BE526948A - - Google Patents
Info
- Publication number
- BE526948A BE526948A BE526948DA BE526948A BE 526948 A BE526948 A BE 526948A BE 526948D A BE526948D A BE 526948DA BE 526948 A BE526948 A BE 526948A
- Authority
- BE
- Belgium
- Prior art keywords
- rays
- areas
- subdivided
- ionization chamber
- cells
- Prior art date
Links
- 239000003990 capacitor Substances 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 18
- 239000004020 conductor Substances 0.000 claims description 13
- 238000000576 coating method Methods 0.000 claims description 9
- 238000004020 luminiscence type Methods 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 6
- 239000011810 insulating material Substances 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 2
- 230000010287 polarization Effects 0.000 claims 1
- 230000005855 radiation Effects 0.000 description 11
- 230000007423 decrease Effects 0.000 description 5
- 238000002601 radiography Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000000750 progressive effect Effects 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920005439 Perspex® Polymers 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 210000003625 skull Anatomy 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05G—X-RAY TECHNIQUE
- H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
- H05G1/08—Electrical details
- H05G1/26—Measuring, controlling or protecting
- H05G1/30—Controlling
- H05G1/38—Exposure time
- H05G1/42—Exposure time using arrangements for switching when a predetermined dose of radiation has been applied, e.g. in which the switching instant is determined by measuring the electrical energy supplied to the tube
- H05G1/44—Exposure time using arrangements for switching when a predetermined dose of radiation has been applied, e.g. in which the switching instant is determined by measuring the electrical energy supplied to the tube in which the switching instant is determined by measuring the amount of radiation directly
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- X-Ray Techniques (AREA)
- Measurement Of Radiation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL179143A NL100600C (nl) | 1953-06-16 | 1953-06-16 | inrichting voor het vervaardigen van roentgenopnamen, waarbij achter het te fotograferen object een indicator voor het meten van de roentgenstralen-intensiteit is opgesteld |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE526948A true BE526948A (de) | 1954-12-14 |
Family
ID=19866078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE526948D BE526948A (de) | 1953-06-16 | 1954-06-14 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2829273A (de) |
| BE (1) | BE526948A (de) |
| CH (1) | CH322471A (de) |
| DE (1) | DE965435C (de) |
| FR (1) | FR1102364A (de) |
| NL (1) | NL100600C (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2411630C2 (de) * | 1974-03-12 | 1982-01-14 | Philips Patentverwaltung Gmbh, 2000 Hamburg | "Röntgeneinrichtung mit einem Belichtungsautomaten mit automatischer Wahl und Einschaltung der Meßfelder" |
| US4053774A (en) * | 1975-08-08 | 1977-10-11 | California Institute Of Technology | X-ray exposure sensor and controller |
| DE2556699C2 (de) * | 1975-12-17 | 1987-03-12 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Röntgengenerator mit Belichtungsautomatik |
| US4171484A (en) * | 1977-08-03 | 1979-10-16 | Diagnostic Information | Automatic brightness control for direct view fluoroscopic imaging systems |
| US4284889A (en) * | 1978-10-05 | 1981-08-18 | Fuji Photo Film Co., Ltd. | Method for recording radiation image using stimulable phosphor |
| US4255657A (en) * | 1979-06-05 | 1981-03-10 | Charles Lescrenier | Diverging plane positioning device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE586400C (de) * | 1930-12-24 | 1933-10-26 | Siemens Reiniger Werke Akt Ges | Einrichtung zum Anzeigen oder selbsttaetigen Abschalten der Roentgenstrahleneinwirkung auf photographische Schichten |
| FR927692A (fr) * | 1945-05-04 | 1947-11-05 | Alltools | Dispositif de réglage du temps de pose photographique et autre |
| US2486866A (en) * | 1946-05-15 | 1949-11-01 | Us Sec War | Dual phototube X-ray timer for selective exposure of chest films |
| US2488315A (en) * | 1946-05-15 | 1949-11-15 | Us Sec War | Exposure selecting device for X-ray apparatus |
| GB632842A (en) * | 1947-09-29 | 1949-12-05 | Arnold Graves | Improvements in apparatus for timing an x-ray exposure |
-
1953
- 1953-06-16 NL NL179143A patent/NL100600C/nl active
-
1954
- 1954-06-13 DE DEN9056A patent/DE965435C/de not_active Expired
- 1954-06-14 FR FR1102364D patent/FR1102364A/fr not_active Expired
- 1954-06-14 BE BE526948D patent/BE526948A/fr unknown
- 1954-06-15 US US436904A patent/US2829273A/en not_active Expired - Lifetime
- 1954-06-16 CH CH322471D patent/CH322471A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH322471A (de) | 1957-06-15 |
| DE965435C (de) | 1957-06-06 |
| FR1102364A (fr) | 1955-10-19 |
| US2829273A (en) | 1958-04-01 |
| NL100600C (nl) | 1962-03-15 |
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