PT89605A - Dispositivo para medir a impedancia de um meio ao longo de uma linha de medicao - Google Patents

Dispositivo para medir a impedancia de um meio ao longo de uma linha de medicao

Info

Publication number
PT89605A
PT89605A PT89605A PT8960589A PT89605A PT 89605 A PT89605 A PT 89605A PT 89605 A PT89605 A PT 89605A PT 8960589 A PT8960589 A PT 8960589A PT 89605 A PT89605 A PT 89605A
Authority
PT
Portugal
Prior art keywords
impedance
measuring
medium
medicine line
medicine
Prior art date
Application number
PT89605A
Other languages
English (en)
Other versions
PT89605B (pt
Inventor
Thomas Richard Fortescue
Charles Nicholas Murray
Original Assignee
Euratom
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 Euratom filed Critical Euratom
Publication of PT89605A publication Critical patent/PT89605A/pt
Publication of PT89605B publication Critical patent/PT89605B/pt

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
    • G01V3/18—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
    • G01V3/20—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with propagation of electric current
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Remote Sensing (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
PT89605A 1988-02-03 1989-02-02 Dispositivo para medir a impedancia de um meio ao longo de uma linha de medicao PT89605B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU87124A LU87124A1 (de) 1988-02-03 1988-02-03 Vorrichtung zur messung der impedanz eines mediums entlang einer messstrecke

Publications (2)

Publication Number Publication Date
PT89605A true PT89605A (pt) 1989-10-04
PT89605B PT89605B (pt) 1994-01-31

Family

ID=19731017

Family Applications (1)

Application Number Title Priority Date Filing Date
PT89605A PT89605B (pt) 1988-02-03 1989-02-02 Dispositivo para medir a impedancia de um meio ao longo de uma linha de medicao

Country Status (8)

Country Link
US (1) US4887040A (pt)
EP (1) EP0326992B1 (pt)
CA (1) CA1300226C (pt)
DE (1) DE68905933T2 (pt)
DK (1) DK42289A (pt)
ES (1) ES2039717T3 (pt)
LU (1) LU87124A1 (pt)
PT (1) PT89605B (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5604582A (en) * 1994-05-12 1997-02-18 Science Application International Corporation Methods and apparatus for taking spectroscopic measurements of sediment layers beneath a body of water
DE19651355B4 (de) * 1996-12-10 2004-03-18 Fresenius Medical Care Deutschland Gmbh Gasblasendetektor
US20080035163A1 (en) * 2006-08-10 2008-02-14 Shaahin Cheyene Magnetic Advanced Cigarette Filtration System

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US465393A (en) * 1891-12-15 Nicki
US3906353A (en) * 1973-10-09 1975-09-16 Westinghouse Electric Corp Oscillator circuit for providing a conductivity ratio of sea water
CA1017001A (en) * 1974-10-18 1977-09-06 Sed Systems Ltd. Fluid conductivity detecting means
CA1069976A (en) * 1975-12-29 1980-01-15 Raytheon Company Electrolytic measurement system
US4644263A (en) * 1984-12-13 1987-02-17 Marathon Oil Company Method and apparatus for measuring water in crude oil

Also Published As

Publication number Publication date
ES2039717T3 (es) 1993-10-01
DK42289A (da) 1989-08-04
EP0326992B1 (en) 1993-04-14
DE68905933D1 (de) 1993-05-19
PT89605B (pt) 1994-01-31
EP0326992A1 (en) 1989-08-09
LU87124A1 (de) 1989-09-20
DK42289D0 (da) 1989-01-31
DE68905933T2 (de) 1993-07-22
CA1300226C (en) 1992-05-05
US4887040A (en) 1989-12-12

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Legal Events

Date Code Title Description
FG3A Patent granted, date of granting

Effective date: 19930721

MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 19960131