CA2083064C - Detecteur de retrodiffusion des rayons x - Google Patents
Detecteur de retrodiffusion des rayons x Download PDFInfo
- Publication number
- CA2083064C CA2083064C CA002083064A CA2083064A CA2083064C CA 2083064 C CA2083064 C CA 2083064C CA 002083064 A CA002083064 A CA 002083064A CA 2083064 A CA2083064 A CA 2083064A CA 2083064 C CA2083064 C CA 2083064C
- Authority
- CA
- Canada
- Prior art keywords
- rays
- ray
- subject
- image
- searching
- 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
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- 238000003384 imaging method Methods 0.000 claims description 39
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- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 4
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- 238000012935 Averaging Methods 0.000 description 1
- 238000000333 X-ray scattering Methods 0.000 description 1
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- 230000002238 attenuated effect Effects 0.000 description 1
- AVCSIOZFGRLIDK-UHFFFAOYSA-J barium(2+);lead(2+);disulfate Chemical compound [Ba+2].[Pb+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O AVCSIOZFGRLIDK-UHFFFAOYSA-J 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
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- 238000010191 image analysis Methods 0.000 description 1
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- 230000005865 ionizing radiation Effects 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
- G01V5/20—Detecting prohibited goods, e.g. weapons, explosives, hazardous substances, contraband or smuggled objects
- G01V5/22—Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays
- G01V5/222—Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays measuring scattered radiation
-
- 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
- G21K4/00—Conversion screens for the conversion of the spatial distribution of X-rays or particle radiation into visible images, e.g. fluoroscopic screens
-
- 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)
- High Energy & Nuclear Physics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US56304190A | 1990-08-06 | 1990-08-06 | |
| US563,041 | 1990-08-06 | ||
| US07704292 US5181234B1 (en) | 1990-08-06 | 1991-05-22 | X-ray backscatter detection system |
| US704,292 | 1991-05-22 | ||
| PCT/US1991/005558 WO1992002937A1 (fr) | 1990-08-06 | 1991-08-05 | Systeme de detecttion a rayons x retrodiffuses |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2083064A1 CA2083064A1 (fr) | 1992-02-07 |
| CA2083064C true CA2083064C (fr) | 2001-12-18 |
Family
ID=27073148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002083064A Expired - Fee Related CA2083064C (fr) | 1990-08-06 | 1991-08-05 | Detecteur de retrodiffusion des rayons x |
Country Status (4)
| Country | Link |
|---|---|
| AU (1) | AU8437391A (fr) |
| CA (1) | CA2083064C (fr) |
| IL (1) | IL99098A (fr) |
| WO (1) | WO1992002937A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865281A (zh) * | 2014-02-24 | 2015-08-26 | 清华大学 | 人体背散射检查方法和系统 |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5940468A (en) * | 1996-11-08 | 1999-08-17 | American Science And Engineering, Inc. | Coded aperture X-ray imaging system |
| US6950495B2 (en) | 2003-12-01 | 2005-09-27 | The Boeing Company | Backscatter imaging using Hadamard transform masking |
| US8199996B2 (en) * | 2007-06-21 | 2012-06-12 | Rapiscan Systems, Inc. | Systems and methods for improving directed people screening |
| CN103630947B (zh) * | 2012-08-21 | 2016-09-28 | 同方威视技术股份有限公司 | 可监测放射性物质的背散射人体安检系统及其扫描方法 |
| US11280898B2 (en) | 2014-03-07 | 2022-03-22 | Rapiscan Systems, Inc. | Radar-based baggage and parcel inspection systems |
| GB2538921B (en) | 2014-03-07 | 2020-06-03 | Rapiscan Systems Inc | Ultra wide band detectors |
| AU2015353439A1 (en) | 2014-11-25 | 2017-06-29 | Rapiscan Systems, Inc. | Intelligent security management system |
| CN111612020B (zh) * | 2019-02-22 | 2024-04-26 | 杭州海康威视数字技术股份有限公司 | 一种异常被检物的定位方法以及安检分析设备、系统 |
| CN114166874A (zh) * | 2020-09-11 | 2022-03-11 | 同方威视技术股份有限公司 | 背散射检查系统和方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3462601A (en) * | 1965-10-14 | 1969-08-19 | Westinghouse Electric Corp | Gamma ray,x-ray image converter utilizing a scintillation camera system |
| US4342914A (en) * | 1980-09-29 | 1982-08-03 | American Science And Engineering, Inc. | Flying spot scanner having arbitrarily shaped field size |
| US4426721A (en) * | 1980-10-07 | 1984-01-17 | Diagnostic Information, Inc. | X-ray intensifier detector system for x-ray electronic radiography |
| US4839913A (en) * | 1987-04-20 | 1989-06-13 | American Science And Engineering, Inc. | Shadowgraph imaging using scatter and fluorescence |
-
1991
- 1991-08-05 WO PCT/US1991/005558 patent/WO1992002937A1/fr active Application Filing
- 1991-08-05 CA CA002083064A patent/CA2083064C/fr not_active Expired - Fee Related
- 1991-08-05 AU AU84373/91A patent/AU8437391A/en not_active Abandoned
- 1991-08-06 IL IL9909891A patent/IL99098A/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865281A (zh) * | 2014-02-24 | 2015-08-26 | 清华大学 | 人体背散射检查方法和系统 |
| US9651507B2 (en) | 2014-02-24 | 2017-05-16 | Nuctech Company Limited | Human body back scattering inspection method and system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1992002937A1 (fr) | 1992-02-20 |
| CA2083064A1 (fr) | 1992-02-07 |
| AU8437391A (en) | 1992-03-02 |
| IL99098A0 (en) | 1992-07-15 |
| IL99098A (en) | 1996-06-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |