Patents Assigned to Canon Kabushiki Kaisha
  • Element substrate, liquid discharge head, and liquid discharge apparatus
    Patent number: 11975536
    Abstract: An element substrate including a liquid discharge element, comprising a memory element capable of storing individual information of the element substrate by a write, the memory element being configured to change an impedance value by the write, a plurality of current supply elements capable of supplying a current to the memory element, and a determination unit configured to determine presence/absence of the write based on a voltage generated in the memory element by the current selectively supplied from the plurality of current supply elements, wherein the plurality of current supply elements constitute a part of a current mirror circuit and each supply the current in an amount according to a size ratio to the memory element.
    Type: Grant
    Filed: February 11, 2022
    Date of Patent: May 7, 2024
    Assignee: Canon Kabushiki Kaisha
    Inventors: Toshio Negishi, Yasuhiro Soeda
  • Method and apparatus for encoding or decoding video data in FRUC mode with reduced memory accesses
    Patent number: 11979579
    Abstract: The present disclosure concerns a method and a device for encoding or decoding video data. It concerns more particularly the encoding according to a particular encoding mode using a decoder side motion vector derivation mode referenced as frame-rate up conversion mode or FRUC mode. It concerns encoding and decoding improvement which reduce the need for memory accesses when using an encoding mode where the motion information is predicted using a decoder side motion vector derivation method.
    Type: Grant
    Filed: February 2, 2023
    Date of Patent: May 7, 2024
    Assignee: Canon Kabushiki Kaisha
    Inventors: Guillaume Laroche, Patrice Onno, Jonathan Taquet, Christophe Gisquet
  • Sound processing apparatus, sound processing method, and storage medium
    Patent number: 11979678
    Abstract: A sound processing apparatus includes a reception unit configured to receive information including a timecode and a playback speed of video data, an acquisition unit configured to acquire, from a storage unit configured to store a sound signal, sample data obtained by dividing the sound signal, the sample data corresponding to the timecode included in the information received by the reception unit, and an output unit configured to output data obtained by associating the playback speed included in the information received by the reception unit with the sample data acquired by the acquisition unit.
    Type: Grant
    Filed: October 26, 2021
    Date of Patent: May 7, 2024
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Masanobu Funakoshi
  • Optical system and image pickup apparatus having the same
    Patent number: 11977323
    Abstract: An optical system includes first and second lens units configured to move to have a component of direction perpendicular to an optical axis, in which a sign of an amount of movement of the lens units is defined as negative for a moving direction of the first lens unit and as positive for an opposite direction to the moving direction of the first lens unit, a product of an amount of movement and a focal length of the first lens unit and a product of an amount of movement and a focal length of the second lens unit are different from each other in sign, and Petzval sums of the first and second lens unit, a focal length of the optical system, and a back focus of the optical system are set.
    Type: Grant
    Filed: November 11, 2021
    Date of Patent: May 7, 2024
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Yuki Matsuba
  • Image forming apparatus including exposure head provided with plurality of light emitting chips
    Patent number: 11977342
    Abstract: An image forming apparatus includes a light emitting chip and at least one processor. The light emitting chip includes a plurality of light emitting elements, a DAC outputting a voltage corresponding to a setting value, and a circuit unit that supplies a current to the plurality of light emitting elements based on the voltage. At least one processor is configured to set the setting value such that one light emitting element included among the plurality of light emitting elements emits light of a predetermined amount, and correct image data pieces that respectively correspond to the plurality of light emitting elements based on first correction data for correcting amounts of light respectively emitted by the plurality of light emitting elements. The circuit unit supplies a current to each of the plurality of light emitting elements based on the corrected image data pieces.
    Type: Grant
    Filed: March 10, 2023
    Date of Patent: May 7, 2024
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Yasutomo Furuta
  • Image forming apparatus and image forming system
    Patent number: 11977344
    Abstract: An image forming apparatus to which a toner container is detachably mountable includes a mounting portion to which the toner container is detachably mountable and which includes a receiving port for receiving toner supplied from the toner container, a passage for permitting passing of the toner received through the receiving port and provided with a through hole, and a filter portion provided so as to cover the through hole and for permitting passing of air; and an accommodating portion configured to accommodate the toner received through the receiving port. At least a part of the through hole overlaps with the receiving port as viewed in a horizontal direction perpendicular to a direction of gravitation.
    Type: Grant
    Filed: August 29, 2022
    Date of Patent: May 7, 2024
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Shinjiro Toba, Hiroshi Takarada, Hiroyuki Munetsugu, Goshi Ozaki, Sohta Sugimoto, Mitsuhiro Sato, Shinichi Nishida, Yuichi Fukui, Yukio Kubo
  • Image forming system
    Patent number: 11977348
    Abstract: An image forming system includes an image forming apparatus configured to form a toner image on a recording material, a varnish application apparatus configured to apply a varnish to the recording material, and a control unit. The control unit is configured to apply a first application amount of varnish to the recording material per unit area in a case of executing the image forming job for forming a varnish layer on a recording material having a first grammage, and is configured to apply a second application amount of varnish to the recording material per unit area in a case of executing the image forming job for forming the varnish layer on a recording material having a second grammage lower than the first grammage, the second application amount being higher than the first application amount.
