CA1074024A - Device for measuring radiation absorption - Google Patents

Device for measuring radiation absorption

Info

Publication number
CA1074024A
CA1074024A CA244,284A CA244284A CA1074024A CA 1074024 A CA1074024 A CA 1074024A CA 244284 A CA244284 A CA 244284A CA 1074024 A CA1074024 A CA 1074024A
Authority
CA
Canada
Prior art keywords
radiation
source
detectors
pass filter
output signal
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
CA244,284A
Other languages
English (en)
French (fr)
Inventor
Gunter Kowalski
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA1074024A publication Critical patent/CA1074024A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27D—WORKING VENEER OR PLYWOOD
    • B27D3/00—Veneer presses; Press plates; Plywood presses
    • B27D3/04—Veneer presses; Press plates; Plywood presses with endless arrangement of moving press plates, belts, or the like
    • 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]
    • 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

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Biophysics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Forests & Forestry (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
CA244,284A 1975-01-30 1976-01-27 Device for measuring radiation absorption Expired CA1074024A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2503789A DE2503789C3 (de) 1975-01-30 1975-01-30 Einrichtung zum Ermitteln der Absorption einer Strahlung in einer Ebene eines Körpers, mit einer Anordnung einer Strahlenquelle und einer Vielzahl von Strahlendetektoren, die relativ zu dem Körper kontinuierlich gedreht wird

Publications (1)

Publication Number Publication Date
CA1074024A true CA1074024A (en) 1980-03-18

Family

ID=5937682

Family Applications (1)

Application Number Title Priority Date Filing Date
CA244,284A Expired CA1074024A (en) 1975-01-30 1976-01-27 Device for measuring radiation absorption

Country Status (9)

Country Link
US (1) US4034223A (OSRAM)
JP (1) JPS51100781A (OSRAM)
BE (1) BE837999A (OSRAM)
CA (1) CA1074024A (OSRAM)
DE (1) DE2503789C3 (OSRAM)
FR (1) FR2299650A1 (OSRAM)
GB (1) GB1541286A (OSRAM)
IT (1) IT1057072B (OSRAM)
SE (1) SE413457B (OSRAM)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4107531A (en) * 1976-09-16 1978-08-15 General Electric Company X-ray body scanner using encoder for generating system controlling timing pulse train
US4141071A (en) * 1977-03-17 1979-02-20 Bethlehem Steel Corporation Automatic diametric dimension control for mill for rolling round bars
US4255659A (en) * 1978-03-27 1981-03-10 The Regents Of The University Of California Semiconductor radiation detector
IL64106A0 (en) * 1981-06-12 1982-01-31 Analogic Corp Continuous wave fan beam tomography system
US4547893A (en) * 1981-06-12 1985-10-15 Analogic Corporation Continuous wave fan beam tomography system having a best-estimating filter
JPS5980233A (ja) * 1982-10-30 1984-05-09 株式会社島津製作所 Ｘ線ｃｔ装置
US4535243A (en) * 1983-03-17 1985-08-13 Imatron Associates X-ray detector for high speed X-ray scanning system
US4620313A (en) * 1984-06-20 1986-10-28 Technicare Corporation Controlled cutoff frequency analog filter for CT scanners
US5218533A (en) * 1990-08-06 1993-06-08 General Electric Company Stable interruptible filter for dual beam computed tomography
US20080078948A1 (en) * 2006-10-03 2008-04-03 Tokyo Electron Limited Processing termination detection method and apparatus
CN101868836B (zh) * 2007-11-19 2013-09-18 皇家飞利浦电子股份有限公司 包括成像辐射校准结构的辐射探测器

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3099746A (en) * 1959-09-28 1963-07-30 Tuboscope Company Thickness measuring apparatus utilizing gamma radiation
US3106640A (en) * 1960-10-06 1963-10-08 William H Oldendorf Radiant energy apparatus for investigating selected areas of the interior of objectsobscured by dense material
GB1430088A (en) * 1972-05-17 1976-03-31 Emi Ltd Radiography
GB1471531A (en) * 1973-04-25 1977-04-27 Emi Ltd Radiography
GB1475492A (en) * 1973-06-01 1977-06-01 Emi Ltd Apparatus for examining objects by means of penetrating radiation

Also Published As

Publication number Publication date
BE837999A (fr) 1976-07-28
DE2503789A1 (de) 1976-08-05
FR2299650B1 (OSRAM) 1981-10-23
DE2503789B2 (de) 1980-01-31
FR2299650A1 (fr) 1976-08-27
JPS51100781A (OSRAM) 1976-09-06
DE2503789C3 (de) 1980-10-09
SE413457B (sv) 1980-06-02
US4034223A (en) 1977-07-05
IT1057072B (it) 1982-03-10
GB1541286A (en) 1979-02-28
SE7600805L (sv) 1976-08-02

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Legal Events

Date Code Title Description
MKEX Expiry