CA987797A - Apparatus for controlling size of radiograph - Google Patents

Apparatus for controlling size of radiograph

Info

Publication number
CA987797A
CA987797A CA182,066A CA182066A CA987797A CA 987797 A CA987797 A CA 987797A CA 182066 A CA182066 A CA 182066A CA 987797 A CA987797 A CA 987797A
Authority
CA
Canada
Prior art keywords
radiograph
controlling size
controlling
size
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
Application number
CA182,066A
Other languages
English (en)
Other versions
CA182066S (en
Inventor
Heinz-Peter Kunert
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA987797A publication Critical patent/CA987797A/en
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
    • A61B6/06—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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Optics & Photonics (AREA)
  • Molecular Biology (AREA)
  • General Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Radiation-Therapy Devices (AREA)
CA182,066A 1972-09-30 1973-09-27 Apparatus for controlling size of radiograph Expired CA987797A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722248101 DE2248101B2 (de) 1972-09-30 1972-09-30 Blendeneinstelleinrichtung eines roentgenzielgeraetes

Publications (1)

Publication Number Publication Date
CA987797A true CA987797A (en) 1976-04-20

Family

ID=5857902

Family Applications (1)

Application Number Title Priority Date Filing Date
CA182,066A Expired CA987797A (en) 1972-09-30 1973-09-27 Apparatus for controlling size of radiograph

Country Status (9)

Country Link
US (1) US3875411A (da)
JP (1) JPS5325760B2 (da)
BE (1) BE805511A (da)
CA (1) CA987797A (da)
DE (1) DE2248101B2 (da)
FR (1) FR2201065B1 (da)
GB (1) GB1439203A (da)
IT (1) IT1004589B (da)
SE (1) SE383095B (da)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2421243C3 (de) * 1974-05-02 1985-12-05 Siemens AG, 1000 Berlin und 8000 München Röntgentechnische Meßvorrichtung mit zwei Meßfeldern zum Erfassen der Dosis und des Flächendosisprodukts
SE423458B (sv) * 1980-09-10 1982-05-03 Agne Larsson Anordning vid en kamera innefattande en manghalskollimator
DE3209683A1 (de) * 1982-03-17 1983-09-22 Philips Patentverwaltung Gmbh, 2000 Hamburg Roentgenzielgeraet mit einer einrichtung zur filmnahen einblendung
EP0262522B1 (de) * 1986-09-30 1993-05-05 Siemens Aktiengesellschaft Zahnärztliche Röntgendiagnostikeinrichtung
FR2657771B1 (fr) * 1990-02-08 1998-01-30 Gen Electric Cgr Appareil de radiologie avec diaphragme a ouverture automatique.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3206604A (en) * 1962-11-13 1965-09-14 Gen Electric Adjustable x-ray field defining cone and field size indicating means
US3502878A (en) * 1967-09-22 1970-03-24 Us Health Education & Welfare Automatic x-ray apparatus for limiting the field size of a projected x-ray beam in response to film size and to source-to-film distance
US3581094A (en) * 1968-11-07 1971-05-25 Machlett Lab Inc X-ray apparatus
US3546463A (en) * 1968-11-22 1970-12-08 Westinghouse Electric Corp Servomotor-operated x-ray shutter control system for use with a spotfilm device
US3643095A (en) * 1969-11-28 1972-02-15 Picker Corp Automatic collimator control for x-ray apparatus

Also Published As

Publication number Publication date
GB1439203A (en) 1976-06-16
DE2248101B2 (de) 1977-06-23
SE383095B (sv) 1976-03-01
IT1004589B (it) 1976-07-20
BE805511A (fr) 1974-03-28
JPS5325760B2 (da) 1978-07-28
FR2201065B1 (da) 1977-09-09
FR2201065A1 (da) 1974-04-26
JPS4973990A (da) 1974-07-17
DE2248101A1 (de) 1974-04-04
US3875411A (en) 1975-04-01

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