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公开(公告)号：US5076568A
公开(公告)日：1991-12-31
申请号：US558295
申请日：1990-07-26
申请人： Joannes N. M. de Jong , Aron Sereny
发明人： Joannes N. M. de Jong , Aron Sereny
CPC分类号： B65H5/021 , G03G15/6517 , G03G2215/00455
摘要： A system for maintaining a uniform velocity of a belt which is driven on rollers. A first roller is provided with a first encoder which supplies a pulse train to a first control device which controls a first servomotor. The first servomotor drives the first roller which provides torque to the belt. A second roller is provided with a second encoder which supplies a pulse train to a second control device which controls a second servomotor for selectively dampening the second roller. When a variation in the speed of the belt is detected by the second control device a signal is sent from the second control device to the second servomotor. The second servomotor dampens any speed variations so that the belt maintains a constant speed at a location proximate to the second roller.
摘要翻译： 用于保持在辊上驱动的带的均匀速度的系统。 第一辊设置有第一编码器，该第一编码器向控制第一伺服电动机的第一控制装置提供脉冲串。 第一个伺服电机驱动第一个辊子，为皮带提供扭矩。 第二辊设置有第二编码器，该第二编码器向第二控制装置提供脉冲序列，第二控制装置控制第二伺服电机以选择性地阻尼第二辊。 当第二控制装置检测到皮带速度的变化时，信号从第二控制装置发送到第二伺服电动机。 第二伺服电动机阻尼任何速度变化，使得皮带在靠近第二辊的位置保持恒定的速度。
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公开(公告)号：US4442474A
公开(公告)日：1984-04-10
申请号：US330527
申请日：1981-12-14
CPC分类号： H01G5/16 , G01L9/0072
摘要： In a capacitive pressure transducer of the type having a flexible diaphragm, a "dimple" like or concave surface is formed therein in order to provide an air gap between the flexible diaphragm and a relatively rigid plate. When pressure is applied to the diaphragm, the diaphragm deflects providing a measurable change in capacitance which varies as a function of the applied pressure.
摘要翻译： 在具有柔性隔膜的类型的电容式压力传感器中，在其中形成“凹坑”或凹面，以便在柔性隔膜和相对刚性的板之间提供气隙。 当压力施加到隔膜时，隔膜偏转，提供随着施加的压力而变化的可测量的电容变化。
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3.发明授权System and method for reducing electrostatic fields underneath print heads in an electrostatic media transport 有权用于在静电介质传输中减少打印头下方的静电场的系统和方法公开(公告)号：US09211736B2
公开(公告)日：2015-12-15
申请号：US13557784
申请日：2012-07-25
申请人： Gerald M. Fletcher , Joannes N. M. de Jong , Peter Knausdorf , Steven R. Moore , Palghat S. Ramesh
发明人： Gerald M. Fletcher , Joannes N. M. de Jong , Peter Knausdorf , Steven R. Moore , Palghat S. Ramesh
CPC分类号： B41J11/06 , B41J2/04511 , B41J11/007
摘要： Embodiments described herein are directed to a system for reducing electrostatic fields underneath print heads in a direct marking printing system. The system includes: one or more print heads for depositing ink onto a media substrate; a media transport for moving the media substrate along a media path past the one or more print heads; a conductive platen contacting the media transport belt; and an electrostatic field reducer that includes an alternating current corona device positioned upstream of the one or more print heads. The media transport includes a media transport belt and, when the media substrate is on the transport belt it has an electrostatic field, which can cause printing defects. The electrostatic field reducer reduces the electrostatic field on the surface of the media substrate and thereby reduces printing defects.
摘要翻译： 本文描述的实施例涉及用于在直接标记打印系统中减少打印头下方的静电场的系统。 该系统包括：用于将墨水沉积到介质基板上的一个或多个打印头; 用于沿着介质路径移动介质基板通过所述一个或多个打印头的介质传送器; 与介质输送带接触的导电台板; 以及静电场减速器，其包括位于所述一个或多个打印头的上游的交流电晕装置。 介质输送器包括介质输送带，并且当介质基板在输送带上时，其具有静电场，这可能导致印刷缺陷。 静电场减少器减少介质基板表面的静电场，从而减少打印缺陷。
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公开(公告)号：US4425509A
公开(公告)日：1984-01-10
申请号：US297532
申请日：1981-08-31
CPC分类号： G05D7/018 , F15C3/10 , G05D7/0635 , Y10T137/1135 , Y10T137/2322
摘要： In a flapper nozzle actuator system a radial outward flow turbine like flapper is used as the flapper. The angular velocity of the turboflapper is used to lift the turboflapper off a backplate towards a nozzle. The amount of lift off the backplate and hence nozzle outlet area is a function of the angular velocity of the turboflapper. An adjustable opposing torque on the turboflapper controls the angular velocity of the turboflapper and thus controls the flow rate.
摘要翻译： 在挡板喷嘴致动器系统中，使用诸如挡板的径向向外流动涡轮机作为挡板。 涡轮叶片的角速度用于将涡轮叶片从背板提升到喷嘴。 背板的离开量，因此喷嘴出口面积是涡轮吹风机角速度的函数。 涡轮飞溅器上的可调节相对扭矩控制涡轮飞溅器的角速度，从而控制流速。
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公开(公告)号：US4358954A
公开(公告)日：1982-11-16
申请号：US210088
申请日：1980-11-24
摘要： A traveling wave flow meter having a generally wave shaped member which is fabricated from a flexible material and which is disposed within a channel for conducting fluid. The flexible member undulates in response to a flow of fluid through the channel, and the frequency of the undulating flexible member is a function of the volumetric flow rate of the fluid.
