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公开(公告)号：US11535031B2
公开(公告)日：2022-12-27
申请号：US17032552
申请日：2020-09-25
申请人： Mitsunobu Gohda , Tsuyoshi Nagasu , Koichi Kudo , Tomoaki Hayashi , Masayuki Sunaoshi , Masahiro Mizuno
发明人： Mitsunobu Gohda , Tsuyoshi Nagasu , Koichi Kudo , Tomoaki Hayashi , Masayuki Sunaoshi , Masahiro Mizuno
摘要： A liquid ejection apparatus is provided that includes a plurality of liquid ejection head units that are configured to eject liquid onto a conveyed object being conveyed; a detection unit that is provided with respect to each liquid ejection head unit of the plurality of liquid ejection head units and is configured to output a detection result indicating at least one of a position, a moving speed, and an amount of movement of the conveyed object with respect to a conveying direction of the conveyed object; and a control unit configured to control each liquid ejection head unit among the plurality of liquid ejection head units to eject liquid at a timing based on a plurality of the detection results of a plurality of the detection units.
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公开(公告)号：US20180272694A1
公开(公告)日：2018-09-27
申请号：US15926895
申请日：2018-03-20
申请人： Mitsunobu Gohda , Tomoaki Hayashi , Masahiro Mizuno , Tsuyoshi Nagasu , Koichi Kudo , Masayuki Sunaoshi
发明人： Mitsunobu Gohda , Tomoaki Hayashi , Masahiro Mizuno , Tsuyoshi Nagasu , Koichi Kudo , Masayuki Sunaoshi
IPC分类号： B41J2/045
CPC分类号： B41J2/04505 , B41J2/04503 , B41J2/04573 , B41J2/04586 , B41J2/2146 , B41J11/0095 , B41J11/42 , B41J25/001 , B41J2025/008
摘要： A conveyance device includes a conveyor to convey a conveyed object, a head unit to perform an operation on the conveyed object being conveyed at a first conveyance speed, a sensor to acquire data of the conveyed object, a gauge to output a measured travel amount of the conveyed object, and a processor. The processor includes a calculator to calculate a detection result including at least one of a position, a speed of travel, and a calculated travel amount of the conveyed object based on the data acquired by the sensor; and an adjusting unit to adjust a timing of acquisition of the data acquired while the conveyed object is conveyed at the first conveyance speed, based on the detection result and the measured travel amount of the conveyed object being conveyed at a second conveyance speed lower than the first conveyance speed.
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公开(公告)号：US10744756B2
公开(公告)日：2020-08-18
申请号：US15926895
申请日：2018-03-20
申请人： Mitsunobu Gohda , Tomoaki Hayashi , Masahiro Mizuno , Tsuyoshi Nagasu , Koichi Kudo , Masayuki Sunaoshi
发明人： Mitsunobu Gohda , Tomoaki Hayashi , Masahiro Mizuno , Tsuyoshi Nagasu , Koichi Kudo , Masayuki Sunaoshi
摘要： A conveyance device includes a conveyor to convey a conveyed object, a head unit to perform an operation on the conveyed object being conveyed at a first conveyance speed, a sensor to acquire data of the conveyed object, a gauge to output a measured travel amount of the conveyed object, and a processor. The processor includes a calculator to calculate a detection result including at least one of a position, a speed of travel, and a calculated travel amount of the conveyed object based on the data acquired by the sensor; and an adjusting unit to adjust a timing of acquisition of the data acquired while the conveyed object is conveyed at the first conveyance speed, based on the detection result and the measured travel amount of the conveyed object being conveyed at a second conveyance speed lower than the first conveyance speed.
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公开(公告)号：US20180236794A1
公开(公告)日：2018-08-23
申请号：US15897096
申请日：2018-02-14
IPC分类号： B41J15/04 , B41J11/00 , B41J2/045 , G01N21/86 , B41J2/125 , B41J19/20 , B65H5/02 , B65H20/02 , G01N21/89
CPC分类号： B41J15/048 , B41J2/04573 , B41J2/125 , B41J2/2146 , B41J11/007 , B41J11/0095 , B41J19/205 , B41J25/001 , B41J29/38 , B41J2025/008 , B65H5/026 , B65H20/02 , B65H2801/03 , G01N21/86 , G01N21/8903 , G01N2021/8636
摘要： A conveyance device includes a conveyor to convey a conveyed object, a head unit to perform an operation on the conveyed object, a sensor to obtain surface data of the conveyed object, provided for each head unit, and at least one processor. The processor is configured to calculate a first detection result including at least one of a position, a speed of movement, and an amount of movement of the conveyed object based on the surface data, set a detection area based on the first detection result, calculate a second detection result using the detection area according to the first detection result. The processor is further configured to control operation of the at least one head unit based on the second detection result.
