GB222369A - Improvements relating to arrangements for indicating the presence of conducting bodies - Google Patents

Improvements relating to arrangements for indicating the presence of conducting bodies

Info

Publication number
GB222369A
GB222369A GB2222/24A GB222224A GB222369A GB 222369 A GB222369 A GB 222369A GB 2222/24 A GB2222/24 A GB 2222/24A GB 222224 A GB222224 A GB 222224A GB 222369 A GB222369 A GB 222369A
Authority
GB
United Kingdom
Prior art keywords
coil
earthed
windings
capacitively
inductance
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
GB2222/24A
Other languages
English (en)
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
Application filed by Individual filed Critical Individual
Publication of GB222369A publication Critical patent/GB222369A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
    • G01V3/101—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Electromagnetism (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Geophysics And Detection Of Objects (AREA)
GB2222/24A 1923-04-28 1924-01-28 Improvements relating to arrangements for indicating the presence of conducting bodies Expired GB222369A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DER58372D DE398267C (de) 1923-04-28 1923-04-28 Einrichtung zum Nachweis von leitenden Koerpern

Publications (1)

Publication Number Publication Date
GB222369A true GB222369A (en) 1924-10-02

Family

ID=7410783

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2222/24A Expired GB222369A (en) 1923-04-28 1924-01-28 Improvements relating to arrangements for indicating the presence of conducting bodies

Country Status (3)

Country Link
DE (1) DE398267C (de)
FR (1) FR576862A (de)
GB (1) GB222369A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3199096A (en) * 1960-09-14 1965-08-03 Specialties Dev Corp Capacity alarm system
US3205352A (en) * 1961-08-04 1965-09-07 Gen Precision Inc Presence detector

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3012189A (en) * 1945-06-05 1961-12-05 Electro Mechanical Res Inc Capacitive detector
GB9417763D0 (en) * 1994-08-31 1994-10-19 Univ Edinburgh Debris monitoring transducer
DE102011017761A1 (de) * 2011-04-29 2012-10-31 Robert Bosch Gmbh Verfahren und Vorrichtung zur Leitungsdetektion

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3199096A (en) * 1960-09-14 1965-08-03 Specialties Dev Corp Capacity alarm system
US3205352A (en) * 1961-08-04 1965-09-07 Gen Precision Inc Presence detector

Also Published As

Publication number Publication date
DE398267C (de) 1924-07-05
FR576862A (fr) 1924-08-27

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