摘要翻译： 一种具有大体波形构件的行波流量计，其由柔性材料制成并且设置在用于传导流体的通道内。 柔性构件响应于通过通道的流体流而波动，并且起伏的柔性构件的频率是流体的体积流量的函数。
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公开(公告)号：US09033200B2
公开(公告)日：2015-05-19
申请号：US13400177
申请日：2012-02-20
IPC分类号： B65H23/188 , B65H23/192 , B41J11/42 , B65H23/04 , B41J15/16 , B41J2/175
CPC分类号： B41J11/42 , B41J2/17593 , B41J15/165 , B65H23/044 , B65H23/1888 , B65H23/192
摘要： In a web printer, tension on the moving web is controlled by monitoring the tension on the web between two rollers and selectively operating an actuator driving the second roller to restore the tension to an acceptable range. The operation of the actuator includes modulating the speed at which the second roller is driven.
摘要翻译： 在卷筒纸打印机中，通过在两个辊子之间监测纸幅上的张力来控制移动幅材上的张力，并且选择性地操作驱动第二辊的致动器以将张力恢复到可接受的范围。 致动器的操作包括调节驱动第二辊的速度。
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公开(公告)号：US08737906B2
公开(公告)日：2014-05-27
申请号：US13630871
申请日：2012-09-28
CPC分类号： B41J11/0095
摘要： A system and method for determining substrate media height including a media transport having a transport surface for carrying thereon substrate media along a media path in a process direction past a print zone. A media height detector is disposed upstream of the print zone. The height detector includes an elongate member disposed above the transport surface and extending across the transport surface in a cross-process direction. The elongate member is slanted with respect to the transport surface with a distance between the elongate member and the transport surface decreasing as the detector extends in the process direction. The height detector includes a deflection sensor operably connected to the elongate member. The deflection sensor senses deflection of the elongate member.
摘要翻译： 一种用于确定衬底介质高度的系统和方法，包括具有传送表面的介质传送器，所述传送表面沿着沿打印区域的处理方向上的介质路径承载基板介质。 介质高度检测器设置在打印区域的上游。 高度检测器包括设置在输送表面上方并沿交叉方向延伸穿过输送表面的细长构件。 细长构件相对于输送表面倾斜，细长构件和输送表面之间的距离随着检测器沿过程方向延伸而减小。 高度检测器包括可操作地连接到细长构件的偏转传感器。 偏转传感器感测细长构件的偏转。
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公开(公告)号：US20140092159A1
公开(公告)日：2014-04-03
申请号：US13630871
申请日：2012-09-28
IPC分类号： B41J29/38
CPC分类号： B41J11/0095
摘要： A system and method for determining substrate media height including a media transport having a transport surface for carrying thereon substrate media along a media path in a process direction past a print zone. A media height detector is disposed upstream of the print zone. The height detector includes an elongate member disposed above the transport surface and extending across the transport surface in a cross-process direction. The elongate member is slanted with respect to the transport surface with a distance between the elongate member and the transport surface decreasing as the detector extends in the process direction. The height detector includes a deflection sensor operably connected to the elongate member. The deflection sensor senses deflection of the elongate member.
摘要翻译： 一种用于确定衬底介质高度的系统和方法，包括具有传送表面的介质传送器，所述传送表面沿着沿打印区域的处理方向上的介质路径承载基板介质。 介质高度检测器设置在打印区域的上游。 高度检测器包括设置在输送表面上方并沿交叉方向延伸穿过输送表面的细长构件。 细长构件相对于输送表面倾斜，细长构件和输送表面之间的距离随着检测器沿过程方向延伸而减小。 高度检测器包括可操作地连接到细长构件的偏转传感器。 偏转传感器感测细长构件的偏转。
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公开(公告)号：US20130257956A1
公开(公告)日：2013-10-03
申请号：US13431695
申请日：2012-03-27
IPC分类号： B41J29/38
CPC分类号： B41J11/0095 , B41J25/304
摘要： A substrate media height detector for a printing system having a print head including a media transport having a surface for moving a sheet of substrate media along a media path in a process direction. An elongate detection member includes a portion extending across the media path in a cross-process direction and is spaced from the media transport surface a predetermined distance. The detection member is movably attached to a support structure and is deflectable upon engagement with a sheet of substrate media. A deflection sensor senses the deflection of the detection member by the substrate media.
摘要翻译： 一种用于打印系统的基板介质高度检测器，其具有包括介质输送器的打印头，介质传送器具有用于沿着处理方向沿着介质路径移动基板介质片的表面。 细长的检测构件包括在交叉处理方向上跨越介质路径延伸的部分，并且与介质输送表面间隔预定距离。 检测构件可移动地附接到支撑结构，并且在与基片介质接合时可偏转。 偏转传感器通过基板介质感测检测部件的偏转。
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公开(公告)号：US20130214023A1
公开(公告)日：2013-08-22
申请号：US13400177
申请日：2012-02-20
IPC分类号： B65H20/02
CPC分类号： B41J11/42 , B41J2/17593 , B41J15/165 , B65H23/044 , B65H23/1888 , B65H23/192
摘要： In a web printer, tension on the moving web is controlled by monitoring the tension on the web between two rollers and selectively operating an actuator driving the second roller to restore the tension to an acceptable range. The operation of the actuator includes modulating the speed at which the second roller is driven.
摘要翻译： 在卷筒纸打印机中，通过在两个辊子之间监测纸幅上的张力来控制移动幅材上的张力，并且选择性地操作驱动第二辊的致动器以将张力恢复到可接受的范围。 致动器的操作包括调节驱动第二辊的速度。
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