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Pfu Limited patents


Recent patent applications related to Pfu Limited. Pfu Limited is listed as an Agent/Assignee. Note: Pfu Limited may have other listings under different names/spellings. We're not affiliated with Pfu Limited, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "P" | Pfu Limited-related inventors


Image processing apparatus, rectangle region detection method, and computer-readable, non-transitory medium

An image processing apparatus includes an edge pixel extractor for extracting an edge pixel from an input image, an end pixel extractor for extracting an end pixel in the input image, an edge pixel addition module for adding the end pixel extracted by the end pixel extractor as an edge pixel based on a pixel value of a pixel located within a first range from the end pixel, a straight line extractor for extracting straight lines from the edge pixel extracted by the edge pixel extractor and the end pixel added as an edge pixel by the edge pixel addition module, and a rectangle region detector for detecting a rectangle region from the extracted straight lines.. . ... Pfu Limited

Document conveying apparatus

A document conveying apparatus includes a first conveying roller for conveying a document stacked on the document tray, a second conveying roller, provided at a downstream side with respect to the first conveying roller, for conveying a document stacked on the document tray, a separation roller, provided at a downstream side with respect to the second conveying roller, for performing separation operation of the document, a driving force transmission mechanism for transmitting the driving force to a driving shaft of the first conveying roller, a driving shaft of the second conveying roller, and a driving shaft of the separation roller, and a first blocking mechanism, provided between the first conveying roller and the driving shaft of the first conveying roller, for blocking a driving force transmitted to the driving shaft of the first conveying roller, for a first certain period of time.. . ... Pfu Limited

Image processing device, image processing method, and non-transitory computer-readable recording medium

An image processing device includes a division unit which divides an input image into a first content area and a first background area, a generation unit which corrects a first content area pixel included in the first content area by using a first peripheral pixel existing in the vicinity of the first content area among first background area pixels included in the first background area to generate a first background image formed with the after-correction first content area pixel and the first background area pixel, and a removal unit which removes the first background image from the input image.. . ... Pfu Limited

Image-processing apparatus, image-processing method, and computer program product

According to the present disclosure, an image-processing apparatus identifies for each gradation value a connected component of pixels of not less than or not more than the gradation value neighboring and connected to each other in an input image, thereby generating hierarchical structure data of a hierarchical structure including the connected component, extracts based on the hierarchical structure data a connected component satisfying character likelihood as a character-like region, acquires a threshold value of binarization used exclusively for the character-like region, acquires a corrected region where the character-like region is binarized, acquires a background where a gradation value of a pixel included in a region of the input image other than the corrected region is changed to a gradation value for a background, and acquires a binary image data of a binary image composed of the corrected region and the background region.. . ... Pfu Limited

Information management system and information providing method

There is provided an information management system having: a management server device and a client terminal, wherein the management server device includes: a processor programmed to: store information to be managed; and determine whether or not to transmit at least some of the stored information to an outside of the information management system, and wherein the client terminal includes: a processor programmed to: determine whether or not to transfer the information stored by the management server device; and transmit at least some of the stored information to the outside of the information management system based on a result determined by the management server device and a result determined by the client terminal.. . ... Pfu Limited

Document conveying apparatus, control method, and computer-readable, non-transitory medium

The document conveying apparatus includes a document tray, a butted part with which leading edges of a plurality of documents stacked on the document tray are butted, a roller for conveying a document stacked at a lowermost position, a pressurizing module for pressurizing, from above, the documents stacked on the document tray, a separator, a first detector, provided between the butted part and the separator in a document conveying direction, for detecting a conveyed document, and a control module for causing the pressurizing module to pressurize the documents stacked on the document tray and causing the roller to rotate with a first speed until the first detector detects a document. In a case where the first detector detects a document, the control module reduces a force with which the pressurizing module pressurizes the documents and causes the roller to rotate with a second speed slower than the first speed.. ... Pfu Limited

Document conveying apparatus, control method, and control program

The document conveying apparatus includes a separation roller, a conveying roller, a driving force generation module configured to be capable of generating a first driving force with a rotation in a first direction, and capable of generating a second driving force with a rotation in a second direction opposite to the first direction, a driving force transmission module, a determination module for determining whether a document has passed the separation roller, and a control module for switching a driving force from the first driving force to the second driving force in accordance with a determination result. The driving force transmission module performs separation operation by transmitting the first driving force to the separation roller, and conveys the documents by transmitting the second driving force to the conveying roller and cuts off transmission of the second driving force to the separation roller, in accordance with the switching.. ... Pfu Limited

Image-processing apparatus, method, and computer program product for correcting skew in scanned images

