GB1296070A - - Google Patents

Info

Publication number
GB1296070A
GB1296070A GB1296070DA GB1296070A GB 1296070 A GB1296070 A GB 1296070A GB 1296070D A GB1296070D A GB 1296070DA GB 1296070 A GB1296070 A GB 1296070A
Authority
GB
United Kingdom
Prior art keywords
photo
prism
cell
split
laser
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 GB1296070A publication Critical patent/GB1296070A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Length Measuring Devices By Optical Means (AREA)
GB1296070D 1969-01-13 1969-12-30 Expired GB1296070A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE37469A SE323223B (enrdf_load_stackoverflow) 1969-01-13 1969-01-13

Publications (1)

Publication Number Publication Date
GB1296070A true GB1296070A (enrdf_load_stackoverflow) 1972-11-15

Family

ID=20256467

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1296070D Expired GB1296070A (enrdf_load_stackoverflow) 1969-01-13 1969-12-30

Country Status (3)

Country Link
DE (1) DE2000828B2 (enrdf_load_stackoverflow)
GB (1) GB1296070A (enrdf_load_stackoverflow)
SE (1) SE323223B (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4035084A (en) * 1976-02-19 1977-07-12 Ramsay James D Automatic levelling method and apparatus for rotating laser beam transmitter

Also Published As

Publication number Publication date
DE2000828B2 (de) 1971-12-09
DE2000828A1 (de) 1970-07-16
SE323223B (enrdf_load_stackoverflow) 1970-04-27

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees