Patents Assigned to PFU Limited
  • Patent number: 11115560
    Abstract: Provided are an image processing apparatus, a control method, and a control program for more accurately removing the background pattern from the image including the background pattern. An image processing apparatus includes an acquisition module to acquire an input image, a multi-valued image generating module to generate a multi-valued image from the input image, a binary image generating module to generate a binary image acquired by binarizing the input image, a detection module to detect a thin line having a width equal to or less than a predetermined number of pixels from the multi-valued image, a background pattern removal image generating module to generate a background pattern removal image in which the thin line is removed from the binary image, based on the thin line detected from the multi-valued image, and an output module to output the background pattern removal image or information generated using the background pattern removal image.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: September 7, 2021
    Assignee: PFU LIMITED
    Inventors: Keiji Honda, Kiyoto Kosaka
  • Patent number: 11097911
    Abstract: A medium conveyance device includes a body, a table in which a placement surface is formed and that is supported by the body movably to be arranged in a first area or a second area, a guide that is supported by the table movably to be arranged in a third area or a fourth area and that regulates move of an original that is placed on the table such that a height of the guide is lower when the guide is arranged in the fourth area than when the guide is arranged in the third area, and a mechanism that moves the guide along with move of the table such that the guide is arranged in the third area when the table is arranged in the first area and the guide is arranged in the fourth area when the table is arranged in the second area.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: August 24, 2021
    Assignee: PFU LIMITED
    Inventor: Shogo Yoshita
  • Patent number: 11067935
    Abstract: A medium conveying apparatus includes a plurality of feed rollers spaced in a direction perpendicular to a medium conveying direction, each of the feed rollers rotating independently at a respective speed to feed a medium, a plurality of brake rollers, each of the plurality of brake rollers being located to face a corresponding one of the plurality of feed rollers, a plurality of torque limiters separately provided between one of rotation shafts of the plurality of brake rollers and a corresponding one of the plurality of brake rollers, and a processor to detect a skew of the medium, and correct the skew of the medium by changing the speed of one of the plurality of feed rollers when the skew of the medium is detected.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: July 20, 2021
    Assignee: PFU LIMITED
    Inventors: Takayuki Umi, Shigeharu Okano
  • Patent number: 11050890
    Abstract: A medium conveying apparatus includes a conveyance roller to convey a medium, an imaging sensor, a backing member including an opposing surface, a motor to switch the backing member between an opposing position in which the opposing surface faces the imaging sensor and a non-opposing position in which the opposing surface is deviated from the opposing position, a medium sensor located on an upstream side of the imaging sensor in a medium conveying direction, and a processor to acquire a first image captured by locating the opposing surface in the opposing position and a second image captured by locating the opposing surface in the non-opposing position after a front end of the medium conveyed by the conveyance roller passes through a position of the medium sensor, and determine whether a conveyance abnormality of the medium has occurred based on the first image and the second image.
    Type: Grant
    Filed: October 28, 2020
    Date of Patent: June 29, 2021
    Assignee: PFU LIMITED
    Inventors: Hiroyuki Kitano, Ken Funaki, Tomoyuki Niwata
  • Patent number: 11050771
    Abstract: To detect a communication by a predetermined type of software, which disguises normal communication, an information processing apparatus includes: a communication data acquiring unit 21 configured to acquire communication data generated by a terminal connected to a network; a distribution calculating unit 24 configured to calculate distribution of attribute information of a plurality of communications with a same communication destination, based on the acquired communication data; and an estimating unit 25 configured to estimate whether a detected communication is a communication by a predetermined type of software by determining whether the calculated distribution satisfies a predetermined criterion.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: June 29, 2021
    Assignee: PFU LIMITED
    Inventors: Seigo Terada, Keiji Michine, Takashi Kobayashi
  • Publication number: 20210192319
    Abstract: An information processing apparatus performing operation of a convolutional neural network executes: determining a first bin width on the basis of a maximum value in a plurality of pieces of data represented in a floating point format; creating a bin range determination histogram by assigning each of the plurality of pieces of data to each bin on the basis of the first bin width; determining a bin range, within which a predetermined percentage or more of the plurality of pieces of data fall, by referring to the bin range determination histogram; determining a second bin width on the basis of the number of pieces of data in the bin range; and creating a reference histogram by assigning each of a plurality of pieces of data in the bin range to each bin on the basis of the second bin width.
