PARAMETRIC ECHO SOUNDER Russian patent published in 1994 - IPC

Abstract RU 2011205 C1

FIELD: acoustic devices. SUBSTANCE: echo sounder has synchronizer 1, square wave pulse shaper 3, harmonic oscillation generators 5 and 6, switches 7 and 8, power amplifiers 9 and 10, acoustic pump transducer 11, switch 13, receiving transducer 17, difference-frequency echo signal receiver 18, recording device 19, delay circuits 2, square-wave pulse shaper 4, controllable direct current voltage source 12, direct current amplifier 14, electrolysis plates 15,16. EFFECT: enhanced stability and efficiency. 2 dwg

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RU 2 011 205 C1

Authors

Kabarukhin Jurij Ivanovich

Dates

1994-04-15—Published

1991-07-01—Filed