UNDERWATER ACOUSTIC BENT RECEIVER Russian patent published in 2002 - IPC

FIELD: underwater acoustics. SUBSTANCE: underwater acoustic receiver has two round piezoceramic plates with electrodes on flat surfaces and ring-shaped part fixed between discs. Each piezoceramic plate is made fast to proper disc made of passive material. Discs are produced from structural dielectric, for example, glass cloth-based laminate, and are made tight and fast to ring-shaped part. In this case D_d≥2D_p, where D_d is diameter of disc made of passive material, D_p is diameter of piezoceramic plate. To ensure reliable electric contact foil divided into two isolated regions is applied to surface of disc coupled to piezoceramic round plate. Each region is electrically connected to disc of round piezoceramic plate. EFFECT: manufacture of low-cost underwater acoustic bent receiver with required strength and sensitivity. 1 cl, 1 dwg