METHOD OF PREVENTION OF COLLISION OF HELICOPTER WITH HIGH-VOLTAGE POWER LINES AND DEVICE FOR REALIZATION OF THIS METHOD Russian patent published in 2007 - IPC G01S13/93 

FIELD: radar systems used for prevention of collision of helicopter with high-voltage power lines.

SUBSTANCE: device proposed for prevention of collision of helicopter with high-voltage power lines includes first antenna (1), receiver (2), first and second switches (3) and (4), first threshold unit (5), first flip-flop (6), tuneable filter (7), second threshold unit (8), n-discharge shift register (9), type k/n detector (10), first AND-circuit (11), second flip-flop (12) and brightness indicator (13), first OR-circuit (14), third flip-flop (15), sound indicator (16), clock pulse generator (17), second AND-circuit (18), frequency divider (19), second OR-circuit (20) and single-discharge counter (21), logic unit (22), first and second time delay units (23) and (24), third switch (25), fourth switch (26), second antenna (27), antenna switch (28), shift register (29), n-AND gates(30), n-decoders (31), third OR gate (32), command forming unit (33) for performing "anti-collision" maneuver of helicopter, indicator (34) for furnishing the signal on change of helicopter motion trajectory and fourth flip-flop (35).

EFFECT: enhanced safety of helicopter flights.

3 cl, 3 dwg