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    • 1. 发明申请
    • Drive Belt Slip and Belt Wear Detection
    • 传动皮带和皮带磨损检测
    • US20100060677A1
    • 2010-03-11
    • US12208442
    • 2008-09-11
    • Michael Eugene JonesDavid Scott AllawayDavid L. Knierim
    • Michael Eugene JonesDavid Scott AllawayDavid L. Knierim
    • B41J29/38
    • G01M13/023G03G15/757G03G2215/00168
    • An imaging system for a printer utilizing a friction belt drum drive is comprised of a drum position sensor, drum pulley, drive belt, motor pulley, drive motor, drive motor position sensor, and controller. The velocities of the drum and motor drive pulleys are measured using the controller and position sensors. These velocities along with the drive ratio are used to determine and monitor slip between the belt and pulleys. The magnitude of the slip measured can be used to trigger the controller to respond to the slip event. These responses may include, for example, disabling the motor or reducing motor current or providing a warning indicative of an excessive slip event. Slip measurement combined with other measurements such as motor current can be used to determine the torque capacity of the friction drive. Further, long-term changes in the ratio of pulley velocities can be used to determine drive belt wear.
    • 利用摩擦带鼓驱动的打印机的成像系统包括鼓位置传感器,鼓轮,驱动带,马达皮带轮,驱动马达,驱动马达位置传感器和控制器。 滚筒和马达驱动皮带轮的速度使用控制器和位置传感器进行测量。 这些速度与驱动比一起用于确定和监测皮带和皮带轮之间的滑动。 测量的滑差的大小可用于触发控制器响应滑动事件。 这些响应可以包括例如禁用电动机或减少电动机电流或提供指示过度滑动事件的警告。 滑动测量结合其他测量,如电机电流可用于确定摩擦传动的扭矩容量。 此外,可以使用滑轮速度的比率的长期变化来确定传动带磨损。
    • 2. 发明授权
    • Drive belt slip and belt wear detection
    • 驱动皮带打滑和皮带磨损检测
    • US08226185B2
    • 2012-07-24
    • US12208442
    • 2008-09-11
    • Michael Eugene JonesDavid Scott AllawayDavid L. Knierim
    • Michael Eugene JonesDavid Scott AllawayDavid L. Knierim
    • B41F13/00B41F33/00
    • G01M13/023G03G15/757G03G2215/00168
    • An imaging system for a printer utilizing a friction belt drum drive is comprised of a drum position sensor, drum pulley, drive belt, motor pulley, drive motor, drive motor position sensor, and controller. The velocities of the drum and motor drive pulleys are measured using the controller and position sensors. These velocities along with the drive ratio are used to determine and monitor slip between the belt and pulleys. The magnitude of the slip measured can be used to trigger the controller to respond to the slip event. These responses may include, for example, disabling the motor or reducing motor current or providing a warning indicative of an excessive slip event. Slip measurement combined with other measurements such as motor current can be used to determine the torque capacity of the friction drive. Further, long-term changes in the ratio of pulley velocities can be used to determine drive belt wear.
    • 利用摩擦带鼓驱动的打印机的成像系统包括鼓位置传感器,鼓轮,驱动带,马达皮带轮,驱动马达,驱动马达位置传感器和控制器。 滚筒和马达驱动皮带轮的速度使用控制器和位置传感器进行测量。 这些速度与驱动比一起用于确定和监测皮带和皮带轮之间的滑动。 测量的滑差的大小可用于触发控制器响应滑动事件。 这些响应可以包括例如禁用电动机或减少电动机电流或提供指示过度滑动事件的警告。 滑动测量结合其他测量,如电机电流可用于确定摩擦传动的扭矩容量。 此外,可以使用滑轮速度的比率的长期变化来确定传动带磨损。
    • 3. 发明申请
    • System and method for lubricating a transfer roller with an image member
    • 用于润滑具有图像构件的转印辊的系统和方法
    • US20090027436A1
    • 2009-01-29
    • US11880560
    • 2007-07-23
    • Paul John McConvilleTrevor James SnyderJeffrey Russell KohneBrent Edward FlemingMichael Eugene Jones
    • Paul John McConvilleTrevor James SnyderJeffrey Russell KohneBrent Edward FlemingMichael Eugene Jones
    • B41J29/38
    • G03G15/168
    • Ghosting conditions occur less frequently during duplex printing when a transfix roller in a printer is enabled to remain in rolling contact with release agent on a print drum after a trailing edge of a media sheet has left a transfix nip between the transfix roller and the print drum. A printer in which such rolling contact occurs includes a print drum for receiving ink ejected by a print head, a release agent applicator located proximate to the print drum to apply release agent to the print drum, a transfix roller located proximate to the print drum, a displaceable linkage coupled to the transfix roller to move the transfix roller into and out of contact with the print drum, a controller coupled to the displaceable linkage for generating signals that cause the displaceable linkage to move the transfix roller, the controller being configured to generate a transfix signal, a roll-off signal, and a release signal, and the displaceable linkage responds to the transfix signal to move the transfix roller to form the transfix nip with the print drum, the displaceable linkage responds to the roll-off signal to move the transfix roller away from the print drum so the transfix roller remains in rolling contact with the print drum with reduced pressure being exerted on the print drum, and the displaceable linkage responds to the release signal to move the transfix roller out of rolling contact with the print drum.
