IT952230B - Perfezionamento nelle bussole magnetiche - Google Patents

Perfezionamento nelle bussole magnetiche

Info

Publication number
IT952230B
IT952230B IT4895472A IT4895472A IT952230B IT 952230 B IT952230 B IT 952230B IT 4895472 A IT4895472 A IT 4895472A IT 4895472 A IT4895472 A IT 4895472A IT 952230 B IT952230 B IT 952230B
Authority
IT
Italy
Prior art keywords
improvement
magnetic compasses
compasses
magnetic
Prior art date
Application number
IT4895472A
Other languages
English (en)
Original Assignee
Laitram Corp
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 Corp filed Critical Laitram Corp
Application granted granted Critical
Publication of IT952230B publication Critical patent/IT952230B/it

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)
IT4895472A 1971-04-28 1972-03-13 Perfezionamento nelle bussole magnetiche IT952230B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT952230B true IT952230B (it) 1973-07-20

Family

ID=22480449

Family Applications (1)

Application Number Title Priority Date Filing Date
IT4895472A IT952230B (it) 1971-04-28 1972-03-13 Perfezionamento nelle bussole magnetiche

Country Status (8)

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

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
GB2053472A (en) * 1979-01-31 1981-02-04 Eburen Kk Actual position detecting device for a moving object
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
BE781683A (fr) 1972-07-31
SE389554B (sv) 1976-11-08
CH552199A (de) 1974-07-31
FR2134374B1 (it) 1976-03-12
GB1321212A (en) 1973-06-27
FR2134374A1 (it) 1972-12-08
NL7203293A (it) 1972-10-31
DE2216187A1 (de) 1972-11-02

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