NL7203293A - - Google Patents

Info

Publication number
NL7203293A
NL7203293A NL7203293A NL7203293A NL7203293A NL 7203293 A NL7203293 A NL 7203293A NL 7203293 A NL7203293 A NL 7203293A NL 7203293 A NL7203293 A NL 7203293A NL 7203293 A NL7203293 A NL 7203293A
Authority
NL
Netherlands
Application number
NL7203293A
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
Publication of NL7203293A publication Critical patent/NL7203293A/xx

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)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Level Indicators Using A Float (AREA)
NL7203293A 1971-04-28 1972-03-13 NL7203293A (xx)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL7203293A true NL7203293A (xx) 1972-10-31

Family

ID=22480449

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7203293A NL7203293A (xx) 1971-04-28 1972-03-13

Country Status (8)

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

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
CH552199A (de) 1974-07-31
SE389554B (sv) 1976-11-08
FR2134374B1 (xx) 1976-03-12
FR2134374A1 (xx) 1972-12-08
GB1321212A (en) 1973-06-27
IT952230B (it) 1973-07-20
DE2216187A1 (de) 1972-11-02

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Legal Events

Date Code Title Description
BB A search report has been drawn up
BV The patent application has lapsed