an apparatus body and a detachable unit to be attached to the apparatus body in an attachment direction and detached from the apparatus body in a detachment direction. The detachable unit includes a rotary body and a unit drive gear. The apparatus body includes an apparatus-body drive gear to engage with the unit drive gear of the detachable unit attached in the apparatus body, at an engageable position on a downstream side of the apparatus-body drive gear in the attachment direction. One or each of the unit drive gear and the apparatus-body drive gear moves to a retracted position at which the one or each of the unit drive gear and the apparatus-body drive gear does not engage with the other of the unit drive gear and the apparatus-body drive gear and does not interfere with attachment and detachment operations of the detachable unit.
    Type: Grant
    Filed: September 15, 2021
    Date of Patent: November 29, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventors: Yasunobu Shimizu, Hiroshi Hosokawa, Hiroshi Fujiwara, Kazuki Matsumoto
  • Patent number: 11513470
    Abstract: An image-forming apparatus includes: a toner cartridge configured to accommodate toner; a drum cartridge for use with the toner cartridge; and a controller. The drum cartridge includes a photosensitive drum, and a drum memory storing a first type information indicating a type of the drum cartridge. The controller is configured to communicate with the drum memory. The controller is configured to perform: reading the first type information from the drum memory; and changing an operation of the image-forming apparatus based on the type indicated by the first type information.
    Type: Grant
    Filed: September 3, 2021
    Date of Patent: November 29, 2022
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Takashi Suzuki, Shingo Fujiwara, Tadao Kyotani
  • Patent number: 11513467
    Abstract: A developing cartridge includes: a casing; a developing roller extending in a first direction; a boss movable with the casing; and a first lever movable relative to the casing. The first lever includes: one end portion functioning as a point of effort; another end portion functioning as a point of load; a shaft functions as a fulcrum and positioned between the one end portion and the another end portion; and a first hole into which the boss is fitted. By the one end portion receiving a driving force, the first lever is pivotally movable about the shaft. A dimension of the first hole in a second direction crossing the first direction is greater than a dimension in the second direction of the boss. In a case where the casing moves in the second direction relative to the first lever, the boss moves in the second direction within the first hole.
    Type: Grant
    Filed: January 6, 2022
    Date of Patent: November 29, 2022
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Shuhei Hatano
  • Patent number: 11513570
    Abstract: An image forming system includes an image forming unit, a housing having a top face, an operation unit freely placed on the housing top face, a touch panel, and a supporting base. The image forming unit forms an image on a sheet. The operation unit is freely placed on the housing top face and accepts a user operation for causing the image forming unit to execute image formation. The operation unit includes a touch panel having a display face on which information about the image formation is displayed and accepting touch operation performed by a user. The supporting base supports the touch panel so that an inclination angle of the display face inclined with respect to the housing top face becomes one of 5 degrees or more and 45 degrees or less when the operation unit is placed on the housing top face.
    Type: Grant
    Filed: March 12, 2021
    Date of Patent: November 29, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Hirohisa Sawada, Shingo Hattori