METHOD AND SYSTEM FOR PROTECTING GUARDED AREA AGAINST UNAUTHORIZED INVASION Russian patent published in 2003 - IPC

FIELD: anti-theft systems. SUBSTANCE: system designed for detecting point and moment of invasion has device that functions to set up electricity conducting area around invader and generation of high-voltage pulses in aerosol electricity conducting area according to definite algorithm including distance to invader and degree of shock required to stop invasion. System is provided with device for keeping working material designed for building up electricity conducting area which is made in the form of compressed briquettes. EFFECT: enhanced effectiveness of hitting the invader. 7 cl, 3 dwg