CA1027352A - Digital solid state compass - Google Patents

Digital solid state compass

Info

Publication number
CA1027352A
CA1027352A CA228,460A CA228460A CA1027352A CA 1027352 A CA1027352 A CA 1027352A CA 228460 A CA228460 A CA 228460A CA 1027352 A CA1027352 A CA 1027352A
Authority
CA
Canada
Prior art keywords
solid state
digital solid
state compass
compass
digital
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.)
Expired
Application number
CA228,460A
Other languages
English (en)
French (fr)
Inventor
Robert P. Benjamin
Harley D. Peter
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.)
Raytheon Co
Original Assignee
E Systems Inc
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 E Systems Inc filed Critical E Systems Inc
Application granted granted Critical
Publication of CA1027352A publication Critical patent/CA1027352A/en
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
    • G01C17/28—Electromagnetic compasses

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Magnetic Variables (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Electric Clocks (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
CA228,460A 1974-08-05 1975-06-04 Digital solid state compass Expired CA1027352A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/494,620 US3952420A (en) 1974-08-05 1974-08-05 Digital solid state compass

Publications (1)

Publication Number Publication Date
CA1027352A true CA1027352A (en) 1978-03-07

Family

ID=23965236

Family Applications (1)

Application Number Title Priority Date Filing Date
CA228,460A Expired CA1027352A (en) 1974-08-05 1975-06-04 Digital solid state compass

Country Status (8)

Country Link
US (1) US3952420A (es)
JP (1) JPS5415495B2 (es)
AR (1) AR206533A1 (es)
BR (1) BR7504436A (es)
CA (1) CA1027352A (es)
DE (1) DE2534347A1 (es)
GB (1) GB1498443A (es)
MX (1) MX3072E (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2800084C2 (de) * 1978-01-02 1986-07-17 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Elektronischer Magnetkompaß zur Erzeugung einer periodischen Wechselspannung mit kursabhängiger Phasenlage für eine Kursanzeige bzw. Kursregelung
US4267640A (en) * 1979-04-30 1981-05-19 Rca Corporation System for ascertaining magnetic field direction
US4255866A (en) * 1979-10-30 1981-03-17 The United States Of America As Represented By The Secretary Of The Navy Nonmagnetic compass
JPS6035851Y2 (ja) * 1980-05-23 1985-10-24 株式会社日本自動車部品総合研究所 方位検知装置
FR2505042A1 (fr) * 1981-04-29 1982-11-05 Precilec Compas magnetique utilisant des cellules sensibles au champ magnetique
US4412387A (en) * 1982-05-10 1983-11-01 The United States Of America As Represented By The Secretary Of The Navy Digital compass having a ratiometric bearing processor
US4611293A (en) * 1983-11-28 1986-09-09 Magnavox Government And Industrial Electronics Company Method and apparatus for automatic calibration of magnetic compass
US4797841A (en) * 1983-11-28 1989-01-10 Magnavox Government And Industrial Electronics Company Method and apparatus for automatic calibration of magnetic compass
DE3704934A1 (de) * 1987-02-17 1988-08-25 Wellhausen Heinz Elektronischer kompass mit richtungsabhaengigen magnetfeldsensoren
US5924212A (en) * 1996-10-09 1999-07-20 Donnelly Corporation Electronic compass
US9074892B2 (en) 2013-03-15 2015-07-07 Ian Michael Fink System and method of determining a position of a remote object

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3197880A (en) * 1961-06-15 1965-08-03 Motorola Inc Solid state compass
US3678593A (en) * 1968-12-26 1972-07-25 Sperry Rand Corp Compass system and components therefor having automatic field cancellation
US3634946A (en) * 1969-02-10 1972-01-18 Lundy Electronics & Syst Inc Digital compass
US3579104A (en) * 1969-04-21 1971-05-18 Int Standard Electric Corp Digital phase meter with compensating means for asymmetric waveform distortion
US3601899A (en) * 1969-07-03 1971-08-31 Us Navy Single core solid-state compass
US3657629A (en) * 1970-02-26 1972-04-18 Edward C Lloyd Navigational instrument
US3835375A (en) * 1972-01-21 1974-09-10 L Rovner Apparatus for determining the direction of a magnetic field relative to a reference direction by synchronously scanning the field and a memory
US3903610A (en) * 1972-08-18 1975-09-09 North Atlantic Industries Apparatus for measuring magnetic field direction

Also Published As

Publication number Publication date
AR206533A1 (es) 1976-07-30
JPS5415495B2 (es) 1979-06-15
GB1498443A (en) 1978-01-18
BR7504436A (pt) 1976-08-03
DE2534347A1 (de) 1976-02-19
MX3072E (es) 1980-03-13
US3952420A (en) 1976-04-27
JPS5141553A (es) 1976-04-07

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