AT145752T - Compensation system for scan radiography - Google Patents

Compensation system for scan radiography

Info

Publication number
AT145752T
AT145752T AT88308720T AT88308720T AT145752T AT 145752 T AT145752 T AT 145752T AT 88308720 T AT88308720 T AT 88308720T AT 88308720 T AT88308720 T AT 88308720T AT 145752 T AT145752 T AT 145752T
Authority
AT
Austria
Prior art keywords
compensation system
scan radiography
radiography
scan
compensation
Prior art date
Application number
AT88308720T
Other languages
German (de)
Inventor
Donald B Plewes
Original Assignee
Optische Ind De Oude Delft Nv
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
Priority to US07/242,644 priority Critical patent/US4972458A/en
Application filed by Optische Ind De Oude Delft Nv filed Critical Optische Ind De Oude Delft Nv
Publication of AT145752T publication Critical patent/AT145752T/en

Links

Classifications

    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21KTECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/10Scattering devices; Absorbing devices; Ionising radiation filters
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/06Diaphragms for particular diagnostic applications, e.g. tomography, i.e. not of general applicability
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/42Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4208Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
    • A61B6/4233Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector using matrix detectors
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/54Control of devices for radiation diagnosis
    • A61B6/542Control of devices for radiation diagnosis involving control of exposure
    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21KTECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/02Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators
    • G21K1/025Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using multiple collimators, e.g. Bucky screens; other devices for eliminating undesired or dispersed radiation
    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21KTECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/02Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators
    • G21K1/04Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using variable diaphragms, shutters, choppers
    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21KTECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/02Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators
    • G21K1/04Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using variable diaphragms, shutters, choppers
    • G21K1/043Arrangements 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
    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21KTECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/02Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators
    • G21K1/04Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using variable diaphragms, shutters, choppers
    • G21K1/046Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using variable diaphragms, shutters, choppers varying the contour of the field, e.g. multileaf collimators
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05GX-RAY TECHNIQUE
    • H05G1/00X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08Electrical details
    • H05G1/26Measuring, controlling, protecting
    • H05G1/30Controlling
    • H05G1/36Temperature of anode; Brightness of image power
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05GX-RAY TECHNIQUE
    • H05G1/00X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08Electrical details
    • H05G1/26Measuring, controlling, protecting
    • H05G1/30Controlling
    • H05G1/38Exposure time
    • H05G1/42Exposure time using arrangements for switching when a predetermined dose of radiation has been applied, e.g. in which the switching instant is determined by measuring the electrical energy supplied to the tube
    • H05G1/44Exposure time using arrangements for switching when a predetermined dose of radiation has been applied, e.g. in which the switching instant is determined by measuring the electrical energy supplied to the tube in which the switching instant is determined by measuring the amount of radiation directly
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05GX-RAY TECHNIQUE
    • H05G1/00X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08Electrical details
    • H05G1/60Circuit arrangements for obtaining a series of X-ray photographs or for X-ray cinematography
AT88308720T 1986-04-14 1988-09-20 Compensation system for scan radiography AT145752T (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US07/242,644 US4972458A (en) 1986-04-14 1988-09-13 Scanning equalization radiography

Publications (1)

Publication Number Publication Date
AT145752T true AT145752T (en) 1996-12-15

Family

ID=22915619

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88308720T AT145752T (en) 1986-04-14 1988-09-20 Compensation system for scan radiography

Country Status (5)

Country Link
US (1) US4972458A (en)
EP (1) EP0358828B1 (en)
JP (1) JPH02211127A (en)
AT (1) AT145752T (en)
DE (2) DE3855687D1 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5054048A (en) * 1985-11-14 1991-10-01 Hologic, Inc. X-ray radiography method and system
US5132996A (en) * 1988-10-28 1992-07-21 Kermath Manufacturing Company X-ray imaging system with a sweeping linear detector
FR2654917A1 (en) * 1989-11-24 1991-05-31 Gen Electric Cgr Radiology apparatus with homogenization filter.
US5070519A (en) * 1990-10-04 1991-12-03 Hologic, Inc. Selective equalization radiography
US5090037A (en) * 1990-11-19 1992-02-18 General Electric Company Helical scanning computed tomography with tracking x-ray source
NL9100182A (en) * 1991-02-01 1992-09-01 Optische Ind De Oude Delft Nv Method and apparatus for slit radiography
FI92974C (en) * 1992-06-12 1995-02-10 Orion Yhtymae Oy A method for capturing an object with a panoramic device equipped with automatic exposure
US5224136A (en) * 1992-06-30 1993-06-29 General Electric Company Helical scanning computed tomography apparatus with constrained tracking of the x-ray source
JP2001517316A (en) * 1998-01-23 2001-10-02 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 X-ray inspection apparatus having a filter
DE19933537B4 (en) * 1998-08-18 2005-03-17 Siemens Ag X-ray computed tomography apparatus with means for modulating the x-ray power of an x-ray source
SE528366C3 (en) * 2004-02-13 2006-11-28
EP1598779B1 (en) * 2004-05-18 2013-07-24 Agfa HealthCare NV Suppression of periodic variations in a digital signal.
EP1972279B1 (en) 2007-03-20 2012-09-12 Cefla Societa' Cooperativa Method for synchronisation between an emitter and a detector of a computed tomography scanner
JP5448877B2 (en) * 2010-01-25 2014-03-19 富士フイルム株式会社 Radiation detector
RU2594807C2 (en) * 2010-12-09 2016-08-20 Конинклейке Филипс Электроникс Н.В. Post-patient dynamic filter for computed tomography (ct)
RU2014140372A (en) * 2012-03-07 2016-04-27 Конинклейке Филипс Н.В. Device for forming x-ray beam
WO2016160708A1 (en) * 2015-03-27 2016-10-06 George Papaioannou Robotic multi-mode radiological scanning system and method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE347859B (en) * 1970-11-30 1972-08-14 Medinova Ab
NL8400845A (en) * 1984-03-16 1985-10-16 Optische Ind De Oude Delft Nv Device for gap radiography.
NL8401411A (en) * 1984-05-03 1985-12-02 Optische Ind De Oude Delft Nv Device for gap radiography.
NL8500244A (en) * 1985-01-29 1986-08-18 Optische Ind De Oude Delft Nv Device for gap radiography.
NL8502910A (en) * 1985-10-24 1987-05-18 Sipko Luu Boersma Roentgen view imager.
CA1244971A (en) * 1985-11-14 1988-11-15 Shih-Ping Wang X-ray radiography method and system
US4773087A (en) * 1986-04-14 1988-09-20 University Of Rochester Quality of shadowgraphic x-ray images

Also Published As

Publication number Publication date
DE3855687D1 (en) 1997-01-09
JPH02211127A (en) 1990-08-22
EP0358828A3 (en) 1990-10-10
EP0358828A2 (en) 1990-03-21
DE3855687T2 (en) 1997-05-28
US4972458A (en) 1990-11-20
EP0358828B1 (en) 1996-11-27

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties