Patents Assigned to PFU Limited
  • Patent number: 11960967
    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: Grant
    Filed: April 26, 2021
    Date of Patent: April 16, 2024
    Assignee: PFU LIMITED
    Inventors: Katsuhiro Hattori, Yutaka Harano, Tomoaki Wada, Ken Yanai
  • Patent number: 11960530
    Abstract: A file management device comprising a memory; and a processor coupled to the memory and the processor configured to stores a feature included in a data file and a tag provided to the data file in association with each other as a provision rule, adds a tag to a newly input data file based on the stored provision rule, and displays the stored provision rule. The processor is further configured to displays the provision rule in an editable state by using a character string.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: April 16, 2024
    Assignee: PFU LIMITED
    Inventors: Reiko Genno, Katsuhito Shimazaki
  • Patent number: 11952238
    Abstract: Provided are a multi-feed detection apparatus, a control method, and a control program to suitably determine whether or not the multi-feed detection apparatus returns a fed medium to a direction of a medium tray when multi-feed has occurred. A multi-feed detection apparatus includes an ultrasonic sensor to generate an ultrasonic signal, a multi-feed determination module to determine that feeding of the medium is normal when a signal value of the ultrasonic signal is equal to or more than a first threshold value, and determine that a multi-feed of the medium has occurred when the signal value of the ultrasonic signal is less than the first threshold value, and a control module to control the feed module to return the fed medium to a direction of the medium tray when the signal value of the ultrasonic signal is less than a second threshold value smaller than the first threshold value.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: April 9, 2024
    Assignee: PFU LIMITED
    Inventors: Kiichiro Shimosaka, Masaaki Sakai
  • Patent number: 11934767
    Abstract: An information processing apparatus includes a processor to image an object in accordance with an imaging setting made in advance to acquire a captured image, execute editing of the captured image according to a user instruction, and specify an imaging setting item that allows a captured image to be obtained for which at least a part of the executed editing is unnecessary.
    Type: Grant
    Filed: October 11, 2022
    Date of Patent: March 19, 2024
    Assignee: PFU LIMITED
    Inventors: Eisuke Tomono, Hiroaki Kawanobe, Tomohisa Maeda
  • Patent number: 11930137
    Abstract: An information processing apparatus includes an imaging device to image a medium, a communication device provided so as to communicate with a plurality of information processing apparatuses, and a processor to acquire a use state of the image reading apparatus, set an information processing apparatus capable of executing imaging control of the imaging device, and control the imaging device according to an instruction signal from the set information processing apparatus. The processor determines whether to set a second information processing apparatus as the information processing apparatus capable of executing the imaging control, based on the use state, when receiving a request signal of the imaging control from the second information processing apparatus in a state where a first information processing apparatus is set as the information processing apparatus capable of executing the imaging control.
    Type: Grant
    Filed: September 8, 2022
    Date of Patent: March 12, 2024
    Assignee: PFU LIMITED
    Inventor: Koji Hirohashi
  • Patent number: 11897724
    Abstract: A medium conveying apparatus includes a first conveying path, a second conveying path that is connected to the first conveying path, a third conveying path that is connected to the first conveying path and the second conveying path, and a skew corrector that blocks a first space between the first conveying path and the second conveying path when a medium conveyed along the first conveying path is skewed, and retreats from the first space when the medium is not skewed, wherein the skew corrector retreats from a second space between the second conveying path and the third conveying path when blocking the first space, and blocks the third space between the first conveying path and the third conveying path when retreating from the first space.
    Type: Grant
    Filed: September 1, 2021
    Date of Patent: February 13, 2024
    Assignee: PFU LIMITED
    Inventor: Shogo Yoshita
  • Patent number: 11891266
    Abstract: A medium conveying apparatus includes a conveying roller to convey a rectangular medium, and a processor to generate an input image acquired by imaging the conveyed medium, detect an overlap of the conveyed medium, detect an object area from the input image, determine whether an outer shape of the object area is rectangular, determine whether a multi-feed of the medium has occurred based on whether the overlap of the medium has been detected and whether the outer shape of the object area is rectangular, and execute an abnormality processing when it is determined that the multi-feed of the medium has occurred.
