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    • 61. 发明申请
    • Image formation apparatus and image formation method
    • 图像形成装置和图像形成方法
    • US20070081840A1
    • 2007-04-12
    • US11368615
    • 2006-03-07
    • Akihiro HayashiKenichi HayashiTomonobu TamuraHiroyuki YoshikawaTatsuya Eguchi
    • Akihiro HayashiKenichi HayashiTomonobu TamuraHiroyuki YoshikawaTatsuya Eguchi
    • G03G21/00
    • G03G21/043
    • A multi-functional copying machine according to the invention has a scanner for reading the image of a document and image information appended to the document and a printer for forming the image on a medium. It compares the image read by the scanner and the image information, determines according to the extent of alteration of the image whether or not reproduction of the image of the document as it is can be permitted and, if permitted, produces a copy from the reproduced image of the document. If reproduction is forbidden of the image of the document as it is, whether or not to permit restoration of the scanner-read image according to the image information is determined and, if permitted, a copy is produced from the restored image. This makes it possible to keep track of any alteration in a copyrighted image by quick processing, prevent altered copyrighted images from circulation, and protect copyrighted images appropriately.
    • 根据本发明的多功能复印机具有用于读取文档的图像和附加到文档的图像信息的扫描器和用于在介质上形成图像的打印机。 它比较由扫描仪读取的图像和图像信息,根据图像的改变程度来确定是否可以再现文档的图像,如果允许的话,可以从再现的图像中产生一份副本 图像的文件。 如果原样禁止文件的图像重放,则确定是否允许根据图像信息恢复扫描仪读取图像,并且如果允许,则从恢复的图像产生副本。 这使得可以通过快速处理来跟踪受版权保护的图像的任何改变,防止版权保护的图像流通,并适当地保护受版权保护的图像。
    • 66. 发明授权
    • Image forming apparatus provided with self-diagnosis system
    • 具有自诊断系统的图像形成装置
    • US5467355A
    • 1995-11-14
    • US299082
    • 1994-09-01
    • Yasushi UmedaYasuo MotegiTetsuo TomiyamaHiroyuki YoshikawaYoshiki Shimomura
    • Yasushi UmedaYasuo MotegiTetsuo TomiyamaHiroyuki YoshikawaYoshiki Shimomura
    • G03G15/00G06F11/25G06F11/00
    • G06F11/2257G03G15/55G03G2215/00118Y10S706/90Y10S706/911
    • In an image forming machine, an objective model storage device stores parameter data that represent elements of the machine and relationships among such parameters, and parameter membership functions, and fault diagnosis knowledge. A degradation storage device stores a fuzzy qualitative value for a parameter changed by degradation of an element of the machine. Preferably, degradation indicative data are converted into fuzzy qualitative values, and the value of the parameter changed by degradation is represented by a fuzzy qualitative value. The machine includes sensors for sensing functional states thereof, and providing state data representative of such states. The state data sensed by the sensors are converted into fuzzy qualitative values. Then, a fault judgement device determines whether or not a fault exists by comparing the obtained fuzzy qualitative values with the parameter data stored in the objective model storage device. If the fault judgement device determines that a fault exists, a fault diagnosis device performs fault diagnosis by utilizing, as an initial value, the value of the parameter changed by degradation. A specification device specifies fault causes by comparing the result of the diagnosis with the state data which was converted into the fuzzy qualitative values. Then, a repair device operates actuators of the machine to overcome the specified fault.
    • 在图像形成机中,目标模型存储装置存储表示机器的要素的参数数据和这些参数之间的关系以及参数隶属函数以及故障诊断知识。 降级存储装置存储由于机器元件的劣化而改变的参数的模糊定性值。 优选地,降解指示数据被转换为模糊定性值,并且由劣化改变的参数值由模糊定性值表示。 该机器包括用于感测其功能状态的传感器,以及提供表示这种状态的状态数据。 由传感器感测到的状态数据被转换为模糊定性值。 然后,故障判断装置通过将获得的模糊定性值与存储在目标模型存储装置中的参数数据进行比较来判定是否存在故障。 如果故障判断装置判断为存在故障,故障诊断装置利用劣化改变的参数值作为初始值来进行故障诊断。 规范设备通过将诊断结果与转换为模糊定性值的状态数据进行比较来指定故障原因。 然后,修理装置操作机器的执行器以克服指定的故障。
    • 69. 发明授权
    • Fixing device and image forming apparatus
    • 固定装置和成像装置
    • US08824904B2
    • 2014-09-02
    • US13479510
    • 2012-05-24
    • Kosuke SasakiNaoki OhashiIsao WatanabeYasuhiro IshiharaHiroyuki Yoshikawa
    • Kosuke SasakiNaoki OhashiIsao WatanabeYasuhiro IshiharaHiroyuki Yoshikawa
    • G03G15/20
    • G03G15/2042
    • A fixing device includes a temperature measuring unit, configured to measure the temperature in regions that extend partially along the outer surface of a heating rotating body, which includes a resistance heating layer, in the circumferential direction and are aligned in the direction of the axis of rotation of the heat rotating body, and a control unit configured to sample temperatures, measured by the temperature measuring unit in each of the regions, over the entire outer surface of the heating rotating body in the circumferential direction by causing the heating rotating body to rotate while supplying a predetermined amount of power to the resistance heating layer, and to determine whether an abnormality has occurred in the resistance heating layer based on the difference between the maximum temperature and the minimum temperature among the sampled temperatures in each region.
    • 定影装置包括温度测量单元,该温度测量单元被配置为测量在包括电阻加热层的加热旋转体的外表面部分沿着圆周方向延伸并且沿轴向方向 热旋转体的旋转以及控制单元,其被配置为通过使加热旋转体旋转而在周向上在加热旋转体的整个外表面上测量由各个区域中的温度测量单元测量的温度 同时向电阻加热层提供预定量的电力,并且基于每个区域中的采样温度之间的最大温度和最低温度之间的差异来确定电阻加热层中是否发生异常。