FR2670001B1 - - Google Patents

Info

Publication number
FR2670001B1
FR2670001B1 FR9015142A FR9015142A FR2670001B1 FR 2670001 B1 FR2670001 B1 FR 2670001B1 FR 9015142 A FR9015142 A FR 9015142A FR 9015142 A FR9015142 A FR 9015142A FR 2670001 B1 FR2670001 B1 FR 2670001B1
Authority
FR
France
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 - Fee Related
Application number
FR9015142A
Other languages
French (fr)
Other versions
FR2670001A1 (fr
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 filed Critical
Priority to FR9015142A priority Critical patent/FR2670001A1/fr
Priority to EP91119032A priority patent/EP0487955A1/fr
Publication of FR2670001A1 publication Critical patent/FR2670001A1/fr
Application granted granted Critical
Publication of FR2670001B1 publication Critical patent/FR2670001B1/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
    • G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
    • G01C17/02—Magnetic compasses
    • G01C17/04—Magnetic compasses with north-seeking magnetic elements, e.g. needles
    • G01C17/06—Suspending magnetic elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Drawing Aids And Blackboards (AREA)
  • Instructional Devices (AREA)
FR9015142A 1990-11-30 1990-11-30 Boussole. Granted FR2670001A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9015142A FR2670001A1 (fr) 1990-11-30 1990-11-30 Boussole.
EP91119032A EP0487955A1 (fr) 1990-11-30 1991-11-08 Boussole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9015142A FR2670001A1 (fr) 1990-11-30 1990-11-30 Boussole.

Publications (2)

Publication Number Publication Date
FR2670001A1 FR2670001A1 (fr) 1992-06-05
FR2670001B1 true FR2670001B1 (US06534493-20030318-C00342.png) 1993-02-26

Family

ID=9402860

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9015142A Granted FR2670001A1 (fr) 1990-11-30 1990-11-30 Boussole.

Country Status (2)

Country Link
EP (1) EP0487955A1 (US06534493-20030318-C00342.png)
FR (1) FR2670001A1 (US06534493-20030318-C00342.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104236532B (zh) * 2013-06-19 2018-09-14 肖之建 快速平衡充油罗盘

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR745442A (US06534493-20030318-C00342.png) * 1933-05-10

Also Published As

Publication number Publication date
FR2670001A1 (fr) 1992-06-05
EP0487955A1 (fr) 1992-06-03

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Legal Events

Date Code Title Description
ST Notification of lapse