FR2167799A1 - - Google Patents

Info

Publication number
FR2167799A1
FR2167799A1 FR7300456A FR7300456A FR2167799A1 FR 2167799 A1 FR2167799 A1 FR 2167799A1 FR 7300456 A FR7300456 A FR 7300456A FR 7300456 A FR7300456 A FR 7300456A FR 2167799 A1 FR2167799 A1 FR 2167799A1
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.)
Granted
Application number
FR7300456A
Other languages
French (fr)
Other versions
FR2167799B1 (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.)
BOHLI HANS CH
Original Assignee
BOHLI HANS CH
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 BOHLI HANS CH filed Critical BOHLI HANS CH
Publication of FR2167799A1 publication Critical patent/FR2167799A1/fr
Application granted granted Critical
Publication of FR2167799B1 publication Critical patent/FR2167799B1/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
    • G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Instructional Devices (AREA)
FR7300456A 1972-01-08 1973-01-08 Expired FR2167799B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH26472A CH540477A (en) 1972-01-08 1972-01-08 Magnetic compass

Publications (2)

Publication Number Publication Date
FR2167799A1 true FR2167799A1 (en) 1973-08-24
FR2167799B1 FR2167799B1 (en) 1976-05-14

Family

ID=4183037

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7300456A Expired FR2167799B1 (en) 1972-01-08 1973-01-08

Country Status (4)

Country Link
CH (1) CH540477A (en)
DE (1) DE2300637A1 (en)
FR (1) FR2167799B1 (en)
GB (1) GB1422552A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB187969A (en) * 1921-10-27 1923-06-14 British Thomson Houston Co Ltd Improvements in and relating to compass and magnetic dip indicators

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB187969A (en) * 1921-10-27 1923-06-14 British Thomson Houston Co Ltd Improvements in and relating to compass and magnetic dip indicators

Also Published As

Publication number Publication date
FR2167799B1 (en) 1976-05-14
DE2300637A1 (en) 1973-07-19
CH540477A (en) 1973-08-15
GB1422552A (en) 1976-01-28

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Legal Events

Date Code Title Description
ST Notification of lapse