GB1302448A - - Google Patents

Info

Publication number
GB1302448A
GB1302448A GB1302448DA GB1302448A GB 1302448 A GB1302448 A GB 1302448A GB 1302448D A GB1302448D A GB 1302448DA GB 1302448 A GB1302448 A GB 1302448A
Authority
GB
United Kingdom
Prior art keywords
carrier
magnet
magnetic
housing
compass
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
Other languages
English (en)
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 filed Critical
Publication of GB1302448A publication Critical patent/GB1302448A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Adornments (AREA)
GB1302448D 1970-06-02 1970-06-02 Expired GB1302448A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2649570 1970-06-02

Publications (1)

Publication Number Publication Date
GB1302448A true GB1302448A (enExample) 1973-01-10

Family

ID=10244555

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1302448D Expired GB1302448A (enExample) 1970-06-02 1970-06-02

Country Status (1)

Country Link
GB (1) GB1302448A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4110914A (en) * 1975-12-22 1978-09-05 Normark Corporation Hand compasses
GB2186694A (en) * 1986-02-13 1987-08-19 Brookes & Gatehouse Direction sensing device
CN111457910A (zh) * 2020-05-20 2020-07-28 河南省交通规划设计研究院股份有限公司 电子智能式地质罗盘及采用该罗盘测量岩体产状的方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4110914A (en) * 1975-12-22 1978-09-05 Normark Corporation Hand compasses
GB2186694A (en) * 1986-02-13 1987-08-19 Brookes & Gatehouse Direction sensing device
US4791730A (en) * 1986-02-13 1988-12-20 Brookes & Gatehouse Direction sensing device
GB2186694B (en) * 1986-02-13 1991-07-24 Brookes & Gatehouse Direction sensing device
CN111457910A (zh) * 2020-05-20 2020-07-28 河南省交通规划设计研究院股份有限公司 电子智能式地质罗盘及采用该罗盘测量岩体产状的方法

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed