GB2154006B - Depth sensor - Google Patents

Depth sensor

Info

Publication number
GB2154006B
GB2154006B GB08502581A GB8502581A GB2154006B GB 2154006 B GB2154006 B GB 2154006B GB 08502581 A GB08502581 A GB 08502581A GB 8502581 A GB8502581 A GB 8502581A GB 2154006 B GB2154006 B GB 2154006B
Authority
GB
United Kingdom
Prior art keywords
depth sensor
depth
sensor
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
GB08502581A
Other versions
GB8502581D0 (en
GB2154006A (en
Inventor
John Robert Butler
Carl Robert Gloess
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.)
British Telecommunications PLC
Original Assignee
British Telecommunications PLC
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 British Telecommunications PLC filed Critical British Telecommunications PLC
Publication of GB8502581D0 publication Critical patent/GB8502581D0/en
Publication of GB2154006A publication Critical patent/GB2154006A/en
Application granted granted Critical
Publication of GB2154006B publication Critical patent/GB2154006B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/02—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with propagation of electric current
    • G01V3/06—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with propagation of electric current using ac
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/15—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for use during transport, e.g. by a person, vehicle or boat

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
GB08502581A 1984-02-03 1985-02-01 Depth sensor Expired GB2154006B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8402934 1984-02-03

Publications (3)

Publication Number Publication Date
GB8502581D0 GB8502581D0 (en) 1985-03-06
GB2154006A GB2154006A (en) 1985-08-29
GB2154006B true GB2154006B (en) 1987-02-11

Family

ID=10556054

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08502581A Expired GB2154006B (en) 1984-02-03 1985-02-01 Depth sensor

Country Status (1)

Country Link
GB (1) GB2154006B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69415303T2 (en) * 1993-02-17 1999-06-02 Howell LOCALIZATION OF LAYED CABLES

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB528568A (en) * 1938-02-26 1940-11-01 British Western Union Ltd Improvements in or relating to electromagnetic apparatus for determining location of concealed bodies

Also Published As

Publication number Publication date
GB8502581D0 (en) 1985-03-06
GB2154006A (en) 1985-08-29

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20010201