JPS58158378

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DESCRIPTION JPS58158378
[0001]
Brief description of the drawings
[0002]
FIG. 1 is a block diagram for explaining the principle of detecting an object using a reflection
type ultrasonic transducer, FIG. 2 is a sectional view of a conventional reflection type ultrasonic
liquid transmitter, and FIG. FIG. 4 is a waveform diagram of a leaky vibration interference wave
according to an embodiment of the present invention. 2 · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·
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· · 11.
02-05-2019
1