DE2159365A1 - Einrichtung zum Belichtungsausgleich in Geräten für die Röntgenstrahlenphotographie - Google Patents
Einrichtung zum Belichtungsausgleich in Geräten für die RöntgenstrahlenphotographieInfo
- Publication number
- DE2159365A1 DE2159365A1 DE19712159365 DE2159365A DE2159365A1 DE 2159365 A1 DE2159365 A1 DE 2159365A1 DE 19712159365 DE19712159365 DE 19712159365 DE 2159365 A DE2159365 A DE 2159365A DE 2159365 A1 DE2159365 A1 DE 2159365A1
- Authority
- DE
- Germany
- Prior art keywords
- radiation
- powder
- layer
- control elements
- absorbing
- 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.)
- Pending
Links
- 230000005855 radiation Effects 0.000 claims description 203
- 239000000843 powder Substances 0.000 claims description 75
- 238000010521 absorption reaction Methods 0.000 claims description 52
- 239000006096 absorbing agent Substances 0.000 claims description 30
- 239000011358 absorbing material Substances 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 13
- 238000001228 spectrum Methods 0.000 claims description 3
- 239000010985 leather Substances 0.000 claims description 2
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 2
- 150000002910 rare earth metals Chemical class 0.000 claims description 2
- 206010035148 Plague Diseases 0.000 claims 1
- 241000607479 Yersinia pestis Species 0.000 claims 1
- 230000004048 modification Effects 0.000 claims 1
- 238000012986 modification Methods 0.000 claims 1
- 229910000859 α-Fe Inorganic materials 0.000 claims 1
- 239000000463 material Substances 0.000 description 15
- 239000000203 mixture Substances 0.000 description 11
- 239000000126 substance Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 239000007787 solid Substances 0.000 description 6
- 238000007493 shaping process Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- DOETVZCFKJCYJV-UHFFFAOYSA-N 6-(4,5-dihydro-1h-imidazol-2-yl)-2-[4-(4,5-dihydro-1h-imidazol-2-yl)phenyl]-1h-indole Chemical compound N1CCN=C1C1=CC=C(C=2NC3=CC(=CC=C3C=2)C=2NCCN=2)C=C1 DOETVZCFKJCYJV-UHFFFAOYSA-N 0.000 description 2
- 101100286286 Dictyostelium discoideum ipi gene Proteins 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000002601 radiography Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 210000003625 skull Anatomy 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computed tomography [CT]
- A61B6/032—Transmission computed tomography [CT]
-
- 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
- A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
- A61B6/4035—Arrangements for generating radiation specially adapted for radiation diagnosis the source being combined with a filter or grating
-
- 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
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Biophysics (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)
- Pulmonology (AREA)
- Theoretical Computer Science (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE16209/70A SE347859B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1970-11-30 | 1970-11-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2159365A1 true DE2159365A1 (de) | 1972-07-13 |
Family
ID=20301887
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19712159365 Pending DE2159365A1 (de) | 1970-11-30 | 1971-11-30 | Einrichtung zum Belichtungsausgleich in Geräten für die Röntgenstrahlenphotographie |
Country Status (7)
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19638621C1 (de) * | 1996-09-20 | 1998-02-05 | Siemens Ag | Filter zum Absorbieren von Röntgenstrahlung |
