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    • 5. 发明授权
    • Fixing device and image forming apparatus using same
    • 固定装置和使用其的成像装置
    • US08929752B2
    • 2015-01-06
    • US12837917
    • 2010-07-16
    • Yoshihide OhtaKazunori BannaiKohta TakenakaHidehiko Fujiwara
    • Yoshihide OhtaKazunori BannaiKohta TakenakaHidehiko Fujiwara
    • G03G15/20G03G15/00
    • G03G15/55G03G15/2039G03G15/70
    • A fixing device for fixing an unfixed toner image on a recording medium includes a rotatable fixing member heated by a heater to contact the recording medium bearing the unfixed toner image while rotating, with the heater disposed inside a hollow of the fixing member and turned on and off intermittently at a start of a fixing process to heat the fixing member intermittently, a first pressing member disposed opposite the fixing member to press against and rotate the fixing member to define a fixing nip through which the recording medium passes to fix the unfixed toner image with heat and pressure, and a temperature detector to detect a change in the temperature of the fixing member when the heater turns on and off intermittently. When the temperature detector detects the change in the temperature of the fixing device, the heater is turned on continuously.
    • 用于将未定影的调色剂图像定影在记录介质上的定影装置包括:可旋转的固定构件,其被加热器加热,以在旋转时接触带有未定影调色剂图像的记录介质,其中加热器设置在定影构件的中空部内并打开, 在定影处理开始时间歇地断开,间歇地加热固定构件;第一按压构件,其与固定构件相对设置,以压靠和旋转固定构件,以限定定影夹持部,记录介质通过该定影夹持件固定未定影的调色剂图像 以及温度检测器,用于当加热器间歇地打开和关闭时检测固定构件的温度变化。 当温度检测器检测到定影装置的温度变化时,加热器连续打开。
    • 6. 发明授权
    • Fixing device and image forming apparatus using same having a second heater outside the recording medium passing area
    • 使用该固定装置的图像形成装置在记录介质通过区域之外具有第二加热器
    • US08346106B2
    • 2013-01-01
    • US12843299
    • 2010-07-26
    • Kohta TakenakaKazunori BannaiHidehiko Fujiwara
    • Kohta TakenakaKazunori BannaiHidehiko Fujiwara
    • G03G15/20
    • G03G15/2053G03G15/2039G03G2215/2035
    • A fixing device includes a fixing member including a recording medium passing area inside thereof through which the recording medium passes, a first heater disposed in the fixing member to heat the fixing member, a first pressing member disposed opposite the fixing member to press against and rotate the fixing member to fix the unfixed toner image on the recording medium, a second heater disposed outside the recording medium passing area and inside the fixing member to heat the fixing member cyclically in a given cycle of heating, a temperature detector to detect a change in the temperature of the fixing member when the fixing member is cyclically heated by the second heater, and a determination unit to evaluate a condition of rotation of the fixing member based on the cycle of heating by the second heater and the cycle of change in the temperature detected by the temperature detector.
    • 定影装置包括固定构件,该固定构件包括记录介质通过的记录介质通过区域,设置在固定构件中以加热固定构件的第一加热器,与固定构件相对设置的第一加压构件,以压靠和旋转 固定构件,用于将未定影的调色剂图像固定在记录介质上,第二加热器设置在记录介质通过区域的外部和固定构件内部,以在给定的加热循环中循环加热固定构件;温度检测器, 固定构件通过第二加热器循环加热时的固定构件的温度,以及基于第二加热器的加热循环和温度变化循环来评价定影构件的旋转状态的判定单元 由温度检测器检测。
    • 7. 发明申请
    • FIXING DEVICE AND IMAGE FORMING APPARATUS USING SAME
    • 使用相同的固定装置和图像形成装置
    • US20110020018A1
    • 2011-01-27
    • US12843299
    • 2010-07-26
    • Kohta TAKENAKAKazunori BannaiHidehiko Fujiwara
    • Kohta TAKENAKAKazunori BannaiHidehiko Fujiwara
    • G03G15/20
    • G03G15/2053G03G15/2039G03G2215/2035
    • A fixing device includes a fixing member including a recording medium passing area inside thereof through which the recording medium passes, a first heater disposed in the fixing member to heat the fixing member, a first pressing member disposed opposite the fixing member to press against and rotate the fixing member to fix the unfixed toner image on the recording medium, a second heater disposed outside the recording medium passing area and inside the fixing member to heat the fixing member cyclically in a given cycle of heating, a temperature detector to detect a change in the temperature of the fixing member when the fixing member is cyclically heated by the second heater, and a determination unit to evaluate a condition of rotation of the fixing member based on the cycle of heating by the second heater and the cycle of change in the temperature detected by the temperature detector.