    Type: Grant
    Filed: October 18, 2022
    Date of Patent: May 7, 2024
    Assignee: Canon Kabushiki Kaisha
    Inventor: Kenichiro Kitajima
  • Image display apparatus
    Patent number: 11977228
    Abstract: The image display apparatus includes an image capturing optical system, an image sensor, a display element, and an ocular optical system. An optical axis of the image capturing optical system and an optical axis of the ocular optical system are located on a same straight line. An image capturing view angle of the image capturing optical system is larger than a display view angle of the ocular optical system. The display element is configured to display, of an image generated by using a signal from the image sensor, an area corresponding to the display view angle. When d represents a distance between a position of an entrance pupil of the image capturing optical system and a position of the exit pupil of the ocular optical system, the condition of 20 mm?d?60 mm is satisfied.
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: May 7, 2024
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Akihito Taketani, Masakazu Tohara
  • Electronic device and control method
    Patent number: 11977618
    Abstract: An electronic device having a cable includes a storage unit and a communication unit. The storage unit stores first authentication information used for an authentication communication directed to the electronic device and second authentication information used for an authentication communication directed to the cable. The communication unit is capable of responding to an authentication communication directed to the electronic device and is also capable of responding to an authentication communication directed to the cable.
    Type: Grant
    Filed: November 19, 2021
    Date of Patent: May 7, 2024
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Hiroshi Moritomo
  • Apparatus, method for controlling apparatus, storage medium, and printing apparatus, with increase in number of dots from first dot pattern to third dot pattern being larger or smaller than increase in number of dots from second dot pattern to fourth dot pattern
    Patent number: 11977793
    Abstract: The present disclosure aims to provide a high quality image without conspicuous graininess and density unevenness. An embodiment of the present invention is an apparatus for printing a plurality of dot patterns on a printing medium, the dot patterns being formed by substantially same color and substantially same dot diameter, the apparatus including: a first creation unit configured to create, based on a first tone value, a first dot pattern and a second dot pattern printed and superimposed on the first dot pattern; and a second creation unit configured to create, based on a second tone value larger than the first tone value, a third dot pattern having an equal or larger number of dots compared to the first dot pattern and a fourth dot pattern printed and superimposed on the third dot pattern and having an equal or larger number of dots compared to the second dot pattern.
    Type: Grant
    Filed: January 17, 2023
    Date of Patent: May 7, 2024
    Assignee: Canon Kabushiki Kaisha
    Inventor: Hirokazu Tanaka
  • Printing apparatus, control method, and storage medium for storing program and executing an identified alternative processing
    Patent number: 11977795
    Abstract: A printing apparatus includes a first discharge unit to discharge a printing medium on which printing has been performed, and a second discharge unit to discharge a printing medium on which printing has been performed. A determination unit, in a case where the first discharge unit is instructed to be a discharge destination of a printing medium, determines whether to discharge the printing medium from the first discharge unit based on a predetermined condition. An identification unit, in a case where the determination unit determines not to discharge the printing medium from the first discharge unit, identifies alternative processing previously instructed by a user. An execution unit executes the alternative processing identified by the identification unit.
    Type: Grant
    Filed: April 18, 2023
    Date of Patent: May 7, 2024
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Takahiro Okubo
  • Server apparatus that controls print job and provides status information on the print job, control method therefor, and storage medium storing control program therefor
    Patent number: 11977800
    Abstract: A server apparatus that is capable of notifying a user of an execution situation of a print job input to an image forming apparatus from an external apparatus. The server apparatus notifies an application of a communication terminal of information about a print job executed by an image forming apparatus. The server apparatus includes an obtainment unit that obtains status information about a print job that is input to the image forming apparatus from an external apparatus, and a controller that displays a message based on the status information on a display unit of the communication terminal. The controller displays a message, which shows that a predetermined print job cannot be executed because another print job is under execution, in a case where the predetermined print job is input to the image forming apparatus and the image forming apparatus is executing the other print job.
    Type: Grant
    Filed: February 6, 2023
    Date of Patent: May 7, 2024
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Noritsugu Okayama
  • Image processing apparatus, control method, and storage medium
    Patent number: 11977801
    Abstract: An image processing apparatus stores held print jobs on a storage apparatus, displays a list of the held print jobs that have been stored on the storage apparatus, and performs a display according to a state of the storage apparatus when displaying the list.
    Type: Grant
    Filed: July 12, 2023
    Date of Patent: May 7, 2024
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Hiroaki Kobayashi
  • Image processing system, image forming apparatus, method of controlling image forming apparatus, and storage medium that determine, from a scanned image, an undesirable area of undesired object
    Patent number: 11979522
    Abstract: An image processing system capable of preventing resubmission of a scanned image from being required due to an undesired object which obstructs visibility. The image processing system includes a scanned image generation unit configured to read an original and generate a scanned image of the read original, and submits an image to a management server. A continuous pixel area which includes a plurality of pixels whose pixel values are higher than a predetermined density threshold value and has an area size equal to or larger than a predetermined value is identified from a scanned image. Whether or not the identified continuous pixel area is an area of an undesired object which obstructs visibility is determined. A continuous pixel area determined as the area of an undesired object is notified to a user before the scanned image is submitted to the management server.
