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    • 3. 发明授权
    • Heat fixing apparatus
    • 定热装置
    • US08265507B2
    • 2012-09-11
    • US13342314
    • 2012-01-03
    • Tohru SaitoShinji Hashiguchi
    • Tohru SaitoShinji Hashiguchi
    • G03G15/20
    • G03G15/2042G03G15/206
    • The heat fixing apparatus includes a fixing heater and a pressure roller. The fixing heater has a plurality of resistance-type heat generation layers which are different in heat distribution in the longitudinal direction perpendicular to the direction of conveying a recording material. The recording material P is heated when passed through a fixing nip portion formed between the fixing heater and the pressure roller. The pressurization conditions between the fixing heater and the pressure roller can be changed. The heat fixing apparatus includes a fixing member which adjusts the lengthwise heat distribution of the fixing heater by changing the applied current proportion of the plurality of resistance-type heat generation layers according to the pressurization conditions between the fixing heater and the pressure roller.
    • 热定影装置包括定影加热器和加压辊。 定影加热器具有多个在垂直于输送记录材料的方向的纵向上的热分布不同的电阻型发热层。 当通过形成在定影加热器和压力辊之间的定影夹持部分时,记录材料P被加热。 可以改变定影加热器和压力辊之间的加压条件。 热定影装置包括:固定构件,其通过根据定影加热器和加压辊之间的加压条件改变多个电阻型发热层的施加电流比例来调节定影加热器的纵向热分布。
    • 5. 发明申请
    • HEAT FIXING APPARATUS
    • 热固定装置
    • US20090297236A1
    • 2009-12-03
    • US12472909
    • 2009-05-27
    • Tohru SaitoShinji Hashiguchi
    • Tohru SaitoShinji Hashiguchi
    • G03G15/20
    • G03G15/2042G03G15/206
    • The heat fixing apparatus includes a fixing heater and a pressure roller. The fixing heater has a plurality of resistance-type heat generation layers which are different in heat distribution in the longitudinal direction perpendicular to the direction of conveying a recording material. The recording material P is heated when passed through a fixing nip portion formed between the fixing heater and the pressure roller. The pressurization conditions between the fixing heater and the pressure roller can be changed. The heat fixing apparatus includes a fixing member which adjusts the lengthwise heat distribution of the fixing heater by changing the applied current proportion of the plurality of resistance-type heat generation layers according to the pressurization conditions between the fixing heater and the pressure roller.
    • 热定影装置包括定影加热器和加压辊。 定影加热器具有多个在垂直于输送记录材料的方向的纵向上的热分布不同的电阻型发热层。 当通过形成在定影加热器和压力辊之间的定影夹持部分时,记录材料P被加热。 可以改变定影加热器和压力辊之间的加压条件。 热定影装置包括:固定构件,其通过根据定影加热器和加压辊之间的加压条件改变多个电阻型发热层的施加电流比例来调节定影加热器的纵向热分布。
    • 8. 发明申请
    • Image forming apparatus utilizing a piezoelectric-transformer high-voltage power supply and method for controlling the same
    • 利用压电变压器高压电源的图像形成装置及其控制方法
    • US20070018589A1
    • 2007-01-25
    • US11333075
    • 2006-01-17
    • Tohru SaitoMasahiro SuzukiOsamu NagasakiJun Haruna
    • Tohru SaitoMasahiro SuzukiOsamu NagasakiJun Haruna
    • F02P3/12
    • H01L41/044G03G15/80
    • A piezoelectric-transformer high-voltage power supply in combination with an image-forming apparatus including a latent-image forming section configured to form an electrostatic latent image on an image carrier, a developing section configured to form a toner image on the electrostatic latent image, and a transfer section configured to transfer the toner image onto a transfer material includes a piezoelectric transformer; a piezoelectric-transformer drive circuit; an output-voltage setting-signal output circuit configured to output an output-voltage setting-signal; an output-voltage detector circuit, and a drive control circuit configured to output a control signal on the basis of a signal from the output-voltage detector circuit and the output-voltage setting-signal, for controlling the piezoelectric-transformer drive circuit. The output-voltage setting-signal output circuit outputs an output-voltage setting-signal corresponding to a voltage lower than a target voltage and, then, another output-voltage setting-signal corresponding to the target voltage.
    • 一种压电变压器高压电源,其与包括被构造成在图像载体上形成静电潜像的潜像形成部分的图像形成装置组合,显影部分,被配置为在静电潜像上形成调色剂图像 以及被配置为将调色剂图像转印到转印材料上的转印部分包括压电变压器; 压电变压器驱动电路; 输出电压设定信号输出电路,被配置为输出输出电压设定信号; 输出电压检测器电路和驱动控制电路,被配置为基于来自输出电压检测器电路的信号和输出电压设置信号输出控制信号,用于控制压电变压器驱动电路。 输出电压设定信号输出电路输出与低于目标电压的电压相对应的输出电压设定信号,然后输出与目标电压对应的另一输出电压设定信号。