RECEIVING UNIT OF MULTIPLE-ELEMENT HYDROACOUSTIC WIDE- BAND ANTENNA ARRAY Russian patent published in 1997 - IPC

FIELD: hydroacoustic wide-band antenna arrays. SUBSTANCE: device has flat sealed hydroacoustic receiver and screen which is in symmetry with respect to axis which runs through center of receiver and normal to receiving surface. Screen is shaped as rectangle size of which sides is equal to or slightly less than distance between centers of receivers in antenna array. Terminal from receiver runs through central hole in screen along said axis. Diameter of central hole is limited. EFFECT: increased functional capabilities. 2 cl, 3 dwg