GB1312781A - Differential capacitor - Google Patents

Differential capacitor

Info

Publication number
GB1312781A
GB1312781A GB1312781DA GB1312781A GB 1312781 A GB1312781 A GB 1312781A GB 1312781D A GB1312781D A GB 1312781DA GB 1312781 A GB1312781 A GB 1312781A
Authority
GB
United Kingdom
Prior art keywords
pick
electrode
gap
displacement
differential capacitor
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
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.)
Norrie G O
Original Assignee
Norrie G O
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 Norrie G O filed Critical Norrie G O
Publication of GB1312781A publication Critical patent/GB1312781A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

1312781 Displacement transducers G O NORRIE 29 April 1970 [31 Jan 1969] 5348/69 Heading GiN A differential capacitor for measuring linear displacement comprises a screen movable between A.C.-energized electrodes 108, 109 and a pick-up electrode 115 to produce on the latter a voltage representative of the displacement. Electrodes 108, 109 are formed on the inside surface of a cylindrical housing 110, separated by a gap 113: pick-up electrode 115 constitutes a fixed coaxial cylinder: the moving member 15E is formed by two inter-connected conductive shells 117, 118 defining a gap 116 through which the capacitive coupling is effected.
GB1312781D 1969-01-31 1969-01-31 Differential capacitor Expired GB1312781A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB534869 1969-01-31

Publications (1)

Publication Number Publication Date
GB1312781A true GB1312781A (en) 1973-04-04

Family

ID=9794418

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1312781D Expired GB1312781A (en) 1969-01-31 1969-01-31 Differential capacitor

Country Status (1)

Country Link
GB (1) GB1312781A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104713466A (en) * 2015-03-17 2015-06-17 华侨大学 High-precision differential type multilayer annular capacitance micrometer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104713466A (en) * 2015-03-17 2015-06-17 华侨大学 High-precision differential type multilayer annular capacitance micrometer
CN104713466B (en) * 2015-03-17 2017-10-20 华侨大学 High-precision differential type multi-layer annular capacitance gage

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Legal Events

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