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公开(公告)号：US09944103B2
公开(公告)日：2018-04-17
申请号：US14946395
申请日：2015-11-19
IPC分类号： B41J29/393 , B41J2/12 , B41J29/38
CPC分类号： B41J29/393 , B41J2/12 , B41J29/38 , B41J2029/3935
摘要： An image forming apparatus includes a recording head in which a plurality of nozzles for discharging liquid droplets; and a pattern forming unit configured to form a test pattern used for positional deviation adjustment including a first pattern serving as a reference pattern and a second pattern serving as an adjustment pattern. The first pattern and the second pattern each are a linear pattern that is parallel to a nozzle arrangement direction and has a disconnected portion. The disconnected portion of the first pattern and the disconnected portion of the second pattern are shifted from each other in the nozzle arrangement direction.
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2.发明授权Method and apparatus for determining pattern position and image forming system including the same 有权用于确定图案位置的图像形成系统的方法和装置及包括其的图像形成系统公开(公告)号：US09039118B2
公开(公告)日：2015-05-26
申请号：US13396979
申请日：2012-02-15
IPC分类号： B41J29/38 , B41J29/393 , B41J2/21
CPC分类号： B41J2/2142
摘要： An image forming apparatus is disclosed which reads a test pattern formed by ejecting liquid droplets onto a recording medium to adjust an ejection timing of the liquid droplets. The image forming apparatus includes a reading unit; a relative movement unit; a second detected data obtaining unit; a first detected data obtaining unit; a subtraction processing unit which subtracts a value comparable to a local minimum value of first detected data sets from each of the first detected data sets and second detected data sets; and a signal correction unit which calculates a proportion of the subtracted first detected data sets relative to the subtracted second detected data sets to align a local maximum value of the first detected data sets such that it is generally constant.
摘要翻译： 公开了一种图像形成装置，其读取通过将液滴喷射到记录介质上而调整液滴的喷射正时而形成的测试图案。 图像形成装置包括读取单元; 相对运动单位; 第二检测数据获取单元; 第一检测数据获取单元; 减法处理单元，从每个第一检测数据集和第二检测数据集中减去与第一检测数据集的局部最小值相当的值; 以及信号校正单元，其计算相对于所减去的第二检测数据集的减法的第一检测数据集合的比例，以使得第一检测数据集的局部最大值一般为常数。
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3.发明授权Imaging unit, color measuring device, image forming apparatus, color measuring system, and color measuring method 有权成像单元，测色装置，成像装置，色彩测量系统和色彩测量方法公开(公告)号：US08947731B2
公开(公告)日：2015-02-03
申请号：US13835823
申请日：2013-03-15
申请人： Yasuyuki Suzuki , Nobuyuki Satoh , Mamoru Yorimoto , Suguru Yokozawa , Yuichi Sakurada , Masato Kobayashi , Tatsuhiko Okada , Tomokazu Kanzawa , Daisaku Horikawa , Hiroshi Matsumoto , Ryo Honda , Makoto Moriwaki
发明人： Yasuyuki Suzuki , Nobuyuki Satoh , Mamoru Yorimoto , Suguru Yokozawa , Yuichi Sakurada , Masato Kobayashi , Tatsuhiko Okada , Tomokazu Kanzawa , Daisaku Horikawa , Hiroshi Matsumoto , Ryo Honda , Makoto Moriwaki
CPC分类号： G06K15/02 , H04N1/4076
摘要： An imaging unit includes a frame having an opening; a sensor unit that captures, via the opening, a subject located outside the frame; a reference chart unit that is arranged on the frame and is captured by the sensor unit together with the subject; and a cover member that covers the opening.
摘要翻译： 成像单元包括具有开口的框架; 传感器单元，其经由所述开口捕获位于所述框架外部的对象; 参考图表单元，其布置在所述框架上并且与所述对象一起被所述传感器单元捕获; 以及覆盖所述开口的盖构件。
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4.发明申请IMAGE FORMING APPARATUS, METHOD FOR FORMING TEST PATTERN, AND COMPUTER PROGRAM PRODUCT 有权图像形成装置，形成测试图案的方法和计算机程序产品公开(公告)号：US20140152737A1
公开(公告)日：2014-06-05
申请号：US14094576
申请日：2013-12-02
IPC分类号： B41J2/12
CPC分类号： B41J29/393 , B41J2/12 , B41J29/38 , B41J2029/3935
摘要： An image forming apparatus includes a recording head in which a plurality of nozzles for discharging liquid droplets; and a pattern forming unit configured to form a test pattern used for positional deviation adjustment including a first pattern serving as a reference pattern and a second pattern serving as an adjustment pattern. The first pattern and the second pattern each are a linear pattern that is parallel to a nozzle arrangement direction and has a disconnected portion. The disconnected portion of the first pattern and the disconnected portion of the second pattern are shifted from each other in the nozzle arrangement direction.
