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    • 78. 发明授权
    • Image forming apparatus
    • 图像形成装置
    • US06493521B2
    • 2002-12-10
    • US09778894
    • 2001-02-08
    • Toshio MiyamotoHiroto HasegawaSatoru IzawaMasahiko Suzumi
    • Toshio MiyamotoHiroto HasegawaSatoru IzawaMasahiko Suzumi
    • G03G1500
    • G03G15/205
    • An object of the present invention is to provide an image forming apparatus having a fixing device, which can obtain good fixing ability while preventing occurrence of hot offset. The present invention provides an image forming apparatus that has image forming means for forming an image on a recording material, a heating member for heating the image on the recording material, a backup roller forming a nip with the heating member, a temperature detecting element for detecting a temperature of an atmosphere, and control means for controlling a power supply to the heating member, wherein when a print signal is inputted, the control means controls power supply (electrical communication) to the heating member in such a manner that the heating member maintains a set temperature in accordance with a detection temperature of the temperature detecting element, and, thereafter, a fixing operation is effected.
    • 本发明的目的是提供一种具有定影装置的图像形成装置,其能够在防止热偏移的发生的同时获得良好的定影能力。 本发明提供了一种图像形成装置,其具有用于在记录材料上形成图像的图像形成装置,用于加热记录材料上的图像的加热构件,与加热构件形成夹持的支撑辊,用于 检测大气的温度,以及控制装置,用于控制对加热构件的供电,其中当输入打印信号时,控制装置以加热构件的方式控制对加热构件的电力供应(电通信) 根据温度检测元件的检测温度保持设定温度,然后进行定影操作。
    • 79. 发明授权
    • Image fixing apparatus
    • 图像定影装置
    • US6115563A
    • 2000-09-05
    • US184847
    • 1998-11-03
    • Toshio Miyamoto
    • Toshio Miyamoto
    • G03G15/20H05B1/00
    • G03G15/2046G03G15/2003G03G15/2039G03G15/6594G03G2215/00514G03G2215/2035
    • The present invention provides an image fixing apparatus which comprises a heater for generating heat upon receiving electric power supply thereto, a film movable with an unfixed image on a recording material while being in contact with said heater, a backup roller for forming a nip with said heater, with said film being interposed in the nip, and fixing condition setting means for setting an image fixing condition according to a size of the recording material conveyed to the nip in a preceding image fixing operation and a size of the recording material conveyed to the nip in the current image fixing operation.
    • 本发明提供了一种图像定影装置,其包括:加热器,用于在接收电源时产生热量,可在与所述加热器接触的同时在记录材料上以未定影图像移动的胶片,用于与所述加热器形成辊隙的支撑辊 加热器,其中所述胶片插入辊隙中;以及固定条件设置装置,用于根据在先前图像定影操作中传送到辊隙的记录材料的尺寸设置图像定影条件,并将记录材料的尺寸传送到 在当前图像定影操作中。
    • 80. 发明授权
    • Image forming apparatus
    • 图像形成装置
    • US5862435A
    • 1999-01-19
    • US7190
    • 1998-01-15
    • Masahiko SuzumiToshio MiyamotoSatoru Izawa
    • Masahiko SuzumiToshio MiyamotoSatoru Izawa
    • G03G15/20G03G15/00
    • G03G15/6552G03G2215/00421
    • An image forming apparatus comprises a fusing device for heating and fixing an unfixed image on a recording material while feeding the recording material, reversing device for reversing the recording material after passing the fusing device. The image forming apparatus operates in a first mode in which the recording material which passed the fusing device is ejected to an ejection section directly without being reversed, and a second mode in which the recording material which passed said fusing device is ejected to an ejection section after being reversed by the reversing device. A throughput of the recording material fed and/or the fusing temperature of the fusing device in the first mode being smaller or lower during at least part of an image forming process than in the second mode. With this image forming apparatus, the recording materials can be stacked in the ejection portion with improved quality and an excessive rise of temperature in the vicinity of the ejection portion can be avoided.
    • 图像形成装置包括:熔融装置,用于在馈送记录材料的同时在记录材料上加热和固定未固定的图像,并在通过定影装置之后使记录材料反转的反转装置。 图像形成装置以第一模式操作,其中通过定影装置的记录材料被直接喷射到喷射部分而不被反转,并且第二模式将通过所述定影装置的记录材料喷射到喷射部分 在被倒车装置反转之后。 在图像形成处理的至少一部分中,与第二模式相比,馈送的记录材料的吞吐量和/或定影装置在第一模式中的熔化温度较小或更低。 利用该图像形成装置,能够以提高的质量将记录材料堆叠在喷射部中,并且可以避免喷射部附近的温度的过度上升。