Patents Assigned to PFU Limited
  • Patent number: 11288786
    Abstract: To improve the efficiency of work for checking an image obtained by imaging by a user, an information processing device acquires a plurality of images obtained by imaging a plurality of subjects, determines, for each of the plurality of images, a certainty factor with which the image has a predetermined attribute, determines, for each of the plurality of images, whether the certainty factor is less than a predetermined reference, and notifies a user of an image of which the certainty factor is determined to be less than the predetermined reference.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: March 29, 2022
    Assignee: PFU LIMITED
    Inventors: Tomoaki Wada, Hiroaki Kawanobe
  • Patent number: 11283953
    Abstract: The image reading apparatus includes a separation roller, an imaging device to generate an input image, a conveyance roller to convey the medium separated by the separation roller to the imaging device, a first medium sensor located between the separation roller and the conveyance roller, a second medium sensor located between the conveyance roller and the imaging device, a processor to start imaging by the imaging device in response to detection of the medium by the first medium sensor and generate a cutout image from the input image in response to detection of the medium by the second medium sensor, and an output device to output the cutout image. The processor generates the cutout image based on a position imaged by a predetermined amount before a position imaged at a timing when the second medium sensor detects the medium, in the input image.
    Type: Grant
    Filed: April 21, 2020
    Date of Patent: March 22, 2022
    Assignee: PFU LIMITED
    Inventors: Tomohiro Murakami, Hiroyuki Kitano
  • Patent number: 11261044
    Abstract: A medium conveying apparatus includes an imaging device to image a medium and configured to move in a moving direction, a roller configured to move in the moving direction, on an upstream side of the imaging device, a conveyance guide provided with the imaging device to move the imaging device, wherein the conveyance guide includes a slope for coming into contact with the medium, an engaging member provided with the imaging device to move the imaging device, and a moving member to move the imaging device by engaging with the engaging member in conjunction with a movement of the roller. The engaging member and the moving member are configured to be separated at a distance from one another when the medium is not conveyed. The moving member moves the imaging device by engaging with the engaging member only when the medium has a thickness greater than the distance.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: March 1, 2022
    Assignee: PFU LIMITED
    Inventors: Yuki Takato, Hirotoshi Kakuda
  • Patent number: 11258913
    Abstract: A medium conveying apparatus includes a processor to detect edge pixel from a first line image and a second line image, select a first surface or a second surface of the medium, based on the number of the detected edge pixels, a comparison between a gradation value of each of the detected edge pixels and a gradation value of a peripheral pixel of each of the detected edge pixels, or a variation of gradation values of pixels within a predetermined distance from each of the detected edge pixels or the peripheral pixel of each of the detected edge pixels, estimate a shape of the medium based on a line image acquired by imaging the selected surface, and control a conveying roller or cut out a medium image from the first line image and the second line image and output the medium image, based on the estimated shape.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: February 22, 2022
    Assignee: PFU LIMITED
    Inventor: Masaaki Sakai
  • Patent number: 11247861
    Abstract: A medium conveying apparatus includes a conveyance roller to convey a medium, a motor to drive the conveyance roller, a signal generator to output a pulse signal, a pulse width of which changes according to a rotation speed of the motor, and a processor to rotate the conveyance roller by controlling the motor, and detect a fluctuation of the pulse width caused by a load fluctuation when the conveyance roller conveys a medium to determine a thickness of the medium according to the pulse width.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: February 15, 2022
    Assignee: PFU LIMITED
    Inventors: Yuta Arai, Shingo Kanaya
  • Patent number: 11228691
    Abstract: In an image processing system, an image reading apparatus determines whether an error occurs on a read image that is an image read by an image sensor, and generates and transmits data including the read image and error information that is information indicating presence or absence of occurrence of the error, and an image processing apparatus receives the data and performs, on the read image, image processing corresponding to the presence or absence of occurrence of the error, based on the error information.
    Type: Grant
    Filed: December 16, 2020
    Date of Patent: January 18, 2022
    Assignee: PFU LIMITED
    Inventors: Akiko Watanabe, Naofumi Kado
  • Patent number: 11221988
    Abstract: The present invention provides a file management device that makes it possible to assign a file name according to a user's preference. There is provided a file management device includes: a memory; and a processor coupled to the memory and the processor configured to: presume a naming rule of the file names based on file names of data files present in a folder; register the naming rule, presumed by the rule presuming section, in a rule storages section in association with the folder; and assign a file name to a data file according to a naming rule associated with a folder in which the data file is present among the naming rules stored in the rule storage section.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: January 11, 2022
    Assignee: PFU LIMITED
    Inventors: Marika Kaneko, Tomohiro Yamazaki
  • Patent number: 11220407
    Abstract: A medium conveyance device includes a guiding member that is movably supported on a frame, a pick roller that is rotatably supported on the guiding member and that rotates to feed a medium that is placed on a tray to a feed roller, and a joint unit that transmits a rotation force from a drive shaft to the pick roller.
