GB1592083A - Computerized tomographic system - Google Patents

Computerized tomographic system Download PDF

Info

Publication number
GB1592083A
GB1592083A GB35689/77A GB3568977A GB1592083A GB 1592083 A GB1592083 A GB 1592083A GB 35689/77 A GB35689/77 A GB 35689/77A GB 3568977 A GB3568977 A GB 3568977A GB 1592083 A GB1592083 A GB 1592083A
Authority
GB
United Kingdom
Prior art keywords
ray
pulses
rotatable
pulse
angular range
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
GB35689/77A
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.)
General Electric Co
Original Assignee
General Electric Co
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
Priority claimed from US05/723,799 external-priority patent/US4107531A/en
Application filed by General Electric Co filed Critical General Electric Co
Publication of GB1592083A publication Critical patent/GB1592083A/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
    • A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
    • A61B6/502—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for diagnosis of breast, i.e. mammography
    • 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
    • A61B6/04—Positioning of patients; Tiltable beds or the like
    • A61B6/0407—Supports, e.g. tables or beds, for the body or parts of the body
    • A61B6/0435—Supports, e.g. tables or beds, for the body or parts of the body with means for imaging suspended breasts
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/0002—Inspection of images, e.g. flaw detection
    • 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
    • H05G1/26—Measuring, controlling or protecting
    • H05G1/30—Controlling
    • H05G1/38—Exposure time
    • H05G1/40—Exposure time using adjustable time-switch
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/436—Limited angle

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Theoretical Computer Science (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Quality & Reliability (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Dentistry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Toxicology (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
GB35689/77A 1976-09-16 1977-08-25 Computerized tomographic system Expired GB1592083A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US72394176A 1976-09-16 1976-09-16
US05/723,799 US4107531A (en) 1976-09-16 1976-09-16 X-ray body scanner using encoder for generating system controlling timing pulse train

Publications (1)

Publication Number Publication Date
GB1592083A true GB1592083A (en) 1981-07-01

Family

ID=27110872

Family Applications (2)

Application Number Title Priority Date Filing Date
GB35689/77A Expired GB1592083A (en) 1976-09-16 1977-08-25 Computerized tomographic system
GB7107/80A Expired GB1592084A (en) 1976-09-16 1977-08-25 Computerized tomographic system

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB7107/80A Expired GB1592084A (en) 1976-09-16 1977-08-25 Computerized tomographic system

Country Status (8)

Country Link
JP (1) JPS5336493A (enrdf_load_stackoverflow)
BR (1) BR7705839A (enrdf_load_stackoverflow)
DE (1) DE2741240A1 (enrdf_load_stackoverflow)
FR (1) FR2364643A1 (enrdf_load_stackoverflow)
GB (2) GB1592083A (enrdf_load_stackoverflow)
IT (1) IT1143688B (enrdf_load_stackoverflow)
MX (1) MX144155A (enrdf_load_stackoverflow)
NL (1) NL187046C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2659856A1 (en) * 2012-04-30 2013-11-06 ELEKTA AB (publ.) Arrangement for supporting one or more cables, wires or hoses

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50157286A (enrdf_load_stackoverflow) * 1974-03-26 1975-12-19
DE4019513A1 (de) * 1990-06-19 1992-01-09 Siemens Ag Geraet mit einer vorrichtung zur aufnahme eines elektrischen leiters
DE19933537B4 (de) * 1998-08-18 2005-03-17 Siemens Ag Röntgen-Computertomographie-Gerät mit Mitteln zur Modulation der Röntgenleistung einer Röntgenstrahlenquelle
JP5288737B2 (ja) * 2007-07-20 2013-09-11 キヤノン株式会社 Ｘ線画像撮影装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3924131A (en) * 1968-08-23 1975-12-02 Emi Ltd Method of and apparatus for examining a body by radiation such as X or gamma radiation
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
US3867634A (en) * 1968-08-23 1975-02-18 Emi Ltd Body portion support for use with penetrating radiation examination apparatus
GB1430088A (en) * 1972-05-17 1976-03-31 Emi Ltd Radiography
BE791850A (fr) * 1971-11-26 1973-05-24 Cfc Products Procede et dispositif de tomographie
GB1475308A (en) * 1973-07-21 1977-06-01 Emi Ltd Radiography
GB1493148A (en) * 1974-01-31 1977-11-23 Emi Ltd Radiography
JPS5444597B2 (enrdf_load_stackoverflow) * 1974-03-23 1979-12-26
US4002917A (en) * 1974-08-28 1977-01-11 Emi Limited Sources of X-radiation
DE2442809A1 (de) * 1974-09-06 1976-03-18 Philips Patentverwaltung Anordnung zur ermittlung der absorption in einem koerper
US3973126A (en) * 1975-07-31 1976-08-03 General Electric Company Mammography

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2659856A1 (en) * 2012-04-30 2013-11-06 ELEKTA AB (publ.) Arrangement for supporting one or more cables, wires or hoses

Also Published As

Publication number Publication date
IT1143688B (it) 1986-10-22
MX144155A (es) 1981-09-03
BR7705839A (pt) 1978-07-18
JPS5336493A (en) 1978-04-04
DE2741240A1 (de) 1978-03-23
FR2364643B1 (enrdf_load_stackoverflow) 1984-12-21
FR2364643A1 (fr) 1978-04-14
NL187046B (nl) 1990-12-17
NL7710221A (nl) 1978-03-20
NL187046C (nl) 1991-05-16
GB1592084A (en) 1981-07-01
DE2741240C2 (enrdf_load_stackoverflow) 1990-10-18

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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
728C Application made for restoration (sect. 28/1977)
728A Order made restoring the patent (sect. 28/1977)
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee