COLOR MEASURING DEVICE, IMAGE FORMING APPARATUS, COLOR MEASURING METHOD, AND COLOR MEASURING SYSTEM
    62.
    发明申请
    COLOR MEASURING DEVICE, IMAGE FORMING APPARATUS, COLOR MEASURING METHOD, AND COLOR MEASURING SYSTEM 有权
    颜色测量装置,图像形成装置,颜色测量方法和颜色测量系统

    公开(公告)号:US20130208289A1

    公开(公告)日:2013-08-15

    申请号:US13768629

    申请日:2013-02-15

    IPC分类号: G01J3/46

    摘要: A color measuring device includes a unit configured to calculate a reference-value matrix for converting imaged reference RGB value of a reference color patch a reference colorimetric value of the reference color patch; a unit configured to convert a color-measurement RGB value of a color measurement object into an imaged colorimetric value of the color measurement object by using the corresponding reference-value matrix; a unit configured to select reference color patches of which the reference colorimetric values each have a close distance from the imaged colorimetric value in the predetermined color space; a unit configured to select, as selection RGB values, the imaged reference RGB values of the selected patches; a unit configured to calculate a selection-RGB-value matrix for converting the selection RGB values into the reference colorimetric values; and a unit configured to convert the color-measurement RGB value into a colorimetric value by using the selection-RGB-value matrix.

    摘要翻译: 颜色测量装置包括被配置为计算用于将参考色块的成像参考RGB值转换为参考色块的参考比色值的参考值矩阵的单元; 配置为通过使用相应的参考值矩阵将颜色测量对象的颜色测量RGB值转换成所述颜色测量对象的成像色度值的单元; 被配置为选择其中参考比色值各自与所述预定颜色空间中的成像色度值具有相近距离的参考色块的单元; 被配置为选择所选择的贴片的成像参考RGB值作为选择RGB值的单元; 被配置为计算用于将选择RGB值转换为参考比色值的选择RGB值矩阵的单元; 以及被配置为通过使用选择RGB值矩阵将颜色测量RGB值转换为比色值的单元。

    Image forming apparatus and method of correcting deviation of shooting position
    64.
    发明授权
    Image forming apparatus and method of correcting deviation of shooting position 有权
    图像形成装置和校正拍摄位置偏差的方法

    公开(公告)号:US07992953B2

    公开(公告)日:2011-08-09

    申请号:US12047945

    申请日:2008-03-13

    IPC分类号: B41J29/38 B41J29/393

    摘要: An adjustment pattern, which is composed of a reference pattern made of plural independent liquid droplets and a pattern to be measured made of plural independent liquid droplets ejected under an ejection condition different from the reference pattern, is formed on a water-repellent conveying belt. Then, light is applied to the adjustment pattern to receive the regular reflection light from the adjustment pattern, so that the adjustment pattern is scanned. The distance between the respective patterns is measured based on the measured result. Finally, liquid droplet ejection timing of the recording head is corrected based on the result thus measured.

    摘要翻译: 在防水输送带上形成有由多个独立液滴制成的基准图形和由与基准图案不同的喷射状态喷射的多个独立液滴所构成的图案构成的调整图案。 然后,将光施加到调整图案以接收来自调整图案的正反射光,从而扫描调整图案。 基于测量结果测量各个图案之间的距离。 最后,基于如此测量的结果校正记录头的液滴喷射定时。

    Image forming apparatus
    65.
    发明授权
    Image forming apparatus 有权
    图像形成装置

    公开(公告)号:US07854489B2

    公开(公告)日:2010-12-21

    申请号:US12355176

    申请日:2009-01-16

    IPC分类号: B41J2/01

    CPC分类号: B41J29/393

    摘要: A disclosed image forming apparatus includes a carriage having a head for jetting droplets; a pattern forming unit configured to form, on a belt, a pattern used for detecting displacement of landing positions of the droplets; a reading unit configured to scan the belt before the pattern formation to output a first result, and scan the pattern to output a second result; a correcting unit configured to correct the displacement based on the second result; a frequency analyzing unit configured to calculate frequencies of the belt and amplitudes of respective frequency components based on the first result; and a peak frequency calculating unit configured to calculate peak frequencies of the belt based on the frequencies of the belt and the amplitudes of the frequency components, the peak frequencies being frequency components whose amplitude exceeds a predetermined level. The pattern is formed at a frequency different from the peak frequencies.

