Impedance measuring network
    1.
    发明授权
    Impedance measuring network 失效
    阻抗测量网络

    公开(公告)号:US3852999A

    公开(公告)日:1974-12-10

    申请号:US15196571

    申请日:1971-06-10

    Inventor: WRIGHT L

    CPC classification number: B06B1/0253 B06B2201/72 B23K20/10 H01L2224/78

    Abstract: A circuit is connected to an ultrasonic transducer being fed by a constant current or constant voltage power supply. By rectifying, integrating, and amplifying the transducer coil voltage an output signal that is a function of the transducer and load impedance is provided that can be displayed so as to determine the operating condition of the ultrasonic apparatus.

    Abstract translation: 电路连接到由恒流或恒压电源馈送的超声换能器。 通过对换能器线圈电压进行整流,积分和放大,可以显示出作为换能器和负载阻抗的函数的输出信号,以便确定超声波装置的工作状态。

    Impedance-measuring network
    4.
    发明授权
    Impedance-measuring network 失效
    阻抗测量网络

    公开(公告)号:US3636456A

    公开(公告)日:1972-01-18

    申请号:US3636456D

    申请日:1969-12-29

    Inventor: WRIGHT LOREN G

    CPC classification number: B06B1/0253 B06B2201/72

    Abstract: A circuit is connected to an ultrasonic transducer being fed by a constant current or constant voltage power supply. By rectifying, differentiating, and amplifying the transducer coil voltage an output signal that is a function of the transducer and load impedance is provided that can be displayed so as to determine the operating condition of the ultrasonic apparatus.

    Method and apparatus for ultrasonic weld quality analysis employing plural analysis signals
    5.
    发明授权
    Method and apparatus for ultrasonic weld quality analysis employing plural analysis signals 失效
    超声波焊接质量分析方法与装置采用全面分析信号

    公开(公告)号:US3693158A

    公开(公告)日:1972-09-19

    申请号:US3693158D

    申请日:1970-04-01

    Inventor: UTHE PAUL M

    Abstract: A method and apparatus for monitoring parameters indicating the quality of an ultrasonic weld process. A signal that is the function of the transducer and load impedance is first operated on by taking its logarithm. That signal is differentiated to provide a signal indicative of the smoothness of the machine movement; the negative portion of the machine signal is looked at during a selected time frame to detect the weld. The logarithm of the impedance signal is also integrated to provide a signal indicating the cleanness of the weld. The transducer voltage or current can also be monitored to assure that the desired amplitude is applied over an optimum time period.

    Abstract translation: 一种用于监测指示超声波焊接过程的质量的参数的方法和装置。 传感器和负载阻抗函数的信号首先通过取其对数运算。 该信号被区分以提供指示机器运动的平滑度的信号; 在选定的时间范围内查看机器信号的负部分以检测焊缝。 阻抗信号的对数也被积分以提供表示焊缝清洁度的信号。 还可以监测传感器电压或电流,以确保在最佳时间段内施加期望的幅度。

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