GB1475493A - Apparatus for examining objects by means of penetrating radiation - Google Patents

Apparatus for examining objects by means of penetrating radiation

Info

Publication number
GB1475493A
GB1475493A GB4852176A GB4852176A GB1475493A GB 1475493 A GB1475493 A GB 1475493A GB 4852176 A GB4852176 A GB 4852176A GB 4852176 A GB4852176 A GB 4852176A GB 1475493 A GB1475493 A GB 1475493A
Authority
GB
United Kingdom
Prior art keywords
radiation
penetrating radiation
swath
source
examining objects
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
GB4852176A
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.)
EMI Ltd
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
Priority to GB4852176A priority Critical patent/GB1475493A/en
Publication of GB1475493A publication Critical patent/GB1475493A/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
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A61B6/032—Transmission computed tomography [CT]
    • 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
    • A61B6/4035—Arrangements for generating radiation specially adapted for radiation diagnosis the source being combined with a filter or grating

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (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)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

1475493 Radiography EMI Ltd 20 May 1974 [1 June 1973] 48521/76 Divided out of 1475492 Heading H4F The disclosure is substantially identical to that of Specification 1,475,492, but the claims are directed to a radiographic apparatus comprising a source of a planar fan-shaped swath of radiation, means for detecting such radiation transmitted by a body, the source and detecting means being movable to different operative positions in the plane of the radiation and means such as a wedge-shaped absorber 39 for reducing variations in hardness across the swath of radiation.
GB4852176A 1974-05-20 1974-05-20 Apparatus for examining objects by means of penetrating radiation Expired GB1475493A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4852176A GB1475493A (en) 1974-05-20 1974-05-20 Apparatus for examining objects by means of penetrating radiation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4852176A GB1475493A (en) 1974-05-20 1974-05-20 Apparatus for examining objects by means of penetrating radiation

Publications (1)

Publication Number Publication Date
GB1475493A true GB1475493A (en) 1977-06-01

Family

ID=10448925

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4852176A Expired GB1475493A (en) 1974-05-20 1974-05-20 Apparatus for examining objects by means of penetrating radiation

Country Status (1)

Country Link
GB (1) GB1475493A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0204365A2 (en) * 1985-05-24 1986-12-10 Yukio Fujisaki Measuring apparatus and method employing hard X-rays

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0204365A2 (en) * 1985-05-24 1986-12-10 Yukio Fujisaki Measuring apparatus and method employing hard X-rays
EP0204365A3 (en) * 1985-05-24 1988-12-07 Yukio Fujisaki Measuring apparatus and method employing hard x-rays

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19940519