    • 在双面打印期间,当打印机中的转印辊能够在介质片的后缘离开转印辊和印刷鼓之间的转印辊隙时能够与印刷鼓上的脱模剂保持滚动接触时,双重打印中的重影条件较少发生 。 发生这种滚动接触的打印机包括用于接收由打印头喷射的墨的打印滚筒,位于打印滚筒附近的脱模剂施用器,以向打印滚筒施加脱模剂,位于印刷滚筒附近的定位辊, 可移动连杆,其联接到所述变压器辊以将所述转速辊移动到所述印刷鼓中并与其脱离接触;控制器,其耦合到所述可移位连杆机构,用于产生使所述可移动联动装置移动所述变压器辊的信号,所述控制器被配置为产生 转换信号,滚降信号和释放信号,并且可移动连杆响应于转换信号以移动转印辊以与印刷鼓形成转印辊隙,可移动连杆响应于滚降信号 将转印辊从印刷鼓上移开,使得转印辊与印刷鼓保持滚动接触,减压施加在印刷鼓上 并且可移动连杆响应于释放信号,以使变速辊离开与打印鼓的滚动接触。
    • 4. 发明授权
    • System and method for lubricating a transfer roller with an image member
    • 用于润滑具有图像构件的转印辊的系统和方法
    • US07798631B2
    • 2010-09-21
    • US11880560
    • 2007-07-23
    • Paul John McConvilleTrevor James SnyderJeffrey Russell KohneBrent Edward FlemingMichael Eugene Jones
    • Paul John McConvilleTrevor James SnyderJeffrey Russell KohneBrent Edward FlemingMichael Eugene Jones
    • B41J2/01B41J29/38
    • G03G15/168
    • Ghosting conditions occur less frequently during duplex printing when a transfix roller in a printer is enabled to remain in rolling contact with release agent on a print drum after a trailing edge of a media sheet has left a transfix nip between the transfix roller and the print drum. A printer in which such rolling contact occurs includes a print drum for receiving ink ejected by a print head, a release agent applicator located proximate to the print drum to apply release agent to the print drum, a transfix roller located proximate to the print drum, a displaceable linkage coupled to the transfix roller to move the transfix roller into and out of contact with the print drum, a controller coupled to the displaceable linkage for generating signals that cause the displaceable linkage to move the transfix roller, the controller being configured to generate a transfix signal, a roll-off signal, and a release signal, and the displaceable linkage responds to the transfix signal to move the transfix roller to form the transfix nip with the print drum, the displaceable linkage responds to the roll-off signal to move the transfix roller away from the print drum so the transfix roller remains in rolling contact with the print drum with reduced pressure being exerted on the print drum, and the displaceable linkage responds to the release signal to move the transfix roller out of rolling contact with the print drum.
    • 在双面打印期间,当打印机中的转印辊能够在介质片的后缘离开转印辊和印刷鼓之间的转印辊隙时能够与印刷鼓上的脱模剂保持滚动接触时,双重打印中的重影条件较少发生 。 发生这种滚动接触的打印机包括用于接收由打印头喷射的墨的打印滚筒,位于打印滚筒附近的脱模剂施用器,以向打印滚筒施加脱模剂,位于印刷滚筒附近的定位辊, 可移动连杆,其联接到所述变压器辊以将所述转速辊移动到所述印刷鼓中并与其脱离接触;控制器,其耦合到所述可移位连杆机构,用于产生使所述可移动联动装置移动所述变压器辊的信号,所述控制器被配置为产生 转换信号,滚降信号和释放信号,并且可移动连杆响应于转换信号以移动转印辊以与印刷鼓形成转印辊隙,可移动连杆响应于滚降信号 将转印辊从印刷鼓上移开,使得转印辊与印刷鼓保持滚动接触,减压施加在印刷鼓上 并且可移动连杆响应于释放信号,以使变速辊离开与打印鼓的滚动接触。
    • 5. 发明授权
    • Position encoder's signal processing method and system
    • 编码器的信号处理方法和系统
    • US07834310B2
    • 2010-11-16
    • US12144069
    • 2008-06-23
    • Michael Eugene JonesDavid Douglas Martenson
    • Michael Eugene JonesDavid Douglas Martenson
    • G01J9/00
    • G01D5/3473G01D5/2451G01D5/2457
    • An encoder position signal processing system comprises an analog encoder reader and a codewheel. The codewheel possesses an optical track that modulates the quadrature encoder signal amplitude in order to generate an amplitude change (home pulse) once per revolution of the codewheel. The analog encoder reader outputs a quadrature signal comprised of sine and cosine signals. The quadrature signal is converted to a magnitude signal that is sampled in order to generate a rate of change (ROC) signal, which increases the signal-to-noise ratio. An algorithm using the characteristic shape of the ROC home pulse signal can then be applied to the ROC signal to increases robustness of detecting the home pulse.
    • 编码器位置信号处理系统包括模拟编码器读取器和码字。 该码盘具有调制正交编码器信号幅度的光轨,以便每转一圈的码字产生振幅变化(本地脉冲)。 模拟编码器读取器输出由正弦和余弦信号组成的正交信号。 正交信号被转换为采样的幅度信号,以产生变化率(ROC)信号,这增加了信噪比。 然后可以将使用ROC归属脉冲信号的特征形状的算法应用于ROC信号,以增加检测归位脉冲的鲁棒性。