US5878111A (en) * | 1996-09-20 | 1999-03-02 | Siemens Aktiengesellschaft | X-ray absorption filter having a field generating matrix and field sensitive liquids |
DE102012206953B3 (de) * | 2012-04-26 | 2013-05-23 | Siemens Aktiengesellschaft | Adaptives Röntgenfilter und Verfahren zur adaptiven Schwächung einer Röntgenstrahlung |
US9312040B2 (en) | 2012-05-31 | 2016-04-12 | Siemens Aktiengesellschaft | Adaptive x-ray filter for changing the local intensity of x-rays |
Families Citing this family (88)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3882314A (en) * | 1973-02-09 | 1975-05-06 | Siemens Ag | Device for X-ray treatment |
GB1475492A (en) * | 1973-06-01 | 1977-06-01 | Emi Ltd | Apparatus for examining objects by means of penetrating radiation |
US4069422A (en) * | 1973-06-01 | 1978-01-17 | E M I Limited | Apparatus for examining objects by means of penetrating radiation |
US3848130A (en) * | 1973-06-25 | 1974-11-12 | A Macovski | Selective material x-ray imaging system |
US3999073A (en) * | 1973-12-13 | 1976-12-21 | Emi Limited | Apparatus for examining a body by means of penetrating radiation |
US4002911A (en) * | 1974-05-20 | 1977-01-11 | Emi Limited | Data acquisition in tomography |
CH576263A5 (en) * | 1974-11-05 | 1976-06-15 | Flocee Rune | Shaping a radiation beam for radiotherapy - using a deformable block of material containing a heavy metal powder |
US3965358A (en) * | 1974-12-06 | 1976-06-22 | Albert Macovski | Cross-sectional imaging system using a polychromatic x-ray source |
US4123657A (en) * | 1975-11-28 | 1978-10-31 | Artronix Inc. | X-ray detector |
EP0001393A3 (en) * | 1977-08-25 | 1979-12-12 | Charles R. Henry | A system for the distribution, transmission, detection, collection or modulation of propagating energy and/or energy fields |
US4136388A (en) * | 1977-08-26 | 1979-01-23 | U.S. Philips Corporation | Data acquisition system for computed tomography |
US4181858A (en) * | 1977-12-30 | 1980-01-01 | Emi Limited | Adjustable compensating device for radiographic apparatus |
US4288695A (en) * | 1979-04-13 | 1981-09-08 | Technicare Corporation | Computerized tomographic scanner with shaped radiation filter |
DE3011912A1 (de) * | 1980-03-27 | 1981-10-01 | Siemens AG, 1000 Berlin und 8000 München | Roentgendiagnostikanlage mit einem regelkreis fuer die dosisleistung |
FR2485790A1 (fr) * | 1980-06-24 | 1981-12-31 | Radiologie Cie Gle | Systeme de filtration, a effet modulable a distance et appareil de radiologie comportant un tel systeme |
JPS5753677A (en) * | 1980-09-18 | 1982-03-30 | Toshiba Corp | Radiant ray detector |
US4481419A (en) * | 1981-10-29 | 1984-11-06 | Siemens Gammasonics, Inc. | Attenuation zone plate |
GB2129721B (en) * | 1982-10-04 | 1985-12-24 | Varian Associates | Apparatus for producing tissue compensating filter for use in radiation therapy |
FI68515C (fi) * | 1983-01-07 | 1991-05-14 | Instrumentarium Oy | Mjukvaevnadsfilteranordning. |
JPS59221643A (ja) * | 1983-05-31 | 1984-12-13 | Toshiba Corp | セラミツクス物品の検査法 |
US4497062A (en) * | 1983-06-06 | 1985-01-29 | Wisconsin Alumni Research Foundation | Digitally controlled X-ray beam attenuation method and apparatus |
NL8400845A (nl) * | 1984-03-16 | 1985-10-16 | Optische Ind De Oude Delft Nv | Inrichting voor spleetradiografie. |
FR2561516B1 (fr) * | 1984-03-20 | 1988-03-04 | Thomson Cgr | Installation de radiologie a filtre compensateur |
NL8401411A (nl) * | 1984-05-03 | 1985-12-02 | Optische Ind De Oude Delft Nv | Inrichting voor spleetradiografie. |
