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    • 3. 发明授权
    • Method and apparatus for controlling a temperature of a fixing roller in
a printing/copying device
    • 用于控制打印/复印设备中的定影辊的温度的方法和装置
    • US5832330A
    • 1998-11-03
    • US841327
    • 1997-04-30
    • Hiroyuki Kiyoi
    • Hiroyuki Kiyoi
    • G03G15/20
    • G03G15/2003G03G15/2039
    • In a fixing system used to an electrophotographic recording apparatus, when a fixing roller is heated to a temperature above a preset fixing temperature by a heater and then a thermistor senses that the surface temperature of the fixing roller falls below the fixing temperature, a heater controller energizes the heater for a predetermined driving time and then deenergizes of the heater for a predetermined heater interrupting time to thereby control the surface temperature of the fixing roller. The heater driving time and the heater interrupting time may be stored in a memory region in accordance with respective sizes of recording papers. The duty ratio of the heater may be changed when a predetermined number of images have been recorded or when the fixing system is continuously operated for longer than a predetermined time.
    • 在用于电子照相记录装置的定影系统中,当通过加热器将定影辊加热到高于预定定影温度的温度,然后热敏电阻感测到定影辊的表面温度低于定影温度时,加热器控制器 使加热器通电预定的驱动时间,然后在预定的加热器中断时间内使加热器断电,从而控制定影辊的表面温度。 加热器驱动时间和加热器中断时间可以根据记录纸的相应尺寸存储在存储区域中。 当已经记录了预定数量的图像时或当固定系统连续操作长于预定时间时,可以改变加热器的占空比。
    • 5. 发明授权
    • Method and apparatus for controlling a temperature of a fixing roller in
an printing/copying device
    • 用于控制打印/复印装置中的定影辊的温度的方法和装置
    • US5682577A
    • 1997-10-28
    • US605977
    • 1996-02-23
    • Hiroyuki Kiyoi
    • Hiroyuki Kiyoi
    • G03G15/20
    • G03G15/2003G03G15/2039
    • In a fixing system used to an electrophotographic recording apparatus, when a fixing roller is heated to a temperature above a preset fixing temperature by a heater and then a thermistor senses that the surface temperature of the fixing roller falls below the fixing temperature, a heater controller energizes the heater for a predetermined driving time and then deenergizes of the heater for a predetermined heater interrupting time to thereby control the surface temperature of the fixing roller. The heater driving time and the heater interrupting time may be stored in a memory region in accordance with respective sizes of recording papers. The duty ratio of the heater may be changed when a predetermined number of images have been recorded or when the fixing system is continuously operated for longer than a predetermined time.
    • 在用于电子照相记录装置的定影系统中,当通过加热器将定影辊加热到高于预定定影温度的温度,然后热敏电阻感测到定影辊的表面温度低于定影温度时,加热器控制器 使加热器通电预定的驱动时间,然后在预定的加热器中断时间内使加热器断电,从而控制定影辊的表面温度。 加热器驱动时间和加热器中断时间可以根据记录纸的相应尺寸存储在存储区域中。 当已经记录了预定数量的图像时或当固定系统连续操作长于预定时间时,可以改变加热器的占空比。