    Type: Application
    Filed: March 4, 2021
    Publication date: June 24, 2021
    Applicant: PFU LIMITED
    Inventor: Yudai Asai
  • Patent number: 11032443
    Abstract: An image reading apparatus includes an imaging device for generating a white reference image of a white reference member and a document image of a document and a periphery of the document, and a processor for performing first processing for detecting a dirt substance from the white reference image, generating data for shading correction based on the white reference image, correcting the document image using the data for shading correction to generate a correction image, and performing second processing for detecting a dirt substance from the correction image. One of the first processing or the second processing is performed using a dirt substance detection result of the other one of the first processing or the second processing.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: June 8, 2021
    Assignee: PFU LIMITED
    Inventor: Shingo Kanaya
  • Patent number: 11008188
    Abstract: A medium conveying apparatus includes a conveyance guide that is supported by a frame so as to be able to be lifted and lowered, and guides a medium to a conveyance path by sliding along one surface of the medium, a conveyance roller that is rotatably supported by the frame, and conveys the medium by coming into contact with an other surface of the medium, the other surface being on the reverse side of the one surface, and a pinch roller that is supported by the frame so as to be able to be lifted and lowered, and presses the medium against the conveyance roller by coming into contact with the one surface of the medium, wherein the conveyance guide lifts or lowers the pinch roller relatively to the frame, by being lifted or lowered relatively to the frame.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: May 18, 2021
    Assignee: PFU LIMITED
    Inventor: Shuichi Morikawa
  • Patent number: 10994958
    Abstract: A fastening member detection device includes a contact structure that moves with respect to a medium while contacting the medium, a vibration detector that detects vibration that occur in the contact structure, and a controller that determines whether there is a fastening member that fastens the medium, based on the vibration.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: May 4, 2021
    Assignee: PFU LIMITED
    Inventors: Yuki Matsuda, Masaya Takamori, Shigeharu Okano
  • Patent number: 10981739
    Abstract: A medium conveyance device includes a drive roller that conveys an original in first direction, a guide in which a first surface and a second surface are formed, a slider in which a first point and a second point are formed, a pinch roller that is rotatably supported by a pinch shaft that is fixed to the slider and that pushes the original against the drive roller, and a sensor that measures a thickness of the original based on an amount of move of the slider in a second direction that is different from the first direction, wherein the first point slides on the first surface and the second point slides on the second surface and accordingly the slider is supported on the guide movably in the second direction, and a distance between the first point and the second point is longer than a diameter of the pinch shaft.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: April 20, 2021
    Assignee: PFU LIMITED
    Inventor: Shuichi Morikawa
  • Patent number: 10972627
    Abstract: An information processing apparatus comprising a memory; a non-volatile memory; and a processor coupled to the memory and the non-volatile memory, the processor configured to: store a rectification history for a result of character recognition processing in association with items and item values; compare, for the respective items, a newly input result of the character recognition processing with the item values stored in the non-volatile memory; select a set of the item values stored in the non-volatile memory based on a result of the comparison; and correct the newly input result of the character recognition processing by using the selected set of the item values.
    Type: Grant
    Filed: June 10, 2019
    Date of Patent: April 6, 2021
    Assignee: PFU LIMITED
    Inventors: Kentaro Kogawa, Katsuhito Shimazaki
  • Patent number: 10967493
    Abstract: A binding member removal apparatus includes a removal unit that removes a binding member that binds a bound medium from the bound medium, an image capturing unit that captures an image in which a portion of the bound medium appears, a driving unit that moves the removal unit, and a control unit that controls the driving unit such that the removal unit is disposed at a predetermined position with respect to the binding member, on the basis of the image.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: April 6, 2021
    Assignee: PFU LIMITED
    Inventors: Yuki Matsuda, Shigeharu Okano, Haruka Shimura
  • Patent number: 10970579
    Abstract: An image processing apparatus includes a storage device for storing a position of a predetermined region in an image conforming to a predetermined format, a processor for acquiring an input image including a character recognition target region, cutting out a region corresponding to the character recognition target region from the input image or an image generated from the input image to generate a corrected image in which the region is placed at the position of the predetermined region in the image conforming to the predetermined format, and detecting a character from the corrected image, and an output device for outputting information related to the detected character.
