JPS4883891A - - Google Patents

Info

Publication number
JPS4883891A
JPS4883891A JP48008492A JP849273A JPS4883891A JP S4883891 A JPS4883891 A JP S4883891A JP 48008492 A JP48008492 A JP 48008492A JP 849273 A JP849273 A JP 849273A JP S4883891 A JPS4883891 A JP S4883891A
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
JP48008492A
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
Priority claimed from FR7202096A external-priority patent/FR2168238A1/fr
Priority claimed from FR7202095A external-priority patent/FR2168713A5/fr
Application filed filed Critical
Publication of JPS4883891A publication Critical patent/JPS4883891A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/156—Arrangements in which a continuous pulse train is transformed into a train having a desired pattern
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
    • G01V5/04—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
    • G01V5/04—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging
    • G01V5/08—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays
    • G01V5/10—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays using neutron sources
    • G01V5/101—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays using neutron sources and detecting the secondary Y-rays produced in the surrounding layers of the bore hole
    • G01V5/102—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays using neutron sources and detecting the secondary Y-rays produced in the surrounding layers of the bore hole the neutron source being of the pulsed type

Landscapes

  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Nonlinear Science (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Measurement Of Radiation (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
JP48008492A 1972-01-21 1973-01-19 Pending JPS4883891A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7202096A FR2168238A1 (en) 1972-01-21 1972-01-21 Remote ambient analysis system - esp for borehole survey
FR7202095A FR2168713A5 (ja) 1972-01-21 1972-01-21

Publications (1)

Publication Number Publication Date
JPS4883891A true JPS4883891A (ja) 1973-11-08

Family

ID=26216854

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48008492A Pending JPS4883891A (ja) 1972-01-21 1973-01-19

Country Status (5)

Country Link
JP (1) JPS4883891A (ja)
CA (1) CA999676A (ja)
GB (1) GB1377931A (ja)
IT (1) IT991537B (ja)
OA (1) OA04312A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63205572A (ja) * 1987-02-20 1988-08-25 Fujitsu Ltd 電圧測定誤差防止回路

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK158168C (da) * 1985-06-19 1990-09-17 Risoe Forsoegsanlaeg Kobling til behandling af signaler fra en nuklear detektor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63205572A (ja) * 1987-02-20 1988-08-25 Fujitsu Ltd 電圧測定誤差防止回路

Also Published As

Publication number Publication date
OA04312A (fr) 1980-01-15
GB1377931A (en) 1974-12-18
DE2302017A1 (de) 1973-07-26
DE2302017B2 (de) 1975-06-26
IT991537B (it) 1975-08-30
CA999676A (en) 1976-11-09

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