FR2564580B1 - Niveau a bulle quatre quadrants - Google Patents

Niveau a bulle quatre quadrants

Info

Publication number
FR2564580B1
FR2564580B1 FR8407546A FR8407546A FR2564580B1 FR 2564580 B1 FR2564580 B1 FR 2564580B1 FR 8407546 A FR8407546 A FR 8407546A FR 8407546 A FR8407546 A FR 8407546A FR 2564580 B1 FR2564580 B1 FR 2564580B1
Authority
FR
France
Prior art keywords
quadrants
bubble level
bubble
level
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
FR8407546A
Other languages
English (en)
Other versions
FR2564580A1 (fr
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.)
DOUSSET ROBERT
Original Assignee
DOUSSET ROBERT
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 DOUSSET ROBERT filed Critical DOUSSET ROBERT
Priority to FR8407546A priority Critical patent/FR2564580B1/fr
Publication of FR2564580A1 publication Critical patent/FR2564580A1/fr
Application granted granted Critical
Publication of FR2564580B1 publication Critical patent/FR2564580B1/fr
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
    • G01C9/18—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
    • G01C9/36—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 of the spherical type, i.e. for indicating the level in all directions
    • 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
    • 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
    • G01C9/26—Details
    • G01C9/32—Means for facilitating the observation of the position of the bubble, e.g. illuminating means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Optical Elements Other Than Lenses (AREA)
FR8407546A 1984-05-16 1984-05-16 Niveau a bulle quatre quadrants Expired FR2564580B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8407546A FR2564580B1 (fr) 1984-05-16 1984-05-16 Niveau a bulle quatre quadrants

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8407546A FR2564580B1 (fr) 1984-05-16 1984-05-16 Niveau a bulle quatre quadrants

Publications (2)

Publication Number Publication Date
FR2564580A1 FR2564580A1 (fr) 1985-11-22
FR2564580B1 true FR2564580B1 (fr) 1986-10-31

Family

ID=9304021

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8407546A Expired FR2564580B1 (fr) 1984-05-16 1984-05-16 Niveau a bulle quatre quadrants

Country Status (1)

Country Link
FR (1) FR2564580B1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9302828U1 (de) * 1993-02-26 1993-04-08 Mettler-Toledo Ag, Greifensee Vorrichtung zum Ausrichten einer Geräteeinheit
US5749152A (en) * 1995-07-10 1998-05-12 Goss; William A. Spirit level vial construction
JP3673954B2 (ja) * 1996-04-17 2005-07-20 株式会社トプコン 傾斜センサ及びこれを使用した測量機
US5794355A (en) * 1996-06-03 1998-08-18 Gateway 2000, Inc. Rotationally actuated position sensor
JP3500011B2 (ja) * 1996-07-26 2004-02-23 ペンタックス株式会社 傾斜センサ及び傾斜センサの製造方法
DE10202548A1 (de) * 2002-01-24 2003-08-07 Rheinmetall Landsysteme Gmbh Kampffahrzeug mit Beobachtungssystem
CN114076588B (zh) * 2020-08-12 2023-10-13 三赢科技（深圳）有限公司 水平仪

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE208505C (fr) *
BE553591A (fr) *
FR382972A (fr) * 1907-10-16 1908-02-21 Gaston Adolphe Marie Duquenoy Niveau bi-sphérique à miroir
GB124573A (en) * 1918-03-27 1919-03-27 Ernest John Twigg A New or Improved Level.
CH155155A (de) * 1931-05-09 1932-06-15 Goerz Optische Anstalt Ag Dosenlibelle.
US2782524A (en) * 1955-12-07 1957-02-26 Theodore B H Vogt Magnetized spot levels
DE1952869A1 (de) * 1969-10-21 1971-04-29 Porsche Kg Messvorrichtung,insbesondere zum Pruefen der horizontalen Ebene

Also Published As

Publication number Publication date
FR2564580A1 (fr) 1985-11-22

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Legal Events

Date Code Title Description
ST Notification of lapse