According to the present disclosure, edges of a document image contained in a read image read by an image-reading apparatus including a paper path are detected, a candidate edge-skew occurrence position is detected, a candidate content-skew occurrence position is detected, an accumulated-skew occurrence position is detected based on the candidate edge-skew occurrence position and the candidate content-skew occurrence position, skew of a document rear-part image rearward from the accumulated-skew occurrence position in the conveyance direction is corrected, and image data corrected for accumulated skew is acquired.. . ... Pfu Limited

Information processing apparatus, method, and medium

In order to control communication in an ipv6 environment, a network monitoring apparatus includes a communication data acquisition unit that acquires communication data in a network, a target terminal determination unit that determines whether a terminal included in a source or a destination of the acquired communication data is a target terminal meeting a predetermined condition, and a communication guiding unit that, by notifying the target terminal of a physical address of a predetermined terminal as a physical address of a terminal other than the target terminal, guides the communication data sent from the target terminal, to the predetermined terminal.. . ... Pfu Limited

Image-processing apparatus, image-processing method, and computer program product

According to the present disclosure, an image-processing apparatus acquires horizontal black hat image data by taking a difference between source image data and horizontal closing image data obtained by performing closing processing on each pixel row of the source image data, acquires vertical black hat image data by taking a difference between the source image data and vertical closing image data obtained by performing the closing processing on each pixel column of the source image data, and acquires logical conjunction image data where a logical conjunction of the horizontal black hat image data and the vertical black hat image data is taken.. . ... Pfu Limited

Image reading apparatus, control method, and computer-readable, non-transitory medium

An image reading apparatus includes an image capturing module, a reference member, a light source for emitting light to the reference member, a foreign object determining module for determining whether or not a foreign object appears in a specific image, and a position determining module for determining whether the foreign object exists on the image capturing module side or on the reference member side, based on an absolute value of a difference between a gradation value in a region included in two images and corresponding to a region where the foreign object appears when the foreign object appears in the specific image. One image is an image of the reference member captured under illumination of light with a first light quantity from the light source, and other image is an image of the reference member captured under illumination of light with a second light quantity from the light source.. ... Pfu Limited

Image-reading apparatus and image-reading auxiliary apparatus

An image-reading auxiliary apparatus includes a housing that shields a medium from environmental light, an external device holding unit that holds an external device that captures an image of the medium, a light source that illuminates the medium, an illuminance sensor that detects whether the external device is held by the external device holding unit, a housing control unit that controls the light source so as not to emit light when the illuminance sensor detects that the external device is not held by the external device holding unit, and an opening/closing interlocking switch that activates the housing control unit to start to control the light source when the housing is opened from a folded state.. . ... Pfu Limited

Medium supplying apparatus

A medium supplying apparatus includes a control unit. The control unit executes: a first control in which, in a case where a double feed detecting sensor detects a double feed of media, rotation drive of a separator roller is stopped, and a retard roller is caused to convey the media to an upstream side in a conveying direction; and a second control in which, after the execution of the first control, the rotation drive of the separator roller is restarted, and, in a case where the double feed detecting sensor detects a double feed of the media, a conveying load applied is set to be higher than that at the time of detecting the double feed before the execution of the first control, the rotation drive of the separator roller is stopped, and the retard roller is caused to convey the media to the upstream side in the conveying direction.. ... Pfu Limited

Network security device, network management method, and non-transitory computer-readable medium

There is provided a network security device comprising: a processor programmed to: identify a terminal for which communication is to be blocked; detect dynamic host configuration protocol (dhcp) request information which is requesting a dhcp server to allocate an ip address; send out a message meaning that the ip address requested by the dhcp request information is unusable; and transmit, if the detected dhcp request information is sent by the identified terminal, dhcp release information for releasing the ip address requested by this dhcp request information to the dhcp server.. . ... Pfu Limited

06/01/17 / #20170155642

Information processing device, method, and medium

A network monitoring device including: a communication acquiring unit which acquires communication before the communication reaches an opposite party's terminal; a protocol analyzing unit which identifies a message for session establishment by analyzing a protocol of the acquired communication, the message being included in the communication and including a digital certificate of a communication partner in a session to be kept confidential; a certificate extracting unit which extracts a digital certificate from the identified message for session establishment; and an inspecting unit which inspects the extracted digital certificate.. . ... Pfu Limited

05/18/17 / #20170142296

Video-processing apparatus and video-processing method

According to the present disclosure, when subdivided data in which a frame is subdivided is received via a network, values of the number of samples and the number of lines in a frame being output are acquired, and a video output clock is controlled based on the values and reference values of the number of samples and the number of lines as references for the video output clock.. . ... Pfu Limited

