| 摘要 |
FIELD: physics. ^ SUBSTANCE: device for preventing collision of a helicopter with high-voltage power lines has a nondirectional antenna, a receiver, four switches, two threshold units, three flip-flops, a tunable filter, an n-bit shift register, a k/n type detector, two AND circuits, a brightness indicator, two OR circuits, an audio indicator, a clock-pulse generator, a frequency divider, a one-bit counter, a logic unit, two delay units, a narrow-directional antenna, an information processing unit, an electric power line angular position indicator, a "turn away" instruction indicator and a unit for analysing the dynamics of execution of the "turn away" instruction by the pilot, connected in a certain way. ^ EFFECT: safer helicopter flying. ^ 3 dwg |