    • 定影装置包括固定构件,该固定构件包括记录介质通过的记录介质通过区域,设置在固定构件中以加热固定构件的第一加热器,与固定构件相对设置的第一加压构件,以压靠和旋转 固定构件,用于将未定影的调色剂图像固定在记录介质上,第二加热器设置在记录介质通过区域的外部和固定构件内部,以在给定的加热循环中循环加热固定构件;温度检测器, 固定构件通过第二加热器循环加热时的固定构件的温度,以及基于第二加热器的加热循环和温度变化循环来评价定影构件的旋转状态的判定单元 由温度检测器检测。
    • 8. 发明申请
    • Fixing device and image forming apparatus incorporating same
    • 固定装置和包含其的图像形成装置
    • US20100232822A1
    • 2010-09-16
    • US12659437
    • 2010-03-09
    • Kohta TakenakaKazunori BannaiHidehiko FujiwaraToshihiro Shimada
    • Kohta TakenakaKazunori BannaiHidehiko FujiwaraToshihiro Shimada
    • G03G15/20
    • G03G15/2053
    • In a fixing device, a first reflection plate covers a part of an outer circumferential surface of an infrared heater in a circumferential direction of the infrared heater along an axial direction of the infrared heater substantially perpendicular to the circumferential direction of the infrared heater. The first reflection plate reflects light emitted by the infrared heater toward a fixing member. At least one light control mirror is provided in at least one end of the first reflection plate in an axial direction of the first reflection plate. At least one second reflection plate opposes the infrared heater via the at least one light control mirror to reflect the light emitted by the infrared heater and passing through the at least one light control mirror toward a center portion of the fixing member in an axial direction of the fixing member.
    • 在固定装置中,第一反射板沿红外线加热器的轴向与红外线加热器的圆周方向垂直地沿红外线加热器的周向覆盖红外线加热器的外周面的一部分。 第一反射板将由红外线加热器发射的光朝向固定部件反射。 在第一反射板的轴向方向上的至少一端设有至少一个光控制镜。 至少一个第二反射板经由至少一个光控制反射镜与红外线加热器相对,以反射由红外加热器发出的光,并沿着轴向方向穿过至少一个光控制反射镜朝向固定部件的中心部分 固定构件。
    • 9. 发明申请
    • FIXING DEVICE AND IMAGE FORMING APPARATUS USING SAME
    • 使用相同的固定装置和图像形成装置
    • US20110026961A1
    • 2011-02-03
    • US12837917
    • 2010-07-16
    • Yoshihide OHTAKazunori BannaiKohta TakenakaHidehiko Fujiwara
    • Yoshihide OHTAKazunori BannaiKohta TakenakaHidehiko Fujiwara
    • G03G15/20
    • G03G15/55G03G15/2039G03G15/70
    • A fixing device for fixing an unfixed toner image on a recording medium includes a rotatable fixing member heated by a heater to contact the recording medium bearing the unfixed toner image while rotating, with the heater disposed inside a hollow of the fixing member and turned on and off intermittently at a start of a fixing process to heat the fixing member intermittently, a first pressing member disposed opposite the fixing member to press against and rotate the fixing member to define a fixing nip through which the recording medium passes to fix the unfixed toner image with heat and pressure, and a temperature detector to detect a change in the temperature of the fixing member when the heater turns on and off intermittently. When the temperature detector detects the change in the temperature of the fixing device, the heater is turned on continuously.
    • 用于将未定影的调色剂图像定影在记录介质上的定影装置包括:可旋转的固定构件,其被加热器加热,以在旋转时接触带有未定影调色剂图像的记录介质,其中加热器设置在定影构件的中空部内并打开, 在定影处理开始时间歇地断开,间歇地加热固定构件;第一按压构件,其与固定构件相对设置,以压靠和旋转固定构件,以限定定影夹持部,记录介质通过该定影夹持件固定未定影的调色剂图像 以及温度检测器,用于当加热器间歇地打开和关闭时检测固定构件的温度变化。 当温度检测器检测到定影装置的温度变化时,加热器连续打开。
    • 10. 发明授权
    • Toner fixing device with light control mirrors and image forming apparatus incorporating same
    • 具有光控制镜的调色剂定影装置和结合其的成像装置
    • US08195058B2
    • 2012-06-05
    • US12659437
    • 2010-03-09
    • Kohta TakenakaKazunori BannaiHidehiko FujiwaraToshihiro Shimada
    • Kohta TakenakaKazunori BannaiHidehiko FujiwaraToshihiro Shimada
    • G03G15/20
    • G03G15/2053
    • In a fixing device, a first reflection plate covers a part of an outer circumferential surface of an infrared heater in a circumferential direction of the infrared heater along an axial direction of the infrared heater substantially perpendicular to the circumferential direction of the infrared heater. The first reflection plate reflects light emitted by the infrared heater toward a fixing member. At least one light control mirror is provided in at least one end of the first reflection plate in an axial direction of the first reflection plate. At least one second reflection plate opposes the infrared heater via the at least one light control mirror to reflect the light emitted by the infrared heater and passing through the at least one light control mirror toward a center portion of the fixing member in an axial direction of the fixing member.
    • 在固定装置中,第一反射板沿红外线加热器的轴向与红外线加热器的圆周方向垂直地沿红外线加热器的周向覆盖红外线加热器的外周面的一部分。 第一反射板将由红外线加热器发射的光朝向固定部件反射。 在第一反射板的轴向方向上的至少一端设有至少一个光控制镜。 至少一个第二反射板经由至少一个光控制反射镜与红外线加热器相对,以反射由红外加热器发出的光,并沿着轴向方向穿过至少一个光控制反射镜朝向固定部件的中心部分 固定构件。