FR2408197A1 - Appareil de balayage pour tacographie - Google Patents

Appareil de balayage pour tacographie

Info

Publication number
FR2408197A1
FR2408197A1 FR7831059A FR7831059A FR2408197A1 FR 2408197 A1 FR2408197 A1 FR 2408197A1 FR 7831059 A FR7831059 A FR 7831059A FR 7831059 A FR7831059 A FR 7831059A FR 2408197 A1 FR2408197 A1 FR 2408197A1
Authority
FR
France
Prior art keywords
tacography
scanning device
tacographic
scaning
reconstructing
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.)
Withdrawn
Application number
FR7831059A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
American Science and Engineering Inc
Original Assignee
American Science and Engineering 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 and Engineering Inc filed Critical American Science and Engineering Inc
Publication of FR2408197A1 publication Critical patent/FR2408197A1/fr
Withdrawn legal-status Critical Current

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)
  • Toxicology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

L'INVENTION CONCERNE LES APPAREILS DE BALAYAGE TACOGRAPHIQUE. ELLE SE RAPPORTE A UN APPAREIL DANS LEQUEL UN OBTURATEUR 23 NE LAISSE PASSER QUE LA PARTIE DU FAISCEAU DE LA SOURCE 24 QUI EST UTILE POUR LA RECONSTITUTION D'UNE IMAGE, SI BIEN QUE LE PATIENT RECOIT UNE DOSE REDUITE DE RADIATIONS DANS LES PARTIES D'EXTREMITE DU BALAYAGE QUI PEUVENT DONNER DES RESULTATS REDONDANTS. APPLICATION AUX APPAREILS DE TOMOGRAPHIE.
FR7831059A 1977-11-03 1978-11-02 Appareil de balayage pour tacographie Withdrawn FR2408197A1 (fr)

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
FR2408197A1 true FR2408197A1 (fr) 1979-06-01

Family

ID=25302459

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7831059A Withdrawn FR2408197A1 (fr) 1977-11-03 1978-11-02 Appareil de balayage pour tacographie

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)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2452718A1 (fr) * 1979-03-27 1980-10-24 Philips Nv Dispositif pour definir des differences d'absorption locale dans un objet a l'aide d'une source de rontgen generant un faisceau d'irradiation divergent
EP0022579A1 (fr) * 1979-07-17 1981-01-21 Siemens Aktiengesellschaft Dispositif de radiographie pour la réalisation de tomographies transversales

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
US8243876B2 (en) 2003-04-25 2012-08-14 Rapiscan Systems, Inc. X-ray scanners
US7492855B2 (en) 2003-08-07 2009-02-17 General Electric Company System and method for detecting an object
US7889835B2 (en) * 2003-08-07 2011-02-15 Morpho Detection, Inc. System and method for detecting an object by dynamically adjusting computational load
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
US8576982B2 (en) 2008-02-01 2013-11-05 Rapiscan Systems, Inc. Personnel screening system
US7796733B2 (en) * 2007-02-01 2010-09-14 Rapiscan Systems, Inc. Personnel security screening system with enhanced privacy
US8995619B2 (en) 2010-03-14 2015-03-31 Rapiscan Systems, Inc. Personnel screening system
US8638904B2 (en) 2010-03-14 2014-01-28 Rapiscan Systems, Inc. Personnel screening system
CA2692139A1 (fr) 2007-06-21 2009-01-08 Rapiscan Security Products, Inc. Systemes et procedes pour ameliorer le criblage dirige de gens
US8003949B2 (en) 2007-11-01 2011-08-23 Rapiscan Systems, Inc. Multiple screen detection systems
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
EP2502056A4 (fr) * 2009-11-18 2017-12-13 Rapiscan Systems, Inc. Système et procédés à base de rayons x pour rechercher, dans les chaussures d'une personne, des menaces affectant la sécurité aéronautique
MX2012010646A (es) 2010-03-14 2012-12-05 Rapiscan Systems Inc Sistemas de deteccion de multiples pantallas.
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
BR112016020638A2 (pt) 2014-03-07 2018-06-19 Rapiscan Systems, Inc. detetores de ultra banda larga
US11280898B2 (en) 2014-03-07 2022-03-22 Rapiscan Systems, Inc. Radar-based baggage and parcel inspection systems
WO2016086135A2 (fr) 2014-11-25 2016-06-02 Rapiscan Systems, Inc. Système de gestion de sécurité intelligent
CN107615052A (zh) 2015-03-20 2018-01-19 拉皮斯坎系统股份有限公司 手持式便携反向散射检查系统
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
EP3520120A4 (fr) 2016-09-30 2020-07-08 American Science & Engineering, Inc. Source de rayons x pour imagerie à faisceau de balayage 2d
WO2019245636A1 (fr) 2018-06-20 2019-12-26 American Science And 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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2273506A1 (fr) * 1974-06-07 1976-01-02 Emi Ltd Gb Perfectionnements apportes a la radiologie
FR2340555A1 (fr) * 1976-02-03 1977-09-02 Philips Nv Dispositif pour mesurer le degre d'absorption de rayonnement dans une section passant par un corps

