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公开(公告)号：US11866292B2
公开(公告)日：2024-01-09
申请号：US17529414
申请日：2021-11-18
Applicant: KONICA MINOLTA, INC.
Inventor： Atsushi Takahashi , Hitoshi Asano , Yumiko Izumiya , Hirotada Seki , Akimasa Ishikawa
CPC classification number: B65H7/20 , B65H11/00 , B65H43/00 , G03G15/5029 , B65H2405/332 , B65H2511/13 , B65H2511/135 , B65H2511/416 , B65H2515/10 , B65H2515/81 , B65H2553/80 , B65H2801/06 , G03G2215/00447
Abstract: An image forming apparatus includes an image former that forms an image on a sheet of paper, a detector that detects a physical property of a sheet of paper, a receiver that receives paper identification information used in identification of a sheet of paper designated by a user, and a hardware processor. The hardware processor performs: first judgement of judging whether or not there is a correspondence between the paper identification information received by the receiver and a detection result by the detector, second judgement of judging whether or not there is a correspondence between a detection result by the detector of a first sheet of paper conveyed and a detection result by the detector of a second sheet of paper conveyed; and operation control of the image former based on a first judgement result in the first judgement and a second judgement result in the second judgement.
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公开(公告)号：US10075607B2
公开(公告)日：2018-09-11
申请号：US15444433
申请日：2017-02-28
Applicant: Konica Minolta, Inc.
Inventor： Hitoshi Asano , Katsuhide Sakai , Tomonobu Tamura , Harumitsu Fujimori
CPC classification number: H04N1/0318 , H04N1/0285 , H04N1/02865 , H04N1/02895 , H04N1/0306 , H04N2201/0081 , H04N2201/02487 , H04N2201/02493 , H04N2201/02497
Abstract: A reading apparatus that reads a sheet includes: a first light emitting diode (LED) configured to emit light with a specific wavelength; a light emitting element including a second LED configured to emit light with the specific wavelength and a phosphor configured to be excited by the light emitted from the second LED; a line sensor configured to generate a reference signal according to a quantity of received light emitted from the first LED and reflected off the sheet, and also generate an image signal according to a quantity of received light emitted from the light emitting element and reflected off the sheet; and a controller configured to generate an image representing the sheet from a differential result obtained by removing a component corresponding to the reference signal from the image signal.
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公开(公告)号：US11740580B2
公开(公告)日：2023-08-29
申请号：US17743577
申请日：2022-05-13
Applicant: KONICA MINOLTA, INC.
Inventor： Akimasa Ishikawa , Hitoshi Asano , Yumiko Izumiya , Hirotada Seki , Kazutoshi Yoshimura , Yasuo Koyanagi
CPC classification number: G03G15/6585 , G03G15/5029 , G03G15/5062
Abstract: Provided are an image forming system and a method for detecting glossiness capable of accurately detecting glossiness in various media having different conditions.
The image forming system includes a sensor unit including a light source that irradiates a medium being conveyed with light and a gloss sensor that receives light emitted from the light source and specularly reflected on the medium and detects a diffusion distribution of light in the medium, and a detection condition setting unit that identifies a type of the medium being conveyed and sets a light amount of the light source and/or exposure time of the gloss sensor at the time of glossiness detection in accordance with the type of the medium. The image forming system further includes a glossiness detector that detects glossiness of the medium from a diffusion distribution of light detected by the gloss sensor under the detection condition set by the detection condition setting unit.-
公开(公告)号：US11507007B2
公开(公告)日：2022-11-22
申请号：US17347178
申请日：2021-06-14
Applicant: KONICA MINOLTA, INC.
Inventor： Atsushi Takahashi , Hitoshi Asano , Yumiko Izumiya , Hirotada Seki , Akimasa Ishikawa
IPC: G03G15/00
Abstract: A glossiness inspection device includes an illumination device that emits irradiation light to a glossiness detection target and a light receiving device that receives reflected light of the irradiation light reflected by the glossiness detection target and outputs a light reception detection signal according to an amount of the received light. A dimmer of the device adjusts an amount of the irradiation light, and a detection signal adjuster of the device adjusts a gain for amplifying the light reception detection signal. An irradiation position controller of the device selectively irradiates a first gloss region and a second gloss region of a correction plate with the irradiation light. A hardware processor of the device adjusts at least one of the amount of the irradiation light, an offset of the detection signal adjuster, a characteristic straight line for calculating a glossiness, or a calculated glossiness.
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公开(公告)号：US10710829B2
公开(公告)日：2020-07-14
申请号：US16201452
申请日：2018-11-27
Applicant: KONICA MINOLTA, INC.
Inventor： Hiroshi Yamaguchi , Hitoshi Asano , Toshikazu Higashi , Tomonobu Tamura
Abstract: A paper conveyance device includes: an upstream roller and a downstream roller being arranged at an interval in a paper conveyance path; paper conveyance guides being arranged between the upstream and downstream roller in the paper conveyance path to guide both surfaces of paper along the paper conveyance path during paper conveyance; drivers that drive the upstream and downstream roller independently; and a processor that measures the load torques on the upstream and downstream roller, that judges whether or not the paper is rubbing against one of the paper conveyance guides with reference to the load torques on the upstream and downstream roller, the load torques being obtained by the processor, and that performs controlled paper conveyance with reference to the load torques on the upstream and downstream roller depending on the result of the judgment being obtained by the processor.
