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2 551 391

(13)

(51)

IPC

G01S3/80(2006-01-01)

(21) (22)

Application

2013145272/28, 2013-10-10

(24)

Start date

2013-10-10

(22)

Actual filing date

2013-10-10

(45)

Published

2015-05-20

(72)

Inventor

Ezhelov Sergej MikhajlovichNekrasov Vitalij NikolaevichToropov Vladimir NikandrovichShestakov Vladimir Mikhajlovich

(73)

Holder

Rossijskaja Federatsija, Ot Imeni Kotoroj Vystupaet Ministerstvo Promyshlennosti I Torgovli Rossijskoj Federatsii Rossii)

DEVICE FOR MEASURING UNDERWATER NOISE OF WATERCRAFT AND SYSTEM FOR CHECKING OPERATING STATE THEREOF Russian patent published in 2015 - IPC G01S3/80

Abstract RU 2551391 C2

FIELD: physics, acoustics.

SUBSTANCE: invention relates to hydroacoustics and can be used to monitor the noise emission level of an underwater object in a natural water body. The method includes raising a measurement module from watercraft, said measurement module being fitted with hydrophones and used to measure the noise emission level of the watercraft. The measurement module is fitted with a system for checking the operating state thereof without dismantling the device.

EFFECT: enabling measurement of the noise level of underwater watercraft directly from the watercraft.

13 cl, 3 dwg

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RU 2 551 391 C2

Authors

Ezhelov Sergej Mikhajlovich

Nekrasov Vitalij Nikolaevich

Toropov Vladimir Nikandrovich

Shestakov Vladimir Mikhajlovich

Dates

2015-05-20—Published

2013-10-10—Filed