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FR920617A - Indicateur d'horizontalité ou d'angle - Google Patents

Indicateur d'horizontalité ou d'angle

Info

Publication number
FR920617A
FR920617A FR920617DA FR920617A FR 920617 A FR920617 A FR 920617A FR 920617D A FR920617D A FR 920617DA FR 920617 A FR920617 A FR 920617A
Authority
FR
France
Prior art keywords
horizontal
angle indicator
indicator
angle
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
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.)
Allen B du Mont Laboratories Inc
Original Assignee
Allen B du Mont Laboratories Inc
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 Allen B du Mont Laboratories Inc filed Critical Allen B du Mont Laboratories Inc
Application granted granted Critical
Publication of FR920617A publication Critical patent/FR920617A/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
    • G01C9/20—Measuring inclination, e.g. by clinometers, by levels by using liquids the indication being based on the inclination of the surface of a liquid relative to its container

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR920617D 1946-01-23 1946-01-23 Indicateur d'horizontalité ou d'angle Expired FR920617A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR920617T 1946-01-23

Publications (1)

Publication Number Publication Date
FR920617A true FR920617A (fr) 1947-04-14

Family

ID=9430010

Family Applications (1)

Application Number Title Priority Date Filing Date
FR920617D Expired FR920617A (fr) 1946-01-23 1946-01-23 Indicateur d'horizontalité ou d'angle

Country Status (1)

Country Link
FR (1) FR920617A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3290786A (en) * 1963-11-01 1966-12-13 Mithras Inc Attitude sensing apparatus
US5177872A (en) * 1990-10-05 1993-01-12 Texas Instruments Incorporated Method and apparatus for monitoring physical positioning of a user
FR2823844A1 (fr) * 2001-04-24 2002-10-25 Robert Andre Charles Dousset Discriminateur a jauges d'impedances en pont differentiel quatre quadrants pour la detection et la mesure de la declivite

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3290786A (en) * 1963-11-01 1966-12-13 Mithras Inc Attitude sensing apparatus
US5177872A (en) * 1990-10-05 1993-01-12 Texas Instruments Incorporated Method and apparatus for monitoring physical positioning of a user
FR2823844A1 (fr) * 2001-04-24 2002-10-25 Robert Andre Charles Dousset Discriminateur a jauges d'impedances en pont differentiel quatre quadrants pour la detection et la mesure de la declivite

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