GB2148650B - Surveying - Google Patents

Surveying

Info

Publication number
GB2148650B
GB2148650B GB08423061A GB8423061A GB2148650B GB 2148650 B GB2148650 B GB 2148650B GB 08423061 A GB08423061 A GB 08423061A GB 8423061 A GB8423061 A GB 8423061A GB 2148650 B GB2148650 B GB 2148650B
Authority
GB
United Kingdom
Prior art keywords
surveying
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
GB08423061A
Other versions
GB8423061D0 (en
GB2148650A (en
Inventor
Barry James Gorham
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.)
National Research Development Corp UK
Original Assignee
National Research Development Corp UK
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 National Research Development Corp UK filed Critical National Research Development Corp UK
Publication of GB8423061D0 publication Critical patent/GB8423061D0/en
Publication of GB2148650A publication Critical patent/GB2148650A/en
Application granted granted Critical
Publication of GB2148650B publication Critical patent/GB2148650B/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
    • G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
    • G01C15/002—Active optical surveying means
    • G01C15/004—Reference lines, planes or sectors
GB08423061A 1983-09-13 1984-09-12 Surveying Expired GB2148650B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB838324515A GB8324515D0 (en) 1983-09-13 1983-09-13 Surveying apparatus

Publications (3)

Publication Number Publication Date
GB8423061D0 GB8423061D0 (en) 1984-10-17
GB2148650A GB2148650A (en) 1985-05-30
GB2148650B true GB2148650B (en) 1987-04-23

Family

ID=10548720

Family Applications (2)

Application Number Title Priority Date Filing Date
GB838324515A Pending GB8324515D0 (en) 1983-09-13 1983-09-13 Surveying apparatus
GB08423061A Expired GB2148650B (en) 1983-09-13 1984-09-12 Surveying

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB838324515A Pending GB8324515D0 (en) 1983-09-13 1983-09-13 Surveying apparatus

Country Status (1)

Country Link
GB (2) GB8324515D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8503812D0 (en) * 1985-02-14 1985-03-20 Laserfix Ltd Determining position
GB8800031D0 (en) * 1988-01-04 1988-02-10 Gorham B Surveying apparatus & method
CN110132248A (en) * 2018-02-09 2019-08-16 苏州宝时得电动工具有限公司 The portable quickly calibrated instrument of level

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1536547A (en) * 1976-08-10 1978-12-20 Ferranti Ltd Aircraft guidance systems

Also Published As

Publication number Publication date
GB8423061D0 (en) 1984-10-17
GB2148650A (en) 1985-05-30
GB8324515D0 (en) 1983-10-12

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Legal Events

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

Effective date: 20000912