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公开(公告)号：US10207494B2
公开(公告)日：2019-02-19
申请号：US15382963
申请日：2016-12-19
摘要： A liquid ejection apparatus includes a plurality of liquid ejection head units that eject liquid onto a conveyed object at different positions along a conveying path; a first support member and a second support member that are respectively provided at an upstream side and a downstream side of a landing position of liquid ejected by a corresponding liquid ejection head unit; a first detection unit that is installed between the first support member and the second support member and is configured to detect a position of the conveyed object in a direction orthogonal to a conveying direction of the conveyed object; a second detection unit that is installed upstream of the first detection unit; and a movement control unit that moves each liquid ejection head unit based on a plurality of detection results output by the first detection unit and/or the second detection unit.
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公开(公告)号：US20180270366A1
公开(公告)日：2018-09-20
申请号：US15921616
申请日：2018-03-14
IPC分类号： H04N1/00
CPC分类号： H04N1/0066 , H04N1/00005 , H04N1/047 , H04N2201/04703 , H04N2201/0471 , H04N2201/04715
摘要： An image forming apparatus includes a conveyor to convey a conveyed object in a conveyance direction, a plurality of head units to perform image formation on the conveyed object, a displacement sensor disposed downstream from the plurality of head units to detect a position adjustment image on the conveyed object, formed by the plurality of head units, and at least one processor configured to adjust an image formation position of at least one of the head units in a direction orthogonal to the conveyance direction, based on a result generated by the displacement sensor. The image forming apparatus further includes a surface sensor to obtain surface data of the conveyed object at a position corresponding to the head unit to be adjusted, and the processor further adjusts the image formation position in the orthogonal direction based on the surface data obtained by the surface sensor.
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公开(公告)号：US10334130B2
公开(公告)日：2019-06-25
申请号：US15921616
申请日：2018-03-14
摘要： An image forming apparatus includes a conveyor to convey a conveyed object in a conveyance direction, a plurality of head units to perform image formation on the conveyed object, a displacement sensor disposed downstream from the plurality of head units to detect a position adjustment image on the conveyed object, formed by the plurality of head units, and at least one processor configured to adjust an image formation position of at least one of the head units in a direction orthogonal to the conveyance direction, based on a result generated by the displacement sensor. The image forming apparatus further includes a surface sensor to obtain surface data of the conveyed object at a position corresponding to the head unit to be adjusted, and the processor further adjusts the image formation position in the orthogonal direction based on the surface data obtained by the surface sensor.
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公开(公告)号：US10336063B2
公开(公告)日：2019-07-02
申请号：US15657595
申请日：2017-07-24
申请人： Hanako Bando , Koichi Kudo , Tsuyoshi Nagasu
发明人： Hanako Bando , Koichi Kudo , Tsuyoshi Nagasu
摘要： A liquid discharge apparatus includes a head to discharge liquid onto a conveyed object, at least one light source to irradiate the conveyed object with light having a high relative intensity in a range of wavelength in which a relative reflectance of the liquid is high, and a detector including at least one optical sensor to perform imaging of the conveyed object being irradiated by the at least one light source, to generate data. The detector is configured to generate a detection result based on the data. The detection result including at least one of a conveyance amount of the conveyed object and a conveyance speed of the conveyed object.
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9.发明授权公开(公告)号：US10427423B2
公开(公告)日：2019-10-01
申请号：US14876350
申请日：2015-10-06
申请人： Tsuyoshi Nagasu , Takahiro Inoue , Tomoaki Hayashi
发明人： Tsuyoshi Nagasu , Takahiro Inoue , Tomoaki Hayashi
摘要： A recording device discharge position adjustor includes a recording device to discharge liquid droplets onto a recording medium; an edge detector unit to detect a lateral edge position of the recording medium in a direction perpendicular to a recording medium conveyance direction; a discharge position adjustor to adjust a discharge position of the liquid droplets from the recording device relative to the recording medium; a controller to adjust the discharge position using the discharge position adjustor; and an edge position converter to convert the edge position of the recording medium detected by the edge detector unit to an edge position at a position of the recording device, in which the controller adjusts the discharge position of the recording device by an adjustment amount corresponding to the edge position of the recording medium at the position of the recording device converted by the edge position converter.
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10.发明授权公开(公告)号：US10040278B2
公开(公告)日：2018-08-07
申请号：US15456677
申请日：2017-03-13
申请人： Tsuyoshi Nagasu , Koichi Kudo
发明人： Tsuyoshi Nagasu , Koichi Kudo
摘要： A conveyed object detection apparatus includes an optical sensor configured to receive light reflected by a conveyed object; a detection unit configured to use the optical sensor to acquire a detection result indicating a position, a moving speed, or a moved amount of the conveyed object in at least one of a conveyance direction in which the conveyed object is conveyed and a direction perpendicular to the conveyance direction, or a combination of the position, the moving speed, and the moved amount; and a setting unit configured to set an aperture value and an exposure time concerning the optical sensor based on the detection result.
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