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IPC

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Application

2001109080/28, 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

FACILITY TO SEARCH FOR POINT OF LEAKAGE IN TRUNK PIPE-LINE Russian patent published in 2003 - IPC

Abstract RU 2196312 C2

FIELD: instrumentation. SUBSTANCE: facility has two vibration transducers, two amplifiers, two filters, digital correlator, display, transmitter, receiver, two analog-to-digital converters, encoder, decoder, high- frequency generator, phase manipulator, power amplifier, selector of phase-shift signals, phase doubler, two spectrum-width meters, comparator, threshold unit, key, demodulator of phase-shift signals, two multipliers, narrow-band filter and low- frequency filter. EFFECT: increased reliability of radio channel by way of utilization of complex phase-shift signals. 4 dwg

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RU 2 196 312 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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