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: April 6, 2021
    Assignee: PFU LIMITED
    Inventors: Keiji Ohara, Tomoaki Wada
  • Patent number: 10951785
    Abstract: An image reading apparatus includes a first conveyance path, a second conveyance path, an insertion/discharge port, an image reader that reads an image on a medium conveyed along the first conveyance path, and a switch that is located at a first position or a second position, wherein the switch disconnects the first conveyance path from the second conveyance path and connects the insertion/discharge port and the first conveyance path when the switch is located at the first position, and disconnects the insertion/discharge port from the first conveyance path and connects the first conveyance path and the second conveyance path when the switch is located at the second position.
    Type: Grant
    Filed: February 4, 2020
    Date of Patent: March 16, 2021
    Assignee: PFU LIMITED
    Inventor: Kengo Kawata
  • Patent number: 10913629
    Abstract: A medium conveyance device includes a first loading base that has a first loading surface formed thereon and is movably supported on a main body, a second loading base that has a second loading surface formed thereon and is movably supported on the first loading base so that the second loading surface is positioned next to with the first loading surface and so that the second loading surface overlaps with the first loading surface, a mechanism that converts motion of the first loading base into motion of the second loading base so that the second loading base is arranged in a position corresponding to a position in which the first loading base is arranged, and an elastic member that is elastically deformed when the second loading base is not arranged in a position corresponding to a position in which the first loading base is arranged.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: February 9, 2021
    Assignee: PFU LIMITED
    Inventor: Shogo Yoshita
  • Patent number: 10893160
    Abstract: A multi-feed detection apparatus includes a conveyance roller, an ultrasonic sensor for generating an ultrasonic signal, an imaging device to image the medium being conveyed by the conveyance roller and sequentially generate a line image, and a processor to detect a width of the medium in each line image for each line image, detect a vertex count of a medium included in the sequentially generated line image based on the width of the media in the each line image, detect a length of the medium in a direction perpendicular to the medium width, estimate a shape of a medium based on the vertex count and the length of the medium, and detecting media multi-feed by comparing the ultrasonic signal with a predetermined threshold value, and change the predetermined threshold value or stop detection of the medium multi-feed, based on the estimated shape of the medium.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: January 12, 2021
    Assignee: PFU LIMITED
    Inventor: Masaaki Sakai
  • Patent number: 10884877
    Abstract: The present invention provides an information processing device comprising a memory; a non-volatile memory; and a processor coupled to the memory and the non-volatile memory, the processor configured to: store in the non-volatile memory a snapshot of the memory in a state where a part of an activation process is implemented; and implement the activation process by using the snapshot stored in the non-volatile memory. More specifically, store in the non-volatile memory a snapshot of the main memory in a state before feeding a program to the external memory in an activation process using the main memory and the external memory; and implement at least a process of feeding a program for an external memory to the external memory from the main memory.
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: January 5, 2021
    Assignee: PFU LIMITED
    Inventors: Osamu Miyakawa, Hitoshi Matsuo, Souichi Yoshida, Tadayoshi Kagawa, Ryou Matsuura
  • Patent number: 10885375
    Abstract: A mobile terminal includes a memory, and a processor coupled to the memory, wherein the processor is configured to execute first acquiring a frame obtained through photographing, second acquiring document image data of a document from the frame, first determining whether a form partial feature in a registered form and a document partial feature at a position corresponding to a position of the partial feature match, the document partial feature being in the document, and third acquiring a frame obtained through re-photographing when it is determined that the form partial feature and the document partial feature do not match.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: January 5, 2021
    Assignee: PFU LIMITED
    Inventors: Naoto Yamaguchi, Kiyoto Kosaka
  • Patent number: 10843890
    Abstract: A tray device includes a first tray including a first surface and an abutting portion, and a second tray including a second surface and an abutted portion. The second tray is configured to move with respect to the first tray. The abutting portion includes two abutting surfaces located obliquely with respect to an extending direction of the first surface. The abutted portion includes two abutted surfaces located obliquely with respect to an extending direction of the second surface. A difference between an angle formed by each of the two abutting surfaces and the extending direction of the first surface and an angle formed by each of the two abutted surfaces and the extending direction of the second surface is set larger than a maximum angular difference between the extending direction of the first surface and a movement direction in which the second tray moves with respect to the first tray.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: November 24, 2020
    Assignee: PFU LIMITED
    Inventors: Eiki Yamada, Masaya Takamori
  • Patent number: D902209
    Type: Grant
    Filed: August 15, 2019
    Date of Patent: November 17, 2020
    Assignee: PFU Limited
    Inventors: Yuka Saeki, Satoshi Kubota, Shuji Hashimoto