FR2293696A1 - MAGNETIC COMPASS SYSTEM WITH DATA TRANSMISSION - Google Patents

MAGNETIC COMPASS SYSTEM WITH DATA TRANSMISSION

Info

Publication number
FR2293696A1
FR2293696A1 FR7536668A FR7536668A FR2293696A1 FR 2293696 A1 FR2293696 A1 FR 2293696A1 FR 7536668 A FR7536668 A FR 7536668A FR 7536668 A FR7536668 A FR 7536668A FR 2293696 A1 FR2293696 A1 FR 2293696A1
Authority
FR
France
Prior art keywords
data transmission
magnetic compass
compass system
magnetic
transmission
Prior art date
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
FR7536668A
Other languages
French (fr)
Other versions
FR2293696B1 (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.)
Sperry Corp
Original Assignee
Sperry Rand 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
Priority claimed from US05/528,759 external-priority patent/US3942257A/en
Priority claimed from US05/528,758 external-priority patent/US3938257A/en
Priority claimed from US05/528,760 external-priority patent/US3939572A/en
Application filed by Sperry Rand Corp filed Critical Sperry Rand Corp
Publication of FR2293696A1 publication Critical patent/FR2293696A1/en
Application granted granted Critical
Publication of FR2293696B1 publication Critical patent/FR2293696B1/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
    • G01C17/36—Repeaters for remote indication of readings of a master compass
    • 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
    • G01C17/28—Electromagnetic compasses
    • G01C17/30—Earth-inductor compasses
    • 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
    • G01C17/38—Testing, calibrating, or compensating of compasses

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Electromagnetism (AREA)
  • Feedback Control In General (AREA)
  • Measuring Magnetic Variables (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
  • Ac-Ac Conversion (AREA)
FR7536668A 1974-12-02 1975-12-01 MAGNETIC COMPASS SYSTEM WITH DATA TRANSMISSION Granted FR2293696A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US05/528,759 US3942257A (en) 1974-12-02 1974-12-02 Index error correction for flux valve heading repeater system
US05/528,758 US3938257A (en) 1974-12-02 1974-12-02 Two-cycle compensator for flux valve heading repeater system
US05/528,760 US3939572A (en) 1974-12-02 1974-12-02 Latitude compensator for flux valve heading repeater system

Publications (2)

Publication Number Publication Date
FR2293696A1 true FR2293696A1 (en) 1976-07-02
FR2293696B1 FR2293696B1 (en) 1982-06-25

Family

ID=27415007

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7536668A Granted FR2293696A1 (en) 1974-12-02 1975-12-01 MAGNETIC COMPASS SYSTEM WITH DATA TRANSMISSION

Country Status (6)

Country Link
JP (2) JPS5942244B2 (en)
CA (1) CA1059311A (en)
DE (1) DE2554190C2 (en)
FR (1) FR2293696A1 (en)
GB (2) GB1487161A (en)
IT (1) IT1060081B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2436367A1 (en) * 1978-05-01 1980-04-11 Sperry Corp METHOD AND APPARATUS FOR COMPENSATING ERRORS OF CAP SIGNALS OF A MAGNETIC AZIMUTY DETECTOR

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4262427A (en) * 1979-08-10 1981-04-21 Sperry Corporation Flux valve compass system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1623555B2 (en) * 1967-07-05 1977-10-20 Smiths Industries Ltd., London NAVIGATION DEVICE FOR DETERMINING THE NORTH / SOUTH AND EAST / WEST COMPONENTS OF THE LEGAL COURSE OF A VEHICLE
US3548284A (en) * 1968-07-19 1970-12-15 Sperry Rand Corp Synchro data transmission apparatus having discrete gain changing to compensate for undesirable signal gradient variations
US3678593A (en) * 1968-12-26 1972-07-25 Sperry Rand Corp Compass system and components therefor having automatic field cancellation
US3705980A (en) * 1970-01-02 1972-12-12 Sperry Rand Corp Controlled magnitude repeater for synchro and resolver signals
US3646537A (en) * 1970-03-13 1972-02-29 Sperry Rand Corp Automatic gain control for an electromechanical transducer
US3617863A (en) * 1970-04-02 1971-11-02 Sperry Rand Corp Constant amplitude-variable phase circuit
US3784753A (en) * 1972-12-26 1974-01-08 Sperry Rand Corp Multiplexed gain control for a synchro data transmission system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2436367A1 (en) * 1978-05-01 1980-04-11 Sperry Corp METHOD AND APPARATUS FOR COMPENSATING ERRORS OF CAP SIGNALS OF A MAGNETIC AZIMUTY DETECTOR

Also Published As

Publication number Publication date
DE2554190A1 (en) 1976-08-12
JPS5178265A (en) 1976-07-07
IT1060081B (en) 1982-07-10
JPS5178264A (en) 1976-07-07
JPS5942244B2 (en) 1984-10-13
GB1487161A (en) 1977-09-28
DE2554190C2 (en) 1986-02-06
FR2293696B1 (en) 1982-06-25
CA1059311A (en) 1979-07-31
GB1487162A (en) 1977-09-28

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse