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    • 4. 发明申请
    • Image forming apparatus
    • 图像形成装置
    • US20050286918A1
    • 2005-12-29
    • US11060814
    • 2005-02-18
    • Ryuichiro MaeyamaKenichi KobayashiTomoshi HaraKazuyuki TsukamotoKoji MorofujiTsutomu UdakaShinichi Tai
    • Ryuichiro MaeyamaKenichi KobayashiTomoshi HaraKazuyuki TsukamotoKoji MorofujiTsutomu UdakaShinichi Tai
    • G03G15/00
    • G03G15/5062G03G2215/20
    • An image forming apparatus with an image forming part and a fixing part for fixing images on a recording medium measures, downstream of the fixing part in a transport path, speckles on a recording medium, and generates measured speckle data representing the measured speckles; stores measured speckle data with standard speckle data representing speckles on a recording medium that has not undergone a fixing process; further measures, upstream of the image forming part, measures speckles on a recording medium; and when the stored standard speckle data is the most analogous to speckles measured for the second time, applies corrections in order to compensate for the lengthening of the recording medium by a fixing process to document images formed thereon, and when the stored measured speckle data is the most analogous to speckles measured for the second time, does not perform the corrections in order to compensate for the lengthening.
    • 具有图像形成部分和用于将图像定影在记录介质上的定影部件的图像形成装置在传送路径中的固定部分的下游测量在记录介质上的斑点,并产生表示测量的散斑的测量散斑数据; 在没有进行定影处理的记录介质上存储测量的散斑数据,其中标记散斑数据表示斑点; 在图像形成部分的上游的进一步措施,测量记录介质上的斑点; 并且当存储的标准散斑数据与第二次测量的斑点最相似时,应用修正以补偿记录介质的延长,通过定影过程来记录形成在其上的图像,并且当存储的测量散斑数据为 最类似于第二次测量的斑点,不执行校正以补偿延长。
    • 6. 发明授权
    • Image forming apparatus
    • 图像形成装置
    • US07278704B2
    • 2007-10-09
    • US11057378
    • 2005-02-15
    • Ryuichiro MaeyamaKenichi KobayashiTomoshi HaraKazuyuki TsukamotoKoji MorofujiTsutomu UdakaShinichi Tai
    • Ryuichiro MaeyamaKenichi KobayashiTomoshi HaraKazuyuki TsukamotoKoji MorofujiTsutomu UdakaShinichi Tai
    • B41J29/393G03G15/00G01N21/86
    • B41J29/393B41J3/60
    • An image forming apparatus having an image forming part that forms an image on a recording medium measures, downstream of the image forming part in a transport path of the recording medium, speckles on the recording medium, and generates measured speckle data that represents speckles measured; stores the generated measured speckle data in a memory part, further measures, upstream of the image forming part in a transport path of a recording medium, the speckles of the recording medium; determines whether speckle data representing speckles analogous to speckles measured upstream of the image forming part is stored in the memory part, and, in the case where the decision result is affirmative, recognizes that the recording medium for which the speckles have been measured is a recording medium on which an image has been formed on it previous to having speckles measured upstream of the image forming part.
    • 具有在记录介质上形成图像的图像形成部分的图像形成装置测量在记录介质的传送路径中的图像形成部分的下游,在记录介质上产生斑点,并产生表示测量的斑点的测量散斑数据; 将生成的测量散斑数据存储在存储器部分中,进一步测量记录介质的传送路径中的图像形成部分的上游,记录介质的散斑; 确定表示与图像形成部分上游测量的斑点类似的散斑的斑点数据是否存储在存储部分中,并且在判定结果为肯定的情况下,识别出已经测量了斑点的记录介质是记录 在其上形成有图像的介质之前具有在图像形成部分的上游测量的斑点。