SYSTEM OF DETECTION OF CONCEALED TRACKING OF SUBMARINE Russian patent published in 2002 - IPC

FIELD: sonar navigational equipment; sonar complexes of submarines. SUBSTANCE: proposed system includes sonar listening station with extended towed antenna and device for laying and hauling-in the antenna; system is additionally provided with sonobuoy laying unit; sonobuoys include buoy usage unit, power supply unit, timer, sonar equipment and hydrophone unit, signal processing unit, signal unit, buoyancy control unit, unballasting unit, buoy flooding unit, mode setting unit, NOT gate and four AND gates. EFFECT: enhanced efficiency of combat use of submarines. 1 dwg