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: January 11, 2022
    Assignee: PFU LIMITED
    Inventor: Shuichi Morikawa
  • Patent number: 11218613
    Abstract: A medium conveying apparatus includes a conveyance roller to convey a medium, an imaging sensor to sequentially generate a line image acquired by imaging the medium conveyed by the conveyance roller, a processor to detect an inclination of the conveyed medium based on at least two first pixels in the line image, determine whether a part of the conveyed medium has passed through a position corresponding to a second pixel located outside the first pixels based on the line image, and stop conveyance of the medium by the conveyance roller when the detected inclination is equal to or greater than a threshold value and the processor determines that a part of the medium has passed through the position corresponding to the second pixel.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: January 4, 2022
    Assignee: PFU LIMITED
    Inventor: Takumi Ito
  • Patent number: 11208279
    Abstract: A medium conveying apparatus includes a plurality of feed rollers, each feed roller rotating independently at a respective speed to feed a medium, a first sensor located on a downstream side of the plurality of feed rollers in a medium conveying direction and also in a central part in a direction perpendicular to the medium conveying direction, to detect the medium, a second sensor and a third sensor located on both sides of the first sensor in the direction perpendicular to the medium conveying direction, to respectively detect the medium, and a processor to change the speed of one of the plurality of feed rollers at least until the first sensor detects the medium when any of the second sensor or the third sensor detects the medium and the first sensor does not detect the medium within a predetermined time.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: December 28, 2021
    Assignee: PFU LIMITED
    Inventors: Takayuki Umi, Shigeharu Okano
  • Publication number: 20210390326
    Abstract: An information processing system, which determines a partial area used in an erectness determination which determines whether a determination target image is erect based on a determination feature in the partial area in an image having a predetermined format and a position of the partial area in a state in which the image having the predetermined format is erect, includes processor to receive input of a plurality of learning images having the predetermined format, extract area common to the plurality of learning images in an erect state as a candidate for the partial area, determine common area reliability indicative of a degree to which the candidate for the partial area is suitable as the partial area used in the erectness determination, and determine the partial area used in the erectness determination from the candidate for the partial area, based on the common area reliability.
    Type: Application
    Filed: April 26, 2021
    Publication date: December 16, 2021
    Applicant: PFU LIMITED
    Inventors: Katsuhiro Hattori, Yutaka Harano, Tomoaki Wada, Ken Yanai
  • Patent number: 11201983
    Abstract: An image reading apparatus includes a first processor to control a communication device to receive a plurality of screen data divided into a plurality of layers from an information processing apparatus, and store the received plurality of screen data in a storage device, and a second processor to control a reading device to read an image from the medium and display a screen based on the plurality of screen data on the display device. The second processor transmits a request signal to the first processor when, while a screen based on screen data of a first predetermined layer among the plurality of screen data is displayed on the display device, displaying a screen based on screen data of a second predetermined layer is requested. The first processor reads the screen data of the second predetermined layer to transmit the screen data to the second processor based on the request signal.
    Type: Grant
    Filed: February 10, 2021
    Date of Patent: December 14, 2021
    Assignee: PFU LIMITED
    Inventors: Hyuma Morita, Minami Nagasawa
  • Patent number: 11180332
    Abstract: A medium conveying apparatus includes a first roller, a second roller located to face the first roller, to hold and convey a medium with the first roller, a drive shaft to rotate the second roller, a motor to rotate the drive shaft, and a joint to connect the second roller and the drive shaft. The joint is configured to keep connecting the second roller and the drive shaft when the second roller moves in a vertical direction. The drive shaft is located at an intermediate position between a first position where the second roller is in contact with the first roller and a second position where the second roller separates most from the first roller in the vertical direction. A distance between the second position and the intermediate position is greater than a radius on cross section of the second roller in the vertical direction.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: November 23, 2021
    Assignee: PFU LIMITED
    Inventor: Hiroshi Shiraiwa
  • Patent number: 11184496
    Abstract: An image reading apparatus includes a first holding member that is provided with a first holding surface opposed to a placement surface, a second holding member that is provided with a second holding surface opposed to the placement surface, a guide member that is disposed on a front side of the first holding member and the second holding member, and an imaging unit that capture a medium placed on the placement surface, wherein the guide member is provided with a guide surface coupled to the first holding surface and the second holding surface and is disposed such that a distance from the placement surface to a first portion of the guide surface is smaller than a distance from the placement surface to a second portion of the guide surface disposed closer to the front side than the first portion.
