FR2269836B1 - - Google Patents
Info
- Publication number
- FR2269836B1 FR2269836B1 FR7513577A FR7513577A FR2269836B1 FR 2269836 B1 FR2269836 B1 FR 2269836B1 FR 7513577 A FR7513577 A FR 7513577A FR 7513577 A FR7513577 A FR 7513577A FR 2269836 B1 FR2269836 B1 FR 2269836B1
- 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
-
- 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
- A61B6/54—Control of apparatus or devices for radiation diagnosis
- A61B6/542—Control of apparatus or devices for radiation diagnosis involving control of exposure
-
- 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
- A61B6/06—Diaphragms
-
- 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
- A61B6/08—Auxiliary means for directing the radiation beam to a particular spot, e.g. using light beams
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Radiology & Medical Imaging (AREA)
- Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- High Energy & Nuclear Physics (AREA)
- Animal Behavior & Ethology (AREA)
- Biophysics (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Toxicology (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2421243A DE2421243C3 (de) | 1974-05-02 | 1974-05-02 | Röntgentechnische Meßvorrichtung mit zwei Meßfeldern zum Erfassen der Dosis und des Flächendosisprodukts |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2269836A1 FR2269836A1 (US07935154-20110503-C00018.png) | 1975-11-28 |
FR2269836B1 true FR2269836B1 (US07935154-20110503-C00018.png) | 1981-04-30 |
Family
ID=5914506
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7513577A Expired FR2269836B1 (US07935154-20110503-C00018.png) | 1974-05-02 | 1975-04-30 |
Country Status (4)
Country | Link |
---|---|
US (1) | US4027166A (US07935154-20110503-C00018.png) |
DE (1) | DE2421243C3 (US07935154-20110503-C00018.png) |
FR (1) | FR2269836B1 (US07935154-20110503-C00018.png) |
GB (1) | GB1509799A (US07935154-20110503-C00018.png) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4314897C2 (de) * | 1993-05-05 | 1996-04-18 | Siemens Ag | Röntgengerät |
WO1999060928A1 (en) * | 1998-05-22 | 1999-12-02 | Debex (Proprietary) Limited | X-ray imaging apparatus |
DE102009007238B4 (de) * | 2009-02-03 | 2012-03-08 | Siemens Aktiengesellschaft | Röntgensystem und Kollimator mit DAP Meßkammer |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2747104A (en) * | 1951-10-06 | 1956-05-22 | Gen Electric | Interval timing apparatus |
NL98123C (nl) * | 1953-03-03 | 1961-06-15 | Philips Nv | inrichting voor het vervaardigen van roentgenopnamen,waarbij achter het te fotograferen object een indicator voor het meten van de roentgenstralen-intensiteit is opgesteld |
DE1099096B (de) * | 1958-11-15 | 1961-02-09 | Siemens Reiniger Werke Ag | Einrichtung zum Messen der Strahlenbelastung bei der Roentgendurchleuchtung |
US3148276A (en) * | 1960-10-17 | 1964-09-08 | Edgerton Germeshausen & Grier | Method of increasing the response of photographic emulsions to radiation |
US3483379A (en) * | 1967-11-24 | 1969-12-09 | Field Emission Corp | Automatic x-ray exposure control having a detector whose response is correlated with the x-ray absorption properties of the x-ray film |
US3679902A (en) * | 1969-10-13 | 1972-07-25 | Univ Of Kentucky Research Foun | X-ray irradiation apparatus in which an x-ray source is energized upon the recording of irradiation dosage data |
DE2062633C3 (de) * | 1970-12-18 | 1981-06-11 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Röntgenbelichtungsautomat |
DE2154539C3 (de) * | 1971-11-03 | 1974-10-10 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Belichtungsautomaten-Schaltung eines Röntgendiagnostikapparates |
DE2248101B2 (de) * | 1972-09-30 | 1977-06-23 | Blendeneinstelleinrichtung eines roentgenzielgeraetes | |
FR2215701B1 (US07935154-20110503-C00018.png) * | 1973-01-26 | 1978-10-27 | Cgr Mev |
-
1974
- 1974-05-02 DE DE2421243A patent/DE2421243C3/de not_active Expired
-
1975
- 1975-04-21 US US05/570,161 patent/US4027166A/en not_active Expired - Lifetime
- 1975-04-30 GB GB18086/75A patent/GB1509799A/en not_active Expired
- 1975-04-30 FR FR7513577A patent/FR2269836B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2421243A1 (de) | 1975-11-20 |
DE2421243C3 (de) | 1985-12-05 |
US4027166A (en) | 1977-05-31 |
FR2269836A1 (US07935154-20110503-C00018.png) | 1975-11-28 |
DE2421243B2 (de) | 1980-07-10 |
GB1509799A (en) | 1978-05-04 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |