JP2651229B2 - Ｘ線画像のコントラスト均等化のための装置 - Google Patents
Ｘ線画像のコントラスト均等化のための装置Info
- Publication number
- JP2651229B2 JP2651229B2 JP63503038A JP50303888A JP2651229B2 JP 2651229 B2 JP2651229 B2 JP 2651229B2 JP 63503038 A JP63503038 A JP 63503038A JP 50303888 A JP50303888 A JP 50303888A JP 2651229 B2 JP2651229 B2 JP 2651229B2
- Authority
- JP
- Japan
- Prior art keywords
- ray
- slit
- range
- sector
- absorber
- 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 - Lifetime
Links
- 230000005855 radiation Effects 0.000 claims description 40
- 239000006096 absorbing agent Substances 0.000 claims description 32
- 238000001514 detection method Methods 0.000 claims description 16
- 238000010521 absorption reaction Methods 0.000 claims description 14
- 230000004044 response Effects 0.000 claims description 3
- 241000282836 Camelus dromedarius Species 0.000 claims 1
- 210000004072 lung Anatomy 0.000 description 17
- 230000005540 biological transmission Effects 0.000 description 16
- 230000035699 permeability Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 8
- 210000000038 chest Anatomy 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000003187 abdominal effect Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 238000003384 imaging method Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 210000002105 tongue Anatomy 0.000 description 4
- 210000001015 abdomen Anatomy 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 238000002601 radiography Methods 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 201000003144 pneumothorax Diseases 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 229920005439 Perspex® Polymers 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 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
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 239000006100 radiation absorber Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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
- G21K1/02—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
-
- 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
- G21K1/043—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using variable diaphragms, shutters, choppers changing time structure of beams by mechanical means, e.g. choppers, spinning filter wheels
-
- 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
-
- 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
- H05G1/36—Temperature of anode; Brightness of image power
-
- 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
- H05G1/60—Circuit arrangements for obtaining a series of X-ray photographs or for X-ray cinematography
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- X-Ray Techniques (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8700781A NL8700781A (nl) | 1987-04-02 | 1987-04-02 | Werkwijze en inrichting voor contrastharmonisatie van een roentgenbeeld. |
| NL8700781 | 1987-04-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02502868A JPH02502868A (ja) | 1990-09-06 |
| JP2651229B2 true JP2651229B2 (ja) | 1997-09-10 |
Family
ID=19849804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63503038A Expired - Lifetime JP2651229B2 (ja) | 1987-04-02 | 1988-03-28 | Ｘ線画像のコントラスト均等化のための装置 |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0348433B1 (enrdf_load_stackoverflow) |
| JP (1) | JP2651229B2 (enrdf_load_stackoverflow) |
| CN (1) | CN1032234C (enrdf_load_stackoverflow) |
| DE (1) | DE3877749T2 (enrdf_load_stackoverflow) |
| IL (1) | IL85959A (enrdf_load_stackoverflow) |
| IN (1) | IN169731B (enrdf_load_stackoverflow) |
| NL (1) | NL8700781A (enrdf_load_stackoverflow) |
| WO (1) | WO1988007807A1 (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8900553A (nl) * | 1989-03-07 | 1990-10-01 | Optische Ind De Oude Delft Nv | Werkwijze en inrichting voor spleetradiografie. |
| US5008914A (en) * | 1989-05-30 | 1991-04-16 | Eastman Kodak Company | Quantitative imaging employing scanning equalization radiography |
| NL8902117A (nl) * | 1989-08-22 | 1991-03-18 | Optische Ind De Oude Delft Nv | Inrichting voor spleetradiografie. |
| US20040066885A1 (en) * | 2002-07-08 | 2004-04-08 | Kabushiki Kaisha Toshiba | X-ray diagnosis apparatus |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE372884B (enrdf_load_stackoverflow) * | 1970-02-09 | 1975-01-20 | Medinova Ab | |
| 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 |
| 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. |
| 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 |
| CA1244971A (en) * | 1985-11-14 | 1988-11-15 | Shih-Ping Wang | X-ray radiography method and system |
-
1987
- 1987-04-02 NL NL8700781A patent/NL8700781A/nl not_active Application Discontinuation
-
1988
- 1988-03-28 DE DE8888903228T patent/DE3877749T2/de not_active Expired - Fee Related
- 1988-03-28 JP JP63503038A patent/JP2651229B2/ja not_active Expired - Lifetime
- 1988-03-28 EP EP88903228A patent/EP0348433B1/en not_active Expired - Lifetime
- 1988-03-28 WO PCT/EP1988/000274 patent/WO1988007807A1/en active IP Right Grant
- 1988-03-29 IN IN259/CAL/88A patent/IN169731B/en unknown
- 1988-04-01 IL IL85959A patent/IL85959A/xx not_active IP Right Cessation
- 1988-04-02 CN CN88101717.5A patent/CN1032234C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1032234C (zh) | 1996-07-03 |
| NL8700781A (nl) | 1988-11-01 |
| DE3877749T2 (de) | 1993-06-24 |
| IN169731B (enrdf_load_stackoverflow) | 1991-12-14 |
| EP0348433A1 (en) | 1990-01-03 |
| IL85959A (en) | 1992-07-15 |
| DE3877749D1 (de) | 1993-03-04 |
| CN88101717A (zh) | 1988-10-19 |
| JPH02502868A (ja) | 1990-09-06 |
| EP0348433B1 (en) | 1993-01-20 |
| WO1988007807A1 (en) | 1988-10-06 |
| IL85959A0 (en) | 1988-09-30 |
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