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FR635489A - Diaphragm with variable opening more particularly usable in radiology to limit the radiation field - Google Patents

Diaphragm with variable opening more particularly usable in radiology to limit the radiation field

Info

Publication number
FR635489A
FR635489A FR635489DA FR635489A FR 635489 A FR635489 A FR 635489A FR 635489D A FR635489D A FR 635489DA FR 635489 A FR635489 A FR 635489A
Authority
FR
France
Prior art keywords
radiology
diaphragm
limit
radiation field
variable opening
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
Other languages
French (fr)
Inventor
Lucien Levy
Andre Rio
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 filed Critical
Application granted granted Critical
Publication of FR635489A publication Critical patent/FR635489A/en
Expired legal-status Critical Current

Links

Classifications

    • 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

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
FR635489D 1927-06-03 1927-06-03 Diaphragm with variable opening more particularly usable in radiology to limit the radiation field Expired FR635489A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR635489T 1927-06-03

Publications (1)

Publication Number Publication Date
FR635489A true FR635489A (en) 1928-03-16

Family

ID=8994294

Family Applications (1)

Application Number Title Priority Date Filing Date
FR635489D Expired FR635489A (en) 1927-06-03 1927-06-03 Diaphragm with variable opening more particularly usable in radiology to limit the radiation field

Country Status (1)

Country Link
FR (1) FR635489A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2502200A (en) * 1946-11-14 1950-03-28 Ritter Co Inc Fluoroscopic shutter control mechanism
US2790087A (en) * 1953-09-08 1957-04-23 Molins Machine Co Ltd Screening device for beta-ray scanning units
US3280331A (en) * 1963-11-15 1966-10-18 Clark C Abt Radiation shield having a plurality of strings rotatable between an open and closed position
US4739173A (en) * 1986-04-11 1988-04-19 Board Of Trustees Operating Michigan State University Collimator apparatus and method
EP0485742A1 (en) * 1990-11-14 1992-05-20 Siemens-Elema AB X-Ray primary radiation diaphragm assembly
WO2022087068A1 (en) * 2020-10-21 2022-04-28 Illinois Tool Works Inc. Adjustable collimators and x-ray imaging systems including adjustable collimators

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2502200A (en) * 1946-11-14 1950-03-28 Ritter Co Inc Fluoroscopic shutter control mechanism
US2790087A (en) * 1953-09-08 1957-04-23 Molins Machine Co Ltd Screening device for beta-ray scanning units
US3280331A (en) * 1963-11-15 1966-10-18 Clark C Abt Radiation shield having a plurality of strings rotatable between an open and closed position
US4739173A (en) * 1986-04-11 1988-04-19 Board Of Trustees Operating Michigan State University Collimator apparatus and method
EP0485742A1 (en) * 1990-11-14 1992-05-20 Siemens-Elema AB X-Ray primary radiation diaphragm assembly
US5204892A (en) * 1990-11-14 1993-04-20 Siemens Aktiengesellschaft Primary radiation diaphragm for x-ray tube
WO2022087068A1 (en) * 2020-10-21 2022-04-28 Illinois Tool Works Inc. Adjustable collimators and x-ray imaging systems including adjustable collimators
US11862357B2 (en) 2020-10-21 2024-01-02 Illinois Tool Works Inc. Adjustable collimators and x-ray imaging systems including adjustable collimators

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