    Type: Grant
    Filed: January 25, 2021
    Date of Patent: November 23, 2021
    Assignee: PFU LIMITED
    Inventors: Shinya Orita, Masaya Takamori
  • Patent number: 11182343
    Abstract: There is provided a file management device includes: a memory; and a processor coupled to the memory and the processor configured to determine a naming rule for a file name to be assigned to an electronic file for a document, based on a format of the document; and determine the file name by using a character string included in the electronic file in accordance with the determined naming rule. The processor is further configured to store, with respect to an existing electronic file, naming rules relating to documents having a common format, in association with the format; and select, for an electronic file for a newly input document, a naming rule to be applied, from among the stored naming rules, based on a format of the electronic file.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: November 23, 2021
    Assignee: PFU LIMITED
    Inventor: Akifumi Takahashi
  • Patent number: 11178301
    Abstract: In a medium conveying device, a projector projects light, a projection light amount of the light changes, at every fixed time, to a first projection light amount and a second projection light amount less than the first projection light amount, a receiver receives the light projected from the projector, a processor determines, at fixed sampling timings, whether a reception light amount of the receiver is at a first reception light level or a second reception light level smaller than the first reception light level, determines, when the reception light amount alternately changes to the first reception light level and the second reception light level, that a medium is not present on a conveying path, and determines, when the reception light amount is fixed to either the first reception light level or the second reception light level, that the medium is present on the conveying path.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: November 16, 2021
    Assignee: PFU LIMITED
    Inventor: Kenichi Tamura
  • Publication number: 20210335006
    Abstract: An information processing apparatus includes a processor to store a determination feature in a predetermined partial area in an image having a predetermined format and a position of the partial area in a state in which the predetermined format image is erect, and determine whether a feature corresponding to the determination feature is present at a position in an at least one input determination target image corresponding to the position of the partial area in the predetermined format image to thereby determine whether the determination target image is erect.
    Type: Application
    Filed: April 14, 2021
    Publication date: October 28, 2021
    Applicant: PFU LIMITED
    Inventors: Katsuhiro Hattori, Tomoaki Wada, Ken Yanai
  • Patent number: 11148899
    Abstract: An image reading apparatus includes a reading device that reads an image on a document that is conveyed through a first conveying path, a switching guide that is supported so as to be able to rotate about a rotation axis, guides the document to a second conveying path by being disposed at a first position, and guides the document to a third conveying path by being disposed at a second position; and a roller that conveys the document to one of the second conveying path and the third conveying path after the reading device reads the document, wherein the second conveying path is arranged above a plane that is formed along the first conveying path, and the rotation axis is arranged below the plane and on an upstream side of a vertical plane that comes in contact with an edge of a downstream side of the roller.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: October 19, 2021
    Assignee: PFU LIMITED
    Inventor: Shuichi Morikawa
  • Patent number: 11151085
    Abstract: There is provided a file management device includes: a memory; and a processor coupled to the memory and the processor configured to determine a naming rule for a file name to be assigned to an electronic file for a document, based on a format of the document; and determine the file name by using a character string included in the electronic file in accordance with the determined naming rule. The processor is further configured to store, with respect to an existing electronic file, naming rules relating to documents having a common format, in association with the format; and select, for an electronic file for a newly input document, a naming rule to be applied, from among the stored naming rules, based on a format of the electronic file.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: October 19, 2021
    Assignee: PFU LIMITED
    Inventor: Akifumi Takahashi
  • Patent number: 11117772
    Abstract: A medium ejection apparatus includes an ejection roller pair configured to eject a medium, a driving device configured to rotate at least one roller of the ejection roller pair, a processor for detecting a size of the medium, and controlling the driving device to increase a rotation speed of the at least one roller to be higher than a previous rotation speed, from a predetermined timing after a rear edge of the medium passes through a nip position of the ejection roller pair. The processor changes the predetermined timing in accordance with the size of the medium.
    Type: Grant
    Filed: June 6, 2019
    Date of Patent: September 14, 2021
    Assignee: PFU LIMITED
    Inventor: Kazuhito Seki