NL7810911A - Ct aftaster met gereduceerde stralingsdoses. - Google Patents

Ct aftaster met gereduceerde stralingsdoses.

Info

Publication number
NL7810911A
NL7810911A NL7810911A NL7810911A NL7810911A NL 7810911 A NL7810911 A NL 7810911A NL 7810911 A NL7810911 A NL 7810911A NL 7810911 A NL7810911 A NL 7810911A NL 7810911 A NL7810911 A NL 7810911A
Authority
NL
Netherlands
Prior art keywords
scan
radiation doses
reduced radiation
reduced
doses
Prior art date
Application number
NL7810911A
Other languages
English (en)
Dutch (nl)
Original Assignee
American Science & Eng Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by American Science & Eng Inc filed Critical American Science & Eng Inc
Publication of NL7810911A publication Critical patent/NL7810911A/xx

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
    • A61B6/02—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
    • A61B6/06—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
    • 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
    • H05G1/34—Anode current, heater current or heater voltage of X-ray tube

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Health & Medical Sciences (AREA)
  • Biophysics (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Toxicology (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
NL7810911A 1977-11-03 1978-11-02 Ct aftaster met gereduceerde stralingsdoses. NL7810911A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/848,144 US4200800A (en) 1977-11-03 1977-11-03 Reduced dose CT scanning

Publications (1)

Publication Number Publication Date
NL7810911A true NL7810911A (nl) 1979-05-07

Family

ID=25302459

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7810911A NL7810911A (nl) 1977-11-03 1978-11-02 Ct aftaster met gereduceerde stralingsdoses.

Country Status (9)

Country Link
US (1) US4200800A (fr)
JP (1) JPS5474694A (fr)
BE (1) BE871679A (fr)
DE (1) DE2846640A1 (fr)
ES (1) ES474765A1 (fr)
FR (1) FR2408197A1 (fr)
IT (1) IT1100034B (fr)
LU (1) LU80462A1 (fr)
NL (1) NL7810911A (fr)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2912010C2 (de) * 1979-03-27 1987-04-16 Philips Patentverwaltung Gmbh, 2000 Hamburg Gerät zur Messung der Absorptionsverteilung
DE2928825A1 (de) * 1979-07-17 1981-02-12 Siemens Ag Schichtaufnahmegeraet zur herstellung von transversalschichtbildern
US4511801A (en) * 1982-07-19 1985-04-16 Bethlehem Steel Corporation Radiation scanning and measuring device
DE3875999T2 (de) * 1987-04-10 1993-03-25 British Aerospace Abbildungsanlage.
US5228070A (en) * 1988-10-20 1993-07-13 Picker International, Inc. Constant image quality CT scanner with variable radiation flux density
US7110493B1 (en) 2002-02-28 2006-09-19 Rapiscan Security Products (Usa), Inc. X-ray detector system having low Z material panel
US6665373B1 (en) 2002-03-12 2003-12-16 Rapiscan Security Products (Usa), Inc. X-ray imaging system with active detector
US8243876B2 (en) 2003-04-25 2012-08-14 Rapiscan Systems, Inc. X-ray scanners
GB0525593D0 (en) 2005-12-16 2006-01-25 Cxr Ltd X-ray tomography inspection systems
US8223919B2 (en) 2003-04-25 2012-07-17 Rapiscan Systems, Inc. X-ray tomographic inspection systems for the identification of specific target items
US7889835B2 (en) * 2003-08-07 2011-02-15 Morpho Detection, Inc. System and method for detecting an object by dynamically adjusting computational load
US7492855B2 (en) 2003-08-07 2009-02-17 General Electric Company System and method for detecting an object
US7609807B2 (en) * 2004-02-17 2009-10-27 General Electric Company CT-Guided system and method for analyzing regions of interest for contraband detection
US7031430B2 (en) * 2004-04-06 2006-04-18 General Electric Company System and method for detecting objects with differential operators
US7356174B2 (en) * 2004-05-07 2008-04-08 General Electric Company Contraband detection system and method using variance data
US7796733B2 (en) * 2007-02-01 2010-09-14 Rapiscan Systems, Inc. Personnel security screening system with enhanced privacy
US8638904B2 (en) 2010-03-14 2014-01-28 Rapiscan Systems, Inc. Personnel screening system
US8995619B2 (en) 2010-03-14 2015-03-31 Rapiscan Systems, Inc. Personnel screening system
US8576982B2 (en) 2008-02-01 2013-11-05 Rapiscan Systems, Inc. Personnel screening system
CN101779119B (zh) * 2007-06-21 2012-08-29 瑞皮斯坎系统股份有限公司 用于提高受指引的人员筛查的系统和方法
CA2742127C (fr) 2007-11-01 2017-01-24 Rapiscan Security Products, Inc. Systemes de detection multi-ecrans
WO2009082762A1 (fr) 2007-12-25 2009-07-02 Rapiscan Security Products, Inc. Système de sécurité amélioré pour le criblage de personnes
JP2011019633A (ja) * 2009-07-14 2011-02-03 Toshiba Corp Ｘ線診断装置及び被曝線量低減用制御プログラム
GB2488930B (en) * 2009-11-18 2014-04-30 Rapiscan Systems Inc X-ray based system for inspecting a person's shoes for aviation security threats
EP2548207B1 (fr) 2010-03-14 2020-02-12 Rapiscan Systems, Inc. Dispositif de mise en forme de faisceau
US8184775B1 (en) * 2010-10-29 2012-05-22 General Electric Company Dynamic collimator for wide coverage and low dose cardiac CT imaging
US10670740B2 (en) 2012-02-14 2020-06-02 American Science And Engineering, Inc. Spectral discrimination using wavelength-shifting fiber-coupled scintillation detectors
US8798230B2 (en) * 2012-11-19 2014-08-05 Samsung Electronics Co., Ltd. Radiation imaging apparatus, computed tomography apparatus, and radiation imaging method
MX361149B (es) 2014-03-07 2018-11-28 Rapiscan Systems Inc Detectores de banda ultra ancha.
US11280898B2 (en) 2014-03-07 2022-03-22 Rapiscan Systems, Inc. Radar-based baggage and parcel inspection systems
CN107251088A (zh) 2014-11-25 2017-10-13 拉皮斯坎系统股份有限公司 智能安全管理系统
EP3271709B1 (fr) 2015-03-20 2022-09-21 Rapiscan Systems, Inc. Système d'inspection par rétrodiffusion portable portatif
WO2016196521A1 (fr) * 2015-06-01 2016-12-08 The Regents Of The University Of California Systèmes et procédés de réduction de dose de rayonnement en tomographie assistée par ordinateur
US10720300B2 (en) 2016-09-30 2020-07-21 American Science And Engineering, Inc. X-ray source for 2D scanning beam imaging
EP3811117A4 (fr) 2018-06-20 2022-03-16 American Science & Engineering, Inc. Détecteurs de scintillation couplés à une feuille à décalage de longueur d'onde
US11340361B1 (en) 2020-11-23 2022-05-24 American Science And Engineering, Inc. Wireless transmission detector panel for an X-ray scanner

