JPS57166512A - Device for measuring depth of water - Google Patents

Device for measuring depth of water

Info

Publication number
JPS57166512A
JPS57166512A JP5200881A JP5200881A JPS57166512A JP S57166512 A JPS57166512 A JP S57166512A JP 5200881 A JP5200881 A JP 5200881A JP 5200881 A JP5200881 A JP 5200881A JP S57166512 A JPS57166512 A JP S57166512A
Authority
JP
Japan
Prior art keywords
quay
sonar
water
over
suspended
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP5200881A
Other languages
Japanese (ja)
Inventor
Hidehiko Tsuboi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP5200881A priority Critical patent/JPS57166512A/en
Publication of JPS57166512A publication Critical patent/JPS57166512A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C13/00—Surveying specially adapted to open water, e.g. sea, lake, river or canal
    • G01C13/008—Surveying specially adapted to open water, e.g. sea, lake, river or canal measuring depth of open water

Abstract

PURPOSE:To accurately measure the depth of water near a quay by fitting a sonar vertically to a weight, suspended vertically from a jib projecting from a crane running on a quay to over the surface of water, so that the tip part of the sonar is dipped in the water. CONSTITUTION:A wire 2b is hung from a jig 2a projecting from a crane 2 running in parallel to a quay to over the sea surface. An operation floor 3 as a weight is suspended from the wire 2b, and a sonar 4 is fitted with its measurement surface down while being directed in a vertical direction. Then, only the lower end of the sonar 4 is dipped sufficiently in the water and the distance between the quay 1 and suspended operation floor 3 and that of the floor 3 and the reverse surface of sonar 4 are found. The crane runs while varying the distance between the sonar 4 and quay 1 by slanting the jib 2a, thus finding the depth of water near the quay 1 all over.
JP5200881A 1981-04-07 1981-04-07 Device for measuring depth of water Pending JPS57166512A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5200881A JPS57166512A (en) 1981-04-07 1981-04-07 Device for measuring depth of water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5200881A JPS57166512A (en) 1981-04-07 1981-04-07 Device for measuring depth of water

Publications (1)

Publication Number Publication Date
JPS57166512A true JPS57166512A (en) 1982-10-14

Family

ID=12902786

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5200881A Pending JPS57166512A (en) 1981-04-07 1981-04-07 Device for measuring depth of water

Country Status (1)

Country Link
JP (1) JPS57166512A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63149515A (en) * 1986-12-12 1988-06-22 Nippon Sagiyousen Kyokai Depth measuring apparatus
CN100430694C (en) * 2006-12-31 2008-11-05 哈尔滨工程大学 Multi-beam wide covering sea floor relief and geomorphy surveying device
CN100447531C (en) * 2006-12-31 2008-12-31 哈尔滨工程大学 Portable multi-beam depth sounder
CN102116643A (en) * 2010-12-14 2011-07-06 中国科学院长春光学精密机械与物理研究所 Image simulation and display device for space camera with high resolution and wide coverage

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5443906A (en) * 1977-09-14 1979-04-06 Shinei Kiko Kk Method of demolding pottery form

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5443906A (en) * 1977-09-14 1979-04-06 Shinei Kiko Kk Method of demolding pottery form

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63149515A (en) * 1986-12-12 1988-06-22 Nippon Sagiyousen Kyokai Depth measuring apparatus
CN100430694C (en) * 2006-12-31 2008-11-05 哈尔滨工程大学 Multi-beam wide covering sea floor relief and geomorphy surveying device
CN100447531C (en) * 2006-12-31 2008-12-31 哈尔滨工程大学 Portable multi-beam depth sounder
CN102116643A (en) * 2010-12-14 2011-07-06 中国科学院长春光学精密机械与物理研究所 Image simulation and display device for space camera with high resolution and wide coverage

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