DE3500812A1 (de) * | 1985-01-11 | 1986-07-17 | Siemens AG, 1000 Berlin und 8000 München | Roentgendiagnostikeinrichtung mit halbtransparenter blende |
US4701942A (en) * | 1985-06-10 | 1987-10-20 | American Technologies, Inc. | Ink jet fluid for radiology |
NL8501795A (nl) * | 1985-06-21 | 1987-01-16 | Optische Ind De Oude Delft Nv | Inrichting en werkwijze voor spleetradiografie met verschillende roentgenstralingsenergieen. |
US4638502A (en) * | 1985-07-08 | 1987-01-20 | The Ontario Cancer Institute | Anthropomorphic phantoms |
US4905268A (en) * | 1985-10-25 | 1990-02-27 | Picker International, Inc. | Adjustable off-focal aperture for x-ray tubes |
US4672648A (en) * | 1985-10-25 | 1987-06-09 | Picker International, Inc. | Apparatus and method for radiation attenuation |
CA1244971A (en) * | 1985-11-14 | 1988-11-15 | Shih-Ping Wang | X-ray radiography method and system |
US4737647A (en) * | 1986-03-31 | 1988-04-12 | Siemens Medical Laboratories, Inc. | Target assembly for an electron linear accelerator |
US4972458A (en) * | 1986-04-14 | 1990-11-20 | The University Of Rochester | Scanning equalization radiography |
US4791300A (en) * | 1986-08-25 | 1988-12-13 | Qtr Corporation | Miniature gamma camera |
US4868843A (en) * | 1986-09-10 | 1989-09-19 | Varian Associates, Inc. | Multileaf collimator and compensator for radiotherapy machines |
US5081659A (en) * | 1987-10-30 | 1992-01-14 | Duke University | Variable compensation method and apparatus for radiological images |
US4868857A (en) * | 1987-10-30 | 1989-09-19 | Duke University | Variable compensation method and apparatus for radiological images |
US5014290A (en) * | 1988-10-28 | 1991-05-07 | Moore Robert M | Method and apparatus for generating radiation blockers |
US5132996A (en) * | 1988-10-28 | 1992-07-21 | Kermath Manufacturing Company | X-ray imaging system with a sweeping linear detector |
CA2014918A1 (en) * | 1989-09-06 | 1991-03-06 | James A. Mcfaul | Scanning mammography system with improved skin line viewing |
US5267295A (en) * | 1989-11-23 | 1993-11-30 | Planmed Oy | Methods and device related to automatic exposure in X-ray diagnostics in particular in mammography |
FR2654917A1 (fr) * | 1989-11-24 | 1991-05-31 | Gen Electric Cgr | Appareil de radiologie avec filtre d'homogeneisation. |
US5037374A (en) * | 1989-11-29 | 1991-08-06 | Carol Mark P | Stereotactic-guided radiation therapy system with variable-length compensating collimator |
US4975933A (en) * | 1990-03-26 | 1990-12-04 | General Electric Company | Bow-tie X-ray filter assembly for dual energy tomography |
NL9000896A (nl) * | 1990-04-17 | 1991-11-18 | Philips Nv | Roentgenstraling absorberend filter. |
FR2664708B1 (fr) * | 1990-07-10 | 1992-09-25 | Gen Electric Cgr | Procede de correction du durcissement d'un faisceau de rayons x dans un scanner. |
NL9100019A (nl) * | 1991-01-09 | 1992-08-03 | Philips Nv | Roentgenonderzoekapparaat. |
JP3419821B2 (ja) * | 1992-05-26 | 2003-06-23 | 山之内製薬株式会社 | 連続高速回転像撮影用kフィルタ,連続高速回転像撮影装置及び連続高速回転像撮影方法並びに連続高速回転像撮影観察装置 |
FI103176B (fi) * | 1993-06-15 | 1999-05-14 | Planmeca Oy | Pehmytkudossuodinlaite kefalostaattiin |
DE69505343T2 (de) * | 1994-06-30 | 1999-05-27 | Koninklijke Philips Electronics N.V., Eindhoven | Mit einem filter ausgerüstetes röntgengerät |
JP3663212B2 (ja) * | 1994-10-25 | 2005-06-22 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | フィルターを有するx線装置 |
US5778046A (en) * | 1996-01-19 | 1998-07-07 | The Regents Of The University Of California | Automatic X-ray Beam Equalizer |
