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公开(公告)号：US12061825B2
公开(公告)日：2024-08-13
申请号：US17890848
申请日：2022-08-18
发明人： Saeko Oishi , Taichi Takemura , Akihito Yokote
IPC分类号： G06F3/12
CPC分类号： G06F3/1208 , G06F3/1217 , G06F3/1234 , G06F3/1273
摘要： An information processing apparatus configured to output information to a computing apparatus configured to generate a model for determining a density of an image to be formed by an image forming apparatus, the information processing apparatus includes: an acquisition unit configured to acquire pieces of log data each relating to a measurement result of an image formed by the image forming apparatus; a reception unit configured to receive information for specifying a piece of log data to be used for generation of the model among the pieces of log data acquired by the acquisition unit; and a transmission unit configured to transmit the information to the computing apparatus.
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公开(公告)号：US20230090095A1
公开(公告)日：2023-03-23
申请号：US17948915
申请日：2022-09-20
发明人： Taichi Takemura , Akihito Yokote
摘要： An image forming apparatus comprises an image forming unit; a sensor that measures a measurement image; and a controller. The controller controls the image forming condition based on a measurement result of measuring a first measurement image; acquires information having a correlation to density variation of images to be formed by the image forming unit; controls the image forming condition based on the information; determines a first value regarding a density of an image to be formed, based on a measurement result of measuring a second measurement image; determines a second value regarding a density of the image to be formed by the image forming unit, based on the information; and controls a timing at which the image forming unit next forms the first measurement image, based on the first value and the second value.
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公开(公告)号：US11592773B2
公开(公告)日：2023-02-28
申请号：US16988194
申请日：2020-08-07
发明人： Akihito Yokote
IPC分类号： G03G15/00 , G03G15/043
摘要： An image forming apparatus includes a converter configured to convert image data with use of a tone correction condition corresponding to a position in a main scanning direction of the image data, and an image forming unit, which includes a photosensitive member and an exposure portion configured to expose the photosensitive member to light based on the converted image data, and is configured to form an image on a recording medium. The image forming apparatus further includes a holding portion configured to hold a plurality of feedback conditions corresponding to a plurality of tones and a controller configured to control the image forming unit to form a plurality of test images, acquire measurement results for the plurality of test images, and generate the tone correction condition based on the measurement results and the plurality of feedback conditions.
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公开(公告)号：US20210302886A1
公开(公告)日：2021-09-30
申请号：US17209538
申请日：2021-03-23
发明人： Akihito Yokote
IPC分类号： G03G15/00
摘要： In an image forming apparatus, an image processing unit converts image data based on a plurality of conversion conditions corresponding to a plurality of positions in a predetermined direction. A controller controls the image forming unit to form an image based on the image data converted by the image processing unit, and controls the image forming unit to form a plurality of pattern images including first, second and third pattern images. The controller controls a reading unit to read the plurality of pattern images on the sheet, generates correction conditions corresponding to the plurality of positions in the predetermined direction based on a reading result of the reading unit, and generates the plurality of conversion conditions based on the reading result and the correction conditions corresponding to the plurality of positions in the predetermined direction.
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公开(公告)号：US20210150290A1
公开(公告)日：2021-05-20
申请号：US16952261
申请日：2020-11-19
发明人： Akihito Yokote
摘要： An image forming apparatus includes an image forming unit configured to form an image on a sheet, a conveyance roller configured to convey the sheet along a conveyance path, a reading unit which is provided on the conveyance path, and is configured to read a pattern formed on the sheet, and a controller. The controller is configured to control the image forming unit to form a first pattern, control the conveyance roller to convey a sheet having the first pattern formed thereon, control the reading unit to read the first pattern, generate first data based on a result of reading the first pattern, control the image forming unit to form a user image and a second pattern, the second pattern being formed in a region on the sheet that is different from a region in which the user image is formed.
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公开(公告)号：US11818304B2
公开(公告)日：2023-11-14
申请号：US17953812
申请日：2022-09-27
发明人： Akihito Yokote , Taichi Takemura
CPC分类号： H04N1/00045 , H04N1/00005 , H04N1/00031 , H04N1/00082
摘要： An image forming apparatus includes an image forming unit to form an image based on an image forming condition and a controller. The controller determines information related to a density of an image to be formed by the image forming unit; generates the image forming condition based on the information; acquires measurement data outputted from a sensor related to a test image; determines, based on a first determination condition, first information related to a density of the test image; determines, based on a second determination condition, second information related to a density of the test image; and selects the determination condition from among a plurality of determination conditions including the first determination condition and the second determination condition.
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公开(公告)号：US20230064610A1
公开(公告)日：2023-03-02
申请号：US17890848
申请日：2022-08-18
发明人： Saeko Oishi , Taichi Takemura , Akihito Yokote
IPC分类号： G06F3/12
摘要： An information processing apparatus configured to output information to a computing apparatus configured to generate a model for determining a density of an image to be formed by an image forming apparatus, the information processing apparatus includes: an acquisition unit configured to acquire pieces of log data each relating to a measurement result of an image formed by the image forming apparatus; a reception unit configured to receive information for specifying a piece of log data to be used for generation of the model among the pieces of log data acquired by the acquisition unit; and a transmission unit configured to transmit the information to the computing apparatus.
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公开(公告)号：US20230013372A1
公开(公告)日：2023-01-19
申请号：US17863132
申请日：2022-07-12
发明人： Akihito Yokote , Taichi Takemura , Saeko Oishi
IPC分类号： G03G15/00
摘要： An image forming apparatus is provided. The apparatus comprises an image forming unit to form an image based on an image forming condition; a sensor to measure a measurement image formed by the image forming unit; and a controller to obtain information correlated with a change in density of an image to be formed by the image forming unit, control the sensor to measure the measurement image, determine first data related to density of the image to be formed by the image forming unit, determine, based on a result of measuring the measurement image, second data related to density of the image to be formed by the image forming unit, and generate the image forming condition based on a weighted average of the first data and the second data.
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公开(公告)号：US11442388B2
公开(公告)日：2022-09-13
申请号：US17209538
申请日：2021-03-23
发明人： Akihito Yokote
IPC分类号： G03G15/00
摘要： In an image forming apparatus, an image processing unit converts image data based on a plurality of conversion conditions corresponding to a plurality of positions in a predetermined direction. A controller controls an image forming unit to form an image based on the image data converted by the image processing unit, and controls the image forming unit to form a plurality of pattern images including first, second and third pattern images. The controller controls a reading unit to read the plurality of pattern images on the sheet, generates correction conditions corresponding to the plurality of positions in the predetermined direction based on a reading result of the reading unit, and generates the plurality of conversion conditions based on the reading result and the correction conditions corresponding to the plurality of positions in the predetermined direction.
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公开(公告)号：US20210041822A1
公开(公告)日：2021-02-11
申请号：US16988194
申请日：2020-08-07
发明人： Akihito Yokote
IPC分类号： G03G15/00
摘要： An image forming apparatus includes a converter configured to convert image data with use of a tone correction condition corresponding to a position in a main scanning direction of the image data, an image forming unit, which includes a photosensitive member and an exposure portion configured to expose the photosensitive member to light based on the converted image data, and is configured to form an image on a recording medium. The image forming apparatus further includes a holding portion configured to hold a plurality of feedback conditions corresponding to a plurality of tones and a controller configured to control the image forming unit to form a plurality of test images, acquire measurement results for the plurality of test images, and generate the tone correction condition based on the measurement results and the plurality of feedback conditions.
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