Patents by Inventor Susumu Kibayashi
Susumu Kibayashi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 7769324Abstract: An image forming apparatus has a plurality of image carriers, a common drive source which drives the plurality of image carriers and a drive shaft that is connected to and driven by the drive source. It also has a plurality of worm gears that are provided corresponding to the plurality of image carriers and are formed coaxially with the drive shaft, and a plurality of worm wheels that are respectively meshed with the respective worm gears and respectively transmit drive forces of the worm gears to the image carriers. The plurality of worm gears are made of a resin material, and the worm gears and the worm wheels drive the plurality of image carries by making use of the elastic deformation of the worm gears when the worm gears and the worm wheels are respectively meshed with each other.Type: GrantFiled: June 4, 2008Date of Patent: August 3, 2010Assignee: Fuji Xerox Co., Ltd.Inventors: Yoshihiko Mitamura, Susumu Kibayashi, Itaru Satoh, Norio Hokari, Yutaka Morita
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Publication number: 20100165027Abstract: The present invention provides an image forming apparatus including: a rotating body that holds recording medias on a circumferential surface; an image forming section that forms an image; a generating section that generates a pulse and a reference pulse; a measuring section that measures the number of pulses; a computing section that each time when predetermined number of pulses from generation of the reference pulse has been measured, divides a pulse width of a pulse before predetermined number of pulses by a first value to compute a pulse division time; and a controlling section that each time when predetermined number of pulses are measured from generation of the reference pulse, multiplies the pulse division time by a second predetermined value, thereby obtaining a forming start time, and that controls to start image formation when the forming start time has elapsed from the measurement of predetermined number of pulses.Type: ApplicationFiled: May 21, 2009Publication date: July 1, 2010Applicant: FUJI XEROX CO., LTD.Inventors: Takeshi Zengo, Susumu Kibayashi, Toru Nishida, Hiroaki Satoh
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Publication number: 20100149236Abstract: A speed calculation device is provided. The generation component generates a plurality of pulse signals with different phases in accordance with rotation of a rotating body. The detection component detects rises and falls of respective pulses of the plurality of pulse signals generated by the generation component. The duration calculation component, each time a rise or fall is detected by the detection component, calculates a total duration of a pre-specified number of durations representing detection intervals of rises or falls detected prior to the rise or fall currently detected by the detection component. The speed calculation component calculates a speed relating to rotation of the rotating body on the basis of the total duration and a rotation angle of the rotating body that corresponds to one pulse of the pulse signals.Type: ApplicationFiled: December 11, 2009Publication date: June 17, 2010Applicant: FUJI XEROX CO., LTD.Inventors: Toru Nishida, Hiroaki Satoh, Susumu Kibayashi, Takeshi Zengo
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Publication number: 20100149234Abstract: A speed calculation device is provided. The generation component generates a plurality of pulse signals with different phases in accordance with rotation of a rotating body. The detection component detects rises and falls of respective pulses of the plurality of pulse signals generated by the generation component. The duration calculation component, each time a rise or fall is detected by the detection component, calculates a total duration of a pre-specified number of durations representing detection intervals of rises or falls detected by the detection component prior to the current rise or fall detected by the detection component. The speed calculation component calculates a speed relating to rotation of the rotating body on the basis of the total duration and a rotation angle of the rotating body that corresponds to one pulse of the pulse signals.Type: ApplicationFiled: May 13, 2009Publication date: June 17, 2010Applicant: FUJI XEROX CO., LTD.Inventors: Toru Nishida, Hiroaki Satoh, Susumu Kibayashi, Takeshi Zengo
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Patent number: 7669959Abstract: A droplet ejection device includes a droplet ejection head, a conveyance member, a cleaning unit and a coating unit. The droplet ejection head ejects droplets. The conveyance member retains a recording medium and conveys the recording medium to oppose the droplet ejection head. The cleaning unit cleans the conveyance member. The coating unit applies a coating liquid, with a characteristic of repelling the liquid that is ejected from the droplet ejection head, onto the conveyance member. A surface tension ?o of the coating liquid, a critical surface tension ?b of the conveyance member, and a surface tension ?i of the liquid that is ejected from the droplet ejection head satisfy the following equations (1) and (2).Type: GrantFiled: August 14, 2006Date of Patent: March 2, 2010Assignee: Fuji Xerox Co., Ltd.Inventors: Masahiko Sekimoto, Koichi Saitoh, Hiroaki Satoh, Susumu Kibayashi, Satoshi Mohri, Toru Nishida
