JPH0345322B2 - - Google Patents

Info

Publication number
JPH0345322B2
JPH0345322B2 JP56198800A JP19880081A JPH0345322B2 JP H0345322 B2 JPH0345322 B2 JP H0345322B2 JP 56198800 A JP56198800 A JP 56198800A JP 19880081 A JP19880081 A JP 19880081A JP H0345322 B2 JPH0345322 B2 JP H0345322B2
Authority
JP
Japan
Prior art keywords
light
liquid surface
reflected
liquid
incident
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 - Lifetime
Application number
JP56198800A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5899712A (ja
Inventor
Takashi Yokokura
Tsuneo Sasaki
Masayuki Kondo
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.)
TOPUKON KK
Original Assignee
TOPUKON KK
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 TOPUKON KK filed Critical TOPUKON KK
Priority to JP19880081A priority Critical patent/JPS5899712A/ja
Publication of JPS5899712A publication Critical patent/JPS5899712A/ja
Publication of JPH0345322B2 publication Critical patent/JPH0345322B2/ja
Granted 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

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)
  • Optical Transform (AREA)
JP19880081A 1981-12-09 1981-12-09 傾斜角測定装置 Granted JPS5899712A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19880081A JPS5899712A (ja) 1981-12-09 1981-12-09 傾斜角測定装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19880081A JPS5899712A (ja) 1981-12-09 1981-12-09 傾斜角測定装置

Publications (2)

Publication Number Publication Date
JPS5899712A JPS5899712A (ja) 1983-06-14
JPH0345322B2 true JPH0345322B2 (US06623731-20030923-C00012.png) 1991-07-10

Family

ID=16397116

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19880081A Granted JPS5899712A (ja) 1981-12-09 1981-12-09 傾斜角測定装置

Country Status (1)

Country Link
JP (1) JPS5899712A (US06623731-20030923-C00012.png)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60205308A (ja) * 1984-03-30 1985-10-16 Asahi Optical Co Ltd 角度センサ−
JPS60232502A (ja) * 1984-05-04 1985-11-19 Tokyo Optical Co Ltd 液体プリズム
JPS61108908A (ja) * 1984-10-31 1986-05-27 Asahi Optical Co Ltd 微小傾斜角検出装置
JPS61204515A (ja) * 1985-03-07 1986-09-10 Sotsukishiya:Kk 傾斜センサの誤差補正装置
JPH0453532Y2 (US06623731-20030923-C00012.png) * 1985-07-12 1992-12-16
JPH0619273B2 (ja) * 1986-05-23 1994-03-16 株式会社ソキア 傾斜角検出センサ
JPH01148813U (US06623731-20030923-C00012.png) * 1988-04-01 1989-10-16
JPH02150707A (ja) * 1988-12-01 1990-06-11 Kyoto Pref Gov 水準器
EP0626561B1 (en) * 1992-11-12 1997-08-20 Kabushiki Kaisha Topcon Automatic inclination angle compensator
JP4712212B2 (ja) * 2001-03-28 2011-06-29 株式会社トプコン レーザ照準装置
JP4653898B2 (ja) * 2001-03-28 2011-03-16 株式会社トプコン 傾斜検出装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5113358U (US06623731-20030923-C00012.png) * 1974-07-17 1976-01-30

Also Published As

Publication number Publication date
JPS5899712A (ja) 1983-06-14

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