GB8630826D0 - Plummets - Google Patents

Plummets

Info

Publication number
GB8630826D0
GB8630826D0 GB868630826A GB8630826A GB8630826D0 GB 8630826 D0 GB8630826 D0 GB 8630826D0 GB 868630826 A GB868630826 A GB 868630826A GB 8630826 A GB8630826 A GB 8630826A GB 8630826 D0 GB8630826 D0 GB 8630826D0
Authority
GB
United Kingdom
Prior art keywords
plummets
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.)
Granted
Application number
GB868630826A
Other versions
GB2185333A (en
GB2185333B (en
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.)
National Research Development Corp UK
Original Assignee
National Research Development Corp UK
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 National Research Development Corp UK filed Critical National Research Development Corp UK
Publication of GB8630826D0 publication Critical patent/GB8630826D0/en
Publication of GB2185333A publication Critical patent/GB2185333A/en
Application granted granted Critical
Publication of GB2185333B publication Critical patent/GB2185333B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
    • G01C15/10—Plumb lines
    • G01C15/105—Optical plumbing

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Length Measuring Devices By Optical Means (AREA)
GB8630826A 1985-12-24 1986-12-23 Optical plummet for checking vertical alignment Expired GB2185333B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858531787A GB8531787D0 (en) 1985-12-24 1985-12-24 Plummets

Publications (3)

Publication Number Publication Date
GB8630826D0 true GB8630826D0 (en) 1987-02-04
GB2185333A GB2185333A (en) 1987-07-15
GB2185333B GB2185333B (en) 1989-11-15

Family

ID=10590265

Family Applications (2)

Application Number Title Priority Date Filing Date
GB858531787A Pending GB8531787D0 (en) 1985-12-24 1985-12-24 Plummets
GB8630826A Expired GB2185333B (en) 1985-12-24 1986-12-23 Optical plummet for checking vertical alignment

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB858531787A Pending GB8531787D0 (en) 1985-12-24 1985-12-24 Plummets

Country Status (2)

Country Link
GB (2) GB8531787D0 (en)
WO (1) WO1987003958A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI20080419L (en) 2008-06-27 2009-12-28 Kone Corp Arrangement and method for positioning the guide wires of elevator cables
FI121977B (en) * 2009-04-07 2011-06-30 Kone Corp Apparatus and method for measuring an elevator shaft
CN109166330A (en) * 2018-09-13 2019-01-08 沧州职业技术学院 A kind of anti-drowned early warning system of the low-lying easy waterlogging section vehicle in city

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2054714A5 (en) * 1969-07-24 1971-05-07 Jutier Pierre
US3667849A (en) * 1969-10-28 1972-06-06 Optic Sciences Corp Laser plummet level
GB1338167A (en) * 1971-02-10 1973-11-21 Bauakademie Ddr Optical guide beam system for locating reference points at various levels of an extensive structure
DE2723095C3 (en) * 1977-05-21 1980-04-17 Hochtief Ag Vorm. Gebr. Helfmann, 4300 Essen Device for the continuous measurement of the distance of a building from a vertical
GB2117511A (en) * 1982-02-19 1983-10-12 Dr Paul Derek Cook Laser beam alignment detection
DE3308573A1 (en) * 1983-03-10 1984-09-13 Ernst Wilhelm 5180 Eschweiler Mende Adjustment device for a structural engineering laser
GB2195465A (en) * 1986-09-29 1988-04-07 Atomic Energy Authority Uk Misalignment detection

Also Published As

Publication number Publication date
GB2185333A (en) 1987-07-15
GB8531787D0 (en) 1986-02-05
WO1987003958A1 (en) 1987-07-02
GB2185333B (en) 1989-11-15

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee