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
Application number
JP63503038A
Other languages
English (en)
Japanese (ja)
Other versions
JPH02502868A (ja
Inventor
ヴラスブローム，フーゴ
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.)
OPUTEITSUSHE IND DE ODE DERUFUTO BV
Original Assignee
OPUTEITSUSHE IND DE ODE DERUFUTO BV
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 OPUTEITSUSHE IND DE ODE DERUFUTO BV filed Critical OPUTEITSUSHE IND DE ODE DERUFUTO BV
Publication of JPH02502868A publication Critical patent/JPH02502868A/ja
Application granted granted Critical
Publication of JP2651229B2 publication Critical patent/JP2651229B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—HANDLING OF 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—HANDLING OF 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—HANDLING OF 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)
JP63503038A 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 Expired - Lifetime JP2651229B2 (ja)

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 (show.php)
JP (1) JP2651229B2 (show.php)
CN (1) CN1032234C (show.php)
DE (1) DE3877749T2 (show.php)
IL (1) IL85959A (show.php)
IN (1) IN169731B (show.php)
NL (1) NL8700781A (show.php)
WO (1) WO1988007807A1 (show.php)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE372884B (show.php) * 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

Also Published As

Publication number Publication date
JPH02502868A (ja) 1990-09-06
EP0348433B1 (en) 1993-01-20
DE3877749D1 (de) 1993-03-04
DE3877749T2 (de) 1993-06-24
CN88101717A (zh) 1988-10-19
NL8700781A (nl) 1988-11-01
EP0348433A1 (en) 1990-01-03
IN169731B (show.php) 1991-12-14
IL85959A0 (en) 1988-09-30
WO1988007807A1 (en) 1988-10-06
CN1032234C (zh) 1996-07-03
IL85959A (en) 1992-07-15

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