FR2455286A1 - Perfectionnements aux dispositifs de mesure des parametres susceptibles de modifier la charge d'un electret - Google Patents

Perfectionnements aux dispositifs de mesure des parametres susceptibles de modifier la charge d'un electret

Info

Publication number
FR2455286A1
FR2455286A1 FR7910225A FR7910225A FR2455286A1 FR 2455286 A1 FR2455286 A1 FR 2455286A1 FR 7910225 A FR7910225 A FR 7910225A FR 7910225 A FR7910225 A FR 7910225A FR 2455286 A1 FR2455286 A1 FR 2455286A1
Authority
FR
France
Prior art keywords
electret
measurement
linked
modifying
charges
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.)
Granted
Application number
FR7910225A
Other languages
English (en)
Other versions
FR2455286B1 (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.)
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
Priority to FR7910225A priority Critical patent/FR2455286A1/fr
Priority to EP80400532A priority patent/EP0018293B1/fr
Priority to DE8080400532T priority patent/DE3070375D1/de
Priority to AT80400532T priority patent/ATE12429T1/de
Priority to CA000350260A priority patent/CA1145397A/fr
Priority to US06/142,737 priority patent/US4355235A/en
Priority to JP5302180A priority patent/JPS55144559A/ja
Publication of FR2455286A1 publication Critical patent/FR2455286A1/fr
Application granted granted Critical
Publication of FR2455286B1 publication Critical patent/FR2455286B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/02—Dosimeters
    • G01T1/14—Electrostatic dosimeters
    • G01T1/142—Charging devices; Read-out devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/02—Dosimeters
    • G01T1/14—Electrostatic dosimeters

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

IL S'AGIT DE MESURER UN PARAMETRE SUSCEPTIBLE DE MODIFIER LA CHARGE D'UN ELECTRET 1 DISPOSE ENTRE DEUX ELECTRODES 2 ET 3 MAINTENUES ECARTEES PAR UNE PIECE 4 ET RELIEES A UN CIRCUIT DE MESURE 6. ON PREVOIT UN VOLET CONDUCTEUR 8 SUSCEPTIBLE D'ETRE DEPLACE PARALLELEMENT A LUI-MEME ET A L'ELECTRET ENTRE CET ELECTRET ET L'ELECTRODE 3, DE FACON, ALTERNATIVEMENT, A MASQUER CET ELECTRET VIS-A-VIS DE CETTE ELECTRODE ET A RENDRE CET ELECTRET APPARENT A L'ELECTRODE, ET LA MESURE EXPLOITE DES LECTURES DE CHARGES EFFECTUEES APRES DES VA-ET-VIENT DU VOLET. APPLICATION PREFEREE: MESURE DES IRRADIATIONS IONISANTES.
FR7910225A 1979-04-23 1979-04-23 Perfectionnements aux dispositifs de mesure des parametres susceptibles de modifier la charge d'un electret Granted FR2455286A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR7910225A FR2455286A1 (fr) 1979-04-23 1979-04-23 Perfectionnements aux dispositifs de mesure des parametres susceptibles de modifier la charge d'un electret
EP80400532A EP0018293B1 (fr) 1979-04-23 1980-04-18 Perfectionnements aux dispositifs de mesure des paramètres susceptibles de modifier la charge d'un électret
DE8080400532T DE3070375D1 (en) 1979-04-23 1980-04-18 Parameter measuring devices capable of modifying the charge of an electret
AT80400532T ATE12429T1 (de) 1979-04-23 1980-04-18 Vorrichtungen zur messung von physikalischen groessen, die den ladungszustand eines elektreten veraendern koennen.
CA000350260A CA1145397A (fr) 1979-04-23 1980-04-21 Instrument de mesure des parametres susceptibles de modifier la charge d'un electret
US06/142,737 US4355235A (en) 1979-04-23 1980-04-22 Devices for measuring parameters which can modify the charge of an electret
JP5302180A JPS55144559A (en) 1979-04-23 1980-04-23 Device for measuring parameters capable of changing electlet charge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7910225A FR2455286A1 (fr) 1979-04-23 1979-04-23 Perfectionnements aux dispositifs de mesure des parametres susceptibles de modifier la charge d'un electret

Publications (2)

Publication Number Publication Date
FR2455286A1 true FR2455286A1 (fr) 1980-11-21
FR2455286B1 FR2455286B1 (fr) 1982-09-24

Family

ID=9224609

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7910225A Granted FR2455286A1 (fr) 1979-04-23 1979-04-23 Perfectionnements aux dispositifs de mesure des parametres susceptibles de modifier la charge d'un electret

Country Status (2)

Country Link
JP (1) JPS55144559A (fr)
FR (1) FR2455286A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005283212A (ja) * 2004-03-29 2005-10-13 Shimadzu Corp 浮遊粒子状物質の捕集装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3652932A (en) * 1970-07-30 1972-03-28 Bell Telephone Labor Inc Method and apparatus for measurement of surface charge of an electret
FR2389896A1 (fr) * 1977-05-05 1978-12-01 Dreyfus Gerard

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3652932A (en) * 1970-07-30 1972-03-28 Bell Telephone Labor Inc Method and apparatus for measurement of surface charge of an electret
FR2389896A1 (fr) * 1977-05-05 1978-12-01 Dreyfus Gerard

Also Published As

Publication number Publication date
JPS55144559A (en) 1980-11-11
FR2455286B1 (fr) 1982-09-24

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Legal Events

Date Code Title Description
CL Concession to grant licences
ST Notification of lapse