FR2148615B1 - - Google Patents

Info

Publication number
FR2148615B1
FR2148615B1 FR7228990A FR7228990A FR2148615B1 FR 2148615 B1 FR2148615 B1 FR 2148615B1 FR 7228990 A FR7228990 A FR 7228990A FR 7228990 A FR7228990 A FR 7228990A FR 2148615 B1 FR2148615 B1 FR 2148615B1
Authority
FR
France
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
FR7228990A
Other versions
FR2148615A1 (fr
Inventor
S-I Kawada
T Hojo
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.)
Tokyo Keiki Inc
Original Assignee
Tokyo Keiki 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
Priority claimed from JP6050471A external-priority patent/JPS4827767A/ja
Priority claimed from JP6050171A external-priority patent/JPS527942B2/ja
Application filed by Tokyo Keiki Co Ltd filed Critical Tokyo Keiki Co Ltd
Publication of FR2148615A1 publication Critical patent/FR2148615A1/fr
Application granted granted Critical
Publication of FR2148615B1 publication Critical patent/FR2148615B1/fr
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
    • 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)
  • Gyroscopes (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
FR7228990A 1971-08-10 1972-08-10 Expired FR2148615B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6050471A JPS4827767A (fr) 1971-08-10 1971-08-10
JP6050171A JPS527942B2 (fr) 1971-08-10 1971-08-10

Publications (2)

Publication Number Publication Date
FR2148615A1 FR2148615A1 (fr) 1973-03-23
FR2148615B1 true FR2148615B1 (fr) 1978-05-12

Family

ID=26401576

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7228990A Expired FR2148615B1 (fr) 1971-08-10 1972-08-10

Country Status (9)

Country Link
US (1) US3855711A (fr)
DE (1) DE2239439C3 (fr)
ES (1) ES405684A1 (fr)
FR (1) FR2148615B1 (fr)
GB (1) GB1396163A (fr)
IT (1) IT963888B (fr)
NL (1) NL7210951A (fr)
NO (1) NO135111C (fr)
SE (1) SE375608B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57142512A (en) * 1981-02-27 1982-09-03 Tokyo Keiki Co Ltd Gyro device
JPS57171210A (en) * 1981-04-15 1982-10-21 Tokyo Keiki Co Ltd Gyro compass
JPS61283813A (ja) * 1985-06-10 1986-12-13 Tokyo Keiki Co Ltd ジヤイロ装置
US4879918A (en) * 1987-10-28 1989-11-14 Tokyo Keiki Co., Ltd. Gyro compass
NO990038L (no) * 1998-01-12 1999-07-13 Tokimec Inc Gyrokompass
US12104903B2 (en) * 2021-03-08 2024-10-01 Jefferson Science Associates, Llc Spinning hall probe compass

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3162951A (en) * 1964-12-29 Stationary gyroscopic compass
US2677194A (en) * 1949-11-19 1954-05-04 Arma Corp Gyroscopic compass
US3258976A (en) * 1962-12-31 1966-07-05 Gen Precision Inc Azimuth alignment sensor

Also Published As

Publication number Publication date
US3855711A (en) 1974-12-24
NO135111C (fr) 1977-02-09
DE2239439A1 (de) 1973-02-15
NL7210951A (fr) 1973-02-13
IT963888B (it) 1974-01-21
DE2239439C3 (de) 1975-06-19
ES405684A1 (es) 1975-09-01
GB1396163A (en) 1975-06-04
FR2148615A1 (fr) 1973-03-23
NO135111B (fr) 1976-11-01
DE2239439B2 (fr) 1974-11-07
SE375608B (fr) 1975-04-21

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