FR2275752A1 - Niveau de precision automatique - Google Patents

Niveau de precision automatique

Info

Publication number
FR2275752A1
FR2275752A1 FR7421153A FR7421153A FR2275752A1 FR 2275752 A1 FR2275752 A1 FR 2275752A1 FR 7421153 A FR7421153 A FR 7421153A FR 7421153 A FR7421153 A FR 7421153A FR 2275752 A1 FR2275752 A1 FR 2275752A1
Authority
FR
France
Prior art keywords
autocollimator
level detector
automatic level
precision automatic
mounted mirror
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.)
Granted
Application number
FR7421153A
Other languages
English (en)
French (fr)
Other versions
FR2275752B3 (enExample
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.)
BARBIER BENARD TURENNE ANC ETS
Original Assignee
BARBIER BENARD TURENNE ANC ETS
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 BARBIER BENARD TURENNE ANC ETS filed Critical BARBIER BENARD TURENNE ANC ETS
Priority to FR7421153A priority Critical patent/FR2275752A1/fr
Publication of FR2275752A1 publication Critical patent/FR2275752A1/fr
Application granted granted Critical
Publication of FR2275752B3 publication Critical patent/FR2275752B3/fr
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
    • G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
    • G01C15/002—Active optical surveying means
    • 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

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)
FR7421153A 1974-06-18 1974-06-18 Niveau de precision automatique Granted FR2275752A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7421153A FR2275752A1 (fr) 1974-06-18 1974-06-18 Niveau de precision automatique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7421153A FR2275752A1 (fr) 1974-06-18 1974-06-18 Niveau de precision automatique

Publications (2)

Publication Number Publication Date
FR2275752A1 true FR2275752A1 (fr) 1976-01-16
FR2275752B3 FR2275752B3 (enExample) 1977-04-15

Family

ID=9140203

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7421153A Granted FR2275752A1 (fr) 1974-06-18 1974-06-18 Niveau de precision automatique

Country Status (1)

Country Link
FR (1) FR2275752A1 (enExample)

Also Published As

Publication number Publication date
FR2275752B3 (enExample) 1977-04-15

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Legal Events

Date Code Title Description
ST Notification of lapse