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1430088A (en) * 1972-05-17 1976-03-31 Emi Ltd Radiography
US3922552A (en) * 1974-02-15 1975-11-25 Robert S Ledley Diagnostic X-ray systems
GB1509528A (en) * 1974-06-07 1978-05-04 Emi Ltd Radiology
DE2442809A1 (de) * 1974-09-06 1976-03-18 Philips Patentverwaltung Anordnung zur ermittlung der absorption in einem koerper
US4045672A (en) * 1975-09-11 1977-08-30 Nihon Denshi Kabushiki Kaisha Apparatus for tomography comprising a pin hole for forming a microbeam of x-rays
DE2604020C3 (de) * 1976-02-03 1980-12-04 Philips Patentverwaltung Gmbh, 2000 Hamburg Vorrichtung zur Ermittlung der Absorption einer Strahlung in einer Ebene eines Körpers mit einer einen keilförmigen Strahlungsbereich ausblendenden Abblendvorrichtung
US4075489A (en) * 1977-01-21 1978-02-21 Simulation Physics Method and apparatus involving the generation of x-rays
JPS52106698A (en) * 1977-03-03 1977-09-07 Emi Ltd Radiation photograph

Also Published As

Publication number Publication date
IT7829363A0 (it) 1978-11-02
US4200800A (en) 1980-04-29
BE871679A (fr) 1979-04-30
IT1100034B (it) 1985-09-28
JPS5474694A (en) 1979-06-14
LU80462A1 (fr) 1980-05-07
DE2846640A1 (de) 1979-05-10
ES474765A1 (es) 1979-11-01
FR2408197A1 (fr) 1979-06-01

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Legal Events

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A1A A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed