DE3482974D1 - Filtervorrichtung fuer x-strahlenbuendel. - Google Patents
Filtervorrichtung fuer x-strahlenbuendel.Info
- Publication number
- DE3482974D1 DE3482974D1 DE8484105240T DE3482974T DE3482974D1 DE 3482974 D1 DE3482974 D1 DE 3482974D1 DE 8484105240 T DE8484105240 T DE 8484105240T DE 3482974 T DE3482974 T DE 3482974T DE 3482974 D1 DE3482974 D1 DE 3482974D1
- Authority
- DE
- Germany
- Prior art keywords
- filter device
- ray bunch
- bunch
- ray
- filter
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
- G21K1/10—Scattering devices; Absorbing devices; Ionising radiation filters
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/494,974 US4528685A (en) | 1983-05-16 | 1983-05-16 | X-ray beam filter device |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3482974D1 true DE3482974D1 (de) | 1990-09-20 |
Family
ID=23966716
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8484105240T Expired - Fee Related DE3482974D1 (de) | 1983-05-16 | 1984-05-09 | Filtervorrichtung fuer x-strahlenbuendel. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4528685A (de) |
EP (1) | EP0125622B1 (de) |
JP (1) | JPH0631890B2 (de) |
DE (1) | DE3482974D1 (de) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0142841A3 (de) * | 1983-11-18 | 1987-04-29 | Kabushiki Kaisha Toshiba | Blenden-Vorrichtung für ein Röntgendiagnostik-Gerät |
JPS61193364U (de) * | 1985-05-24 | 1986-12-02 | ||
US4746955A (en) * | 1986-09-16 | 1988-05-24 | Colorocs Corporation | Color filter interpositioning mechanism for color electrophotography |
US5040202A (en) * | 1989-06-05 | 1991-08-13 | General Electric | Method and apparatus for reducing x-ray grid images |
DE69033232T2 (de) * | 1989-12-14 | 1999-12-30 | Aloka Co Ltd | Vorrichtung zur Messung des Kalziumgehaltes von Knochen |
US5351106A (en) * | 1991-07-01 | 1994-09-27 | Amergraph Corporation | Exposure system |
US5276556A (en) * | 1992-12-28 | 1994-01-04 | Silitek Corporation | Color separation system for a color scanner |
US5478241A (en) * | 1993-09-20 | 1995-12-26 | Hsu; Yen-Fun | Method and system for automatically demonstrating the effectiveness of an eye protection screen |
US5432834A (en) * | 1993-11-22 | 1995-07-11 | Hologic, Inc. | Whole-body dual-energy bone densitometry using a narrow angle fan beam to cover the entire body in successive scans |
US5503958A (en) * | 1994-05-27 | 1996-04-02 | Motorola Inc. | Method for forming a circuit pattern |
EP0757839B1 (de) * | 1995-02-27 | 1999-12-22 | Koninklijke Philips Electronics N.V. | Eine kollimatoreinheit enthaltende röntgenstrahluntersuchungsvorrichtung |
CN1822239B (zh) * | 2005-02-17 | 2010-06-23 | Ge医疗***环球技术有限公司 | 滤波器和x射线成像设备 |
US7254216B2 (en) * | 2005-07-29 | 2007-08-07 | General Electric Company | Methods and apparatus for filtering a radiation beam and CT imaging systems using same |
US7372940B2 (en) * | 2005-09-30 | 2008-05-13 | Topel, Llc | Radiation therapy system with risk mitigation |
US7263170B2 (en) * | 2005-09-30 | 2007-08-28 | Pellegrino Anthony J | Radiation therapy system featuring rotatable filter assembly |
CN101630538A (zh) * | 2008-07-18 | 2010-01-20 | Ge医疗***环球技术有限公司 | 滤光装置和x射线成像设备 |
CN101789277B (zh) * | 2009-01-24 | 2014-06-11 | Ge医疗***环球技术有限公司 | 滤波器和x射线成像*** |
JP4740348B2 (ja) * | 2009-02-10 | 2011-08-03 | 株式会社東芝 | X線診断装置 |
CN105769238A (zh) * | 2014-12-24 | 2016-07-20 | 丹东市科大仪器有限公司 | 一种x射线限束器内置导轨式滤光片切换装置 |
CN109316199B (zh) * | 2018-09-18 | 2022-06-28 | 上海联影医疗科技股份有限公司 | 一种准直器过滤组件、准直器及医疗设备 |
US10758194B1 (en) | 2019-04-17 | 2020-09-01 | Medtronic Navigation, Inc. | Filter system and method for imaging a subject |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR816845A (fr) * | 1936-01-27 | 1937-08-18 | Dispositif pour protéger le malade contre des lésions causées par les rayons chi | |
US3452193A (en) * | 1965-04-19 | 1969-06-24 | Weyerhaeuser Co | Moisture content measuring method and apparatus |
JPS5110786A (en) * | 1974-07-16 | 1976-01-28 | Kaoru Ninomya | Shinsatsuyoetsukususentoshisochiniokeru hibakusenryokeigenho |
US3965358A (en) * | 1974-12-06 | 1976-06-22 | Albert Macovski | Cross-sectional imaging system using a polychromatic x-ray source |
JPS5817613B2 (ja) * | 1977-04-30 | 1983-04-08 | 株式会社東芝 | X線断層装置 |
US4246488A (en) * | 1979-03-09 | 1981-01-20 | Picker Corporation | Radiation collimator |
US4347440A (en) * | 1980-07-09 | 1982-08-31 | Siemens Medical Laboratories, Inc. | Filter arrangement for an x-ray apparatus |
JPS5722233A (en) * | 1980-07-17 | 1982-02-05 | Olympus Optical Co Ltd | Fundus camera |
JPS57145645A (en) * | 1981-03-04 | 1982-09-08 | Tokyo Shibaura Electric Co | X-ray diagnostic apparatus |
US4445226A (en) * | 1981-05-05 | 1984-04-24 | The Board Of Trustees Of The Leland Stanford Junior University | Multiple-energy X-ray subtraction imaging system |
-
1983
- 1983-05-16 US US06/494,974 patent/US4528685A/en not_active Expired - Fee Related
-
1984
- 1984-05-09 EP EP84105240A patent/EP0125622B1/de not_active Expired
- 1984-05-09 DE DE8484105240T patent/DE3482974D1/de not_active Expired - Fee Related
- 1984-05-16 JP JP59096752A patent/JPH0631890B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4528685A (en) | 1985-07-09 |
JPS6035299A (ja) | 1985-02-23 |
JPH0631890B2 (ja) | 1994-04-27 |
EP0125622B1 (de) | 1990-08-16 |
EP0125622A3 (en) | 1986-10-29 |
EP0125622A2 (de) | 1984-11-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Free format text: VOIGT, R., DIPL.-ING., PAT.-ANW., 6232 BAD SODEN |
|
8339 | Ceased/non-payment of the annual fee |