GB1412179A - X-ray densitometer - Google Patents

X-ray densitometer

Info

Publication number
GB1412179A
GB1412179A GB680673A GB680673A GB1412179A GB 1412179 A GB1412179 A GB 1412179A GB 680673 A GB680673 A GB 680673A GB 680673 A GB680673 A GB 680673A GB 1412179 A GB1412179 A GB 1412179A
Authority
GB
United Kingdom
Prior art keywords
collimators
measuring
laminations
photo
densitometer
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
GB680673A
Other languages
English (en)
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
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 Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1412179A publication Critical patent/GB1412179A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H05G1/64—Circuit arrangements for X-ray apparatus incorporating image intensifiers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
    • G01J1/0411—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings using focussing or collimating elements, i.e. lenses or mirrors; Aberration correction
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
    • G01N23/043—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using fluoroscopic examination, with visual observation or video transmission of fluoroscopic images
    • 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
    • G21K1/025—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using multiple collimators, e.g. Bucky screens; other devices for eliminating undesired or dispersed radiation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Multimedia (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
GB680673A 1972-02-15 1973-02-12 X-ray densitometer Expired GB1412179A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2207053A DE2207053C2 (de) 1972-02-15 1972-02-15 Röntgen-Bildverstärker-Densitometer

Publications (1)

Publication Number Publication Date
GB1412179A true GB1412179A (en) 1975-10-29

Family

ID=5836005

Family Applications (1)

Application Number Title Priority Date Filing Date
GB680673A Expired GB1412179A (en) 1972-02-15 1973-02-12 X-ray densitometer

Country Status (9)

Country Link
US (1) US3839634A (enrdf_load_stackoverflow)
JP (1) JPS4890487A (enrdf_load_stackoverflow)
CA (1) CA977874A (enrdf_load_stackoverflow)
DE (1) DE2207053C2 (enrdf_load_stackoverflow)
FR (1) FR2172692A5 (enrdf_load_stackoverflow)
GB (1) GB1412179A (enrdf_load_stackoverflow)
IT (1) IT977777B (enrdf_load_stackoverflow)
NL (1) NL7301928A (enrdf_load_stackoverflow)
SE (1) SE388539B (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7600142A (nl) * 1976-01-08 1977-07-12 Philips Nv Werkwijze en inrichting voor het afregelen van een beeldversterkerketen.
NL8200852A (nl) * 1982-03-03 1983-10-03 Philips Nv Roentgenonderzoekinrichting.
US4910759A (en) * 1988-05-03 1990-03-20 University Of Delaware Xray lens and collimator
JP2593360B2 (ja) * 1990-11-16 1997-03-26 株式会社日立メディコ Ｘ線撮影装置
AU2001289853A1 (en) * 2000-09-04 2002-03-22 Zeptosens Ag Multianalyte determination system and methods
DE10163215B4 (de) * 2001-12-21 2020-02-20 Philips Gmbh System und Verfahren mit automatisch optimierter Bilderzeugung
US9128053B2 (en) * 2013-08-06 2015-09-08 Wisconsin Alumni Research Foundation Precision densitometer for radiosensitive film

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3058021A (en) * 1958-11-24 1962-10-09 American Optical Corp Optical coupling device between x-ray intensifier and vidicon camera tube or the like
US3271740A (en) * 1963-04-29 1966-09-06 Control Data Corp Image registration system using an image converter tube
FR1462229A (fr) * 1965-07-08 1966-04-15 Dispositif réducteur de champ optique de faible encombrement axial
US3417242A (en) * 1965-09-20 1968-12-17 Machlett Lab Inc Image intensification system comprising remote control means for varying the size of the output image
US3665191A (en) * 1968-12-16 1972-05-23 Canadian Patents Dev Filter for compensating efficiency differences in an optical system

Also Published As

Publication number Publication date
NL7301928A (enrdf_load_stackoverflow) 1973-08-17
JPS4890487A (enrdf_load_stackoverflow) 1973-11-26
US3839634A (en) 1974-10-01
SE388539B (sv) 1976-10-11
IT977777B (it) 1974-09-20
DE2207053C2 (de) 1984-12-06
DE2207053A1 (de) 1973-08-23
CA977874A (en) 1975-11-11
FR2172692A5 (enrdf_load_stackoverflow) 1973-09-28

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee