FR2134374B1 - - Google Patents

Info

Publication number
FR2134374B1
FR2134374B1 FR7212524A FR7212524A FR2134374B1 FR 2134374 B1 FR2134374 B1 FR 2134374B1 FR 7212524 A FR7212524 A FR 7212524A FR 7212524 A FR7212524 A FR 7212524A FR 2134374 B1 FR2134374 B1 FR 2134374B1
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
Application number
FR7212524A
Other versions
FR2134374A1 (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.)
Laitram LLC
Original Assignee
Laitram LLC
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 Laitram LLC filed Critical Laitram LLC
Publication of FR2134374A1 publication Critical patent/FR2134374A1/fr
Application granted granted Critical
Publication of FR2134374B1 publication Critical patent/FR2134374B1/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
    • G01C17/02—Magnetic compasses
    • G01C17/04—Magnetic compasses with north-seeking magnetic elements, e.g. needles
    • G01C17/20—Observing the compass card or needle
    • G01C17/26—Observing the compass card or needle using electric pick-offs for transmission to final indicator, e.g. photocell
    • 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)
  • Level Indicators Using A Float (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
FR7212524A 1971-04-28 1972-04-10 Expired FR2134374B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13810571A 1971-04-28 1971-04-28

Publications (2)

Publication Number Publication Date
FR2134374A1 FR2134374A1 (fr) 1972-12-08
FR2134374B1 true FR2134374B1 (fr) 1976-03-12

Family

ID=22480449

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7212524A Expired FR2134374B1 (fr) 1971-04-28 1972-04-10

Country Status (8)

Country Link
BE (1) BE781683A (fr)
CH (1) CH552199A (fr)
DE (1) DE2216187A1 (fr)
FR (1) FR2134374B1 (fr)
GB (1) GB1321212A (fr)
IT (1) IT952230B (fr)
NL (1) NL7203293A (fr)
SE (1) SE389554B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3888016A (en) * 1972-08-10 1975-06-10 Little Inc A Digital compass
US4216868A (en) * 1978-08-04 1980-08-12 Eaton Corporation Optical digital sensor for crane operating aid
WO1980001606A1 (fr) * 1979-01-31 1980-08-07 Eburen Kk Dispositif de detection de la position reelle d'un objet mobile
US4521875A (en) * 1981-12-21 1985-06-04 Hughes Aircraft Company Orientation detection system for thin-line towed sonar arrays

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3349406A (en) * 1965-06-23 1967-10-24 Geodyne Corp Monitoring position-indicating recorder
CA861781A (en) * 1968-06-29 1971-01-26 Patrick Harrison And Company Limited Aircraft compass
US3588001A (en) * 1969-02-05 1971-06-28 Bendix Corp Shock-absorbing means for a free pendulous magnetic azimuth detector mechanism
US3634946A (en) * 1969-02-10 1972-01-18 Lundy Electronics & Syst Inc Digital compass

Also Published As

Publication number Publication date
NL7203293A (fr) 1972-10-31
SE389554B (sv) 1976-11-08
FR2134374A1 (fr) 1972-12-08
GB1321212A (en) 1973-06-27
BE781683A (fr) 1972-07-31
CH552199A (de) 1974-07-31
IT952230B (it) 1973-07-20
DE2216187A1 (de) 1972-11-02

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Legal Events

Date Code Title Description
ST Notification of lapse