FR2269836B1 - - Google Patents

Info

Publication number
FR2269836B1
FR2269836B1 FR7513577A FR7513577A FR2269836B1 FR 2269836 B1 FR2269836 B1 FR 2269836B1 FR 7513577 A FR7513577 A FR 7513577A FR 7513577 A FR7513577 A FR 7513577A FR 2269836 B1 FR2269836 B1 FR 2269836B1
Authority
FR
France
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
Application number
FR7513577A
Other versions
FR2269836A1 (fr
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of FR2269836A1 publication Critical patent/FR2269836A1/fr
Application granted granted Critical
Publication of FR2269836B1 publication Critical patent/FR2269836B1/fr
Expired 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
    • A61B6/54—Control of apparatus or devices for radiation diagnosis
    • A61B6/542—Control of apparatus or devices for radiation diagnosis involving control of exposure
    • 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
    • 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
    • A61B6/08—Auxiliary means for directing the radiation beam to a particular spot, e.g. using light beams
    • 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
    • H05G1/38—Exposure time
    • H05G1/42—Exposure 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Toxicology (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
FR7513577A 1974-05-02 1975-04-30 Expired FR2269836B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2421243A DE2421243C3 (de) 1974-05-02 1974-05-02 Röntgentechnische Meßvorrichtung mit zwei Meßfeldern zum Erfassen der Dosis und des Flächendosisprodukts

Publications (2)

Publication Number Publication Date
FR2269836A1 FR2269836A1 (fr) 1975-11-28
FR2269836B1 true FR2269836B1 (fr) 1981-04-30

Family

ID=5914506

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7513577A Expired FR2269836B1 (fr) 1974-05-02 1975-04-30

Country Status (4)

Country Link
US (1) US4027166A (fr)
DE (1) DE2421243C3 (fr)
FR (1) FR2269836B1 (fr)
GB (1) GB1509799A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4314897C2 (de) * 1993-05-05 1996-04-18 Siemens Ag Röntgengerät
JP2002516136A (ja) * 1998-05-22 2002-06-04 デベックス （プロプライエタリイ） リミテッド Ｘ線画像形成装置
DE102009007238B4 (de) 2009-02-03 2012-03-08 Siemens Aktiengesellschaft Röntgensystem und Kollimator mit DAP Meßkammer

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2747104A (en) * 1951-10-06 1956-05-22 Gen Electric Interval timing apparatus
NL98123C (nl) * 1953-03-03 1961-06-15 Philips Nv inrichting voor het vervaardigen van roentgenopnamen,waarbij achter het te fotograferen object een indicator voor het meten van de roentgenstralen-intensiteit is opgesteld
DE1099096B (de) * 1958-11-15 1961-02-09 Siemens Reiniger Werke Ag Einrichtung zum Messen der Strahlenbelastung bei der Roentgendurchleuchtung
US3148276A (en) * 1960-10-17 1964-09-08 Edgerton Germeshausen & Grier Method of increasing the response of photographic emulsions to radiation
US3483379A (en) * 1967-11-24 1969-12-09 Field Emission Corp Automatic x-ray exposure control having a detector whose response is correlated with the x-ray absorption properties of the x-ray film
US3679902A (en) * 1969-10-13 1972-07-25 Univ Of Kentucky Research Foun X-ray irradiation apparatus in which an x-ray source is energized upon the recording of irradiation dosage data
DE2062633C3 (de) * 1970-12-18 1981-06-11 Philips Patentverwaltung Gmbh, 2000 Hamburg Röntgenbelichtungsautomat
DE2154539C3 (de) * 1971-11-03 1974-10-10 Philips Patentverwaltung Gmbh, 2000 Hamburg Belichtungsautomaten-Schaltung eines Röntgendiagnostikapparates
DE2248101B2 (de) * 1972-09-30 1977-06-23 Blendeneinstelleinrichtung eines roentgenzielgeraetes
FR2215701B1 (fr) * 1973-01-26 1978-10-27 Cgr Mev

Also Published As

Publication number Publication date
DE2421243A1 (de) 1975-11-20
US4027166A (en) 1977-05-31
FR2269836A1 (fr) 1975-11-28
DE2421243B2 (de) 1980-07-10
GB1509799A (en) 1978-05-04
DE2421243C3 (de) 1985-12-05

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Legal Events

Date Code Title Description
ST Notification of lapse