DE69521367T2 - Nivellierinstrument - Google Patents

Nivellierinstrument

Info

Publication number
DE69521367T2
DE69521367T2 DE69521367T DE69521367T DE69521367T2 DE 69521367 T2 DE69521367 T2 DE 69521367T2 DE 69521367 T DE69521367 T DE 69521367T DE 69521367 T DE69521367 T DE 69521367T DE 69521367 T2 DE69521367 T2 DE 69521367T2
Authority
DE
Germany
Prior art keywords
nivellierinstrument
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
Application number
DE69521367T
Other languages
English (en)
Other versions
DE69521367D1 (de
Inventor
Fumio Ohtomo
Jun-Ichi Kodaira
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.)
Topcon Corp
Original Assignee
Topcon Corp
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 JP19222194A external-priority patent/JPH0835835A/ja
Priority claimed from JP28128694A external-priority patent/JP3522857B2/ja
Application filed by Topcon Corp filed Critical Topcon Corp
Publication of DE69521367D1 publication Critical patent/DE69521367D1/de
Application granted granted Critical
Publication of DE69521367T2 publication Critical patent/DE69521367T2/de
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
    • G01C9/18—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
    • 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
    • G01C15/002—Active optical surveying means
    • G01C15/004—Reference lines, planes or sectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
    • G01C5/02—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels involving automatic stabilisation of the line of sight
DE69521367T 1994-07-22 1995-07-21 Nivellierinstrument Expired - Fee Related DE69521367T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP19222194A JPH0835835A (ja) 1994-07-22 1994-07-22 傾斜角自動補償装置及び傾斜角検出装置
JP28128694A JP3522857B2 (ja) 1994-10-20 1994-10-20 傾斜角自動補償装置

Publications (2)

Publication Number Publication Date
DE69521367D1 DE69521367D1 (de) 2001-07-26
DE69521367T2 true DE69521367T2 (de) 2002-05-02

Family

ID=26507190

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69521367T Expired - Fee Related DE69521367T2 (de) 1994-07-22 1995-07-21 Nivellierinstrument

Country Status (4)

Country Link
US (1) US5684579A (de)
EP (1) EP0694758B1 (de)
CN (1) CN1092794C (de)
DE (1) DE69521367T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5933393A (en) * 1995-03-02 1999-08-03 Nikon Corporation Laser beam projection survey apparatus with automatic grade correction unit
US5847820A (en) * 1995-12-28 1998-12-08 Hamar Laser Instruments, Inc. Laser apparatus for sensing rotational orientation and levelness
JP3706211B2 (ja) * 1996-09-27 2005-10-12 株式会社トプコン 傾斜角自動補償装置
JPH10213435A (ja) * 1997-01-29 1998-08-11 Nikon Corp 基準光発生装置
JP3794599B2 (ja) * 1997-07-31 2006-07-05 株式会社トプコン 光軸補償装置
US6073354A (en) * 1998-01-20 2000-06-13 Levelite Technology, Inc. Plumb laser beam generator with floating telescope
CN101726288B (zh) * 2009-12-23 2014-09-24 王鹏飞 快速精确自动安平的水平仪
CN102128619B (zh) * 2010-12-14 2014-06-25 长春理工大学 光学铅垂补偿器
CN102824188B (zh) * 2012-08-16 2014-06-25 四川瑞迪医疗科技有限公司 一种激光灯定位系统及定位方法
CN103400527A (zh) * 2013-08-19 2013-11-20 唐山师范学院 直读式液体折射率测量仪以及用其测量液体折射率的方法
US10088124B2 (en) * 2015-12-11 2018-10-02 Abl Ip Holding Llc Dynamic optic
CN110146063B (zh) * 2019-06-18 2021-04-06 广州正霆工程技术有限公司 一种基于保持水平状态提高测量准确度的测量仪
CN112284338B (zh) * 2020-09-25 2022-11-08 南京信息职业技术学院 浮体发光式倾仰角检测器及检测方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3905707A (en) * 1972-05-01 1975-09-16 Wieland Feist Optical level
CH673707A5 (de) * 1987-07-24 1990-03-30 Kern & Co Ag
US5513001A (en) * 1992-11-12 1996-04-30 Kabushiki Kaisha Topcon Tilt angle automatic compensator in all directions
JP3519777B2 (ja) * 1994-04-08 2004-04-19 株式会社トプコン 角度自動補償装置

Also Published As

Publication number Publication date
CN1139752A (zh) 1997-01-08
US5684579A (en) 1997-11-04
EP0694758A1 (de) 1996-01-31
DE69521367D1 (de) 2001-07-26
CN1092794C (zh) 2002-10-16
EP0694758B1 (de) 2001-06-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: GROSSE, BOCKHORNI, SCHUMACHER, 81476 MUENCHEN

8339 Ceased/non-payment of the annual fee