JPS49107485A - - Google Patents

Info

Publication number
JPS49107485A
JPS49107485A JP49011728A JP1172874A JPS49107485A JP S49107485 A JPS49107485 A JP S49107485A JP 49011728 A JP49011728 A JP 49011728A JP 1172874 A JP1172874 A JP 1172874A JP S49107485 A JPS49107485 A JP S49107485A
Authority
JP
Japan
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.)
Pending
Application number
JP49011728A
Other languages
Japanese (ja)
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
Publication of JPS49107485A publication Critical patent/JPS49107485A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B42/00—Obtaining records using waves other than optical waves; Visualisation of such records by using optical means
    • G03B42/02—Obtaining records using waves other than optical waves; Visualisation of such records by using optical means using X-rays
    • 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)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • X-Ray Techniques (AREA)
JP49011728A 1973-01-29 1974-01-28 Pending JPS49107485A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00327644A US3829701A (en) 1973-01-29 1973-01-29 Radiation collimator

Publications (1)

Publication Number Publication Date
JPS49107485A true JPS49107485A (enrdf_load_stackoverflow) 1974-10-12

Family

ID=23277408

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49011728A Pending JPS49107485A (enrdf_load_stackoverflow) 1973-01-29 1974-01-28

Country Status (6)

Country Link
US (1) US3829701A (enrdf_load_stackoverflow)
JP (1) JPS49107485A (enrdf_load_stackoverflow)
CA (1) CA991760A (enrdf_load_stackoverflow)
DE (1) DE2404194A1 (enrdf_load_stackoverflow)
FR (1) FR2215777A1 (enrdf_load_stackoverflow)
NL (1) NL7401105A (enrdf_load_stackoverflow)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3936647A (en) * 1973-05-04 1976-02-03 Cgr Medical Corporation X-ray collimator for controlling the emission of secondary radiation
US3947690A (en) * 1974-07-11 1976-03-30 The Machlett Laboratories, Inc. Radiation limiting means
FR2398487A1 (fr) * 1977-07-29 1979-02-23 Radiologie Cie Gle Appareil radiologique pour tomographie axiale transverse
US4246488A (en) * 1979-03-09 1981-01-20 Picker Corporation Radiation collimator
FR2473776B1 (fr) * 1980-01-11 1985-07-05 Cgr Mev Appareil d'irradiation utilisant des sources radioactives
US4380820A (en) * 1980-06-19 1983-04-19 The Machlett Laboratories, Incorporated Compact X-ray collimator
US4489426A (en) * 1981-12-23 1984-12-18 General Electric Company Collimator with adjustable aperture
US4696022A (en) * 1984-01-27 1987-09-22 University Of Pittsburgh Stereoscopic radiography apparatus and method
US4946238A (en) * 1984-01-27 1990-08-07 University Of Pittsburgh Fiber optic coupler
US4692937A (en) * 1984-05-02 1987-09-08 University Of Pittsburgh Radiography apparatus and method
US4905268A (en) * 1985-10-25 1990-02-27 Picker International, Inc. Adjustable off-focal aperture for x-ray tubes
US4672648A (en) * 1985-10-25 1987-06-09 Picker International, Inc. Apparatus and method for radiation attenuation
DE3604935A1 (de) * 1986-02-17 1987-08-20 Siemens Ag Blende mit kontinuierlich veraenderbarer wirksamer blendenoeffnung fuer diffraktometrische messeinrichtungen
DE8711572U1 (de) * 1987-08-26 1988-12-22 Siemens AG, 1000 Berlin und 8000 München Primärstrahlenblende für Röntgendiagnostikgeräte
GB2211710A (en) * 1987-10-28 1989-07-05 Philips Nv Multileaf collimator
US5396534A (en) * 1993-10-12 1995-03-07 Thomas; Howard C. Shutter apparatus for collimating x-rays
CN100561332C (zh) * 2004-12-09 2009-11-18 Ge医疗系统环球技术有限公司 X射线辐照器和x射线成像设备
CN1786818B (zh) * 2004-12-09 2011-06-08 Ge医疗系统环球技术有限公司 X射线辐照器和x射线成像设备
US20060133575A1 (en) * 2004-12-21 2006-06-22 Advanced X-Ray Technology, Inc. X-ray needle apparatus and method for radiation treatment
US8139719B2 (en) * 2007-03-13 2012-03-20 Koninklijke Philips Electronics Nv Add-on-X-ray-collimator for non-symmetrical beam collimation
CN105403580B (zh) * 2015-12-28 2018-10-09 清华大学 准直器和检查系统
US9892810B2 (en) * 2016-03-01 2018-02-13 Claymount Assemblies B.V. Collimator shutter drive mechanism

Also Published As

Publication number Publication date
FR2215777A1 (enrdf_load_stackoverflow) 1974-08-23
US3829701A (en) 1974-08-13
DE2404194A1 (de) 1974-08-01
NL7401105A (enrdf_load_stackoverflow) 1974-07-31
CA991760A (en) 1976-06-22

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