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FR2406186A1 - Dispositif pour instrument de determination optique, et de preference visuelle, d'un plan defini - Google Patents

Dispositif pour instrument de determination optique, et de preference visuelle, d'un plan defini

Info

Publication number
FR2406186A1
FR2406186A1 FR7829069A FR7829069A FR2406186A1 FR 2406186 A1 FR2406186 A1 FR 2406186A1 FR 7829069 A FR7829069 A FR 7829069A FR 7829069 A FR7829069 A FR 7829069A FR 2406186 A1 FR2406186 A1 FR 2406186A1
Authority
FR
France
Prior art keywords
instrument
optical determination
visual preference
defined plan
preference instrument
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.)
Pending
Application number
FR7829069A
Other languages
English (en)
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
Publication of FR2406186A1 publication Critical patent/FR2406186A1/fr
Pending 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Eye Examination Apparatus (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)

Abstract

a. Dispositif pour instrument de détermination optique d'un plan défini, par observation des figures de moiré formées par des écrans à lignes parallèles opaques. b. Dispositif caractérisé en ce qu'il comprend un miroir incliné permettant d'éclairer l'appareil, la nuit, à partir d'une lampe d'éclairage général ou d'un dispositif d'éclairage particulier associé à l'appareil. c. Le dispositif selon l'invention s'utilise sur des appareils de chantiers permettant de définir un plan horizontal à niveler.
FR7829069A 1977-10-12 1978-10-11 Dispositif pour instrument de determination optique, et de preference visuelle, d'un plan defini Pending FR2406186A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7711444A SE408480B (sv) 1977-10-12 1977-10-12 Anordning vid ett instrument for optisk foretredesvis visuell bestemning av ett visst plan

Publications (1)

Publication Number Publication Date
FR2406186A1 true FR2406186A1 (fr) 1979-05-11

Family

ID=20332539

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7829069A Pending FR2406186A1 (fr) 1977-10-12 1978-10-11 Dispositif pour instrument de determination optique, et de preference visuelle, d'un plan defini

Country Status (14)

Country Link
US (1) US4245912A (fr)
JP (1) JPS5494070A (fr)
AR (1) AR216547A1 (fr)
AU (1) AU517930B2 (fr)
BR (1) BR7806782A (fr)
CA (1) CA1115945A (fr)
DE (1) DE2841574A1 (fr)
DK (1) DK435878A (fr)
ES (1) ES474658A1 (fr)
FI (1) FI783082A (fr)
FR (1) FR2406186A1 (fr)
GB (1) GB2005832B (fr)
NO (1) NO783256L (fr)
SE (1) SE408480B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2748321A1 (fr) * 1996-05-06 1997-11-07 Muller Bem Dispositif pour le controle geometrique de vehicule

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE422117B (sv) * 1980-09-22 1982-02-15 Bergkvist Lars A Anordning for utmerkande av enslinjer
SE426987B (sv) * 1981-09-16 1983-02-21 Inogon Licens Ab Enslinjeindikator
US5052807A (en) * 1990-06-28 1991-10-01 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Three dimensional moire pattern alignment
GB2599642A (en) 2020-10-02 2022-04-13 Teknoweb Mat S P A Spunlace composite web comprising staple fibers, short absorbent fibers and binder

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2024448A1 (fr) * 1968-11-28 1970-08-28 Kronnie & Volkers

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2024448A1 (fr) * 1968-11-28 1970-08-28 Kronnie & Volkers

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2748321A1 (fr) * 1996-05-06 1997-11-07 Muller Bem Dispositif pour le controle geometrique de vehicule
EP0806629A1 (fr) * 1996-05-06 1997-11-12 Muller Bem Dispositif pour le contrÔle géométrique de véhicule
US5886781A (en) * 1996-05-06 1999-03-23 Muller Bem Device for the geometric inspection of vehicles

Also Published As

Publication number Publication date
AU517930B2 (en) 1981-09-03
NO783256L (no) 1979-04-18
GB2005832B (en) 1982-04-07
GB2005832A (en) 1979-04-25
JPS5494070A (en) 1979-07-25
AR216547A1 (es) 1979-12-28
FI783082A (fi) 1979-04-13
DE2841574A1 (de) 1979-04-26
US4245912A (en) 1981-01-20
AU4062878A (en) 1980-04-17
ES474658A1 (es) 1979-03-16
CA1115945A (fr) 1982-01-12
DK435878A (da) 1979-04-13
SE7711444L (sv) 1979-04-13
BR7806782A (pt) 1979-05-15
SE408480B (sv) 1979-06-11

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