| 摘要 |
A container inspection system is disclosed in which an ultrasonic wave pulse is impinged on an object such as a container to be detected or inspected, the ultrasonic wave pulse modulated with the inherent vibration of the object is received, the modulated ultrasonic wave pulse is converted into a corresponding electrical signal, and the electrical signal is compared with a reference signal for discriminating whether the container is good or not. This system further includes a device for segregating bad and good objects in response to the inspection result thereof.
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