Family Cites Families (6)

* 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
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
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2273506A1 (fr) * 1974-06-07 1976-01-02 Emi Ltd Gb Perfectionnements apportes a la radiologie
FR2340555A1 (fr) * 1976-02-03 1977-09-02 Philips Nv Dispositif pour mesurer le degre d'absorption de rayonnement dans une section passant par un corps

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2452718A1 (fr) * 1979-03-27 1980-10-24 Philips Nv Dispositif pour definir des differences d'absorption locale dans un objet a l'aide d'une source de rontgen generant un faisceau d'irradiation divergent
EP0022579A1 (fr) * 1979-07-17 1981-01-21 Siemens Aktiengesellschaft Dispositif de radiographie pour la réalisation de tomographies transversales

Also Published As

Publication number Publication date
ES474765A1 (es) 1979-11-01
DE2846640A1 (de) 1979-05-10
US4200800A (en) 1980-04-29
JPS5474694A (en) 1979-06-14
LU80462A1 (fr) 1980-05-07
BE871679A (fr) 1979-04-30
IT1100034B (it) 1985-09-28
NL7810911A (nl) 1979-05-07
IT7829363A0 (it) 1978-11-02

Similar Documents

Publication Publication Date Title
FR2408197A1 (fr) Appareil de balayage pour tacographie
US4246607A (en) X-Ray fluoroscopy device
FR2424590A1 (fr) Procede et dispositif pour corriger des defauts dans des images formees a l'aide d'un rayonnement de rontgen polychrome dans un appareil tomographique utilise en combinaison avec un ordinateur
US4104530A (en) Dental and medical X-ray apparatus
US4104531A (en) Electron beam target carrier with ceramic window for dental or medical X-ray use
MX9101999A (es) Agentes complejantes e inmunoreactivos radioactivos de objetivo, utiles en composiciones y metodos de formacion de imagen terapeuticos y de diagnostico.
ATE337604T1 (de) Vorrichtung zur fokussierung von röntgenstrahlen
FR2395737A1 (fr) Mecanisme d'obturation de la source radioactive tournante d'un appareil de radiotomographie
CA2041664A1 (fr) Tomodensitometre a images enregistrees
DE69633618D1 (de) Vereinfachte bedingungen und konfigurationen für phasenkontrast-bilderzeugung mit harten röntgenstrahlen
EP1231496A3 (fr) Appareil chirurgical assisté par tomographie avec cohérence optique
DE3882788D1 (de) Geraet zur verarbeitung eines roentgenstrahlbildes.
FR2413072A1 (fr) Appareil d'analyse par tomographie gamma a collimateurs focalises
JPH049417B2 (fr)
KR920001995A (ko) X-선 촬상방법
FR2394284A1 (fr) Appareillage pour tomographie a l'aide d'une camera a rayons gamma
Chang et al. A method of tomographic imaging using a multiple pinhole coded aperture
DE60133090D1 (de) Verfahren zur bildgebung des kopfbereiches
GB1544961A (en) High resolution pulse-echo ultrasonic imaging display system
FR2364019A1 (fr) Procede et appareil de formation d'images tomographiques
EP0140695A3 (fr) Appareil radiographique numérique
DE112023000019T5 (de) Apparat zur Anzeige von Ziellicht in einer tragbaren Röntgenvorrichtung
DE3868958D1 (de) Roentgenfernsehanlage zur durchleuchtung eines untersuchungsobjektes.
CA2175455A1 (fr) Procede et systeme d'imagerie utilisant la reconstitution directe d'un rayonnement diffuse
IT1095266B (it) Dispositivo di esame utilizzante un fascio di scansione di raggi x

Legal Events

Date Code Title Description
ST Notification of lapse