FR2263637B1 - - Google Patents

Info

Publication number
FR2263637B1
FR2263637B1 FR7506768A FR7506768A FR2263637B1 FR 2263637 B1 FR2263637 B1 FR 2263637B1 FR 7506768 A FR7506768 A FR 7506768A FR 7506768 A FR7506768 A FR 7506768A FR 2263637 B1 FR2263637 B1 FR 2263637B1
Authority
FR
France
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
FR7506768A
Other versions
FR2263637A1 (fr
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.)
Nortel Networks Ltd
Original Assignee
Northern Electric Co 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 Northern Electric Co Ltd filed Critical Northern Electric Co Ltd
Publication of FR2263637A1 publication Critical patent/FR2263637A1/fr
Application granted granted Critical
Publication of FR2263637B1 publication Critical patent/FR2263637B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H5/00—One-port networks comprising only passive electrical elements as network components
    • H03H5/02—One-port networks comprising only passive electrical elements as network components without voltage- or current-dependent elements
    • 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

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)
  • Coils Or Transformers For Communication (AREA)
  • Filters And Equalizers (AREA)
  • Geophysics And Detection Of Objects (AREA)
FR7506768A 1974-03-04 1975-03-04 Expired FR2263637B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA193,988A CA988136A (en) 1974-03-04 1974-03-04 Electromagnetically resonant device

Publications (2)

Publication Number Publication Date
FR2263637A1 FR2263637A1 (fr) 1975-10-03
FR2263637B1 true FR2263637B1 (fr) 1978-12-08

Family

ID=4099373

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7506768A Expired FR2263637B1 (fr) 1974-03-04 1975-03-04

Country Status (12)

Country Link
JP (1) JPS5532248B2 (fr)
BE (1) BE826282A (fr)
CA (1) CA988136A (fr)
DE (1) DE2509393A1 (fr)
DK (1) DK84875A (fr)
ES (1) ES435287A1 (fr)
FR (1) FR2263637B1 (fr)
GB (1) GB1467124A (fr)
IT (1) IT1033411B (fr)
NL (1) NL7502525A (fr)
NO (1) NO750723L (fr)
SE (1) SE395548B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4728169A (en) * 1981-04-27 1988-03-01 Raychem Corp. Methods and apparatus for optical fiber systems
AU2013399119B2 (en) 2013-08-29 2017-05-04 Halliburton Energy Services, Inc. Systems and methods for casing detection using resonant structures

Also Published As

Publication number Publication date
BE826282A (fr) 1975-06-30
JPS5532248B2 (fr) 1980-08-23
FR2263637A1 (fr) 1975-10-03
JPS50135961A (fr) 1975-10-28
NO750723L (fr) 1975-09-05
DE2509393A1 (de) 1975-09-11
SE7502413L (fr) 1975-09-05
CA988136A (en) 1976-04-27
NL7502525A (nl) 1975-09-08
ES435287A1 (es) 1976-12-01
SE395548B (sv) 1977-08-15
DK84875A (fr) 1975-09-05
GB1467124A (en) 1977-03-16
IT1033411B (it) 1979-07-10

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse