FI913243A - Foerfarande foer maetning av en radiografisk films funktion representerande icke-reciprositetseffek. - Google Patents

Foerfarande foer maetning av en radiografisk films funktion representerande icke-reciprositetseffek. Download PDF

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Publication number
FI913243A
FI913243A FI913243A FI913243A FI913243A FI 913243 A FI913243 A FI 913243A FI 913243 A FI913243 A FI 913243A FI 913243 A FI913243 A FI 913243A FI 913243 A FI913243 A FI 913243A
Authority
FI
Finland
Prior art keywords
representerande
reciprositetseffek
radiografisk
icke
funktion
Prior art date
Application number
FI913243A
Other languages
English (en)
Other versions
FI117786B (fi
FI913243A0 (fi
Inventor
Robert Heidsieck
Original Assignee
Gen Electric Cgr
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 Gen Electric Cgr filed Critical Gen Electric Cgr
Publication of FI913243A0 publication Critical patent/FI913243A0/fi
Publication of FI913243A publication Critical patent/FI913243A/fi
Application granted granted Critical
Publication of FI117786B publication Critical patent/FI117786B/fi

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
    • A61B6/58—Testing, adjusting or calibrating thereof
    • A61B6/582—Calibration
    • A61B6/583—Calibration using calibration phantoms
    • 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
    • H05G1/46—Combined control of different quantities, e.g. exposure time as well as voltage or current

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Optics & Photonics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Toxicology (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • X-Ray Techniques (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
FI913243A 1990-07-06 1991-07-04 Menetelmä radiograafisen filmin epäresiprookkisuutta vastaavan funktion määrittämiseksi FI117786B (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9008626 1990-07-06
FR9008626A FR2664396B1 (fr) 1990-07-06 1990-07-06 Procede de determination de la fonction representant l'effet de non reciprocite d'un film radiographique.

Publications (3)

Publication Number Publication Date
FI913243A0 FI913243A0 (fi) 1991-07-04
FI913243A true FI913243A (fi) 1992-01-07
FI117786B FI117786B (fi) 2007-02-15

Family

ID=9398458

Family Applications (1)

Application Number Title Priority Date Filing Date
FI913243A FI117786B (fi) 1990-07-06 1991-07-04 Menetelmä radiograafisen filmin epäresiprookkisuutta vastaavan funktion määrittämiseksi

Country Status (5)

Country Link
US (1) US5347563A (fi)
EP (1) EP0465361B1 (fi)
DE (1) DE69106954T2 (fi)
FI (1) FI117786B (fi)
FR (1) FR2664396B1 (fi)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5815591A (en) * 1996-07-10 1998-09-29 R2 Technology, Inc. Method and apparatus for fast detection of spiculated lesions in digital mammograms
US5917929A (en) * 1996-07-23 1999-06-29 R2 Technology, Inc. User interface for computer aided diagnosis system
FI113897B (fi) * 2001-11-23 2004-06-30 Planmed Oy Automaattivalotusmenetelmä ja automaattivalotusjärjestelmä
FR2849983A1 (fr) * 2003-01-10 2004-07-16 Ge Med Sys Global Tech Co Llc Procede de reglage du debit de rayonnement d'un tube a rayons x
WO2011148546A1 (ja) * 2010-05-26 2011-12-01 株式会社島津製作所 Ｘ線撮影装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2189623A (en) * 1938-06-28 1940-02-06 Westinghouse Electric & Mfg Co Integrating x-ray dosage meters
US2985761A (en) * 1954-04-09 1961-05-23 Ohmart Corp Method and apparatus for regulating X-ray exposures
NL7710052A (nl) * 1977-09-14 1979-03-16 Philips Nv Inrichting voor computer-tomografie.
US4593371A (en) * 1983-11-14 1986-06-03 General Electric Company X-ray tube emission current controller
FR2584504B1 (fr) * 1985-07-04 1989-03-17 Thomson Cgr Procede de determination automatique de l'exposition d'un film radiographique, et dispositif exposeur automatique pour installation de radiodiagnostic mettant en oeuvre ledit procede
FI79241C (fi) * 1985-08-29 1989-12-11 Orion Yhtymae Oy Foerfarande och anordning foer reglering av roentgenstraolningen vid en roentgenanordning, speciellt en mammografianordning.

Also Published As

Publication number Publication date
DE69106954T2 (de) 1995-06-08
FI117786B (fi) 2007-02-15
FI913243A0 (fi) 1991-07-04
EP0465361B1 (fr) 1995-01-25
EP0465361A1 (fr) 1992-01-08
US5347563A (en) 1994-09-13
DE69106954D1 (de) 1995-03-09
FR2664396B1 (fr) 1992-09-11
FR2664396A1 (fr) 1992-01-10

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