JPS4215324B1 - - Google Patents

Info

Publication number
JPS4215324B1
JPS4215324B1 JP5441264A JP5441264A JPS4215324B1 JP S4215324 B1 JPS4215324 B1 JP S4215324B1 JP 5441264 A JP5441264 A JP 5441264A JP 5441264 A JP5441264 A JP 5441264A JP S4215324 B1 JPS4215324 B1 JP S4215324B1
Authority
JP
Japan
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.)
Pending
Application number
JP5441264A
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 filed Critical
Publication of JPS4215324B1 publication Critical patent/JPS4215324B1/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • H01H36/008—Change of magnetic field wherein the magnet and switch are fixed, e.g. by shielding or relative movements of armature
    • 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

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)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
JP5441264A 1963-09-25 1964-09-25 Pending JPS4215324B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US31158163A 1963-09-25 1963-09-25

Publications (1)

Publication Number Publication Date
JPS4215324B1 true JPS4215324B1 (ja) 1967-08-25

Family

ID=23207539

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5441264A Pending JPS4215324B1 (ja) 1963-09-25 1964-09-25

Country Status (3)

Country Link
JP (1) JPS4215324B1 (ja)
DE (1) DE1448357A1 (ja)
GB (1) GB1016980A (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2319138A1 (fr) * 1975-07-23 1977-02-18 Compain Batissou Jean Dispositif de detection d'objets en mouvement par utilisation des perturbations du champ magnetique terrestre
GB2085587B (en) * 1980-10-13 1985-03-27 Landstrom Sven A device for locating a submerged submarine

Also Published As

Publication number Publication date
GB1016980A (en) 1966-01-12
DE1448357A1 (de) 1968-12-12

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