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    • 6. 发明授权
    • Convenient ultrasonic inspection device
    • 方便的超声波检测装置
    • US07562576B2
    • 2009-07-21
    • US11608018
    • 2006-12-07
    • Barry A. FetzerJeffrey R. KollgaardClyde T. Uyehara
    • Barry A. FetzerJeffrey R. KollgaardClyde T. Uyehara
    • G01N29/04
    • G01N29/30G01N29/0645G01N2291/0231G01N2291/048
    • An ultrasonic transducer device is pressed against the front surface of a structure, emits an ultrasonic pulse into the structure, and detects an echo profile from the structure. An indicator is activated if the echo profile includes a return pulse that at least is received from between the front surface and the back surface of the structure. An ultrasonic transducer device includes an ultrasonic transducer and a coupling element coupled to the transducer for disposition between the transducer and a surface of a structure. The coupling element serves as a delay line that allows time for quiescence in the transducer so that return pulses from shallow depths can be detected. The ultrasonic transducer is activated when multiple switches are pressed against a surface thus assuring both firm coupling and perpendicular disposition of the acoustic axis of the transducer relative to the surface.
    • 将超声波换能器按压在结构的前表面上,将超声波脉冲发射到该结构中,并从结构中检测回波曲线。 如果回波曲线包括至少从结构的前表面和后表面之间接收到的返回脉冲,则指示器被激活。 超声波换能器装置包括超声波换能器和联接到换能器的耦合元件,用于配置在换能器和结构的表面之间。 耦合元件用作延迟线,其允许在换能器中静止的时间,使得可以检测来自浅深度的返回脉冲。 当多个开关被按压在表面上时,超声换能器被激活,从而确保换能器的声轴相对于表面的牢固耦合和垂直布置。