05/18/17 / #20170142289

Image reading apparatus and method, with a movable light reflecting surface

An image reading apparatus includes an image capturing module for capturing an image of a document, a light source, a movable light reflecting surface having a white color, a driving module for moving the light reflecting surface into a first position at which the light reflecting surface reflects light from the light source and a second position at which the light reflecting surface does not reflect light from the light source, and a control module for controlling the driving module to move the light reflecting surface. The control module determines the second position by moving the light reflecting surface by a predetermined quantity from the first position determined based on an image obtained by the image capturing module.. ... Pfu Limited

05/18/17 / #20170142288

Image reading apparatus with a cam to move a light reflecting surface

An image reading apparatus includes a light source and a movable light reflecting surface provided to be capable to move to a first position to reflect light from the light source. The image reading apparatus includes a cam to move the light reflecting surface and having a first portion, a driving module for providing a driving force, and a transmission member for rotating the cam with the driving force provided by the driving module, the transmission member having a second portion, wherein the transmission member moves the light reflecting surface to a predetermined position by rotating the cam, and by bringing the second portion into contact with the first portion to hold the light reflecting surface at the predetermined position when there is no driving force.. ... Pfu Limited

05/18/17 / #20170142281

Document image capturing device

A document image capturing device includes an image capturing module for capturing an image of a document, and a first aperture portion, an illumination module movable between the image capturing module and a document conveying path and including a light source for illuminating the document and a second aperture portion, and a sealer for sealing between the first aperture portion and the second aperture portion regardless of movement of the illumination module. The sealer includes a first film attached to cover an entire periphery of the first aperture portion and a second film attached to cover an entire periphery of the second aperture portion, and the first aperture portion and the second aperture portion are arranged so that a reflection light from the document illuminated by the light source passes through the first aperture portion and the second aperture portion.. ... Pfu Limited

05/18/17 / #20170141891

Video-processing apparatus, video-processing system, and video-processing method

The present disclosure receives a frame where an identification data packet of a predetermined standard that identifies the frame from a head of the frame by a predetermined period is arranged via a network, writes the identification data packet, a video data packet, and an ancillary data packet in a buffer having a predetermined size so that the identification data packet is arranged at a head of the buffer, reads the identification data packet, the video data packet, and the ancillary data packet from the head of the buffer, converts the video data packet into video data and converts the ancillary data packet into ancillary data, multiplexes the video data and the ancillary data, and outputs video/ancillary data.. . ... Pfu Limited

05/18/17 / #20170140794

Video-processing apparatus, video-processing system, and video-processing method

According to the present disclosure, a master decoder acquires a generator synchronization signal for synchronization of video data based on a reference signal supplied from a synchronization signal generator, selects the generator synchronization signal as a selected synchronization signal to transmit the selected synchronization signal to the slave decoder via an internal bus, and outputs the video data based on the selected synchronization signal, and the slave decoder outputs the video data based on the selected synchronization signal transmitted from the master decoder.. . ... Pfu Limited

05/18/17 / #20170139800

Peripheral management system, management device, and management method

There is provided a peripheral management system including a client terminal which a peripheral can be connected to and a management device which manages the peripheral, wherein: the client terminal comprises: a detection unit configured to detect an operating state of the connected peripheral; and a notification unit configured to notify the management device of the operating state detected by the detection unit at a predetermined communication interval; the management device comprises a storage unit configured to store the operating state of the peripheral notified by the notification unit; and the notification unit of the client terminal communicates with the management device at a longer communication interval than that when the peripheral to be managed is connected to the client terminal, when the peripheral to be managed is not connected to the client terminal.. . ... Pfu Limited

05/18/17 / #20170137245

Document conveying apparatus, determination method, and computer-readable, non-transitory medium

A document conveying apparatus includes a light source, a disk including a plurality of slits spaced apart with a predetermined interval in a rotation direction of the disk, which rotates in the rotation direction with a rotation speed as a document is conveyed, a light reception element provided at a position facing the light source with the disk interposed therebetween, a first signal generator for generating a first signal in accordance with light received by the light reception element, a second signal generator for generating a second signal obtained by removing, from the first signal, a noise component according to the rotation speed of the disk, and a controller for determining whether a document is conveyed by comparing the second signal with a predetermined threshold value.. . ... Pfu Limited

05/18/17 / #20170137242

Sheet feeding device

A sheet feeding device includes a document mounting board, in which a downstream end of the document mounting board in the feeding direction of the documents in the feed mechanism is connected to a scanner body so as to be rotatable about a first turning shaft parallel to a rotation shaft of a pickup roller, the first turning shaft is located downstream from the feed mechanism in the feeding direction of the documents in the feed mechanism, a mounting surface of the document mounting board on which the documents are mounted is located above the pickup roller when the documents are mounted on the document mounting board, and the document mounting board turns about the first turning shaft such that the mounting surface moves downward and the mounting surface moves downward from a contact portion of the pickup roller with the document when the documents mounted on the document mounting board are fed.. . ... Pfu Limited

