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    • 5. 发明申请
    • METHOD AND APPARATUS FOR MEDIA STACK HEIGHT SENSING
    • 用于媒体堆栈高度感测的方法和装置
    • WO02030795A1
    • 2002-04-18
    • PCT/US2001/042550
    • 2001-10-09
    • B65H1/08B65H1/26B65H7/04
    • B65H7/04B65H2511/152B65H2515/708B65H2515/712B65H2553/21B65H2553/23B65H2220/03B65H2220/01
    • The present invention employs an inexpensive method and apparatus for media height sensing. A sheet fed media-using-machine (63) has a media holder (64). The media holder (64) holds a stack (24) of a variable quantity of sheets of a medium to be supplied to a media-using-machine (63). The media holder (64) has a structure (30) for supporting the sheets and has a stack pusher (32) which may be a mechanical device that pushes the stack into a position such that said media-using-machine (63) may withdaw the sheets from said stack (24). The stack pusher (32) has a variable position within a range of motion wherein such position is dependent upon a quantity of sheets in the stack (24). A variable device (40) is attached to the stack pusher such that an electrical property of said variable device varies in relation to said position thereby allowing calculation of an estimate of the quantity of sheets in said stack (24), where the calculation is performed using said electrical property. The variable device (40) may be, for example, a capacitor or a resistor, and the electrical property being capacitance or resistance, respectively.
    • 本发明采用廉价的介质高度检测方法和装置。 供纸媒体使用机(63)的纸张具有介质保持器(64)。 介质保持器(64)保持要供应到介质使用机器(63)的介质的可变量的片材的堆叠(24)。 介质保持器(64)具有用于支撑片材的结构(30),并且具有堆叠推动器(32),其可以是将堆叠推动到使得所述介质使用机器(63)可以撤回的位置的机械装置 来自所述堆叠(24)的片材。 堆叠推动器(32)在运动范围内具有可变位置,其中该位置取决于堆叠(24)中的片材的数量。 可变装置(40)附接到堆叠推动器,使得所述可变装置的电气特性相对于所述位置变化,从而允许计算所述堆叠(24)中的片材数量,其中进行计算 使用所述电气性能。 可变装置(40)可以是例如电容器或电阻器,电特性分别为电容或电阻。
    • 6. 发明申请
    • PROCESS AND POWER LOOM
    • 过程和动力室
    • WO9306278A3
    • 1993-05-13
    • PCT/EP9202203
    • 1992-09-23
    • IRO AB
    • JOSEFSSON PAERJACOBSSON KURT ARNE GUNNARTHOLANDER LARS HELGE GOTTFRID
    • B65H59/26B65H59/40D03D47/34
    • D03D47/34B65H59/26B65H59/40B65H2553/23B65H2553/26B65H2701/31
    • According to a process for controlling the insertion process of a weft yarn, the weft yarn is temporarily exposed to a braking friction and the yarn tension is mechanically picked-up. In order to prevent the friction from having a disturbing or damaging effect on the yarn, the yarn tension is only temporarily picked-up during certain phases of the insertion process, in order to derive from the tension curve informations that is useful for the control. In a power loom, in particular a jet, rapier or gripper shuttle loom, a tension sensor for sensing the tension of the weft yarn can be switched during insertion between its sensing position and a passive position in which it does not touch the weft yarn. Appropriately, the tension sensor is integrated in the insertion brake or even forms the braking element itself.
    • 根据用于控制纬纱插入过程的过程,纬纱暂时暴露于制动摩擦并且机械地拾取纱线张力。 为了防止摩擦对纱线造成干扰或破坏性影响,纱线张力仅在插入过程的某些阶段期间暂时被拾取,以便从张力曲线中导出对于控制有用的信息。 在动力织机中,特别是喷气式剑杆织机或梭式梭织机中,用于感测纬纱张力的张力传感器可以在插入其感测位置和其中它不接触纬纱的被动位置之间插入。 适当地,张力传感器集成在插入式制动器中,或者甚至形成制动元件本身。