HK37681A - Improvements in or relating to radiography - Google Patents

Improvements in or relating to radiography

Info

Publication number
HK37681A
HK37681A HK376/81A HK37681A HK37681A HK 37681 A HK37681 A HK 37681A HK 376/81 A HK376/81 A HK 376/81A HK 37681 A HK37681 A HK 37681A HK 37681 A HK37681 A HK 37681A
Authority
HK
Hong Kong
Prior art keywords
radiography
relating
Prior art date
Application number
HK376/81A
Other languages
English (en)
Inventor
J R Froggatt
Original Assignee
Emi 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 Emi Ltd filed Critical Emi Ltd
Publication of HK37681A publication Critical patent/HK37681A/xx

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
    • A61B6/48—Diagnostic techniques
    • A61B6/483—Diagnostic techniques involving scattered radiation
    • 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
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A61B6/032—Transmission computed tomography [CT]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G06T11/005—Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating
    • 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
    • H05G1/66—Circuit arrangements for X-ray tubes with target movable relatively to the anode
    • 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
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4021—Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot
    • A61B6/4028—Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot resulting in acquisition of views from substantially different positions, e.g. EBCT
    • 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
    • A61B6/548—Remote control of the apparatus or devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S378/00—X-ray or gamma ray systems or devices
    • Y10S378/901—Computer tomography program or processor

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Theoretical Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Toxicology (AREA)
  • Pulmonology (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
HK376/81A 1976-01-15 1981-07-30 Improvements in or relating to radiography HK37681A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1497/76A GB1571800A (en) 1976-01-15 1976-01-15 Radiography

Publications (1)

Publication Number Publication Date
HK37681A true HK37681A (en) 1981-08-07

Family

ID=9723021

Family Applications (1)

Application Number Title Priority Date Filing Date
HK376/81A HK37681A (en) 1976-01-15 1981-07-30 Improvements in or relating to radiography

Country Status (8)

Country Link
US (1) US4081681A (xx)
JP (1) JPS5293288A (xx)
DE (1) DE2702009C2 (xx)
FR (1) FR2338031A1 (xx)
GB (1) GB1571800A (xx)
HK (1) HK37681A (xx)
MY (1) MY8200058A (xx)
NL (1) NL184721C (xx)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5394787A (en) * 1977-01-31 1978-08-19 Toshiba Corp Tomographic diagnostic equipment by radiation
JPS5436780A (en) * 1977-08-26 1979-03-17 Hitachi Medical Corp Xxray detector
DE2821083A1 (de) * 1978-05-13 1979-11-22 Philips Patentverwaltung Anordnung zur ermittlung der raeumlichen absorptionsverteilung in einem ebenen untersuchungsbereich
AU523895B2 (en) * 1978-08-04 1982-08-19 Commonwealth Of Australia, The Ultrasonic echoscope
JPS5834033U (ja) * 1981-08-28 1983-03-05 三井造船株式会社 パイプ水圧試験機用シ−ル部材
CA1196691A (en) * 1982-01-12 1985-11-12 Bradley Fry Reconstruction system and methods for impedance imaging
NL8202417A (nl) * 1982-06-15 1984-01-02 Philips Nv Inrichting en werkwijze voor het verwerken van roentgenbeelden.
HU188196B (en) * 1982-08-19 1986-03-28 Medicor Muevek,Hu Firmware back-projector for ct systems
EP0105618B1 (en) * 1982-09-07 1989-10-25 The Board Of Trustees Of The Leland Stanford Junior University X-ray imaging system having radiation scatter compensation and method
JPS59151939A (ja) * 1983-02-08 1984-08-30 株式会社東芝 Ｘ線診断装置
JPS59151940A (ja) * 1983-02-18 1984-08-30 株式会社東芝 Ｘ線診断装置
JPS61249452A (ja) * 1985-04-30 1986-11-06 株式会社東芝 Ｘ線診断装置
JPS62191972A (ja) * 1986-02-18 1987-08-22 Toshiba Corp Ｘ線画像処理装置
US4897788A (en) * 1988-04-18 1990-01-30 General Electric Company Image correction for computed tomography to remove crosstalk artifacts
JP3408848B2 (ja) * 1993-11-02 2003-05-19 株式会社日立メディコ 散乱ｘ線補正法及びｘ線ｃｔ装置並びに多チャンネルｘ線検出器
FR2766044B1 (fr) * 1997-07-11 1999-10-08 Ge Medical Syst Sa Procede de traitement d'une sequence d'images radiologiques d'un objet
JP3919724B2 (ja) * 2003-09-19 2007-05-30 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 放射線計算断層画像装置および断層像データ生成方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1283915A (en) * 1968-08-23 1972-08-02 Emi Ltd A method of and apparatus for examination of a body by radiation such as x or gamma radiation
GB1471531A (en) * 1973-04-25 1977-04-27 Emi Ltd Radiography
FR2249517B1 (xx) * 1973-10-30 1976-10-01 Thomson Csf
GB1493594A (en) * 1974-01-31 1977-11-30 Emi Ltd Radiography
DE2559658A1 (de) 1974-08-28 1977-09-29 Emi Ltd Radiographisches geraet
GB1529799A (en) 1974-11-13 1978-10-25 Emi Ltd Radiography

Also Published As

Publication number Publication date
GB1571800A (en) 1980-07-16
FR2338031A1 (fr) 1977-08-12
DE2702009C2 (de) 1983-12-01
MY8200058A (en) 1982-12-31
NL184721B (nl) 1989-05-16
DE2702009A1 (de) 1977-07-28
NL184721C (nl) 1989-10-16
JPS5293288A (en) 1977-08-05
NL7700410A (nl) 1977-07-19
JPS5530856B2 (xx) 1980-08-14
US4081681A (en) 1978-03-28
FR2338031B1 (xx) 1981-12-24

Similar Documents

Publication Publication Date Title
MY8200054A (en) Improvements in or relating to radiography
HK37881A (en) Improvements in or relating to radiography
ZA776704B (en) Improvements in or relating to screening
ZA774475B (en) Improvements in or relating to line advance mechanisms
HK49980A (en) Improvements in or relating to radiology
MY8200058A (en) Improvements in or relating to radiography
MY8000019A (en) Improvements in or relating to radiography
HK71279A (en) Improvements in or relating to radiography
HK48779A (en) Improvements in or relating to radiography
IL52154A0 (en) Improvements in tomography
MY8200053A (en) Improvements in or relating to radiography
ZA774778B (en) Improvements in or relating to glycerokinases
HK50080A (en) Improvements in or relating to radiography
MY8200055A (en) Improvements in or relating to radiography
ZA772286B (en) Improvements in or relating to ovens
ZA773449B (en) Improvements in or relating to detector tubes
ZA774654B (en) Improvements in or relating to dartboards
ZA773282B (en) Improvements in or relating to ventilators
ZA773051B (en) Improvements in or relating to sieves
DE2861017D1 (en) Improvements in or relating to decollators
EG13064A (en) Improvements in or relating to condensate-removing apparatus
AU496747B2 (en) Improvements in or relating to radiography
ZA763229B (en) Improvements in or relating to roadsigns
HK179A (en) Improvements in or relating to transceivers
HK48979A (en) Improvements in or relating to radiography