    Type: Grant
    Filed: January 18, 2022
    Date of Patent: February 6, 2024
    Assignee: PFU LIMITED
    Inventor: Masaaki Sakai
  • Patent number: 11884506
    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: November 22, 2021
    Date of Patent: January 30, 2024
    Assignee: PFU LIMITED
    Inventors: Takayuki Umi, Shigeharu Okano
  • Patent number: 11866290
    Abstract: A medium conveying apparatus includes a conveyance roller to convey a medium, an imaging device to image the medium, a DC motor to drive the conveyance roller, a processor to detect that a front end of the medium reaches between the conveyance roller and the imaging device, set a current limit value of the DC motor to a first limit value until the front end of the medium reaches between the conveyance roller and the imaging device, and change the current limit value to a second limit value larger than the first limit value after the front end of the medium has reached between the conveyance roller and the imaging device, and drive the conveyance roller by rotating the DC motor based on the second limit value when the imaging device performs imaging.
    Type: Grant
    Filed: July 6, 2021
    Date of Patent: January 9, 2024
    Assignee: PFU LIMITED
    Inventor: Yuta Arai
  • Patent number: 11866276
    Abstract: A medium conveying apparatus includes a main body, a placement board that is movably supported by the main body, an extension member that is movably supported by the placement board, a lever that is movably supported by the placement board, and a mechanism that moves the extension member to a contraction position when the lever is located at a protrusion position, and moves the extension member to an expansion position when the lever is located at a pushed position, wherein the lever is away from an abutting portion fixed to the main body when the placement board is located between a storage position and a midway position, and the lever comes into contact with the abutting portion and moves toward the pushed position when the placement board is located between a unfolding position and the midway position and when the placement board moves toward the unfolding position.
    Type: Grant
    Filed: January 4, 2022
    Date of Patent: January 9, 2024
    Assignee: PFU LIMITED
    Inventor: Eiki Yamada
  • Patent number: 11866291
    Abstract: A medium conveying apparatus includes a pick roller feeding a medium, a separation roller placed on a downstream side of the pick roller in a conveying direction of a medium, an arrival detection sensor placed on a downstream side of the separation roller in the conveying direction and detecting arrival of a medium, a lift sensor detecting a lift of a medium between an upstream side of a roller nip of the pick roller and a downstream side of a roller nip of the separation roller, and a processor. The processor determines that a medium is a bound medium when a lift of a medium is detected by the lift sensor in a first predetermined period after detection of a front edge of a medium in a conveying direction by the arrival detection sensor, and executes abnormality processing when a medium is determined to be a bound medium.
    Type: Grant
    Filed: February 11, 2022
    Date of Patent: January 9, 2024
    Assignee: PFU LIMITED
    Inventor: Takumi Ito
  • Patent number: 11866280
    Abstract: A document feeder includes a document placement member that has a placement surface, a sucker that has a suction surface on which a part of a document placed on the placement surface is sucked and sucks air from a space formed between the document placement member and the suction surface, a blower that blows air into the space, and a paper feeder that conveys the document in a conveyance direction along the placement surface, wherein the suction surface is inclined relative to the placement surface such that the space is narrower toward the upstream side in the conveyance direction.
    Type: Grant
    Filed: February 19, 2021
    Date of Patent: January 9, 2024
    Assignee: PFU LIMITED
    Inventor: Yoshito Hirai
  • Patent number: 11856170
    Abstract: Provided are a medium conveyance apparatus, control method, and control program is to enable more precisely detecting an end part in a main scan direction of a medium from an image. A medium conveyance apparatus includes a conveying module to convey a medium, an imaging device to capture an image of the conveyed medium, a storage device to store a low reliability region inside an input image of a medium captured by the imaging device based on a positional relationship between an imaging position of the imaging device and arrangement position of the conveying module, an edge pixel detection module to detect edge pixels from the input image, an end part detection module to detect an end part in a main scan direction of the medium based on edge pixels detected from a region not including the low reliability region inside the input image, and an output control module to output information relating to the detected end part.
