FIELD: telephone communication. SUBSTANCE: given piezoceramic capsule has coil, piezoceramic diaphragm under pressure contacting through pins inserted inside coil, elastic ring to give contact pressure and perforated enclosure covering them. Perforated enclosure presents perforated covering disc. Cylindrical space meant for placement of diaphragm, elastic ring and covering disc is made in coil. Collection of restoring feet is intended to lock covering disc. EFFECT: simplified automated assembly. 8 cl, 5 dwg
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