FIELD: computer engineering.
SUBSTANCE: invention relates to the computer engineering. System consists of ground and underground parts. Ground part of the system forms a transmitting and receiving units, and the underground part of the system forms an electronic unit with a protective screen and a grounding electrode. Transmitting and receiving units form a light barrier by radiation and receiving N light beams. Transmitting unit comprises collimator lenses, and receiving unit – focusing lenses. Electronic unit comprises transmitters and receivers by number of light beams, as well as control and evaluation unit. Ground and underground parts of the system are connected by means of transport fiber-optic guides. Ground part of system is made with complete absence of electronic components and metal conductors, which provides stable protection against high-energy electromagnetic jamming.
EFFECT: protection of infrared active alarm system from high-energy electromagnetic interferences.
1 cl, 1 dwg
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