IT1155793B - SYSTEM AND PROCEDURE TO DETECT THE PROXIMITY OF AN ALTERNATIVE MAGNETIC FIELD - Google Patents

SYSTEM AND PROCEDURE TO DETECT THE PROXIMITY OF AN ALTERNATIVE MAGNETIC FIELD

Info

Publication number
IT1155793B
IT1155793B IT47801/78A IT4780178A IT1155793B IT 1155793 B IT1155793 B IT 1155793B IT 47801/78 A IT47801/78 A IT 47801/78A IT 4780178 A IT4780178 A IT 4780178A IT 1155793 B IT1155793 B IT 1155793B
Authority
IT
Italy
Prior art keywords
proximity
detect
procedure
magnetic field
alternative magnetic
Prior art date
Application number
IT47801/78A
Other languages
Italian (it)
Other versions
IT7847801A0 (en
Original Assignee
Sperry Rand Ltd
Sperry 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 Sperry Rand Ltd, Sperry Ltd filed Critical Sperry Rand Ltd
Publication of IT7847801A0 publication Critical patent/IT7847801A0/en
Application granted granted Critical
Publication of IT1155793B publication Critical patent/IT1155793B/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/028—Electrodynamic magnetometers

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measuring Magnetic Variables (AREA)
IT47801/78A 1977-02-01 1978-01-26 SYSTEM AND PROCEDURE TO DETECT THE PROXIMITY OF AN ALTERNATIVE MAGNETIC FIELD IT1155793B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3949/77A GB1605169A (en) 1977-02-01 1977-02-01 System and method of detecting the proximity of an alternating magnetic field

Publications (2)

Publication Number Publication Date
IT7847801A0 IT7847801A0 (en) 1978-01-26
IT1155793B true IT1155793B (en) 1987-01-28

Family

ID=9767924

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47801/78A IT1155793B (en) 1977-02-01 1978-01-26 SYSTEM AND PROCEDURE TO DETECT THE PROXIMITY OF AN ALTERNATIVE MAGNETIC FIELD

Country Status (7)

Country Link
BE (1) BE863526A (en)
DE (1) DE2804060A1 (en)
FR (1) FR2505054A1 (en)
GB (1) GB1605169A (en)
IT (1) IT1155793B (en)
NL (1) NL7800872A (en)
SE (1) SE425125B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0810250B2 (en) * 1991-05-13 1996-01-31 大同ほくさん株式会社 Magnetic noise eliminator using SQUID
GB2343956B (en) * 1998-09-18 2003-09-03 Safe Flight Instrument In-flight aid for detecting power lines

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2447849A (en) * 1944-12-26 1948-08-24 Shell Dev Magnetometer
US2730673A (en) * 1947-01-20 1956-01-10 Union Oil Co Magnetometer
FR1113995A (en) * 1954-11-08 1956-04-06 Cfcmug Automatic device for determining the intensity of a magnetic field
US2929019A (en) * 1955-12-14 1960-03-15 Electronic Associates Magnetic field detection
US3284703A (en) * 1963-01-14 1966-11-08 Canadair Ltd Hall effect device utilized to compensate for variable induced fields in other sensors
US3389333A (en) * 1964-02-10 1968-06-18 Sperry Rand Corp Control system for maintaining a desired magnetic field in a given space
FR1517682A (en) * 1965-08-16 1968-03-22 Centre Nat Rech Scient Method of slaving a magnetic field to zero value and measuring the field thus compensated in intensity, direction and direction and corresponding apparatus
US3678593A (en) * 1968-12-26 1972-07-25 Sperry Rand Corp Compass system and components therefor having automatic field cancellation

Also Published As

Publication number Publication date
FR2505054A1 (en) 1982-11-05
NL7800872A (en) 1982-07-01
IT7847801A0 (en) 1978-01-26
GB1605169A (en) 1982-09-08
DE2804060A1 (en) 1982-12-02
BE863526A (en) 1983-07-15
SE425125B (en) 1982-08-30

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