YATSKOV DETECTOR WITH CAPACITIVE AND BEAM DETECTION MEANS Russian patent published in 2019 - IPC G08C17/06 G08B13/26 

FIELD: physics.

SUBSTANCE: invention relates to technical means of security of objects of various lengths. Invention enables to obtain in stable mode stable sensitivity of detector in wide range of SE capacitors by using a new method of converting measured capacity of SE into code, which makes it possible to preset threshold of insensitivity to external influences of changing natural conditions and simplifies designing and operation of entire capacitive security system using invention. Increase in reliability is achieved by generating warning signals on occurrence of violation (before generating an alarm signal) with multiple and high rate of their rechecking with control signals, which enables automatic control of rapidly changing environmental conditions, with simultaneous analysis of signs of violation of capacitive and laser means of detection. Joint use of capacitive and laser detection means enables to obtain information on the penetration direction of an intruder through a guard at high reliability and ensure functioning of security system in case of failure of one of detection means.

EFFECT: technical result is obtaining in automatic mode of stable sensitivity of detector in wide range of capacitances of sensitive element (SE), higher reliability and information value in generation of notification signals.

11 cl, 8 dwg