GB2165648B - Electro-magnetic measuring probe - Google Patents

Electro-magnetic measuring probe

Info

Publication number
GB2165648B
GB2165648B GB08425662A GB8425662A GB2165648B GB 2165648 B GB2165648 B GB 2165648B GB 08425662 A GB08425662 A GB 08425662A GB 8425662 A GB8425662 A GB 8425662A GB 2165648 B GB2165648 B GB 2165648B
Authority
GB
United Kingdom
Prior art keywords
electro
measuring probe
magnetic measuring
magnetic
probe
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
GB08425662A
Other versions
GB8425662D0 (en
GB2165648A (en
Inventor
Helmut Fischer
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.)
Fischer & Co Inst fur Ele GmbH
Original Assignee
Fischer & Co Inst fur Ele GmbH
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 Fischer & Co Inst fur Ele GmbH filed Critical Fischer & Co Inst fur Ele GmbH
Priority to GB08425662A priority Critical patent/GB2165648B/en
Publication of GB8425662D0 publication Critical patent/GB8425662D0/en
Publication of GB2165648A publication Critical patent/GB2165648A/en
Application granted granted Critical
Publication of GB2165648B publication Critical patent/GB2165648B/en
Priority to HK1589A priority patent/HK1589A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01B7/105—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 for measuring thickness of coating
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
    • G01D5/204—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils
    • G01D5/2046—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils by a movable ferromagnetic element, e.g. a core

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
GB08425662A 1984-10-11 1984-10-11 Electro-magnetic measuring probe Expired GB2165648B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB08425662A GB2165648B (en) 1984-10-11 1984-10-11 Electro-magnetic measuring probe
HK1589A HK1589A (en) 1984-10-11 1989-01-05 Electro-magnetic measuring probe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08425662A GB2165648B (en) 1984-10-11 1984-10-11 Electro-magnetic measuring probe

Publications (3)

Publication Number Publication Date
GB8425662D0 GB8425662D0 (en) 1984-11-14
GB2165648A GB2165648A (en) 1986-04-16
GB2165648B true GB2165648B (en) 1988-06-15

Family

ID=10568010

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08425662A Expired GB2165648B (en) 1984-10-11 1984-10-11 Electro-magnetic measuring probe

Country Status (2)

Country Link
GB (1) GB2165648B (en)
HK (1) HK1589A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2678061A1 (en) * 1991-06-25 1992-12-24 Fischer Gmbh Co Inst Elektro Method and device for measuring thin films (layers)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB760788A (en) * 1952-05-02 1956-11-07 East Lancashire Chemical Compa Improvements in or relating to electrical measuring instruments

Also Published As

Publication number Publication date
HK1589A (en) 1989-01-13
GB8425662D0 (en) 1984-11-14
GB2165648A (en) 1986-04-16

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20041010