JP3839059B2 (ja) * | 1996-02-14 | 2006-11-01 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴイ | X線フィルタを有するx線検査装置 |
WO1997038329A1 (en) * | 1996-04-10 | 1997-10-16 | Xitec, Inc. | Optical imaging system |
IT1286819B1 (it) * | 1996-12-11 | 1998-07-17 | Gd Spa | Metodo di misura dell'intensita' di radiazione trasmessa attraverso un corpo |
US6201852B1 (en) | 1997-04-11 | 2001-03-13 | University Of Medicine & Denistry Of New Jersey | Method and means for variably attenuating radiation |
US6108403A (en) * | 1998-04-21 | 2000-08-22 | Picker International, Inc. | X-ray equalization filter |
US6823044B2 (en) * | 2001-11-21 | 2004-11-23 | Agilent Technologies, Inc. | System for collecting multiple x-ray image exposures of a sample using a sparse configuration |
US6836535B2 (en) * | 2002-04-22 | 2004-12-28 | General Electric Company | Method and apparatus of modulating the filtering of radiation during radiographic imaging |
US20040015073A1 (en) * | 2002-04-26 | 2004-01-22 | Michael Schell | Target repositioning error correction filter and method |
DE10222397A1 (de) * | 2002-05-21 | 2003-12-04 | Siemens Ag | Verfahren zur Blendenregelung eines Computertomographen und Computertomograph |
US6920203B2 (en) * | 2002-12-02 | 2005-07-19 | General Electric Company | Method and apparatus for selectively attenuating a radiation source |
US6919572B2 (en) * | 2003-05-02 | 2005-07-19 | The Titan Corporation | Compensating for variations in article speeds and characteristics at different article positions during article irradiation |
US7068750B2 (en) * | 2003-10-27 | 2006-06-27 | General Electric Company | System and method of x-ray flux management control |
US7076029B2 (en) * | 2003-10-27 | 2006-07-11 | General Electric Company | Method and apparatus of radiographic imaging with an energy beam tailored for a subject to be scanned |
US7272208B2 (en) * | 2004-09-21 | 2007-09-18 | Ge Medical Systems Global Technology Company, Llc | System and method for an adaptive morphology x-ray beam in an x-ray system |
JP4599392B2 (ja) * | 2005-01-27 | 2010-12-15 | 株式会社日立メディコ | X線計測装置 |
US7397904B2 (en) * | 2005-05-11 | 2008-07-08 | Varian Medical Systems Technologies, Inc. | Asymmetric flattening filter for x-ray device |
US7391843B2 (en) * | 2005-06-20 | 2008-06-24 | General Electric Company | Systems and methods for adjusting noise in a medical imaging system |
JP5011482B2 (ja) * | 2005-07-19 | 2012-08-29 | ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー | X線ct装置 |
US7308073B2 (en) * | 2005-10-20 | 2007-12-11 | General Electric Company | X-ray filter having dynamically displaceable x-ray attenuating fluid |
EP2002287B1 (en) | 2006-03-29 | 2011-11-16 | Philips Intellectual Property & Standards GmbH | Dynamic optimization of the signal-to-noise ratio of dual-energy attenuation data for reconstructing images |
US7489764B2 (en) * | 2007-07-02 | 2009-02-10 | Moshe Ein-Gal | Adjustable aperture collimator |
US8208601B2 (en) * | 2008-08-13 | 2012-06-26 | Oncology Tech Llc | Integrated shaping and sculpting unit for use with intensity modulated radiation therapy (IMRT) treatment |
JP4847568B2 (ja) * | 2008-10-24 | 2011-12-28 | キヤノン株式会社 | X線撮像装置およびx線撮像方法 |
DE102009012631B4 (de) * | 2009-03-11 | 2011-07-28 | Bayer Schering Pharma Aktiengesellschaft, 13353 | Filter für einen Computertomographen sowie Computertomograph |
WO2011060141A1 (en) * | 2009-11-12 | 2011-05-19 | Oncology Tech Llc | An integrated beam modifying assembly for use with a proton beam therapy machine |
