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Application

2001109078/28, 2001-04-03

(24)

Start date

2001-04-03

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Actual filing date

2001-04-03

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Published

2003-01-10

(72)

Inventor

Karmazinov F.V.Gumen S.G.Dikarev V.I.Kojnash B.V.

(73)

Holder

Karmazinov Feliks VladimirovichGumen Sergej Grigor'EvichDikarev Viktor IvanovichKojnash Boris Vasil'Evich

PROCEDURE DETECTING POINT OF LEAKAGE IN DELIVERY CONDUIT AND GEAR FOR ITS IMPLEMENTATION Russian patent published in 2003 - IPC

Abstract RU 2196311 C2

FIELD: instrumentation. SUBSTANCE: gear for implementation of procedure incorporates transmitter, first receiver, transmitting antenna, first receiving antenna, phase detector, output voltage meter, delivery conduit, synchronizer, master generator, first multiplier, first narrowband filter, adder, delay line, key, second receiving antenna, second receiver, frequency divider, heterodyne, mixer, intermediate frequency amplifier, second multiplier, second narrow-band filter and amplitude limiter. Technical result of invention lies in increased precision and resolving power by depth thanks to exclusion of reflections from surface " air-ground " and direct radiation as well as in measurement of phase difference Δϕ on stable frequency ωг of heterodyne between reflected signal with frequency ω1 and reflected signal with frequency ω2 referred to frequency ω1. EFFECT: increased precision and resolving power. 2 cl, 1 dwg

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RU 2 196 311 C2

Authors

Karmazinov F.V.

Gumen S.G.

Dikarev V.I.

Kojnash B.V.

Dates

2003-01-10—Published

2001-04-03—Filed

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