JPS6239881B2 - - Google Patents

Info

Publication number
JPS6239881B2
JPS6239881B2 JP13361280A JP13361280A JPS6239881B2 JP S6239881 B2 JPS6239881 B2 JP S6239881B2 JP 13361280 A JP13361280 A JP 13361280A JP 13361280 A JP13361280 A JP 13361280A JP S6239881 B2 JPS6239881 B2 JP S6239881B2
Authority
JP
Japan
Prior art keywords
circuit
output
azimuth
digital signal
outputs
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
JP13361280A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5757209A (en
Inventor
Nobuyoshi Yoshikawa
Tomoji Natsume
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.)
Nippon Seiki Co Ltd
Original Assignee
Nippon Seiki 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 Nippon Seiki Co Ltd filed Critical Nippon Seiki Co Ltd
Priority to JP13361280A priority Critical patent/JPS5757209A/ja
Publication of JPS5757209A publication Critical patent/JPS5757209A/ja
Publication of JPS6239881B2 publication Critical patent/JPS6239881B2/ja
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
    • G01C17/02—Magnetic compasses
    • G01C17/28—Electromagnetic compasses
    • G01C17/30—Earth-inductor compasses

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Navigation (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
JP13361280A 1980-09-25 1980-09-25 Course indicating device Granted JPS5757209A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13361280A JPS5757209A (en) 1980-09-25 1980-09-25 Course indicating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13361280A JPS5757209A (en) 1980-09-25 1980-09-25 Course indicating device

Publications (2)

Publication Number Publication Date
JPS5757209A JPS5757209A (en) 1982-04-06
JPS6239881B2 true JPS6239881B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-08-25

Family

ID=15108873

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13361280A Granted JPS5757209A (en) 1980-09-25 1980-09-25 Course indicating device

Country Status (1)

Country Link
JP (1) JPS5757209A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5958313U (ja) * 1982-10-08 1984-04-16 三菱電機株式会社 方位表示装置
EP0113221B1 (en) * 1982-12-30 1987-04-08 Nautech Limited Compass systems
JPS6269117A (ja) * 1985-09-21 1987-03-30 Rhythm Watch Co Ltd 方位表示装置

Also Published As

Publication number Publication date
JPS5757209A (en) 1982-04-06

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