05/18/17 / #20170137241

Sheet feeding device

In a sheet feeding device, a document mounting board includes a first member that includes a first mounting surface and is located on the feed mechanism side in the feeding direction of the documents in the feed mechanism, the first mounting surface being inclined to a lower side toward the feed mechanism, and a second member that includes a second mounting surface on which the documents are mounted and is disposed on a side opposite to the side of the first member on which the feed mechanism is located, and the second member is connected to the first member to be rotatable about a second turning shaft and turns about the second turning shaft depending on the weight of the documents detected by the weight sensor to change an angle with respect to the first member.. . ... Pfu Limited

05/11/17 / #20170132192

Information processing device, display method and control program

There is provided an information processing device, display method, and control program, which can improve usability for a user when the user utilizes a business form using the information processing device. The information processing device includes an operation module for receiving an input by a user, a display module, and a display control module for, according to an input by a user using the operation module, switching and displaying, on the display module, a first display image where item input fields are placed respectively at a plurality of item entry positions in an image that represents a business form and a second display image where the item input fields and information that indicates items to be input in the item input fields are placed alongside without displaying the image that represents the business form.. ... Pfu Limited

05/04/17 / #20170121145

Paper ejection tray assembly with ribs

A paper ejection tray assembly for ejecting paper in an ejecting direction in an image reading device includes a tray body including a stacking surface for stacking an ejected paper, and a pair of movable ribs which are arranged a predetermined distance apart from each other in a direction perpendicular to the ejection direction of the paper and which project out from the stacking surface of the tray body at least when paper is ejected from an ejection slot, the pair of ribs respectively have first inclined surfaces with heights from the stacking surface gradually becoming higher from the downstream side toward the upstream side of the ejection direction of the paper so as to guide the paper ejected from the ejection slot.. . ... Pfu Limited

05/04/17 / #20170121144

Paper ejection tray assembly with flap part

A paper ejection tray assembly for ejecting paper in an ejecting direction in an image reading device includes a tray body including a stacking surface for stacking an ejected paper, and a slide tray part which is pulled out from the tray body by a force, and a flap part which moves to an inclined position by the force when the slide tray part is pulled out. A height of the flap part from the stacking surface, at the inclined position gradually becomes higher from an upstream side toward a downstream side of the ejection direction to guide an ejected paper.. ... Pfu Limited

04/27/17 / #20170113889

Paper feeding roller with pattern

A feeding roller for a document conveying apparatus includes a plurality of groove portions arranged with a regular interval in a width direction of the feeding roller on a surface of the feeding roller, and a projection portion provided between each pair of adjacent groove portions to scrape off paper particles on the external peripheral. The projection portion has a regular pattern extending in the width direction of the feeding roller.. ... Pfu Limited

04/06/17 / #20170097697

Input device, document input system, document input method, and computer program product

An input device for use in input of data to a document screen displayed on a touch panel of a terminal device according to the present disclosure detects a touch operation performed on the touch panel in a detection unit. When the touch operation is detected, the input device transmits device information including at least a device id of the input device to the terminal device.. ... Pfu Limited

03/23/17 / #20170085728

Information processing device, method, and medium

A scanner includes: a first session managing unit which establishes a session to be established for communication, related to an image data acquisition/saving process, with a server before an instruction by a user related to the image data acquisition/saving process is accepted; and a second session managing unit which establishes a session to be established for communication, related to an existence confirmation process, with the server at the same time as or after start of execution of the existence confirmation process.. . ... Pfu Limited

03/23/17 / #20170085572

Information processing device, system, method, and medium

An information processing device including: a connection setting retaining unit which retains a connection setting of a connection to an access point that relays communication to a network for each access point; an access permission retaining unit which retains a token for using a service provided by a server on the network; a determining unit which determines whether or not the connection setting is a connection setting having been set using a tool that enables the connection setting and a usage setting of the service to be set in a series of procedures; and a service using unit which uses the service using the token in a communication relayed by an access point related to a connection setting determined to be a connection setting having been set using the tool.. . ... Pfu Limited

03/16/17 / #20170078514

Image reading apparatus

A image reading apparatus includes a first placement unit, a second placement unit, a first reading unit, a second reading unit, a rotating mechanism, and a switch-over mechanism that switches over the first placement unit and the second placement unit between a horizontal state and an inclined state. The rotating mechanism rotates the first reading unit and the second reading unit, so that, in the horizontal state, the first image reading unit and the second image reading unit read a medium placed on the first placement unit and a medium placed on the second placement unit respectively, and, in the inclined state, the first image reading unit and the second image reading unit read a medium placed on the second placement unit and a medium placed on the first placement unit respectively.. ... Pfu Limited








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