JPS4973990A - - Google Patents
Info
- Publication number
- JPS4973990A JPS4973990A JP48108856A JP10885673A JPS4973990A JP S4973990 A JPS4973990 A JP S4973990A JP 48108856 A JP48108856 A JP 48108856A JP 10885673 A JP10885673 A JP 10885673A JP S4973990 A JPS4973990 A JP S4973990A
- Authority
- JP
- Japan
- 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
-
- 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
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
- G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
- G21K1/02—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators
- G21K1/04—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using variable diaphragms, shutters, choppers
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- High Energy & Nuclear Physics (AREA)
- Radiology & Medical Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Biophysics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Engineering & Computer Science (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Radiation-Therapy Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722248101 DE2248101B2 (de) | 1972-09-30 | 1972-09-30 | Blendeneinstelleinrichtung eines roentgenzielgeraetes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4973990A true JPS4973990A (fr) | 1974-07-17 |
| JPS5325760B2 JPS5325760B2 (fr) | 1978-07-28 |
Family
ID=5857902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10885673A Expired JPS5325760B2 (fr) | 1972-09-30 | 1973-09-27 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3875411A (fr) |
| JP (1) | JPS5325760B2 (fr) |
| BE (1) | BE805511A (fr) |
| CA (1) | CA987797A (fr) |
| DE (1) | DE2248101B2 (fr) |
| FR (1) | FR2201065B1 (fr) |
| GB (1) | GB1439203A (fr) |
| IT (1) | IT1004589B (fr) |
| SE (1) | SE383095B (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2421243C3 (de) * | 1974-05-02 | 1985-12-05 | Siemens AG, 1000 Berlin und 8000 München | Röntgentechnische Meßvorrichtung mit zwei Meßfeldern zum Erfassen der Dosis und des Flächendosisprodukts |
| SE423458B (sv) * | 1980-09-10 | 1982-05-03 | Agne Larsson | Anordning vid en kamera innefattande en manghalskollimator |
| DE3209683A1 (de) * | 1982-03-17 | 1983-09-22 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Roentgenzielgeraet mit einer einrichtung zur filmnahen einblendung |
| EP0262522B1 (fr) * | 1986-09-30 | 1993-05-05 | Siemens Aktiengesellschaft | Appareil de radiodiagnostic dentaire |
| FR2657771B1 (fr) * | 1990-02-08 | 1998-01-30 | Gen Electric Cgr | Appareil de radiologie avec diaphragme a ouverture automatique. |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3206604A (en) * | 1962-11-13 | 1965-09-14 | Gen Electric | Adjustable x-ray field defining cone and field size indicating means |
| US3502878A (en) * | 1967-09-22 | 1970-03-24 | Us Health Education & Welfare | Automatic x-ray apparatus for limiting the field size of a projected x-ray beam in response to film size and to source-to-film distance |
| US3581094A (en) * | 1968-11-07 | 1971-05-25 | Machlett Lab Inc | X-ray apparatus |
| US3546463A (en) * | 1968-11-22 | 1970-12-08 | Westinghouse Electric Corp | Servomotor-operated x-ray shutter control system for use with a spotfilm device |
| US3643095A (en) * | 1969-11-28 | 1972-02-15 | Picker Corp | Automatic collimator control for x-ray apparatus |
-
1972
- 1972-09-30 DE DE19722248101 patent/DE2248101B2/de not_active Ceased
-
1973
- 1973-08-29 US US392754A patent/US3875411A/en not_active Expired - Lifetime
- 1973-09-27 GB GB4528573A patent/GB1439203A/en not_active Expired
- 1973-09-27 CA CA182,066A patent/CA987797A/en not_active Expired
- 1973-09-27 SE SE7313208A patent/SE383095B/xx unknown
- 1973-09-27 IT IT69854/73A patent/IT1004589B/it active
- 1973-09-27 JP JP10885673A patent/JPS5325760B2/ja not_active Expired
- 1973-09-28 FR FR7334792A patent/FR2201065B1/fr not_active Expired
- 1973-09-28 BE BE136218A patent/BE805511A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2201065B1 (fr) | 1977-09-09 |
| DE2248101B2 (de) | 1977-06-23 |
| CA987797A (en) | 1976-04-20 |
| FR2201065A1 (fr) | 1974-04-26 |
| BE805511A (fr) | 1974-03-28 |
| GB1439203A (en) | 1976-06-16 |
| JPS5325760B2 (fr) | 1978-07-28 |
| IT1004589B (it) | 1976-07-20 |
| US3875411A (en) | 1975-04-01 |
| DE2248101A1 (de) | 1974-04-04 |
| SE383095B (sv) | 1976-03-01 |