GB2192064B - Balanced bridge sensing device - Google Patents

Balanced bridge sensing device

Info

Publication number
GB2192064B
GB2192064B GB8714154A GB8714154A GB2192064B GB 2192064 B GB2192064 B GB 2192064B GB 8714154 A GB8714154 A GB 8714154A GB 8714154 A GB8714154 A GB 8714154A GB 2192064 B GB2192064 B GB 2192064B
Authority
GB
United Kingdom
Prior art keywords
sensing device
balanced bridge
bridge sensing
balanced
sensing
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
GB8714154A
Other versions
GB2192064A (en
GB8714154D0 (en
Inventor
Michael John Nicholas
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.)
REAL WORLD SYSTEMS Ltd
Original Assignee
REAL WORLD SYSTEMS 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 REAL WORLD SYSTEMS Ltd filed Critical REAL WORLD SYSTEMS Ltd
Publication of GB8714154D0 publication Critical patent/GB8714154D0/en
Publication of GB2192064A publication Critical patent/GB2192064A/en
Application granted granted Critical
Publication of GB2192064B publication Critical patent/GB2192064B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
    • G01N27/9046—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents by analysing electrical signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
    • G01B7/10—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance

Landscapes

  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
GB8714154A 1986-06-17 1987-06-17 Balanced bridge sensing device Expired - Fee Related GB2192064B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868614746A GB8614746D0 (en) 1986-06-17 1986-06-17 Sensing device

Publications (3)

Publication Number Publication Date
GB8714154D0 GB8714154D0 (en) 1987-07-22
GB2192064A GB2192064A (en) 1987-12-31
GB2192064B true GB2192064B (en) 1990-10-31

Family

ID=10599605

Family Applications (2)

Application Number Title Priority Date Filing Date
GB868614746A Pending GB8614746D0 (en) 1986-06-17 1986-06-17 Sensing device
GB8714154A Expired - Fee Related GB2192064B (en) 1986-06-17 1987-06-17 Balanced bridge sensing device

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB868614746A Pending GB8614746D0 (en) 1986-06-17 1986-06-17 Sensing device

Country Status (1)

Country Link
GB (2) GB8614746D0 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2281779B (en) * 1993-09-14 1997-04-23 Rank Taylor Hobson Ltd Metrological instrument
GB2339287B (en) 1998-07-09 2002-12-24 Taylor Hobson Ltd Transducer circuit
EP1059542B1 (en) * 1999-05-29 2006-10-25 ERHARDT + LEIMER GmbH Method and means for detecting metal bodies on a moving web
DE102009022136A1 (en) 2009-05-20 2010-11-25 Prüftechnik Dieter Busch AG Apparatus and method for inductive measurements
DE102009022138A1 (en) 2009-05-20 2010-11-25 Prüftechnik Dieter Busch AG Apparatus and method for inductive measurements

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1058861A (en) * 1964-08-26 1967-02-15 Atomic Energy Commission A graphical nulling device for nondestructive eddy current testing equipment
US4006407A (en) * 1975-03-10 1977-02-01 Magnaflux Corporation Non-destructive testing systems having automatic balance and sample and hold operational modes
US4191922A (en) * 1978-03-14 1980-03-04 Republic Steel Corporation Electromagnetic flaw detection system and method incorporating improved automatic coil error signal compensation
GB2041535A (en) * 1978-12-28 1980-09-10 Toernbloms Kvalitetskontroll A measuring and/or testing device
GB2113835A (en) * 1981-12-02 1983-08-10 Asea Ab Sensor with optically excited resonant circuit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1058861A (en) * 1964-08-26 1967-02-15 Atomic Energy Commission A graphical nulling device for nondestructive eddy current testing equipment
US4006407A (en) * 1975-03-10 1977-02-01 Magnaflux Corporation Non-destructive testing systems having automatic balance and sample and hold operational modes
US4191922A (en) * 1978-03-14 1980-03-04 Republic Steel Corporation Electromagnetic flaw detection system and method incorporating improved automatic coil error signal compensation
GB2041535A (en) * 1978-12-28 1980-09-10 Toernbloms Kvalitetskontroll A measuring and/or testing device
GB2113835A (en) * 1981-12-02 1983-08-10 Asea Ab Sensor with optically excited resonant circuit

Also Published As

Publication number Publication date
GB2192064A (en) 1987-12-31
GB8714154D0 (en) 1987-07-22
GB8614746D0 (en) 1986-07-23

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Legal Events

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

Effective date: 19980617