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Patent Agency Ranking
公开(公告)号：US11940750B2
公开(公告)日：2024-03-26
申请号：US17968455
申请日：2022-10-18
Applicant: Konica Minolta, Inc.
Inventor： Hiroyuki Yoshikawa , Hitoshi Asano , Yumiko Izumiya , Yasuhiro Koide
IPC: G03G15/00 , B65H43/00 , G01B11/30 , G01N3/06 , G01N3/20 , G01N21/27 , G01N21/3554 , G01N21/359 , G01N21/86 , G01N27/04
CPC classification number: G03G15/5029 , B65H43/00 , G01N3/06 , G01N3/20 , G01N21/3554 , G01N21/359 , G01N21/86 , G01N27/04 , G03G15/6529 , B65H2515/70 , B65H2515/805 , B65H2515/81 , B65H2553/40 , G01N2203/0023 , G01N2203/06
Abstract: Paper physical property detecting device includes a first detector that measures a sheet of paper (hereinafter, merely referred to as a paper) made to stop temporarily on a conveyance path and acquires a first value corresponding to a first physical property, a second detector that measures a paper while conveying the paper on the conveyance path and acquires a second value corresponding to a second physical property with regard to a physical property different from the first physical property; and a corrector that corrects the first value on a basis of the second value and creates post correction data.
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公开(公告)号：US11533408B2
公开(公告)日：2022-12-20
申请号：US17513778
申请日：2021-10-28
Applicant: KONICA MINOLTA, INC.
Inventor： Hirotada Seki , Hitoshi Asano , Yumiko Izumiya , Akimasa Ishikawa , Kazutoshi Yoshimura , Yasuo Koyanagi
Abstract: To provide a sheet conveyance device capable of preventing degradation in quality of conveying a sheet and image quality even when a stiffness of the sheet is different between a sheet conveyance direction and a sheet width direction. A sheet conveyance device of an image forming apparatus includes an image forming part that conveys a sheet along a conveyance path; and a stiffness acquisition part that acquires a stiffness of the sheet in a first direction including a component in the sheet conveyance direction by bending the sheet in the first direction, and acquires a stiffness of the sheet in a second direction including a component in the sheet width direction orthogonal to the sheet conveyance direction by bending the sheet in the second direction.
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公开(公告)号：US11286125B2
公开(公告)日：2022-03-29
申请号：US16741922
申请日：2020-01-14
Applicant: KONICA MINOLTA, INC.
Inventor： Yumiko Izumiya , Satoshi Ogata , Kazutoshi Yoshimura , Hitoshi Asano , Hirotada Seki , Akimasa Ishikawa
Abstract: A measuring device, includes a physical property value detector and a push contact member that pushes to bring a sheet material in contact with the physical property value detector; and further includes a first processor that stops conveyance of the sheet material, pushes to bring the sheet material in contact with the physical property value detector, and detects a physical property value of the sheet material; a second processor that, after having detected the physical property value, cancels the pushing by the push contact member, separates the sheet material from the physical property value detector, and starts conveyance of the sheet material; and a physical property value specifier that specifies the physical property value on a basis of physical property values of a plurality of positions within a surface of the sheet material detected by executing the first processing and the second processing repeatedly.
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公开(公告)号：US20210078816A1
公开(公告)日：2021-03-18
申请号：US17020212
申请日：2020-09-14
Applicant: Konica Minolta, Inc.,
Inventor： Yumiko Izumiya , Satoshi Ogata , Kazutoshi Yoshimura , Hitoshi Asano , Hirotada Seki , Akimasa Ishikawa , Masashi Sugano , Tsuyoshi Yoneyama , Hiroyuki Maruyama
Abstract: Provided is a recording medium detection device which prevents the decline in productivity. The recording medium detection device comprises a first detecting section and a second detecting section. The first detecting section performs a first adjustment process and makes a detection of a recording medium being transported. The second detecting section is located more downstream than the first detecting section in the transportation direction of the recording medium, performs a second adjustment process which takes a longer time than the first adjustment process, and makes a detection of the recording medium being transported.
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公开(公告)号：US20210078813A1
公开(公告)日：2021-03-18
申请号：US17020220
申请日：2020-09-14
Applicant: Konica Minolta, Inc.
Inventor： Yumiko Izumiya , Satoshi Ogata , Kazutoshi Yoshimura , Hitoshi Asano , Hirotada Seki , Akimasa Ishikawa , Masashi Sugano , Tsuyoshi Yoneyama , Hiroyuki Maruyama
Abstract: Provided is a recording medium detection device which prevents a recording medium from jamming. The device comprises: a first roller and a second roller which nip and transport a recording medium; a roller shaft which rotatably supports the second roller; a shaft support; and a displacement detector. The shaft support supports the roller shaft movably in the thickness direction of the recording medium. The displacement detector detects displacement of the second roller in the thickness direction. The shaft support further supports the second roller movably in the transportation direction of the recording medium through the roller shaft.
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