IMAGE FORMING APPARATUS AND METHOD FOR DETECTING POSITION DEVIATION
    1.
    发明申请
    IMAGE FORMING APPARATUS AND METHOD FOR DETECTING POSITION DEVIATION 失效
    用于检测位置偏差的图像形成装置和方法

    公开(公告)号:US20110228027A1

    公开(公告)日:2011-09-22

    申请号:US13047469

    申请日:2011-03-14

    IPC分类号: B41J2/385

    摘要: An image forming apparatus includes a photoconductor drum, a first printer head that forms a first pattern on the photoconductor drum and has a first end part, a second printer head that forms second and third patterns on the photoconductor drum and has a second end part that overlaps the first end part in a main scanning direction, a detection sensor that detects the densities of first and second test patterns formed at an area of the photoconductor drum at which the first and second end parts overlap, the first test pattern being formed by combining the first and second patterns, the second test pattern being formed by combining the first and third patterns, and a determination part that determines a deviation direction between the first and second printer heads by comparing the densities detected by the detection sensor.

    摘要翻译: 一种成像设备包括一个感光鼓,一个在感光鼓上形成第一图案的第一打印机头,具有第一端部,在感光鼓上形成第二和第三图案的第二打印头,具有第二端部, 在主扫描方向上与第一端部重叠的检测传感器,其检测形成在第一和第二端部重叠的感光鼓的区域处的第一和第二测试图案的密度,第一测试图案通过组合形成 第一和第二图案,第二测试图案是通过组合第一图案和第三图案而形成的;以及确定部件,其通过比较由检测传感器检测的密度来确定第一和第二打印头之间的偏离方向。

    IMAGE FORMING APPARATUS, PROGRAM, AND IMAGE FORMING SYSTEM
    5.
    发明申请
    IMAGE FORMING APPARATUS, PROGRAM, AND IMAGE FORMING SYSTEM 有权
    图像形成装置,程序和图像形成系统

    公开(公告)号:US20140152735A1

    公开(公告)日:2014-06-05

    申请号:US14091453

    申请日:2013-11-27

    IPC分类号: B41J2/125

    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 a reading unit including a light emitting unit and a light receiving unit; a sensitivity adjusting unit; a relative movement unit; a first correction unit which detects a position of the test pattern; a second correction unit which detects the position of the test pattern; and a correction method selecting unit which selects the first correction unit or the second correction unit based on adjusting results of sensitivity adjusted by the sensitivity adjusting unit.

    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:读取单元,包括发光单元和光接收单元; 灵敏度调整单元; 相对运动单位; 第一校正单元,其检测测试图案的位置; 第二校正单元,其检测测试图案的位置; 以及校正方法选择单元,其基于由灵敏度调节单元调整的灵敏度的调整结果来选择第一校正单元或第二校正单元。

    IMAGE FORMING APPARATUS, PATTERN POSITION DETERMINING METHOD, AND IMAGE FORMING SYSTEM
    6.
    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:US20130027457A1

    公开(公告)日:2013-01-31

    申请号:US13558627

    申请日:2012-07-26

    IPC分类号: B41J29/38

    摘要: A disclosed image forming apparatus includes a reading unit including a light emitting element for emitting light to a record medium, and a light receiving element for receiving reflected light; a print data storing unit storing print data of a uniform pattern which has a color different from a color of the test pattern and is provided in an area including the test pattern, a pattern forming unit printing the test pattern on the uniform pattern after the uniform pattern is printed, a relatively moving unit moving the record medium or the reading unit relatively at a constant speed, a first detection data obtaining unit obtaining first detection data received as the reflection light while the light moves and impinges on the test pattern, and a position detecting unit providing a calculation for determining a position of a line of the test pattern to detect the test pattern.

    摘要翻译: 公开的图像形成装置包括读取单元,其包括用于向记录介质发射光的发光元件和用于接收反射光的光接收元件; 打印数据存储单元,其存储具有与测试图案的颜色不同的颜色的均匀图案的打印数据,并且设置在包括测试图案的区域中;图案形成单元,在均匀图案之后在均匀图案上印刷测试图案 打印图形,相对移动单元以恒定速度相对移动记录介质或读取单元,第一检测数据获取单元获取在光移动并撞击测试图案时作为反射光接收的第一检测数据,以及 位置检测单元提供用于确定测试图案的线的位置以检测测试图案的计算。

    DISTANCE MEASURING DEVICE, IMAGE FORMING APPARATUS, AND DISTANCE MEASURING METHOD
    9.
    发明申请
    DISTANCE MEASURING DEVICE, IMAGE FORMING APPARATUS, AND DISTANCE MEASURING METHOD 有权
    距离测量装置,图像形成装置和距离测量方法

    公开(公告)号:US20160347052A1

    公开(公告)日:2016-12-01

    申请号:US15163138

    申请日:2016-05-24

    IPC分类号: B41J2/045 H04N1/04 G06K15/10

    摘要: A distance measuring device includes: an imaging unit that captures a test pattern image including a pair of first markers and a second marker that is formed under a condition different from a condition applied to the first markers; a position detecting unit that detects a position of each of the pair of first markers and the second marker in a captured image captured by the imaging unit; a ratio calculating unit that calculates a ratio of a distance between the pair of the first markers in the captured image and an actual distance between the pair of the first markers; and an actual distance calculating unit that calculates an actual distance between one of the first markers as the pair and the second marker by multiplying a distance between the one of the first markers as the pair and the second marker in the captured image by the ratio.

    摘要翻译: 距离测量装置包括:成像单元,其捕获包括一对第一标记的测试图案图像和在与施加到第一标记的条件不同的条件下形成的第二标记; 位置检测单元,其检测由所述摄像单元拍摄的拍摄图像中的所述一对第一标记和所述第二标记中的每一者的位置; 比率计算单元,计算拍摄图像中的一对第一标记之间的距离与一对第一标记之间的实际距离的比率; 以及实际距离计算单元,其通过将所述第一标记中的一个与所述一对中的所述第一标记之间的距离乘以所述拍摄图像中的所述第二标记之间的比率来计算作为所述一对的所述第一标记之一和所述第二标记之间的实际距离。