FIELD: radio engineering; receiving antennas of special-purpose devices such as mine communication equipment. SUBSTANCE: antenna has current transformer whose secondary is output winding incorporating linear shorted-out ferromagnetic receiving core and oscillatory circuit; in addition it has similar magnetic antennas connected into series, series-parallel, and canonical circuits; transformer primary is shorted-out turn of next magnetic antenna; output magnet of antenna is any magnetic antenna out of series-closed canonical circuits of magnetic antennas. EFFECT: simplified design, enhanced sensitivity. 5 dwg
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Authors
Dates
2002-10-20—Published
2000-04-12—Filed