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Title:
UNDERWATER MONITORING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2024/038663
Kind Code:
A1
Abstract:
This underwater monitoring system (1) comprises: a first housing (12) of which a lower side is open to form a first opening (12a), and which has a gas (10) sealed therein and is disposed underwater; a first weight (14) which is connected to the first opening (12a) side and makes the first opening (12a) side face downwards in the water; a first float (16) which is connected to a side opposite the first opening (12a) side of the first housing (12) and causes the first housing (12) to be suspended down in the water (22); and a first optical information acquisition device (20) which is installed so as not to be in contact with water in the gas (10) inside the first housing (12) and acquires optical information about the lower side of the first opening (12a).

Inventors:
KAGEYAMA KOUJI (JP)
YAMANOI ICHIRO (JP)
Application Number:
PCT/JP2023/020918
Publication Date:
February 22, 2024
Filing Date:
June 06, 2023
Export Citation:
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Assignee:
HITACHI LTD (JP)
International Classes:
G01N33/18; C02F1/00
Domestic Patent References:
WO2019139170A12019-07-18
Foreign References:
JP2017026763A2017-02-02
JP2004266423A2004-09-24
JP2000231147A2000-08-22
JPH09281100A1997-10-31
JP2021006804A2021-01-21
JP2021176209A2021-11-04
JP2019024377A2019-02-21
KR20190133538A2019-12-03
JPH02140729A1990-05-30
JP2010510487A2010-04-02
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (JP)
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