| 摘要 |
PROBLEM TO BE SOLVED: To provide a distance detecting display device capable of comparatively detecting and displaying the intensity change of a reflected signal of a detecting signal. SOLUTION: In this distance detecting display device having a receiver for radiating a pulse signal as the detecting signal and for receiving and amplifying the reflected signal thereof, for accumulating and memorizing the received and amplified reflected signal intensity in a memory, and for displaying it on a display device, the intensity change of the reflected signal is detected, and the detection result is displayed.
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