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公开(公告)号：US20230034236A1
公开(公告)日：2023-02-02
申请号：US17814322
申请日：2022-07-22
Applicant: KYOCERA Document Solutions Inc.
Inventor： Koji SATO , Hiroka ITANI , Shiro KANEKO , Naomichi HIGASHIYAMA
IPC: G06T7/00 , G06V10/22 , G06V10/44 , G06V10/98 , G06V10/771
Abstract: An abnormality detection unit detects an abnormal object in target images repeatedly acquired. An abnormality type selection unit selects, for each of the target images, an abnormality type of the abnormal object from a plurality of specific abnormality types based on values of at least two basic feature amounts. A feature amount monitoring unit monitors the values of the basic feature amounts and a value of an auxiliary feature amount corresponding to the abnormality type currently selected by the abnormality type selection unit. An adjustment processing unit executes an adjustment process corresponding to the auxiliary feature amount being monitored by the feature amount monitoring unit. The abnormality type selection unit changes the abnormality type to be selected, in accordance with the change in the values of the basic feature amounts mentioned above.
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公开(公告)号：US20190377282A1
公开(公告)日：2019-12-12
申请号：US16393584
申请日：2019-04-24
Applicant: KYOCERA Document Solutions Inc.
Inventor： Hiroka ITANI , Keigo KIMURA
Abstract: An image forming apparatus has a plurality of image forming portions, an intermediate transfer belt having an elastic layer, a plurality of primary transfer members, a contact-separation mechanism, a secondary transfer member, a driving device, a voltage applying device, and a control portion. The contact-separation mechanism is switchable between an all-color pressure state where the primary transfer members are all in pressed contact with the image carrying members via the intermediate transfer belt and an all-color apart state where the primary transfer members are all away from the intermediate transfer belt. At first power-on, the control portion starts driving the image carrying members and the intermediate transfer belt in the all-color apart state, then transits to the all-color pressure state, and then ejects toner from the developing device to the image carrying members to reduce the surface friction coefficient on the image carrying members and the intermediate transfer belt.
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公开(公告)号：US20220075304A1
公开(公告)日：2022-03-10
申请号：US17470804
申请日：2021-09-09
Applicant: KYOCERA Document Solutions Inc.
Inventor： Shiro KANEKO , Hiroka ITANI
Abstract: An image forming apparatus includes an image carrier, a developing device, a voltage applier, a current detector, a weight detector, and a control device. The control device acts as a first measurer, a second measurer, and an estimator. The first measurer acquires a toner use amount indicating weight per unit area, of the toner that has migrated from the developing agent carrier to the image carrier, according to a detection result provided by the weight detector. The second measurer acquires the developing current from the current detector. The estimator calculates a value of decision coefficient, obtained by dividing variance of an estimated value in a regression model between the toner use amount and the developing current, by variance of a sample value, and estimates deterioration status of the toner, according to the value of the decision coefficient.
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Patent Agency Ranking
公开(公告)号：US20220075285A1
公开(公告)日：2022-03-10
申请号：US17470866
申请日：2021-09-09
Applicant: KYOCERA Document Solutions Inc.
Inventor： Shiro KANEKO , Hiroka ITANI
IPC: G03G15/06 , G03G15/095
Abstract: An image forming apparatus includes an image carrier, a developing device, a voltage applier, a current detector, a cleaning blade, and a control device. The control device acts as a measurer and an estimator. The measurer changes the DC bias to a first value and a second value, and acquires a first magnitude of the developing current corresponding to the first value, and a second magnitude of the developing current corresponding to the second value, from the current detector. The estimator calculates a current ratio between the first magnitude and the second magnitude, and estimates deterioration status of the cleaning blade, according to the value of the current ratio.
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公开(公告)号：US20190079450A1
公开(公告)日：2019-03-14
申请号：US16117006
申请日：2018-08-30
Applicant: KYOCERA Document Solutions Inc.
Inventor： Keigo KIMURA , Hiroka ITANI , Yoshiyuki ODAKA , Hiroaki WATANABE
IPC: G03G21/20 , G03G15/04 , G03G15/043
CPC classification number: G03G21/203 , G03G15/04036 , G03G15/043
Abstract: An image forming apparatus includes a photoreceptor and an exposure device. The exposure device is configured to expose a surface of the photoreceptor and to form an electrostatic latent image. The exposure device includes a light source, a polygon mirror and a polygon motor. The light source is configured to emit a beam. The polygon mirror is configured to deflect the beam emitted from the light source. The polygon motor is configured to rotate the polygon mirror. The polygon motor is rotated at least temporarily when an aging mode to remove moisture from the surface of the photoreceptor is executed.
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公开(公告)号：US20190072870A1
公开(公告)日：2019-03-07
申请号：US16182087
申请日：2018-11-06
Applicant: KYOCERA Document Solutions Inc.
Inventor： Tamotsu SHIMIZU , Hiroka ITANI , Kenichi TAMAKI
CPC classification number: G03G15/0216 , D02G3/12 , G03G15/2014 , G03G21/06
Abstract: An image forming apparatus has an image carrier, an electrifying member, and a charge eliminating device, and eliminates remaining charge on the surface of the image carrier by the charge eliminating device. The charge eliminating device includes a discharge member. The discharge member includes an electro conductive knit fabric knitted in a cylindrical shape using twisted yarn made of twisted metal fibers and a support member having a cylindrical shape and inserted in the electro conductive knit fabric, and is disposed to face the image carrier in a noncontact manner. A magnet member is disposed inside the image carrier within a charge elimination nip width between two tangential lines of an outer circumference surface of the discharge member, the two tangential lines being parallel to a straight line passing through a rotation center of the image carrier and a center axis of the discharge member.
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公开(公告)号：US20170277061A1
公开(公告)日：2017-09-28
申请号：US15464860
申请日：2017-03-21
Applicant: KYOCERA Document Solutions Inc.
Inventor： Kenichi TAMAKI , Tamotsu SHIMIZU , Hiroka ITANI
IPC: G03G21/00
CPC classification number: G03G15/0241 , G03G15/6552 , G03G21/06
Abstract: A discharging member includes an electrically conductive knit fabric, a support member, and a first magnet member. The conductive knit fabric is knitted into a cylindrical shape with use of yarn formed by twisting together a plurality of metal fibers. The support member is cylindrical shaped and inserted in the conductive knit fabric. The first magnet member is placed inside the support member. With the conductive knit fabric grounded or with a voltage applied to the conductive knit fabric, the discharging member is placed in noncontact with a discharged member in such a fashion that the first magnet member is opposed to the discharged member with the support member and the conductive knit fabric interposed therebetween.
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8.发明申请公开(公告)号：US20170269498A1
公开(公告)日：2017-09-21
申请号：US15460736
申请日：2017-03-16
Applicant: KYOCERA Document Solutions Inc.
Inventor： Tamotsu SHIMIZU , Hiroka ITANI , Kenichi TAMAKI
IPC: G03G21/00
CPC classification number: G03G15/0216 , D02G3/12 , G03G15/2014 , G03G21/06
Abstract: A discharge member includes an electro conductive knit fabric and a support member. The electro conductive knit fabric is knitted in a cylindrical shape using twisted yarn made of twisted metal fibers. The support member is cylindrical and is inserted in the electro conductive knit fabric. The discharge member is disposed to face a member to be discharged in a noncontact manner, in a state where the electro conductive knit fabric is grounded or a voltage is applied to the electro conductive knit fabric.
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