DE8907079U1 - - Google Patents

Info

Publication number
DE8907079U1
DE8907079U1 DE8907079U DE8907079U DE8907079U1 DE 8907079 U1 DE8907079 U1 DE 8907079U1 DE 8907079 U DE8907079 U DE 8907079U DE 8907079 U DE8907079 U DE 8907079U DE 8907079 U1 DE8907079 U1 DE 8907079U1
Authority
DE
Germany
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
Application number
DE8907079U
Other languages
German (de)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE8907079U priority Critical patent/DE8907079U1/de
Publication of DE8907079U1 publication Critical patent/DE8907079U1/de
Priority to AT90110780T priority patent/ATE96537T1/en
Priority to DE90110780T priority patent/DE59003198D1/en
Priority to EP90110780A priority patent/EP0401815B1/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
    • G01C15/002—Active optical surveying means
    • G01C15/008—Active optical surveying means combined with inclination sensor
    • 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
    • G01C9/24—Measuring inclination, e.g. by clinometers, by levels by using liquids in closed containers partially filled with liquid so as to leave a gas bubble
DE8907079U 1989-06-09 1989-06-09 Expired DE8907079U1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE8907079U DE8907079U1 (en) 1989-06-09 1989-06-09
AT90110780T ATE96537T1 (en) 1989-06-09 1990-06-07 SPIRIT LEVEL.
DE90110780T DE59003198D1 (en) 1989-06-09 1990-06-07 Spirit level.
EP90110780A EP0401815B1 (en) 1989-06-09 1990-06-07 Spirit level

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE8907079U DE8907079U1 (en) 1989-06-09 1989-06-09

Publications (1)

Publication Number Publication Date
DE8907079U1 true DE8907079U1 (en) 1989-11-16

Family

ID=6839950

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8907079U Expired DE8907079U1 (en) 1989-06-09 1989-06-09

Country Status (1)

Country Link
DE (1) DE8907079U1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0617258A1 (en) * 1993-03-24 1994-09-28 MICRO ITALIANA S.p.A. Portable goniometer of the two pivoting arms type
EP0922932A1 (en) * 1997-12-09 1999-06-16 Long Distance (S.à.r.l.) Levelling tool
WO2007128992A1 (en) * 2006-04-07 2007-11-15 Paul Andrew Sparrow A spirit level

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0617258A1 (en) * 1993-03-24 1994-09-28 MICRO ITALIANA S.p.A. Portable goniometer of the two pivoting arms type
EP0922932A1 (en) * 1997-12-09 1999-06-16 Long Distance (S.à.r.l.) Levelling tool
WO2007128992A1 (en) * 2006-04-07 2007-11-15 Paul Andrew Sparrow A spirit level
US7975393B2 (en) 2006-04-07 2011-07-12 Paul Andrew Sparrow Spirit level

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