NL7012021A - - Google Patents

Info

Publication number
NL7012021A
NL7012021A NL7012021A NL7012021A NL7012021A NL 7012021 A NL7012021 A NL 7012021A NL 7012021 A NL7012021 A NL 7012021A NL 7012021 A NL7012021 A NL 7012021A NL 7012021 A NL7012021 A NL 7012021A
Authority
NL
Netherlands
Application number
NL7012021A
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 filed Critical
Publication of NL7012021A publication Critical patent/NL7012021A/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06—Systems determining the position data of a target
    • G01S15/08—Systems for measuring distance only
    • G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G01S15/101—Particularities of the measurement of distance
    • 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
    • G01C13/002—Measuring the movement of open water
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/38—Seismology; Seismic or acoustic prospecting or detecting specially adapted for water-covered areas
    • G01V1/3817—Positioning of seismic devices

Landscapes

  • Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Hydrology & Water Resources (AREA)
  • Oceanography (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
NL7012021A 1969-08-14 1970-08-14 NL7012021A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA695819A ZA695819B (en) 1969-08-14 1969-08-14 Apparatus for minimising the effect on oceanographic records of adverse swell

Publications (1)

Publication Number Publication Date
NL7012021A true NL7012021A (en) 1971-02-16

Family

ID=25561422

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7012021A NL7012021A (en) 1969-08-14 1970-08-14

Country Status (5)

Country Link
DE (1) DE2040313A1 (en)
FR (1) FR2058282A1 (en)
MC (1) MC876A1 (en)
NL (1) NL7012021A (en)
ZA (1) ZA695819B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4068208A (en) * 1975-07-14 1978-01-10 Texas Instruments Incorporated Marine streamer position determination system
SE419380B (en) * 1977-09-27 1981-07-27 Foerenade Fabriksverken MAKE Separate Deployment Templates From a Water Surface
GB2068548B (en) * 1980-02-01 1983-11-02 Techn Survey Services Ltd Seismic survey apparatus
DE3235198A1 (en) * 1982-09-23 1984-03-29 Honeywell-Elac-Nautik Gmbh, 2300 Kiel Echo sounder with wave height compensation
EP0261731B1 (en) * 1986-09-16 1994-03-16 Eurosense Hoversounding N.V. Method and device for measuring the depth of the bottom under a water surface

Also Published As

Publication number Publication date
MC876A1 (en) 1971-12-24
DE2040313A1 (en) 1971-03-04
FR2058282A1 (en) 1971-05-28
ZA695819B (en) 1971-02-24

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