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Publication number: 20090290184Abstract: A correction information creation device including: a recording head; a rotating body; a first detector that detects a period of a pulse signal generated in accordance with rotation of the rotating body; a first calculation section that calculates a period of a clock signal; a second detector that detects a space between corrective images that are formed synchronously with a period of the clock signal, while the rotating body is being rotated at a predetermined rotation speed, by two sets of image formation elements of the recording head; a second calculation section that calculates a distance between a measurement position of a peripheral surface of the rotating body and the axial center of the rotating body; and a memory that stores the calculated distance to serve as information for correcting the period of the clock signal.Type: ApplicationFiled: December 3, 2008Publication date: November 26, 2009Applicant: FUJI XEROX CO., LTD.Inventors: Toru Nishida, Susumu Kibayashi, Hiroaki Satoh, Takeshi Zengo, Tatsumi Komura
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Publication number: 20090202275Abstract: A belt rotating apparatus according to an exemplary embodiment of the invention includes a circular belt; plural rollers about which the belt is entrained, the plural rollers including a drive roller which rotates the belt and an inclination change roller which can change an inclination thereof; a belt side edge sensor which measures a position of a belt side edge in a belt width direction of the belt; and a cutter which can trim the belt side edge.Type: ApplicationFiled: November 7, 2008Publication date: August 13, 2009Applicant: FUJI XEROX CO., LTD.Inventors: Toru Nishida, Susumu Kibayashi
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Publication number: 20090045569Abstract: A roller mechanism includes a pair of rollers and an urging unit. The pair of rollers oppose one another sandwiching a conveyance path of a sheet material, and are provided to be capable of increasing and reducing an axis-to-axis separation thereof. The urging unit urges at least one of the pair of rollers in a direction of reducing the axis-to-axis separation of the pair of rollers with an urging force that increases with an increase in the axis-to-axis separation of the pair of rollers, and presses the sheet material with the pair of rollers. The urging unit increases the urging force non-linearly, with a rate of increase of the urging force falling as the axis-to-axis separation of the pair of rollers increases within a range of changes at times of sheet material-pressing.Type: ApplicationFiled: March 3, 2008Publication date: February 19, 2009Applicant: FUJI XEROX CO., LTD.Inventors: Kenji Ikeda, Hiroaki Satoh, Susumu Kibayashi, Toru Nishida, Takeshi Zengo
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Publication number: 20090028605Abstract: An image forming apparatus has a plurality of image carriers, a common drive source which drives the plurality of image carriers and a drive shaft that is connected to and driven by the drive source. It also has a plurality of worm gears that are provided corresponding to the plurality of image carriers and are formed coaxially with the drive shaft, and a plurality of worm wheels that are respectively meshed with the respective worm gears and respectively transmit drive forces of the worm gears to the image carriers. The plurality of worm gears are made of a resin material, and the worm gears and the worm wheels drive the plurality of image carries by making use of the elastic deformation of the worm gears when the worm gears and the worm wheels are respectively meshed with each other.Type: ApplicationFiled: June 4, 2008Publication date: January 29, 2009Inventors: Yoshihiko Mitamura, Susumu Kibayashi, Itaru Satoh, Norio Hokari, Yutaka Morita
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Patent number: 7448745Abstract: The present invention provides a liquid droplet ejecting device, which can form a good eject pattern even when a recording medium is conveyed by a conveying belt at a side-to-be-ejected by a liquid droplet ejecting head in which ejecting nozzles are arranged two-dimensionally, including a liquid droplet ejecting head at which an arrangement of ejecting nozzles which eject liquid droplets is formed in two-dimensions; and a conveying section which conveys a recording medium at a side-to-be-ejected by the liquid droplet ejecting head, wherein the conveying section has an endless conveying belt on which the recording medium is placed and which passes by the side to be ejected by the liquid droplet ejecting head, at least two rollers which abut the conveying belt and whose positions can be corrected; and a control section which controls position corrections of the at least two rollers.Type: GrantFiled: September 15, 2005Date of Patent: November 11, 2008Assignee: Fuji Xerox Co., Ltd.Inventor: Susumu Kibayashi
