GB2358925B - Gyro compass - Google Patents

Gyro compass

Info

Publication number
GB2358925B
GB2358925B GB0102958A GB0102958A GB2358925B GB 2358925 B GB2358925 B GB 2358925B GB 0102958 A GB0102958 A GB 0102958A GB 0102958 A GB0102958 A GB 0102958A GB 2358925 B GB2358925 B GB 2358925B
Authority
GB
United Kingdom
Prior art keywords
gyro compass
compass
gyro
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 - Fee Related
Application number
GB0102958A
Other versions
GB0102958D0 (en
GB2358925A (en
Inventor
Kanshi Yamamoto
Shin-Ichi Kawada
Takeshi Hojo
Michio Fukano
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.)
Tokimec Inc
Original Assignee
Tokimec 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
Priority claimed from JP00417998A external-priority patent/JP4308934B2/en
Priority claimed from JP6701098A external-priority patent/JPH11264728A/en
Application filed by Tokimec Inc filed Critical Tokimec Inc
Priority claimed from GB9900514A external-priority patent/GB2337115B/en
Publication of GB0102958D0 publication Critical patent/GB0102958D0/en
Publication of GB2358925A publication Critical patent/GB2358925A/en
Application granted granted Critical
Publication of GB2358925B publication Critical patent/GB2358925B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
  • Navigation (AREA)
GB0102958A 1998-01-12 1999-01-11 Gyro compass Expired - Fee Related GB2358925B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP00417998A JP4308934B2 (en) 1998-01-12 1998-01-12 Gyro compass
JP6701098A JPH11264728A (en) 1998-03-17 1998-03-17 Gyrocompass
GB9900514A GB2337115B (en) 1998-01-12 1999-01-11 Gyro compass

Publications (3)

Publication Number Publication Date
GB0102958D0 GB0102958D0 (en) 2001-03-21
GB2358925A GB2358925A (en) 2001-08-08
GB2358925B true GB2358925B (en) 2002-01-23

Family

ID=27269610

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0102958A Expired - Fee Related GB2358925B (en) 1998-01-12 1999-01-11 Gyro compass

Country Status (1)

Country Link
GB (1) GB2358925B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2253483A (en) * 1991-02-21 1992-09-09 Tokimec Inc Gyro compass
US5416976A (en) * 1990-11-14 1995-05-23 Tokimec Inc. Gyro compass

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5416976A (en) * 1990-11-14 1995-05-23 Tokimec Inc. Gyro compass
GB2253483A (en) * 1991-02-21 1992-09-09 Tokimec Inc Gyro compass

Also Published As

Publication number Publication date
GB0102958D0 (en) 2001-03-21
GB2358925A (en) 2001-08-08

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20090111