GB9929088D0 - Survey and navigation device - Google Patents

Survey and navigation device

Info

Publication number
GB9929088D0
GB9929088D0 GBGB9929088.4A GB9929088A GB9929088D0 GB 9929088 D0 GB9929088 D0 GB 9929088D0 GB 9929088 A GB9929088 A GB 9929088A GB 9929088 D0 GB9929088 D0 GB 9929088D0
Authority
GB
United Kingdom
Prior art keywords
survey
navigation device
navigation
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
GBGB9929088.4A
Other versions
GB2344654A (en
GB2344654B (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.)
Miller Crichton E M
Original Assignee
Miller Crichton E M
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 Miller Crichton E M filed Critical Miller Crichton E M
Publication of GB9929088D0 publication Critical patent/GB9929088D0/en
Publication of GB2344654A publication Critical patent/GB2344654A/en
Application granted granted Critical
Publication of GB2344654B publication Critical patent/GB2344654B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01C9/12—Measuring inclination, e.g. by clinometers, by levels by using a single pendulum plumb lines G01C15/10
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/02—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by astronomical 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
    • G01C9/02—Details
    • G01C9/06—Electric or photoelectric indication or reading means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Automation & Control Theory (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)
GB9929088A 1998-12-10 1999-12-08 Survey and navigation device Expired - Fee Related GB2344654B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9827473A GB2344887B (en) 1998-12-10 1998-12-10 Surveying navigation and astronomy instrument

Publications (3)

Publication Number Publication Date
GB9929088D0 true GB9929088D0 (en) 2000-02-02
GB2344654A GB2344654A (en) 2000-06-14
GB2344654B GB2344654B (en) 2002-12-11

Family

ID=10844173

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9827473A Expired - Fee Related GB2344887B (en) 1998-12-10 1998-12-10 Surveying navigation and astronomy instrument
GB9929088A Expired - Fee Related GB2344654B (en) 1998-12-10 1999-12-08 Survey and navigation device

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB9827473A Expired - Fee Related GB2344887B (en) 1998-12-10 1998-12-10 Surveying navigation and astronomy instrument

Country Status (1)

Country Link
GB (2) GB2344887B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100523725C (en) * 2006-03-10 2009-08-05 中国海洋大学 Anchor horizontal oblique angle measuring device and using method thereof
CN101398302B (en) * 2007-09-26 2011-03-23 力帆实业(集团)股份有限公司 Front inclination angle measurement mechanism for motorcycle
DE102008010844B4 (en) * 2008-02-25 2017-11-02 Mohamed El-Habib Rahal Crescent-tracking device
CN103196427A (en) * 2013-02-26 2013-07-10 罗斌 Semicircular built-in counterweight type slope gauge applicable to heading face in pit
CN103884320A (en) * 2014-03-10 2014-06-25 中国华冶科工集团有限公司 Detection method of structure perpendicularity
CN104949654A (en) * 2014-03-31 2015-09-30 雷万军 No-water-gauge type level gauge
CN108036770A (en) * 2017-12-11 2018-05-15 合肥霞康电子商务有限公司 A kind of high accuracy road gradient detection trolley
CN109470212A (en) * 2018-11-22 2019-03-15 国网天津市电力公司电力科学研究院 A kind of Lightning-Rod Protection Disign In Substations shaft tower gradient detecting instrument and its application method
CN111809894A (en) * 2020-04-30 2020-10-23 中冶(上海)钢结构科技有限公司 Self-calibration net rack suitable for uneven terrain and construction method thereof
CN113251995B (en) * 2021-05-18 2023-03-21 中国科学院云南天文台 Method for obtaining all-weather astronomical longitude and latitude indirect measurement value
CN113819888B (en) * 2021-11-22 2022-03-08 郯城县水务集团有限公司 Open-air building gradient measuring device

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB556379A (en) * 1942-09-09 1943-10-01 Reginald Victor Edwards Improvements in or relating to builder's levels
GB722828A (en) * 1952-02-07 1955-02-02 Frederick Bowes D Enis Improvements in or relating to clinometers
GB1258518A (en) * 1969-02-28 1971-12-30
GB1411598A (en) * 1972-12-12 1975-10-29 Dunn G R Navigation instrument
US3828436A (en) * 1972-12-24 1974-08-13 C King Swinging t-square
SE420648B (en) * 1980-03-26 1981-10-19 Bo Nordgren TILT ADJUSTMENT DEVICE
GB2143639A (en) * 1983-07-20 1985-02-13 John Derek Stafford Townshend Perspective clinometer
US4586263A (en) * 1985-03-15 1986-05-06 Brattain Charles E Pendulum level
US4914823A (en) * 1987-06-11 1990-04-10 Harris Kenneth W Float biased level apparatus
GB2292220B (en) * 1994-08-11 1998-05-20 Dennis George Yeo Imrpovements relating to levelling aids
CA2143369A1 (en) * 1995-02-24 1996-08-25 Manamohan Clare Level indicator for articles on a vertical surface
GB9618821D0 (en) * 1996-09-10 1996-10-23 Footitt Mark P Apparatus for use on construction sites

Also Published As

Publication number Publication date
GB2344887B (en) 2000-11-01
GB9827473D0 (en) 1999-02-10
GB2344654A (en) 2000-06-14
GB2344887A (en) 2000-06-21
GB2344654B (en) 2002-12-11
GB2344887A9 (en) 2000-07-07

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Legal Events

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

Effective date: 20091208