| 摘要 |
FIELD: measurement technology; automatic-control systems. SUBSTANCE: value of distance to object being checked is determined at one-time radiation of probing pulse. Device intended for measuring the distance has two ultrasonic transducers positioned along line parallel to surface of object being checked at basic distance from each other, acoustic pulse generator, amplifier-former, five electronic switches, two triggers, two single-shot multivibrators, and three counters. EFFECT: higher measurement results. 2 cl, 2 dwg øøø1
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