CA1156828A - Device for the dynamic measurement of inclinations - Google Patents

Device for the dynamic measurement of inclinations

Info

Publication number
CA1156828A
CA1156828A CA000375258A CA375258A CA1156828A CA 1156828 A CA1156828 A CA 1156828A CA 000375258 A CA000375258 A CA 000375258A CA 375258 A CA375258 A CA 375258A CA 1156828 A CA1156828 A CA 1156828A
Authority
CA
Canada
Prior art keywords
light
detector means
housing
light spot
predetermined point
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
Application number
CA000375258A
Other languages
English (en)
French (fr)
Inventor
Bengt Holdar
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
Priority claimed from SE8101381A external-priority patent/SE448918B/sv
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA1156828A publication Critical patent/CA1156828A/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
    • 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
    • G01C9/14—Measuring inclination, e.g. by clinometers, by levels by using a single pendulum movable in more than one direction
    • 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)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Spectrometry And Color Measurement (AREA)
CA000375258A 1980-04-22 1981-04-10 Device for the dynamic measurement of inclinations Expired CA1156828A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE8002997-8 1980-04-22
SE8002997 1980-04-22
SE8101381-5 1981-03-03
SE8101381A SE448918B (sv) 1980-04-22 1981-03-03 Anordning for dynamisk metning av lutning i forhallande till lodlinjen

Publications (1)

Publication Number Publication Date
CA1156828A true CA1156828A (en) 1983-11-15

Family

ID=26657548

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000375258A Expired CA1156828A (en) 1980-04-22 1981-04-10 Device for the dynamic measurement of inclinations

Country Status (8)

Country Link
AU (1) AU537772B2 (OSRAM)
CA (1) CA1156828A (OSRAM)
DE (1) DE3115838C2 (OSRAM)
DK (1) DK150079C (OSRAM)
FI (1) FI811026L (OSRAM)
FR (1) FR2480934A1 (OSRAM)
GB (1) GB2074315B (OSRAM)
NO (1) NO156544C (OSRAM)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4627172A (en) * 1984-08-17 1986-12-09 Innovation Associates Inclinometer having two degrees of freedom
US4812654A (en) * 1986-12-29 1989-03-14 The Charles Stark Draper Laboratory, Inc. Two-axis quartz fiber passive tilt meter
CH674574A5 (OSRAM) * 1988-03-30 1990-06-15 Industrieorientierte Forsch
DE3932053A1 (de) * 1989-09-26 1991-04-04 Rheinische Braunkohlenw Ag Verfahren und vorrichtung zur messung von boeschungsbewegungen
US11059502B1 (en) 2020-07-09 2021-07-13 Bnsf Railway Company Avalanche slide detection system and method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE141501C1 (OSRAM) * 1950-10-13 1953-08-04
US3324564A (en) * 1963-04-01 1967-06-13 Randall J Wright Level with electrically responsive instrument
SE334752B (OSRAM) * 1969-06-23 1971-05-03 Bolinder Munktell
US3602037A (en) * 1969-07-09 1971-08-31 Franklin D Neu Apparatus for measuring minute deflections

Also Published As

Publication number Publication date
DK176281A (da) 1981-10-23
GB2074315B (en) 1983-10-19
AU537772B2 (en) 1984-07-12
NO811242L (no) 1981-10-23
FR2480934B1 (OSRAM) 1984-11-16
FI811026A7 (fi) 1981-10-23
AU6937281A (en) 1981-10-29
DK150079B (da) 1986-12-01
NO156544B (no) 1987-06-29
FI811026L (fi) 1981-10-23
FR2480934A1 (fr) 1981-10-23
DE3115838A1 (de) 1982-02-18
DK150079C (da) 1987-07-13
GB2074315A (en) 1981-10-28
DE3115838C2 (de) 1984-02-23
NO156544C (no) 1987-10-07

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Legal Events

Date Code Title Description
MKEX Expiry