FIELD: communication equipment. SUBSTANCE: device has communication channel, which is designed as metal tube, transmitter and transmitting antenna, which are mounted on mobile object, which is located inside tube, and two receiving antennas, which are located inside tube at its ends. This results in possibility detect position of mobile object in tube. EFFECT: increased functional capabilities. 1 dwg
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Authors
Dates
2000-09-10—Published
1998-09-08—Filed