DE2741240C2 - - Google Patents

Info

Publication number
DE2741240C2
DE2741240C2 DE2741240A DE2741240A DE2741240C2 DE 2741240 C2 DE2741240 C2 DE 2741240C2 DE 2741240 A DE2741240 A DE 2741240A DE 2741240 A DE2741240 A DE 2741240A DE 2741240 C2 DE2741240 C2 DE 2741240C2
Authority
DE
Germany
Prior art keywords
rotation
ray
pulses
angle
pulse
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 - Lifetime
Application number
DE2741240A
Other languages
German (de)
English (en)
Other versions
DE2741240A1 (de
Inventor
Robert Elm Grove Wis. Us Godbarsen
David Miller Brookfield Wis. Us Barrett
Philip Melvin Amsterdam N.Y. Us Garratt
Leroy Earl Foley
Rowland Wells Schenectady N.Y. Us Redington
Thomas Wayne Hales Corners Wis. Us Lambert
Lewis Selig Schenectady N.Y. Us Edelheit
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 DE2741240A1 publication Critical patent/DE2741240A1/de
Application granted granted Critical
Publication of DE2741240C2 publication Critical patent/DE2741240C2/de
Granted 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
    • G06T12/00—Tomographic reconstruction from projections
    • 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

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Theoretical Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Physics & Mathematics (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Quality & Reliability (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Toxicology (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
DE19772741240 1976-09-16 1977-09-14 Rechnerunterstuetztes tomographiesystem Granted DE2741240A1 (de)

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 (2)

Publication Number Publication Date
DE2741240A1 DE2741240A1 (de) 1978-03-23
DE2741240C2 true DE2741240C2 (enExample) 1990-10-18

Family

ID=27110872

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772741240 Granted DE2741240A1 (de) 1976-09-16 1977-09-14 Rechnerunterstuetztes tomographiesystem

Country Status (8)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50157286A (enExample) * 1974-03-26 1975-12-19
JP5288737B2 (ja) * 2007-07-20 2013-09-11 キヤノン株式会社 Ｘ線画像撮影装置
US20130289542A1 (en) * 2012-04-30 2013-10-31 Elekta Ab (Publ) Arrangement for supporting one or more cables, wires or hoses
CN120078435B (zh) * 2025-01-17 2026-06-12 奕瑞电子科技集团股份有限公司 Ct等角数据采集方法、系统、存储介质及ct扫描系统

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
US3867634A (en) * 1968-08-23 1975-02-18 Emi Ltd Body portion support for use with penetrating radiation examination apparatus
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
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 (enExample) * 1974-03-23 1979-12-26
JPS5154793A (enExample) * 1974-08-28 1976-05-14 Emi Varian Ltd
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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
JPS5336493A (en) 1978-04-04
NL187046C (nl) 1991-05-16
DE2741240A1 (de) 1978-03-23
NL187046B (nl) 1990-12-17
GB1592083A (en) 1981-07-01
FR2364643A1 (fr) 1978-04-14
GB1592084A (en) 1981-07-01
BR7705839A (pt) 1978-07-18
MX144155A (es) 1981-09-03
FR2364643B1 (enExample) 1984-12-21
IT1143688B (it) 1986-10-22
NL7710221A (nl) 1978-03-20

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8120 Willingness to grant licences paragraph 23
D2 Grant after examination
8363 Opposition against the patent
8330 Complete renunciation