JPS5761908A - Automatic arithmetic device of azimuth - Google Patents

Automatic arithmetic device of azimuth

Info

Publication number
JPS5761908A
JPS5761908A JP13717480A JP13717480A JPS5761908A JP S5761908 A JPS5761908 A JP S5761908A JP 13717480 A JP13717480 A JP 13717480A JP 13717480 A JP13717480 A JP 13717480A JP S5761908 A JPS5761908 A JP S5761908A
Authority
JP
Japan
Prior art keywords
azimuth
north
declination
angle
gyrocompass
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.)
Pending
Application number
JP13717480A
Other languages
English (en)
Inventor
Kiyomi Minohara
Kiyoetsu Hachitani
Hiroshi Nakai
Atsushi Abe
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.)
Furuno Electric Co Ltd
Original Assignee
Furuno Electric Co Ltd
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 Furuno Electric Co Ltd filed Critical Furuno Electric Co Ltd
Priority to JP13717480A priority Critical patent/JPS5761908A/ja
Publication of JPS5761908A publication Critical patent/JPS5761908A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
    • G01C19/02—Rotary gyroscopes
    • G01C19/34—Rotary gyroscopes for indicating a direction in the horizontal plane, e.g. directional gyroscopes
    • G01C19/38—Rotary gyroscopes for indicating a direction in the horizontal plane, e.g. directional gyroscopes with north-seeking action by other than magnetic means, e.g. gyrocompasses using earth's rotation

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Navigation (AREA)
JP13717480A 1980-09-30 1980-09-30 Automatic arithmetic device of azimuth Pending JPS5761908A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13717480A JPS5761908A (en) 1980-09-30 1980-09-30 Automatic arithmetic device of azimuth

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13717480A JPS5761908A (en) 1980-09-30 1980-09-30 Automatic arithmetic device of azimuth

Publications (1)

Publication Number Publication Date
JPS5761908A true JPS5761908A (en) 1982-04-14

Family

ID=15192538

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13717480A Pending JPS5761908A (en) 1980-09-30 1980-09-30 Automatic arithmetic device of azimuth

Country Status (1)

Country Link
JP (1) JPS5761908A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3228027A1 (de) * 1982-07-27 1984-02-02 Anschütz & Co GmbH, 2300 Kiel Verfahren zum einschwingen der drallachse eines schiffskreisels
US5272815A (en) * 1990-11-14 1993-12-28 Tokimec Inc. Gyro compass

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3228027A1 (de) * 1982-07-27 1984-02-02 Anschütz & Co GmbH, 2300 Kiel Verfahren zum einschwingen der drallachse eines schiffskreisels
US5272815A (en) * 1990-11-14 1993-12-28 Tokimec Inc. Gyro compass

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