FR2111992B1 - - Google Patents
Info
- Publication number
- FR2111992B1 FR2111992B1 FR696937300A FR6937300A FR2111992B1 FR 2111992 B1 FR2111992 B1 FR 2111992B1 FR 696937300 A FR696937300 A FR 696937300A FR 6937300 A FR6937300 A FR 6937300A FR 2111992 B1 FR2111992 B1 FR 2111992B1
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J47/00—Tubes for determining the presence, intensity, density or energy of radiation or particles
- H01J47/10—Spark counters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
- A61B6/4208—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
- A61B6/4258—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector for detecting non x-ray radiation, e.g. gamma radiation
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE757683D BE757683R (fr) | 1969-10-30 | Procede de commande d'etincelles pour chambre a etincelles et dispositifs en faisant application | |
FR696937300A FR2111992B1 (fr) | 1969-10-30 | 1969-10-30 | |
GB49876/70A GB1286895A (en) | 1969-10-30 | 1970-10-21 | Radiation-detecting device |
CH1564370A CH537641A (fr) | 1966-09-22 | 1970-10-22 | Dispositif de commande d'étincelles pour chambre à étincelles |
US00083060A US3717766A (en) | 1969-10-30 | 1970-10-22 | Spark chamber radiation-detecting device |
JP45095819A JPS5012757B1 (fr) | 1969-10-30 | 1970-10-30 | |
DE19702053485 DE2053485A1 (de) | 1969-10-30 | 1970-10-30 | Funkenregelvornchtung fur Funken kammern |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR696937300A FR2111992B1 (fr) | 1969-10-30 | 1969-10-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2111992A1 FR2111992A1 (fr) | 1972-06-16 |
FR2111992B1 true FR2111992B1 (fr) | 1973-05-25 |
Family
ID=9042333
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR696937300A Expired FR2111992B1 (fr) | 1966-09-22 | 1969-10-30 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3717766A (fr) |
JP (1) | JPS5012757B1 (fr) |
BE (1) | BE757683R (fr) |
DE (1) | DE2053485A1 (fr) |
FR (1) | FR2111992B1 (fr) |
GB (1) | GB1286895A (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6013475B2 (ja) * | 1979-06-26 | 1985-04-08 | 名古屋大学長 | 複合スパ−クチエンバの動作高安定化方法 |
US4500786A (en) * | 1982-04-21 | 1985-02-19 | California Institute Of Technology | Large area spark chamber and support, and method of recording and analyzing the information on a radioactive work piece |
US4642465A (en) * | 1982-04-21 | 1987-02-10 | California Institute Of Technology | Avalanche counter and encoder system for counting and mapping radioactive specimens |
US4622467A (en) * | 1982-04-21 | 1986-11-11 | California Institute Of Technology | System for mapping radioactive specimens |
FR2646519B1 (fr) * | 1989-04-27 | 1991-08-23 | Charpak Georges | Procede et dispositif pour determiner la distribution des rayons (beta) emergeant d'une surface |
-
0
- BE BE757683D patent/BE757683R/fr active
-
1969
- 1969-10-30 FR FR696937300A patent/FR2111992B1/fr not_active Expired
-
1970
- 1970-10-21 GB GB49876/70A patent/GB1286895A/en not_active Expired
- 1970-10-22 US US00083060A patent/US3717766A/en not_active Expired - Lifetime
- 1970-10-30 JP JP45095819A patent/JPS5012757B1/ja active Pending
- 1970-10-30 DE DE19702053485 patent/DE2053485A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2111992A1 (fr) | 1972-06-16 |
GB1286895A (en) | 1972-08-23 |
DE2053485A1 (de) | 1971-05-13 |
US3717766A (en) | 1973-02-20 |
BE757683R (fr) | 1971-04-01 |
JPS5012757B1 (fr) | 1975-05-14 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |