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 electretInfo
- 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
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.
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 |
AT80400532T ATE12429T1 (de) | 1979-04-23 | 1980-04-18 | Vorrichtungen zur messung von physikalischen groessen, die den ladungszustand eines elektreten veraendern koennen. |
DE8080400532T DE3070375D1 (en) | 1979-04-23 | 1980-04-18 | Parameter measuring devices capable of modifying the charge of an electret |
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)
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)
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 |
-
1979
- 1979-04-23 FR FR7910225A patent/FR2455286A1/fr active Granted
-
1980
- 1980-04-23 JP JP5302180A patent/JPS55144559A/ja active Pending
Patent Citations (2)
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 |