METHOD AND SYSTEM TO MAINTAIN AIRPORT SAFETY Russian patent published in 2012 - IPC G08B21/00 

FIELD: explosives.

SUBSTANCE: system comprises a metal detector and at least three instruments of dangerous substance detection, one of which is arranged in the form of the following serially joined components - a pipe of air intake mounted on a conveyor of baggage transportation, a device to air sampling, devices for air pumping, a pipeline of air supply, a mass spectrometer and a communication device, for instance, a modem, which sends and receives information along a communication line from a remote computer, the second instrument has an intake tube installed in a metal detector frame. In order to detect a dangerous substance in a room there is also a detection device applied, to which several air intake tubes are joined, being mounted in different parts of the room, at the same time a multiway valve may switch all air intake tubes in turns, connecting them with a device for dangerous substance detection.

EFFECT: higher reliability of dangerous substance detection and definition of its location on a room plan with minimum expenses.

5 cl, 9 dwg