AU6937087A - Levelling system and level detector - Google Patents

Levelling system and level detector

Info

Publication number
AU6937087A
AU6937087A AU69370/87A AU6937087A AU6937087A AU 6937087 A AU6937087 A AU 6937087A AU 69370/87 A AU69370/87 A AU 69370/87A AU 6937087 A AU6937087 A AU 6937087A AU 6937087 A AU6937087 A AU 6937087A
Authority
AU
Australia
Prior art keywords
level detector
levelling system
levelling
detector
level
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.)
Abandoned
Application number
AU69370/87A
Inventor
William Ernest Dillon
Greville William Jones
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.)
Individual
Original Assignee
Individual
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
Priority claimed from GB868602273A external-priority patent/GB8602273D0/en
Application filed by Individual filed Critical Individual
Publication of AU6937087A publication Critical patent/AU6937087A/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C9/00—Measuring inclination, e.g. by clinometers, by levels
    • G01C9/02—Details
    • G01C9/06—Electric or photoelectric indication or reading means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C9/00—Measuring inclination, e.g. by clinometers, by levels
    • G01C9/12—Measuring inclination, e.g. by clinometers, by levels by using a single pendulum plumb lines G01C15/10
    • G01C9/14—Measuring inclination, e.g. by clinometers, by levels by using a single pendulum plumb lines G01C15/10 movable in more than one direction
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C9/00—Measuring inclination, e.g. by clinometers, by levels
    • G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
    • G01C9/20—Measuring inclination, e.g. by clinometers, by levels by using liquids the indication being based on the inclination of the surface of a liquid relative to its container
    • G01C9/22—Measuring inclination, e.g. by clinometers, by levels by using liquids the indication being based on the inclination of the surface of a liquid relative to its container with interconnected containers in fixed relation to each other

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Level Indicators Using A Float (AREA)
AU69370/87A 1986-01-30 1987-01-30 Levelling system and level detector Abandoned AU6937087A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB8602273 1986-01-30
GB868602273A GB8602273D0 (en) 1986-01-30 1986-01-30 Levelling system
GB08625218A GB2186100A (en) 1986-01-30 1986-10-21 Levelling system and level detector
GB8625218 1986-10-21

Publications (1)

Publication Number Publication Date
AU6937087A true AU6937087A (en) 1987-08-25

Family

ID=26290295

Family Applications (1)

Application Number Title Priority Date Filing Date
AU69370/87A Abandoned AU6937087A (en) 1986-01-30 1987-01-30 Levelling system and level detector

Country Status (5)

Country Link
EP (1) EP0258301A1 (en)
AU (1) AU6937087A (en)
DK (1) DK513887A (en)
WO (1) WO1987004784A1 (en)
YU (1) YU12087A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU623286B2 (en) * 1989-10-17 1992-05-07 Motoda Electronics Co., Ltd. Method of detecting verticality, detector therefor and level maintaining base which employs said detector and which acts to mount mechanism or apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115290050B (en) * 2022-08-05 2024-05-14 湖北煜途地理信息技术有限公司 Automatic leveling system and automatic leveling method for building surveying and mapping engineering instrument

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4044473A (en) * 1974-02-25 1977-08-30 Hydril Company Tilt detector and system
US4370813A (en) * 1979-06-05 1983-02-01 Burniski Edward W Automatic self-leveling instrument mount
FR2497995A1 (en) * 1981-01-12 1982-07-16 Leonard Automatically levelling platform for weighing scales - has inclinometer providing signals to comparator fed with reference signal to control jacks about platform pivoting axes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU623286B2 (en) * 1989-10-17 1992-05-07 Motoda Electronics Co., Ltd. Method of detecting verticality, detector therefor and level maintaining base which employs said detector and which acts to mount mechanism or apparatus

Also Published As

Publication number Publication date
DK513887D0 (en) 1987-09-30
DK513887A (en) 1987-09-30
EP0258301A1 (en) 1988-03-09
WO1987004784A1 (en) 1987-08-13
YU12087A (en) 1990-12-31

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