FIELD: physics.
SUBSTANCE: shooting range has a target with a system of light screens, coaxial communication lines, a block of matching and threshold devices, an OR circuit, a computer, an information display device with a control panel for the tester, a control frame and an emitter power supply. The system of screens is formed by two light sources lying on adjacent sides of the shooting range, and optical-electronic converters arranged in twos on each light source. One of the converters is placed opposite the light source and the other is shifted about the light source.
EFFECT: reliability, high measurement accuracy, simple design and low power consumption.
2 cl, 6 dwg
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