摘要翻译： 图像形成装置包括：记录头，其中多个用于排出液滴的喷嘴; 以及图案形成单元，被配置为形成用于位置偏差调整的测试图案，包括用作参考图案的第一图案和用作调整图案的第二图案。 第一图案和第二图案各自是与喷嘴布置方向平行的线状图案，并且具有断开部分。 第一图案的断开部分和第二图案的断开部分在喷嘴排列方向上彼此偏移。
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5.发明申请IMAGE FORMING APPARATUS, PATTERN POSITION DETERMINING METHOD, AND IMAGE FORMING SYSTEM 有权图像形成装置，图案位置确定方法和图像形成系统公开(公告)号：US20120218340A1
公开(公告)日：2012-08-30
申请号：US13400740
申请日：2012-02-21
IPC分类号： B41J29/393
CPC分类号： B41J2/2132
摘要： An image forming apparatus is disclosed which reads a test pattern, including a reading unit, a relative movement unit, a second detected data obtaining unit which obtains one or more second detected data sets of a reflected light which is received from a scanning position of a light by a light receiving unit while the reading unit moves relatively with respect to the recording medium before the test pattern is formed, a first detected data obtaining unit which obtains one or more first detected data sets of the reflected light which is received by the light receiving unit when the light moves over the test pattern at generally the same scanning position as the scanning position while the reading unit moves relatively with respect to the recording medium after the test pattern is formed, and a signal correction unit.
摘要翻译： 公开了一种图像形成装置，其读取测试图案，包括读取单元，相对移动单元，第二检测数据获取单元，其获得从扫描位置接收的反射光的一个或多个第二检测数据组 在形成测试图案之前，读取单元相对于记录介质移动的同时由光接收单元发出的光;第一检测数据获取单元，其获得由光接收的反射光的一个或多个第一检测数据组 以及信号校正单元，当读取单元在形成测试图案之后相对于记录介质相对移动时，光在与扫描位置大致相同的扫描位置移动到测试图案上。
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6.发明授权Method of detecting a pattern position in an image forming apparatus which reads a test pattern formed onto a recording medium to adjust an ejection timing of liquid droplets, image forming apparatus and image forming system 有权检测图像形成装置中的图案位置的方法，该图像形成装置读取形成在记录介质上的测试图案，以调节液滴的喷射定时，图像形成装置和图像形成系统公开(公告)号：US09039119B2
公开(公告)日：2015-05-26
申请号：US13413706
申请日：2012-03-07
IPC分类号： B41J29/38 , B41J29/393 , B41J2/21
CPC分类号： B41J2/2142 , B41J2/2135
摘要： An image forming apparatus which reads a test pattern formed onto a recording medium to adjust an ejection timing of liquid droplets is disclosed. The apparatus includes a reading unit; a pattern data storage unit; an image forming unit; a relative movement unit; an intensity data obtaining unit which obtains intensity data on a reflected light which is received by a light receiving unit from a scanning position of a light while the light moves over the test pattern; and a position detecting unit which applies a line position determining operation on the intensity data and detects a line position.
摘要翻译： 公开了一种图像形成装置，其读取形成在记录介质上的测试图案以调节液滴的喷射定时。 该装置包括读取单元; 图案数据存储单元; 图像形成单元; 相对运动单位; 强度数据获取单元，其在光在测试图案上移动时从光的扫描位置获得由光接收单元接收的反射光的强度数据; 以及位置检测单元，其对强度数据应用行位置确定操作并检测行位置。
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7.发明申请IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND COMPUTER-READABLE STORAGE MEDIUM 有权图像形成装置，图像形成方法和计算机可读存储介质公开(公告)号：US20140146101A1
公开(公告)日：2014-05-29
申请号：US14092616
申请日：2013-11-27
IPC分类号： B41J2/045
CPC分类号： B41J2/04563 , B41J2/04503 , B41J2/04551 , B41J2/04573 , B41J2/04586 , B41J2/04588
摘要： An image forming apparatus includes a recording-head carrier including a recording head for ejecting a liquid droplet onto a recording medium, a relative moving unit configured to relatively move the recording-head carrier and the recording medium; an image recording unit configured to drive the recording head by a driving signal having a driving waveform to eject liquid droplets toward the recording medium while relatively moving the recording-head carrier and the recording medium; a driving-waveform determining unit configured to determine the driving waveform of the driving signal based on a detected temperature near the recording head; a drive-timing determining unit configured to determine drive timing at which the recording head is driven by the driving signal, based on the detected temperature; and a drive control unit configured to set the driving waveform and the drive timing to the image recording unit to drive the recording head.
