GB921562A - Directional gyroscopes - Google Patents

Directional gyroscopes

Info

Publication number
GB921562A
GB921562A GB15372/61A GB1537261A GB921562A GB 921562 A GB921562 A GB 921562A GB 15372/61 A GB15372/61 A GB 15372/61A GB 1537261 A GB1537261 A GB 1537261A GB 921562 A GB921562 A GB 921562A
Authority
GB
United Kingdom
Prior art keywords
gravity
xxxvi
proprietary
loops
gold
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
GB15372/61A
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.)
Rio Tinto Management Services South Africa Pty Ltd
Original Assignee
Rio Tinto Management Services South Africa Pty 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 Rio Tinto Management Services South Africa Pty Ltd filed Critical Rio Tinto Management Services South Africa Pty Ltd
Publication of GB921562A publication Critical patent/GB921562A/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
    • 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

Abstract

921,562. Gravity switches. RIO TINTO MANAGEMENT SERVICES SOUTH AFRICA (PROPRIETARY) Ltd. May 1, 1961 [May 3, 1960], No. 15732/61. Class (5)38. [Also in Groups XX and XXXVI] A directional gyroscope in a borehole surveying instrument has its rotor axis 132 maintained horizontal by means of a torque motor 211 controlled by a gravity switch in the form of a wire bail 30 suspended from loops 51 and co-operating with contacts 31, 32, the members 30, 31, 32, 51 being made of, or coated with, gold, silver or other good contact material.
GB15372/61A 1960-05-03 1961-05-01 Directional gyroscopes Expired GB921562A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA601791 1960-05-03

Publications (1)

Publication Number Publication Date
GB921562A true GB921562A (en) 1963-03-20

Family

ID=25560510

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15372/61A Expired GB921562A (en) 1960-05-03 1961-05-01 Directional gyroscopes

Country Status (1)

Country Link
GB (1) GB921562A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2126721A (en) * 1982-09-11 1984-03-28 Sperry Sun Inc Borehole surveying
GB2130721A (en) * 1982-11-22 1984-06-06 Litton Systems Inc Measurement of pipeline deflection

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2126721A (en) * 1982-09-11 1984-03-28 Sperry Sun Inc Borehole surveying
GB2130721A (en) * 1982-11-22 1984-06-06 Litton Systems Inc Measurement of pipeline deflection

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