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    • 24. 发明授权
    • Ultrasonic sensor system for web-guiding apparatus
    • 用于卷筒纸导引装置的超声波传感器系统
    • US07357027B2
    • 2008-04-15
    • US11483203
    • 2006-07-07
    • Md M. HaqueJim YatesWolfram PloetzDarcy J. WinterDale Hueppelsheuser
    • Md M. HaqueJim YatesWolfram PloetzDarcy J. WinterDale Hueppelsheuser
    • G01N29/24
    • G01D5/48B65H23/0204B65H2553/30G01B17/06G01N29/27G01N2291/045G01N2291/048G01N2291/105G01S15/04
    • A sensor system for determining the position of at least one edge of at least one web material traveling along a predetermined path. In one embodiment, the sensor system has at least one transmitter block having a plurality of transmitters capable of selectively transmitting ultrasonic signals and at least one receiver block having a plurality of receivers capable of generating receiver output signals in response to the receivers receiving at least a portion of the ultrasonic signals transmitted by the at least one transmitter block. The receiver block is spaced a distance from the transmitter block so as to define a sensor field of view therebetween whereby at least a portion of the at least one web material traveling along a predetermined travel path interferes with at least a portion of the ultrasonic signals transmitted by the at least one transmitter block. The receiver output signals generated by the at least one receiver block is indicative of the position of the web of material as the same is moved along the travel path between the transmitter block and the receiver block. In an alternative embodiment, the functions of the at least one transmitter block and the at least one receiver block are performed essentially equivalently by at least one transceiver block and at least one reflector.
    • 传感器系统,用于确定沿着预定路径行进的至少一个幅材材料的至少一个边缘的位置。 在一个实施例中,传感器系统具有至少一个具有能够选择性地发射超声波信号的发射机的发射机模块,并且至少一个具有多个能够产生接收机输出信号的接收机的接收机模块,响应于接收机接收至少一个 由所述至少一个发射器块发送的所述超声波信号的一部分。 接收器块与发射器块间隔一段距离,以便在其间限定传感器视场,由此沿着预定行进路径行进的至少一个腹板材料的至少一部分干扰所传输的超声波信号的至少一部分 由至少一个发射器块。 由至少一个接收器块产生的接收器输出信号指示当材料幅材沿着发射器块和接收器块之间的行进路径移动时的材料幅材的位置。 在替代实施例中,至少一个发射机模块和至少一个接收机模块的功能基本上等同地由至少一个收发器模块和至少一个反射器执行。
    • 27. 发明授权
    • Apparatus and method for securing a moving fabric
    • 用于固定移动织物的装置和方法
    • US5645207A
    • 1997-07-08
    • US497840
    • 1995-07-03
    • William O. Young, Jr.Ebun SurkaGeorge Lark
    • William O. Young, Jr.Ebun SurkaGeorge Lark
    • B65H23/02D06C3/02B23Q15/06B65H26/02B65H43/08
    • B65H23/0204D06C3/026B65H2511/20B65H2557/352
    • An improved apparatus for handling a moving material of indeterminate length utilizes a pair of endless elements located on opposite sides of an intended path of travel for the moving material. Each element is configured to engage and hold a corresponding edge of the material at least partially through the apparatus. The apparatus includes a detector assembly adjacent the path of travel for detecting deviation of at least one edge of the moving material from a normal operating path and outputting signals to initiate corrective reaction to the deviation. The reaction is defined in a predetermined relationship to time the edge remains out of its normal operating path. The apparatus also includes an adjustment device in operative communication with at least one frame member and the detector assembly. The adjustment device receives the corrective signals and positionally adjusts the corresponding frame member in response thereto to achieve the normal operating path. The apparatus may be configured to adjust the frame member at an emergency reaction upon gross deviation of the edge from the normal operating path.
    • 用于处理不确定长度的移动材料的改进的设备利用位于移动材料的预期行进路径的相对侧上的一对环形元件。 每个元件构造成至少部分地通过该装置接合并保持材料的相应边缘。 该装置包括邻近移动路径的检测器组件,用于检测运动材料的至少一个边缘与正常操作路径的偏离,并输出信号以启动对该偏差的校正反应。 反应以与边缘保持超出其正常操作路径的时间的预定关系来定义。 该装置还包括与至少一个框架构件和检测器组件可操作地连通的调节装置。 调整装置响应于此而接收校正信号并对相应的帧部件进行位置调整,以实现正常的操作路径。 该装置可以被配置为在边缘与正常操作路径的总偏差时在紧急反应时调整框架构件。
    • 30. 发明授权
    • Ultrasonic web edge detection method and apparatus
    • 超声波卷边检测方法及装置
    • US5072414A
    • 1991-12-10
    • US388088
    • 1989-07-31
    • Raymond A. BuiskerErich T. ZiemannJames Martyn
    • Raymond A. BuiskerErich T. ZiemannJames Martyn
    • B65H23/02
    • B65H23/0204B65H2553/30
    • The edge of a web of material is inserted into a gap in a detector head between an ultrasonic blockage transmitter and an ultrasonic blockage receiver such that the magnitude of the pulse of sound from the transmitter that is received by the receiver is related to the portion of the web that blocks the beam of sound and thereby the position of the edge of the web. The ultrasonic frequency of each pulse is preferably very high to provide a narrow beam. The second half of the electronic drive pulse to the transmitter is preferably 180.degree. out of phase with the first half of the pulse to reduce excessive ringing of the transmitter. A compensation transmitter and compensation receiver, which are mounted proximate to the blockage transmitter and the blockage receiver, transmit similar sound signals across the gap but are unoccluded by the web. The apparatus includes a controller with a microprocessor which:(A) receives the electrical pulses from the two receivers,(B) determines the peak values of the pulses,(C) averages pulse peak values to provide averaged values which reduce the effect of spurious signals variations, and(D) normalizes the value of the blockage receiver signal with the compensation receiver signal to compensate for transient changes in ambient conditions,to provide an error correcting output signal which can be used to bring the position of the web back to a desired position.
    • 材料网的边缘被插入到超声波阻塞发射器和超声波阻塞接收器之间的检测器头中的间隙中,使得来自接收器接收的来自发射器的声音脉冲的大小与 纤维网阻挡声束,从而阻止幅材边缘的位置。 每个脉冲的超声波频率优选非常高以提供窄波束。 到发射机的电子驱动脉冲的下半部分优选地与脉冲的前半部分相差180度,以减少发射机的过度振铃。 靠近阻塞发射器和阻塞接收器安装的补偿发射器和补偿接收器在间隙上传输相似的声音信号,但不被网络所覆盖。 该装置包括具有微处理器的控制器,其中:(A)接收来自两个接收器的电脉冲,(B)确定脉冲的峰值,(C)对脉冲峰值进行平均,以提供降低寄生效应的平均值 信号变化,以及(D)利用补偿接收机信号对阻塞接收机信号的值进行归一化以补偿环境条件中的瞬时变化,以提供纠错输出信号,该信号可用于将幅带的位置返回到 所期望的职位。