GB2344887B - Surveying navigation and astronomy instrument - Google Patents
Surveying navigation and astronomy instrumentInfo
- Publication number
- GB2344887B GB2344887B GB9827473A GB9827473A GB2344887B GB 2344887 B GB2344887 B GB 2344887B GB 9827473 A GB9827473 A GB 9827473A GB 9827473 A GB9827473 A GB 9827473A GB 2344887 B GB2344887 B GB 2344887B
- Authority
- GB
- United Kingdom
- Prior art keywords
- surveying
- navigation
- astronomy
- instrument
- astronomy instrument
- 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.)
- Expired - Fee Related
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)
- Length-Measuring Instruments Using Mechanical Means (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9827473A GB2344887B (en) | 1998-12-10 | 1998-12-10 | Surveying navigation and astronomy instrument |
GB9929088A GB2344654B (en) | 1998-12-10 | 1999-12-08 | Survey and navigation device |
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 (4)
Publication Number | Publication Date |
---|---|
GB9827473D0 GB9827473D0 (en) | 1999-02-10 |
GB2344887A GB2344887A (en) | 2000-06-21 |
GB2344887A9 GB2344887A9 (en) | 2000-07-07 |
GB2344887B true GB2344887B (en) | 2000-11-01 |
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 After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9929088A Expired - Fee Related GB2344654B (en) | 1998-12-10 | 1999-12-08 | Survey and navigation device |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB2344887B (en) |
Families Citing this family (11)
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 |
Citations (8)
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 |
GB1411598A (en) * | 1972-12-12 | 1975-10-29 | Dunn G R | Navigation instrument |
WO1981002783A1 (en) * | 1980-03-26 | 1981-10-01 | I Johnsson | Device for setting inclination |
US4586263A (en) * | 1985-03-15 | 1986-05-06 | Brattain Charles E | Pendulum level |
GB2292220A (en) * | 1994-08-11 | 1996-02-14 | Dennis George Yeo | Levelling aid |
GB2298275A (en) * | 1995-02-24 | 1996-08-28 | Grohe Armaturen Friedrich | Level indicator for articles on a wall |
GB2317012A (en) * | 1996-09-10 | 1998-03-11 | Mark Paul Footitt | Apparatus for use on construction sites |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1258518A (en) * | 1969-02-28 | 1971-12-30 | ||
US3828436A (en) * | 1972-12-24 | 1974-08-13 | C King | Swinging t-square |
GB2143639A (en) * | 1983-07-20 | 1985-02-13 | John Derek Stafford Townshend | Perspective clinometer |
US4914823A (en) * | 1987-06-11 | 1990-04-10 | Harris Kenneth W | Float biased level apparatus |
-
1998
- 1998-12-10 GB GB9827473A patent/GB2344887B/en not_active Expired - Fee Related
-
1999
- 1999-12-08 GB GB9929088A patent/GB2344654B/en not_active Expired - Fee Related
Patent Citations (8)
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 |
GB1411598A (en) * | 1972-12-12 | 1975-10-29 | Dunn G R | Navigation instrument |
WO1981002783A1 (en) * | 1980-03-26 | 1981-10-01 | I Johnsson | Device for setting inclination |
US4586263A (en) * | 1985-03-15 | 1986-05-06 | Brattain Charles E | Pendulum level |
GB2292220A (en) * | 1994-08-11 | 1996-02-14 | Dennis George Yeo | Levelling aid |
GB2298275A (en) * | 1995-02-24 | 1996-08-28 | Grohe Armaturen Friedrich | Level indicator for articles on a wall |
GB2317012A (en) * | 1996-09-10 | 1998-03-11 | Mark Paul Footitt | Apparatus for use on construction sites |
Also Published As
Publication number | Publication date |
---|---|
GB2344654A (en) | 2000-06-14 |
GB2344887A (en) | 2000-06-21 |
GB9929088D0 (en) | 2000-02-02 |
GB9827473D0 (en) | 1999-02-10 |
GB2344654B (en) | 2002-12-11 |
GB2344887A9 (en) | 2000-07-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69516373D1 (en) | Surveying instrument | |
AU6768198A (en) | Inspection with global positioning and inertial navigation | |
EP1033556A4 (en) | Three-dimensional measuring method and surveying instrument using the same | |
DE59908094D1 (en) | pointer instrument | |
PL336478A1 (en) | Fluid-flow instrument | |
GB2331364B (en) | Direction indicating compasses | |
GB2362213B (en) | Inertial navigation accuracy enhancement | |
EP1010969B8 (en) | Pointer instrument | |
GB2344887B (en) | Surveying navigation and astronomy instrument | |
EP1008834A4 (en) | Navigation device | |
DE59811000D1 (en) | pointer instrument | |
EP0973025A4 (en) | Orientation measuring instrument | |
FI981442A0 (en) | Navigation compass and rangefinder | |
DE59710362D1 (en) | pointer instrument | |
GB2346115B (en) | Drawing compass | |
EP1127347A4 (en) | Handchime instrument | |
GB2337115B (en) | Gyro compass | |
DE59912954D1 (en) | pointer instrument | |
DE59904714D1 (en) | pointer instrument | |
DE59502683D1 (en) | SATELLITE NAVIGATION PROCEDURE | |
GB9811202D0 (en) | Navigational instrument | |
GB9716069D0 (en) | Differential compass | |
GB2320757B (en) | Navigation aid | |
AU1540000A (en) | Drawing instrument | |
GB2358925B (en) | Gyro compass |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20091210 |