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GB2283823B - Measurement of alternating magnetic fields - Google Patents

Measurement of alternating magnetic fields

Info

Publication number
GB2283823B
GB2283823B GB9323215A GB9323215A GB2283823B GB 2283823 B GB2283823 B GB 2283823B GB 9323215 A GB9323215 A GB 9323215A GB 9323215 A GB9323215 A GB 9323215A GB 2283823 B GB2283823 B GB 2283823B
Authority
GB
United Kingdom
Prior art keywords
measurement
magnetic fields
alternating magnetic
alternating
fields
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 - Fee Related
Application number
GB9323215A
Other versions
GB2283823A (en
GB9323215D0 (en
Inventor
Paul David Frederick Austin
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.)
Ultra Electronics Ltd
Original Assignee
Ultra Electronics 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 Ultra Electronics Ltd filed Critical Ultra Electronics Ltd
Priority to GB9323215A priority Critical patent/GB2283823B/en
Publication of GB9323215D0 publication Critical patent/GB9323215D0/en
Publication of GB2283823A publication Critical patent/GB2283823A/en
Application granted granted Critical
Publication of GB2283823B publication Critical patent/GB2283823B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G01R33/0206—Three-component magnetometers

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Magnetic Variables (AREA)
GB9323215A 1993-11-10 1993-11-10 Measurement of alternating magnetic fields Expired - Fee Related GB2283823B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9323215A GB2283823B (en) 1993-11-10 1993-11-10 Measurement of alternating magnetic fields

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9323215A GB2283823B (en) 1993-11-10 1993-11-10 Measurement of alternating magnetic fields

Publications (3)

Publication Number Publication Date
GB9323215D0 GB9323215D0 (en) 1994-01-05
GB2283823A GB2283823A (en) 1995-05-17
GB2283823B true GB2283823B (en) 1997-04-02

Family

ID=10744970

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9323215A Expired - Fee Related GB2283823B (en) 1993-11-10 1993-11-10 Measurement of alternating magnetic fields

Country Status (1)

Country Link
GB (1) GB2283823B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012172435A2 (en) * 2011-05-13 2012-12-20 Rampart Detection Systems Ltd. Transverse electromagnetic gradiometer

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1202534A (en) * 1966-11-19 1970-08-19 Elliott Brothers London Ltd Improvements relating to magnetically sensitive arrangements
SU789944A1 (en) * 1979-02-19 1980-12-23 Научно-Производственное Объединение "Геофизика" Мингео Ссср Apparatus for measuring magnetic induction vector modulus
US4495467A (en) * 1980-07-30 1985-01-22 Nippon Soken, Inc. Apparatus for simultaneous measurement of magnetic field components in mutually perpendicular directions
US4845434A (en) * 1988-01-22 1989-07-04 Vector Magnetics Magnetometer circuitry for use in bore hole detection of AC magnetic fields
EP0481211A2 (en) * 1990-10-09 1992-04-22 International Business Machines Corporation Gradiometer having a magnetometer which cancels background magnetic field from other magnetometers
US5126669A (en) * 1990-11-27 1992-06-30 The United States Of America As Represented By The Administrator, Of The National Aeronautics And Space Administration Precision measurement of magnetic characteristics of an article with nullification of external magnetic fields

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1202534A (en) * 1966-11-19 1970-08-19 Elliott Brothers London Ltd Improvements relating to magnetically sensitive arrangements
SU789944A1 (en) * 1979-02-19 1980-12-23 Научно-Производственное Объединение "Геофизика" Мингео Ссср Apparatus for measuring magnetic induction vector modulus
US4495467A (en) * 1980-07-30 1985-01-22 Nippon Soken, Inc. Apparatus for simultaneous measurement of magnetic field components in mutually perpendicular directions
US4845434A (en) * 1988-01-22 1989-07-04 Vector Magnetics Magnetometer circuitry for use in bore hole detection of AC magnetic fields
EP0481211A2 (en) * 1990-10-09 1992-04-22 International Business Machines Corporation Gradiometer having a magnetometer which cancels background magnetic field from other magnetometers
US5126669A (en) * 1990-11-27 1992-06-30 The United States Of America As Represented By The Administrator, Of The National Aeronautics And Space Administration Precision measurement of magnetic characteristics of an article with nullification of external magnetic fields

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
WPI Abstract accession No. 81-K8636D/42 & SU789944 *

Also Published As

Publication number Publication date
GB2283823A (en) 1995-05-17
GB9323215D0 (en) 1994-01-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20051110