OBJECT PROTECTION DEVICE Russian patent published in 2006 - IPC G08B13/12 

FIELD: signaling devices, namely, devices for signaling about invasion of intruder to territory of guarded object.

SUBSTANCE: device for guarding an object contains local signaling systems, each one of which includes bars with conductors stretched between them, first electromagnetic relay, a button, first resistor, signaling device. Device additionally includes one-pole switch, acoustic alarm device, contactor, a set of projectors. Two local signaling system contours are formed, each one of which additionally includes second electromagnetic relay, second and third resistors, two-pole switch. Signaling device of each local signaling system additionally includes signaling lamp and n conductors (n=4k,k=2,3...).

EFFECT: simplification of device for protection of object, increased reliability and expanded functional capabilities.

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