    Type: Grant
    Filed: October 12, 2020
    Date of Patent: December 26, 2023
    Assignee: PFU LIMITED
    Inventor: Masaaki Sakai
  • Patent number: 11853844
    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: Grant
    Filed: April 14, 2021
    Date of Patent: December 26, 2023
    Assignee: PFU LIMITED
    Inventors: Katsuhiro Hattori, Tomoaki Wada, Ken Yanai
  • Patent number: 11834285
    Abstract: A medium conveying apparatus includes an imaging unit provided to be movable in a direction perpendicular to a conveying surface for conveying a medium, to image the medium, a roller pair provided on an upstream side of the imaging unit in a medium conveying direction, the roller pair including a first roller provided to be movable in a direction perpendicular to the conveying surface, and a second roller facing the first roller, and a conveyance guide provided on a rotation shaft of the first roller, to move in conjunction with a movement of the first roller. The conveyance guide includes a guide surface extending at least from a downstream end portion of a nip portion of the roller pair to an upstream end portion of the imaging unit in the medium conveying direction and being flush with a lower surface of the imaging unit.
    Type: Grant
    Filed: October 14, 2021
    Date of Patent: December 5, 2023
    Assignee: PFU LIMITED
    Inventors: Tomofumi Kumahashi, Seiki Awazu, Takayuki Mori
  • Patent number: 11834291
    Abstract: A medium conveying apparatus includes a medium tray, a feed roller to feed media placed on the medium tray in order from the lower side, a brake roller located to face the feed roller, a torque limiter to control a load applied to the brake roller, and a changing member to change a limit value of a torque of the torque limiter according to a height of the media placed on the medium tray.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: December 5, 2023
    Assignee: PFU LIMITED
    Inventors: Takayuki Umi, Ryoichi Yasukawa
  • Patent number: 11831840
    Abstract: An information processing apparatus includes a storage device to store, for a plurality of sample media, for each of a plurality of applications, setting information relating to imaging of a medium or an image processing, and image information relating to a sample image generated according to the setting information, a communication device, and a processor to receive an input image from an image reading apparatus via the communication device, extract a predetermined number of sample media in a descending order of a similarity between a corresponding sample image and the input image, from among the plurality of sample media, based on the image information, identify the setting information for each of the plurality of applications for each of the extracted predetermined number of sample media, and output the identified setting information for each of the plurality of applications.
    Type: Grant
    Filed: June 15, 2022
    Date of Patent: November 28, 2023
    Assignee: PFU LIMITED
    Inventors: Yuki Morita, Sosuke Takeshita, Kaho Onoue
  • Patent number: 11827482
    Abstract: A medium conveying apparatus includes a pair of conveyance rollers including a first roller and a second roller facing the first roller on an upward side of the first roller, to convey a medium between the first roller and the second roller, and a pair of guides including a lower guide located on an upstream side of the pair of conveyance rollers in a medium conveying direction and an upper guide facing the lower guide, to guide the medium to the pair of conveyance rollers. The upper guide is movably located upwardly according to a conveyance of the medium and the lower guide is movably located downwardly according to the conveyance of the medium so that a space between the pair of guides is changed according to the medium.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: November 28, 2023
    Assignee: PFU LIMITED
    Inventors: Kiichiro Shimosaka, Hirotoshi Kakuda
  • Patent number: 11820624
    Abstract: A medium conveying apparatus includes a conveying roller to convey a medium, an overlap detection sensor, a processor to detect an overlap portion in which it is determined that an overlap has occurred on the medium based on a detection output by the overlap detection sensor for the medium conveyed by the conveying roller, calculate an overlap length where the overlap portion is continuous based on a detection result of the overlap portion, determine whether a multi-feed has occurred based on the overlap length, and execute an abnormal processing for the multi-feed based on a determination result of the multi-feed. The processor determines that a first overlap portion and a second overlap portion are continuous when a distance between the first overlap portion and the second overlap portion is within a predetermined distance in calculating the overlap length.
    Type: Grant
    Filed: February 17, 2022
    Date of Patent: November 21, 2023
    Assignee: PFU LIMITED
    Inventor: Masaaki Sakai
  • Patent number: 11807489
    Abstract: A medium conveying apparatus includes a conveying roller to convey a medium, and a processor to detect transmission information of an ultrasonic wave transmitted through the medium or thickness information of the medium at a plurality of positions in the conveyed medium, calculate a size of an area in which the transmission information or the thickness information is within a predetermined range in the conveyed medium, determine whether a multi-feed of the medium has occurred, by comparing a value based on the transmission information or the thickness information with a threshold, and execute an abnormality processing when it is determined that the multi-feed of the medium has occurred. The processor changes the threshold according to the size.
    Type: Grant
    Filed: January 18, 2022
    Date of Patent: November 7, 2023
    Assignee: PFU LIMITED
    Inventor: Masaaki Sakai