摘要翻译： 图像形成装置包括：记录头载体，包括用于将液滴喷射到记录介质上的记录头;相对移动单元，被配置为相对移动记录头载体和记录介质; 图像记录单元，被配置为通过具有驱动波形的驱动信号驱动记录头，以在相对移动记录头载体和记录介质的同时将液滴喷射到记录介质; 驱动波形确定单元，被配置为基于所述记录头附近的检测温度来确定所述驱动信号的驱动波形; 驱动定时确定单元，被配置为基于检测到的温度来确定由驱动信号驱动记录头的驱动定时; 以及驱动控制单元，被配置为将图像记录单元的驱动波形和驱动定时设定为驱动记录头。
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8.发明申请IMAGE FORMING APPARATUS, PATTERN POSITION DETERMINING METHOD, AND IMAGE FORMING SYSTEM 有权图像形成装置，图案位置确定方法和图像形成系统公开(公告)号：US20120218568A1
公开(公告)日：2012-08-30
申请号：US13397133
申请日：2012-02-15
IPC分类号： G06K15/10
CPC分类号： B41J29/38
摘要： An image forming apparatus which reads a test pattern formed by ejecting liquid droplets onto a recording medium to adjust an ejection timing of the liquid droplets is disclosed. The image forming apparatus includes an image forming unit; a reading unit; a relative movement unit; an intensity data obtaining unit which obtains intensity data on a reflected light which is received from a scanning position of a light by a light receiving unit while the light moves over the test pattern; and a position detection unit which applies a line position determining operation on the intensity data in the vicinity of a point of inflection included between an upper-limit threshold value and a lower-limit threshold value, and detects a position of a line.
摘要翻译： 公开了一种图像形成装置，其读取通过将液滴喷射到记录介质上以调节液滴的喷射正时而形成的测试图案。 图像形成装置包括图像形成单元; 阅读单位 相对运动单位; 强度数据获取单元，其获得当光在测试图案上移动时由光接收单元从光的扫描位置接收的反射光的强度数据; 以及位置检测单元，其对包括在上限阈值和下限阈值之间的拐点附近的强度数据施加线位置确定操作，并检测线的位置。
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9.发明申请IMAGE FORMING APPARATUS, PATTERN POSITION DETERMINING METHOD, AND IMAGE FORMING SYSTEM 有权图像形成装置，图案位置确定方法和图像形成系统公开(公告)号：US20120218336A1
公开(公告)日：2012-08-30
申请号：US13396979
申请日：2012-02-15
IPC分类号： B41J29/393
CPC分类号： B41J2/2142
摘要： An image forming apparatus is disclosed which reads a test pattern formed by ejecting liquid droplets onto a recording medium to adjust an ejection timing of the liquid droplets. The image forming apparatus includes a reading unit; a relative movement unit; a second detected data obtaining unit; a first detected data obtaining unit; a subtraction processing unit which subtracts a value comparable to a local minimum value of first detected data sets from each of the first detected data sets and second detected data sets; and a signal correction unit which calculates a proportion of the subtracted first detected data sets relative to the subtracted second detected data sets to align a local maximum value of the first detected data sets such that it is generally constant.
摘要翻译： 公开了一种图像形成装置，其读取通过将液滴喷射到记录介质上而调整液滴的喷射正时而形成的测试图案。 图像形成装置包括读取单元; 相对运动单位; 第二检测数据获取单元; 第一检测数据获取单元; 减法处理单元，从每个第一检测数据集和第二检测数据集中减去与第一检测数据集的局部最小值相当的值; 以及信号校正单元，其计算相对于所减去的第二检测数据集的减法的第一检测数据集合的比例，以使得第一检测数据集的局部最大值一般为常数。
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10.发明申请IMAGE FORMING APPARATUS, METHOD FOR FORMING TEST PATTERN, AND COMPUTER PROGRAM PRODUCT 有权图像形成装置，形成测试图案的方法和计算机程序产品公开(公告)号：US20160075158A1
公开(公告)日：2016-03-17
申请号：US14946395
申请日：2015-11-19
IPC分类号： B41J29/393
CPC分类号： B41J29/393 , B41J2/12 , B41J29/38 , B41J2029/3935
摘要： An image forming apparatus includes a recording head in which a plurality of nozzles for discharging liquid droplets; and a pattern forming unit configured to form a test pattern used for positional deviation adjustment including a first pattern serving as a reference pattern and a second pattern serving as an adjustment pattern. The first pattern and the second pattern each are a linear pattern that is parallel to a nozzle arrangement direction and has a disconnected portion. The disconnected portion of the first pattern and the disconnected portion of the second pattern are shifted from each other in the nozzle arrangement direction.
摘要翻译： 图像形成装置包括：记录头，其中多个用于排出液滴的喷嘴; 以及图案形成单元，被配置为形成用于位置偏差调整的测试图案，包括用作参考图案的第一图案和用作调整图案的第二图案。 第一图案和第二图案各自是与喷嘴布置方向平行的线状图案，并且具有断开部分。 第一图案的断开部分和第二图案的断开部分在喷嘴排列方向上彼此偏移。
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