GB2186978B - High resolution magnetometer - Google Patents

High resolution magnetometer

Info

Publication number
GB2186978B
GB2186978B GB8624205A GB8624205A GB2186978B GB 2186978 B GB2186978 B GB 2186978B GB 8624205 A GB8624205 A GB 8624205A GB 8624205 A GB8624205 A GB 8624205A GB 2186978 B GB2186978 B GB 2186978B
Authority
GB
United Kingdom
Prior art keywords
high resolution
magnetometer
resolution magnetometer
resolution
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 - Lifetime
Application number
GB8624205A
Other versions
GB2186978A (en
GB8624205D0 (en
Inventor
Dennis Amerena Parker
Richard Vincent Parker
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.)
Individual
Original Assignee
Individual
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
Priority claimed from GB858524945A external-priority patent/GB8524945D0/en
Application filed by Individual filed Critical Individual
Publication of GB8624205D0 publication Critical patent/GB8624205D0/en
Priority claimed from PCT/GB1987/000594 external-priority patent/WO1989002083A1/en
Publication of GB2186978A publication Critical patent/GB2186978A/en
Application granted granted Critical
Publication of GB2186978B publication Critical patent/GB2186978B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/06—Investigating concentration of particle suspensions
    • G01N15/0656—Investigating concentration of particle suspensions using electric, e.g. electrostatic methods or magnetic methods
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Dispersion Chemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
GB8624205A 1985-10-10 1986-10-09 High resolution magnetometer Expired - Lifetime GB2186978B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB858524945A GB8524945D0 (en) 1985-10-10 1985-10-10 High resolution magnetometer
GB868613001A GB8613001D0 (en) 1985-10-10 1986-05-29 Magnetometer
PCT/GB1987/000594 WO1989002083A1 (en) 1987-08-24 1987-08-24 A high resolution magnetometer

Publications (3)

Publication Number Publication Date
GB8624205D0 GB8624205D0 (en) 1986-11-12
GB2186978A GB2186978A (en) 1987-08-26
GB2186978B true GB2186978B (en) 1990-06-13

Family

ID=27262814

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8624205A Expired - Lifetime GB2186978B (en) 1985-10-10 1986-10-09 High resolution magnetometer

Country Status (1)

Country Link
GB (1) GB2186978B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989002083A1 (en) * 1987-08-24 1989-03-09 Dennis Amerena Parker A high resolution magnetometer
GB2231964A (en) * 1989-05-27 1990-11-28 Atomic Energy Authority Uk Inductive displacement monitoring
GB9007857D0 (en) * 1990-04-06 1990-06-06 Parker Dennis A Improvement to a.c.magnetometers
US5262732A (en) * 1991-12-11 1993-11-16 Computational Systems, Inc. Oil monitor with magnetic field
US6437563B1 (en) * 1997-11-21 2002-08-20 Quantum Design, Inc. Method and apparatus for making measurements of accumulations of magnetically susceptible particles combined with analytes
FI121248B (en) * 2006-04-21 2010-08-31 Magnasense Technologies Oy Device for measuring magnetic particles and the corresponding method

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB283256A (en) * 1926-10-01 1928-01-02 Thomas Frederick Wall Electro-magnetic testing of steel wire ropes
GB875567A (en) * 1958-08-26 1961-08-23 Mec Test Ltd Improvements in electromagnetic probes
GB1090900A (en) * 1966-08-31 1967-11-15 Rolls Royce Improvements in or relating to magnetic scavenging devices
GB1096531A (en) * 1964-01-15 1967-12-29 Silec Liaisons Elec Apparatus for detecting metallic masses
GB1231161A (en) * 1968-02-26 1971-05-12
US3940688A (en) * 1974-09-30 1976-02-24 Commissariat A L'energie Atomique Device for testing the magnetic properties of a magnetic material
GB2037994A (en) * 1978-10-13 1980-07-16 Technical Dev Co Monitoring the quantity of ferrous particulate debris in a fluid system
GB2160655A (en) * 1984-04-09 1985-12-24 David Brian Jones Method and apparatus for assessing particle deposits
GB2165650A (en) * 1984-04-09 1986-04-16 Dennis Amerena Parker Method and apparatus for the quantative and qualitative measurement of small metal particles

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB283256A (en) * 1926-10-01 1928-01-02 Thomas Frederick Wall Electro-magnetic testing of steel wire ropes
GB875567A (en) * 1958-08-26 1961-08-23 Mec Test Ltd Improvements in electromagnetic probes
GB1096531A (en) * 1964-01-15 1967-12-29 Silec Liaisons Elec Apparatus for detecting metallic masses
GB1090900A (en) * 1966-08-31 1967-11-15 Rolls Royce Improvements in or relating to magnetic scavenging devices
GB1231161A (en) * 1968-02-26 1971-05-12
US3940688A (en) * 1974-09-30 1976-02-24 Commissariat A L'energie Atomique Device for testing the magnetic properties of a magnetic material
GB2037994A (en) * 1978-10-13 1980-07-16 Technical Dev Co Monitoring the quantity of ferrous particulate debris in a fluid system
GB2160655A (en) * 1984-04-09 1985-12-24 David Brian Jones Method and apparatus for assessing particle deposits
GB2165650A (en) * 1984-04-09 1986-04-16 Dennis Amerena Parker Method and apparatus for the quantative and qualitative measurement of small metal particles

Also Published As

Publication number Publication date
GB2186978A (en) 1987-08-26
GB8624205D0 (en) 1986-11-12

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Legal Events

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

Effective date: 20041009