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Patent number: 7434904Abstract: In an image recording apparatus disclosed by this invention, a recording medium is conveyed to a recording head having recording unit groups each in which a plurality of the recording units for recording an image are arranged at a predetermined interval linearly at a predetermined angle with respect to a predetermined direction. When the recording medium is conveyed at a predetermined average velocity, an image recording start timing of each recording column is controlled with the recording units contained in a direction intersecting with the predetermined direction of the recording head as a recording column so as to form a linear dot string having an angle different from the predetermined angle in the recording medium by means of the respective recording units of the recording head.Type: GrantFiled: October 13, 2006Date of Patent: October 14, 2008Assignee: Fuji Xerox Co., Ltd.Inventors: Arichika Tanaka, Susumu Kibayashi
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Publication number: 20080100655Abstract: In a droplet ejecting apparatus, a detection pattern output unit drives a droplet ejecting head based on a pulse signal and image information of a detection pattern comprising plural unit patterns so as to form an image of the detection pattern on a recording medium. A correction information generating unit derives a distance between adjacent unit patterns based on the image of a read detection pattern, compares the distance with a distance according to the conveyance velocity of the recording medium by a moving unit, and generates correction information so as to enlarge the pulse width when the derived distance is shorter, and to reduce the pulse width when the derived distance is longer.Type: ApplicationFiled: June 4, 2007Publication date: May 1, 2008Inventors: Masami Furuya, Kenichi Kawauchi, Susumu Kibayashi
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Publication number: 20070263021Abstract: In an image recording apparatus disclosed by this invention, a recording medium is conveyed to a recording head having recording unit groups each in which a plurality of the recording units for recording an image are arranged at a predetermined interval linearly at a predetermined angle with respect to a predetermined direction. When the recording medium is conveyed at a predetermined average velocity, an image recording start timing of each recording column is controlled with the recording units contained in a direction intersecting with the predetermined direction of the recording head as a recording column so as to form a linear dot string having an angle different from the predetermined angle in the recording medium by means of the respective recording units of the recording head.Type: ApplicationFiled: October 13, 2006Publication date: November 15, 2007Inventors: Arichika Tanaka, Susumu Kibayashi
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Publication number: 20070171251Abstract: A droplet ejection device includes a droplet ejection head, a conveyance member, a cleaning unit and a coating unit. The droplet ejection head ejects droplets. The conveyance member retains a recording medium and conveys the recording medium to oppose the droplet ejection head. The cleaning unit cleans the conveyance member. The coating unit applies a coating liquid, with a characteristic of repelling the liquid that is ejected from the droplet ejection head, onto the conveyance member. A surface tension ?o of the coating liquid, a critical surface tension ?b of the conveyance member, and a surface tension ?i of the liquid that is ejected from the droplet ejection head satisfy the following equations (1) and (2).Type: ApplicationFiled: August 14, 2006Publication date: July 26, 2007Inventors: Masahiko Sekimoto, Koichi Saitoh, Hiroaki Satoh, Susumu Kibayashi, Satoshi Mohri, Toru Nishida
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Publication number: 20070165204Abstract: A pattern forming process and a pattern forming apparatus comprising forming a liquid receptive particle layer on an intermediate transfer body in a specified area by using liquid receptive particles capable of receiving a recording liquid containing a recording material; applying a liquid droplet of the recording liquid on a specified position of liquid receptive particle layer according to specified data, trapping the recording material near the surface of the liquid receptive particle layer on the intermediate transfer body, and forming a pattern of the recording material near the surface of the liquid receptive particle layer; and removing the liquid receptive particle layer provided with the recording liquid from the intermediate transfer body so that the pattern may be positioned between the transfer object and the liquid receptive particle layer, and transferring the liquid receptive particle layer to the transfer object.Type: ApplicationFiled: November 15, 2006Publication date: July 19, 2007Inventors: Susumu Kibayashi, Hiroaki Satoh, Akira Mihara, Masahiko Fujii