    摘要翻译: 公开的图像形成装置包括具有用于喷射液滴的头部的滑架; 图案形成单元,其构造成在带上形成用于检测液滴的着陆位置的位移的图案; 读取单元,被配置为在图案形成之前扫描所述带以输出第一结果,并且扫描所述图案以输出第二结果; 校正单元,被配置为基于所述第二结果校正所述位移; 频率分析单元,被配置为基于所述第一结果计算所述带的频率和各个频率分量的振幅; 以及峰值频率计算单元,被配置为基于所述带的频率和频率分量的振幅计算所述带的峰值频率,所述峰值频率是振幅超过预定水平的频率分量。 该图案以与峰值频率不同的频率形成。

    IMAGE FORMING APPARATUS
    66.
    发明申请
    IMAGE FORMING APPARATUS 审中-公开
    图像形成装置

    公开(公告)号:US20090189937A1

    公开(公告)日:2009-07-30

    申请号:US12359450

    申请日:2009-01-26

    IPC分类号: B41J29/38

    CPC分类号: B41J29/393 B41J29/38

    摘要: A disclosed image forming apparatus includes a carriage on which a recording head is mounted that has a nozzle array where plural nozzles for ejecting droplets are arranged, the carriage being configured to be moved in a direction orthogonal to a nozzle arrangement direction; a transport belt facing the recording head and configured to transport a sheet; a print pattern forming unit configured to form a print pattern on the transport belt by causing at least the nozzles at opposing ends of the nozzle array to eject the droplets onto the transport belt while stopping the carriage; a reading unit configured to read the print pattern; a measuring unit configured to measure print positions of plural points of the print pattern in a direction orthogonal to the nozzle arrangement direction; and a detecting unit configured to detect an inclination of the recording head.

    摘要翻译: 公开的图像形成装置包括:滑架,安装有记录头的滑架,该记录头具有喷嘴阵列,喷嘴阵列布置有多个用于喷射液滴的喷嘴;滑架构造成沿与喷嘴布置方向正交的方向移动; 面向记录头并被配置为运送片材的传送带; 打印图案形成单元,被配置为通过使喷嘴阵列的相对端处的至少喷嘴至少在停止滑架时将液滴喷射到传送带上而在传送带上形成打印图案; 读取单元,被配置为读取所述打印图案; 测量单元,被配置为测量与喷嘴布置方向正交的方向上的打印图案的多个点的打印位置; 以及检测单元,被配置为检测记录头的倾斜度。

    LIQUID-JET DEVICE, IMAGE FORMING APPARATUS, AND METHOD FOR ADJUSTING LANDING POSITIONS OF LIQUID DROPLETS
    67.
    发明申请
    LIQUID-JET DEVICE, IMAGE FORMING APPARATUS, AND METHOD FOR ADJUSTING LANDING POSITIONS OF LIQUID DROPLETS 有权
    液体装置,图像形成装置以及调节液体排列位置的方法

    公开(公告)号:US20080225068A1

    公开(公告)日:2008-09-18

    申请号:US12047973

    申请日:2008-03-13

    IPC分类号: B41J29/38 B41J29/393

    CPC分类号: B41J2/2135 B41J19/207

    摘要: A disclosed liquid-jet device includes a liquid-jet head configured to jet liquid droplets; a pattern formation control unit configured to control the liquid-jet head and thereby to form a test pattern composed of separate liquid droplets on a water-repellent part; a detecting unit including a light-emitting element configured to illuminate the test pattern on the water-repellent part and a light-receiving element configured to receive specularly reflected light from the illuminated test pattern and to output a detection signal proportional to the received specularly reflected light; and a landing position adjusting unit configured to adjust landing positions of the liquid droplets based on the detection signal from the light-receiving element.