FR2960642B1 (fr) | 2010-05-28 | 2012-07-13 | Snecma | Procede de controle non destructif et dispositif de mise en oeuvre du procede |
CN103415253B (zh) * | 2010-12-09 | 2015-11-25 | 皇家飞利浦电子股份有限公司 | 用于计算机断层摄影(ct)的患者后动态过滤器 |
WO2013001386A1 (en) * | 2011-06-30 | 2013-01-03 | Koninklijke Philips Electronics N.V. | X-ray beam transmission profile shaper |
DE102012201856B4 (de) | 2012-02-08 | 2015-04-02 | Siemens Aktiengesellschaft | Konturkollimator und adaptives Filter mit elektroaktiven Polymerelementen und zugehöriges Verfahren |
DE102012220750B4 (de) | 2012-02-08 | 2015-06-03 | Siemens Aktiengesellschaft | Konturkollimator mit einer magnetischen, Röntgenstrahlung absorbierenden Flüssigkeit und zugehöriges Verfahren |
DE102012207627B3 (de) * | 2012-05-08 | 2013-05-02 | Siemens Aktiengesellschaft | Adaptives Röntgenfilter zur Veränderung der lokalen Intensität einer Röntgenstrahlung |
US9173621B2 (en) * | 2013-04-02 | 2015-11-03 | Triple Ring Technologies, Inc. | Method and apparatus for adaptive X-ray filtration |
CN109688930A (zh) * | 2016-09-08 | 2019-04-26 | 皇家飞利浦有限公司 | 用于x射线成像的源光栅 |
US11197654B2 (en) * | 2017-09-08 | 2021-12-14 | Koninklijke Philips N.V. | Dynamic bowtie filter and methods of using the same |
EP3712902B1 (de) | 2019-03-18 | 2021-05-26 | Siemens Healthcare GmbH | Filtersystem zur lokalen abschwächung von röntgenstrahlung, röntgenapparat und verfahren zur lokalen veränderung der intensität von röntgenstrahlung |
CN117331110A (zh) * | 2022-06-27 | 2024-01-02 | 上海联影医疗科技股份有限公司 | 一种用于成像系统的探测器 |
Family Cites Families (2)
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 | |
DE1145277B (de) * | 1960-05-27 | 1963-03-14 | Koch & Sterzel Kommanditgesell | Roentgenapparat mit als Dosisleistungsmesser verwendetem Belichtungsautomaten |
-
1970
- 1970-11-30 SE SE16209/70A patent/SE347859B/xx unknown
-
1971
- 1971-11-24 US US00201676A patent/US3755672A/en not_active Expired - Lifetime
- 1971-11-25 IT IT54359/71A patent/IT945161B/it active
- 1971-11-29 GB GB5540471A patent/GB1374610A/en not_active Expired
- 1971-11-30 NL NL7116455A patent/NL7116455A/xx unknown
- 1971-11-30 FR FR7142828A patent/FR2116168A5/fr not_active Expired
- 1971-11-30 DE DE19712159365 patent/DE2159365A1/de active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19638621C1 (de) * | 1996-09-20 | 1998-02-05 | Siemens Ag | Filter zum Absorbieren von Röntgenstrahlung |
US5878111A (en) * | 1996-09-20 | 1999-03-02 | Siemens Aktiengesellschaft | X-ray absorption filter having a field generating matrix and field sensitive liquids |
DE102012206953B3 (de) * | 2012-04-26 | 2013-05-23 | Siemens Aktiengesellschaft | Adaptives Röntgenfilter und Verfahren zur adaptiven Schwächung einer Röntgenstrahlung |
US9183961B2 (en) | 2012-04-26 | 2015-11-10 | Siemens Aktiengesellschaft | Adaptive X-ray filter and method for adaptive attenuation of X-ray radiation |
US9312040B2 (en) | 2012-05-31 | 2016-04-12 | Siemens Aktiengesellschaft | Adaptive x-ray filter for changing the local intensity of x-rays |
Also Published As
Publication number | Publication date |
---|---|
US3755672A (en) | 1973-08-28 |
NL7116455A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-06-01 |
SE347859B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-08-14 |
FR2116168A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-07-07 |
GB1374610A (en) | 1974-11-20 |
IT945161B (it) | 1973-05-10 |
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