    Type: Grant
    Filed: March 22, 2023
    Date of Patent: May 7, 2024
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Naoki Maruyama
  • Storage medium, image processing method, and image processing apparatus
    Patent number: 11979523
    Abstract: An object of the present disclosure is to create an album layout in accordance with the actual time-series in a case the time-series of the images used in the model album and the time-series of the candidate images used in the album to be created are different. One embodiment of the present invention is a non-transitory computer readable storage medium storing a program for causing a computer to function as: an acquisition unit configured to acquire a plurality of candidate image; and a selection unit configured to select, based on analysis results of each of a plurality of model images used in a model album and analysis results of each of the candidate images, similar images each of which has a degree of similarity to any one of the model images higher than a predetermined value, from among the plurality of candidate images.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: May 7, 2024
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Jumpei Takeichi, Hiroyasu Kunieda, Takayuki Yamada
  • Method and apparatus for encoding or decoding video data in FRUC mode with reduced memory accesses
    Patent number: 11979578
    Abstract: The present disclosure concerns a method and a device for encoding or decoding video data. It concerns more particularly the encoding according to a particular encoding mode using a decoder side motion vector derivation mode referenced as frame-rate up conversion mode or FRUC mode. It concerns encoding and decoding improvement which reduce the need for memory accesses when using an encoding mode where the motion information is predicted using a decoder side motion vector derivation method.
    Type: Grant
    Filed: February 2, 2023
    Date of Patent: May 7, 2024
    Assignee: Canon Kabushiki Kaisha
    Inventors: Guillaume Laroche, Patrice Onno, Jonathan Taquet, Christophe Gisquet
  • Technique for switching rotational speed of plurality of rotating members
    Patent number: 11970359
    Abstract: A sheet conveying apparatus may comprise a first conveying roller configured to convey a sheet and a second conveying roller disposed on a downstream side of the first conveying roller in a conveyance direction of the sheet. In a case where the second conveying roller rotates at a first speed by a driving force being transmitted to the second conveying roller, the first conveying roller rotates by being driven with respect to the second conveying roller. In a case where the second conveying roller rotates at a second speed faster than the first speed by the driving force being transmitted to the second conveying roller, the first conveying roller rotates at the second speed.
    Type: Grant
    Filed: February 11, 2022
    Date of Patent: April 30, 2024
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Satoshi Tsuda, Takashi Yano
  • Compound, ink, resist composition for color filter, sheet for heat-sensitive transfer recording, and toner
    Patent number: 11970438
    Abstract: There is provided a compound having a structure represented by the following Formula (1), in Formula (1), R1 and R2 each independently represent a phenyl group having a substituent or an unsubstituted phenyl group, R3 and R4 each independently represent a C2-C12 alkyl group having a substituent or an unsubstituted C2-C12 alkyl group, a cyano group, a trifluoromethyl group, or a halogen atom, R5 and R6 each independently represent a hydrogen atom or an alkyl group, R7 represents a phenyl group having a substituent, an unsubstituted phenyl group, or a heteroaromatic group having a specific structure, and X? represents an anion, and in a case where at least one anionic substituent is included in a molecule, X? may not be present.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: April 30, 2024
    Assignee: Canon Kabushiki Kaisha
    Inventors: Ai Hayakawa, Koromo Shirota, Taichi Shintou, Tsuyoshi Santo
  • Information processing apparatus with automatic detection and interruption of defective image forming operations
    Patent number: 11972314
    Abstract: An information processing apparatus, which communicates with an image forming apparatus and a reader, including: a display; and a controller configured to: obtain read image data output from the reader; determine an error of the read image data based on the read image data and reference data; cancel image forming operation of the image forming apparatus in a case where the error is determined in succession a predetermined number of times; cancel reading operation of the reader in the case where the error is determined in succession the predetermined number of times; notify, on the display, the cancellation of the image forming operation and the reading operation in the case where the error is determined in succession the predetermined number of times; and receive a user's instruction information about the predetermined number of times.
    Type: Grant
    Filed: July 10, 2023
    Date of Patent: April 30, 2024
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tatsuomi Murayama, Isami Itoh, Sumito Tanaka, Sho Ikemoto
  • Information processing apparatus, control method therefor and storage medium
    Patent number: 11972160
    Abstract: Convenience and security of an information processing apparatus including a USB host interface in a case where network connection is established via a USB-LAN adapter are improved. The information processing apparatus includes a plurality of external USB ports to which USB compatible network adapters are connected. The information processing apparatus performs a predetermined notification in response to a number of the network adapters connected to the information processing apparatus via the external USB ports having reached a predetermined upper limit.
    Type: Grant
    Filed: December 20, 2022
    Date of Patent: April 30, 2024
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Ryuji Nagahara