    摘要翻译: 所公开的液体喷射装置包括构造成喷射液滴的液体喷射头; 图案形成控制单元,被配置为控制喷液头,从而在防水部件上形成由分离的液滴组成的测试图案; 检测单元,其包括被配置为照亮所述防水部件上的测试图案的发光元件和被配置为从所述被照亮测试图案接收镜面反射光并且输出与所接收的镜面反射的成比例的检测信号的光接收元件 光; 以及着陆位置调整单元,其被配置为基于来自所述光接收元件的检测信号来调节所述液滴的着陆位置。

    IMAGE FORMING APPARATUS AND IMPACT POSITION DISPLACEMENT CORRECTION METHOD
    68.
    发明申请
    IMAGE FORMING APPARATUS AND IMPACT POSITION DISPLACEMENT CORRECTION METHOD 有权
    图像形成装置和影像位置校正方法

    公开(公告)号:US20080225067A1

    公开(公告)日:2008-09-18

    申请号:US12047949

    申请日:2008-03-13

    IPC分类号: B41J29/38 B41J29/393

    摘要: An image forming apparatus is provided with a carriage in which recording heads having nozzles for ejecting liquid droplets are mounted and is configured to form an image on a recording medium being transported. The image forming apparatus includes a pattern forming unit that forms an impact position displacement adjustment pattern formed of plural independent liquid droplets on a water repellent member; a reading unit that includes a light emitting unit for emitting light onto the adjustment pattern and a light receiving unit for receiving specular reflection light from the adjustment pattern; and an impact position correcting unit that corrects an impact position of a liquid droplet to be ejected from the recording head based on a read result by the reading unit. The reading unit is disposed on the carriage and is arranged close to the side of a guide member that guides movement of the carriage.

    摘要翻译: 图像形成装置设置有滑架,其中安装有用于喷射液滴的喷嘴的记录头,并且被配置为在被传送的记录介质上形成图像。 图像形成装置包括图案形成单元,其在防水构件上形成由多个独立液滴形成的冲击位置位移调节图案; 读取单元,其包括用于将光发射到调整图案上的发光单元和用于从调整图案接收镜面反射光的光接收单元; 以及冲击位置校正单元,其基于读取单元的读取结果来校正要从记录头喷射的液滴的冲击位置。 读取单元设置在滑架上并且布置成靠近引导滑架的运动的引导构件的侧面。

    IMAGE FORMING METHOD AND APPARATUS CAPABLE FOR PREVENTING COCKLING
    69.
    发明申请
    IMAGE FORMING METHOD AND APPARATUS CAPABLE FOR PREVENTING COCKLING 有权
    图像形成方法和装置,用于防止打击

    公开(公告)号:US20080122890A1

    公开(公告)日:2008-05-29

    申请号:US11945643

    申请日:2007-11-27

    申请人: Mamoru Yorimoto

    发明人: Mamoru Yorimoto

    IPC分类号: B41J29/38

    CPC分类号: B41J11/0005 B41J11/007

    摘要: A liquid-ejection-type image forming apparatus includes a recording head configured to print by ejecting ink liquid, and an electrostatic-absorption belt configured to convey printing paper, The liquid-ejection-type image forming apparatus performs a cockling-preventing mode operation which stops printing operation, separates the printing paper from the electrostatic-absorption belt, and restarts the printing operation after replacing the printing paper on the electrostatic-absorption belt.

    摘要翻译: 液体喷射型图像形成装置包括配置为通过喷射墨液进行打印的记录头和构造成传送打印纸的静电吸收带。液体喷射型图像形成装置执行防起泡模式操作,其中, 停止打印操作,将打印纸从静电吸收带分离,并且在将静电吸收带上的打印纸更换之后重新开始打印操作。