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Patent number: 7144097Abstract: Provided is an inkjet recording device that has a conveying unit for conveying a recording medium, plural recording head groups each structured by plural unit heads disposed along the conveying direction, and an ink receiving unit for receiving ink discharged from the unit heads. The recording head groups, correspond respectively to plural individual recording regions which are sectioned off in the recording medium transverse direction which is orthogonal to the conveying direction, are disposed so as to be at respectively different positions at adjacent individual recording regions along the conveying direction. The ink receiving unit is disposed so as to face ink drop discharging surfaces of the unit heads. The conveying unit is plural conveying belts disposed at positions evading trajectories of the ink drops from the unit heads as seen in a direction of a line normal to the recording medium so as to be divided in the conveying direction.Type: GrantFiled: August 24, 2004Date of Patent: December 5, 2006Assignee: Fuji Xerox Co., Ltd.Inventors: Ryo Ando, Hiroaki Satoh, Satoru Nishikawa, Kozo Tagawa, Takeshi Kato, Tsutomu Udaka, Toshiyuki Kazama, Yoshiki Matsuzaki, Osamu Goto, Susumu Kibayashi, Yoshihiko Mitamura
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Publication number: 20060215008Abstract: The present invention provides a liquid droplet ejecting device, which can form a good eject pattern even when a recording medium is conveyed by a conveying belt at a side-to-be-ejected by a liquid droplet ejecting head in which ejecting nozzles are arranged two-dimensionally, including a liquid droplet ejecting head at which an arrangement of ejecting nozzles which eject liquid droplets is formed in two-dimensions; and a conveying section which conveys a recording medium at a side-to-be-ejected by the liquid droplet ejecting head, wherein the conveying section has an endless conveying belt on which the recording medium is placed and which passes by the side to be ejected by the liquid droplet ejecting head, at least two rollers which abut the conveying belt and whose positions can be corrected; and a control section which controls position corrections of the at least two rollers.Type: ApplicationFiled: September 15, 2005Publication date: September 28, 2006Inventor: Susumu Kibayashi
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Patent number: 6990304Abstract: A driving device for an image carrying member, e.g., a belt, is to be provided that causes no increase in size and cost of the device and sufficiently stabilizes the velocity of the image carrying member upon fluctuation in load, so as to suppress or prevent formation of an image defect referred to as so-called “banding”. A rotating member is made in contact with at least one of a driving force transmitting member and an image carrying member, which are arranged in a driving force transmission path for transmitting the driving force to the image carrying member, and the rotating member rotates in contact with the driving force transmitting member or the image carrying member, and providing, upon occurring fluctuation in velocity of the driving force transmitting member or the image carrying member, a viscous effect that suppresses the fluctuation in velocity.Type: GrantFiled: October 9, 2003Date of Patent: January 24, 2006Assignee: Fuji Xerox Co., Ltd.Inventors: Yoshihiko Mitamura, Susumu Kibayashi, Norio Hokari
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Publication number: 20050062832Abstract: An image forming apparatus has a plurality of image carriers, a common drive source which drives the plurality of image carriers and a drive shaft that is connected to and driven by the drive source. It also has a plurality of worm gears that are provided corresponding to the plurality of image carriers and are formed coaxially with the drive shaft, and a plurality of worm wheels that are respectively meshed with the respective worm gears and respectively transmit drive forces of the worm gears to the image carriers. The plurality of worm gears are made of a resin material, and the worm gears and the worm wheels drive the plurality of image carries by making use of the elastic deformation of the worm gears when the worm gears and the worm wheels are respectively meshed with each other.Type: ApplicationFiled: May 3, 2004Publication date: March 24, 2005Inventors: Yoshihiko Mitamura, Susumu Kibayashi, Itaru Satoh, Norio Hokari, Yutaka Morita
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Publication number: 20050046667Abstract: Provided is an inkjet recording device that has a conveying unit for conveying a recording medium, plural recording head groups each structured by plural unit heads disposed along the conveying direction, and an ink receiving unit for receiving ink discharged from the unit heads. The recording head groups, correspond respectively to plural individual recording regions which are sectioned off in the recording medium transverse direction which is orthogonal to the conveying direction, are disposed so as to be at respectively different positions at adjacent individual recording regions along the conveying direction. The ink receiving unit is disposed so as to face ink drop discharging surfaces of the unit heads. The conveying unit is plural conveying belts disposed at positions evading trajectories of the ink drops from the unit heads as seen in a direction of a line normal to the recording medium so as to be divided in the conveying direction.Type: ApplicationFiled: August 24, 2004Publication date: March 3, 2005Inventors: Ryo Ando, Hiroaki Satoh, Satoru Nishikawa, Kozo Tagawa, Takeshi Kato, Tsutomu Udaka, Toshiyuki Kazama, Yoshiki Matsuzaki, Osamu Goto, Susumu Kibayashi, Yoshihiko Mitamura