GB1443695A - Instrument for obtaining a compass bearing - Google Patents

Instrument for obtaining a compass bearing

Info

Publication number
GB1443695A
GB1443695A GB3175872A GB3175872A GB1443695A GB 1443695 A GB1443695 A GB 1443695A GB 3175872 A GB3175872 A GB 3175872A GB 3175872 A GB3175872 A GB 3175872A GB 1443695 A GB1443695 A GB 1443695A
Authority
GB
United Kingdom
Prior art keywords
instrument
obtaining
compass bearing
compass
bearing
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
GB3175872A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB3175872A priority Critical patent/GB1443695A/en
Publication of GB1443695A publication Critical patent/GB1443695A/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
    • G01C17/04—Magnetic compasses with north-seeking magnetic elements, e.g. needles
    • G01C17/10—Comparing observed direction with north indication
    • G01C17/12—Comparing observed direction with north indication by sighting means, e.g. for surveyors' compasses
    • 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
    • G01C17/04—Magnetic compasses with north-seeking magnetic elements, e.g. needles
    • G01C17/20—Observing the compass card or needle
    • G01C17/22—Observing the compass card or needle by projection

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
GB3175872A 1972-07-06 1972-07-06 Instrument for obtaining a compass bearing Expired GB1443695A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3175872A GB1443695A (en) 1972-07-06 1972-07-06 Instrument for obtaining a compass bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3175872A GB1443695A (en) 1972-07-06 1972-07-06 Instrument for obtaining a compass bearing

Publications (1)

Publication Number Publication Date
GB1443695A true GB1443695A (en) 1976-07-21

Family

ID=10327968

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3175872A Expired GB1443695A (en) 1972-07-06 1972-07-06 Instrument for obtaining a compass bearing

Country Status (1)

Country Link
GB (1) GB1443695A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3435504A1 (en) * 1984-09-27 1986-04-03 D. Swarovski & Co., Wattens, Tirol Compass
EP0462945A1 (en) * 1990-06-18 1991-12-27 A.C.M.E. Progetti Di Faggi Valerio Device for the spatial detection of objects or shapes, in particular for agronomical researches

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3435504A1 (en) * 1984-09-27 1986-04-03 D. Swarovski & Co., Wattens, Tirol Compass
EP0462945A1 (en) * 1990-06-18 1991-12-27 A.C.M.E. Progetti Di Faggi Valerio Device for the spatial detection of objects or shapes, in particular for agronomical researches

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee