GB1546470A - Film for correcting spatial irregulality in the gain of optical imaging systems - Google Patents

Film for correcting spatial irregulality in the gain of optical imaging systems

Info

Publication number
GB1546470A
GB1546470A GB2148676A GB2148676A GB1546470A GB 1546470 A GB1546470 A GB 1546470A GB 2148676 A GB2148676 A GB 2148676A GB 2148676 A GB2148676 A GB 2148676A GB 1546470 A GB1546470 A GB 1546470A
Authority
GB
United Kingdom
Prior art keywords
irregulality
gain
film
optical imaging
imaging systems
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
GB2148676A
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Publication of GB1546470A publication Critical patent/GB1546470A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/205—Neutral density filters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/161—Applications in the field of nuclear medicine, e.g. in vivo counting
    • G01T1/164—Scintigraphy
    • G01T1/1641—Static instruments for imaging the distribution of radioactivity in one or two dimensions using one or several scintillating elements; Radio-isotope cameras
    • G01T1/1645—Static instruments for imaging the distribution of radioactivity in one or two dimensions using one or several scintillating elements; Radio-isotope cameras using electron optical imaging means, e.g. image intensifier tubes, coordinate photomultiplier tubes, image converter

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
GB2148676A 1975-05-27 1976-05-24 Film for correcting spatial irregulality in the gain of optical imaging systems Expired GB1546470A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7516406A FR2312790A1 (en) 1975-05-27 1975-05-27 OPTICAL IMAGE GAIN SPATIAL NON-UNIFORMITY CORRECTIVE FILM

Publications (1)

Publication Number Publication Date
GB1546470A true GB1546470A (en) 1979-05-23

Family

ID=9155699

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2148676A Expired GB1546470A (en) 1975-05-27 1976-05-24 Film for correcting spatial irregulality in the gain of optical imaging systems

Country Status (4)

Country Link
JP (1) JPS51146842A (en)
DE (1) DE2623714C3 (en)
FR (1) FR2312790A1 (en)
GB (1) GB1546470A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5518115A (en) * 1978-07-26 1980-02-08 Hitachi Ltd Inspecting device
DE3027704C2 (en) * 1980-07-22 1984-03-22 Standard Elektrik Lorenz Ag, 7000 Stuttgart Process for the production of a correction filter for the exposure of the fluorescent screens of color picture tubes
US4562353A (en) * 1984-06-04 1985-12-31 Siemens Eammasonics, Inc. Method and device for producing nuclear images
DE3826813A1 (en) * 1988-08-06 1990-02-08 Bosch Gmbh Robert LIGHT DISTRIBUTION PRESENTATION METHOD
US5541779A (en) * 1993-11-17 1996-07-30 Daewoo Electronics Co., Ltd. Optical imaging system

Also Published As

Publication number Publication date
DE2623714A1 (en) 1976-12-02
DE2623714C3 (en) 1978-10-19
JPS51146842A (en) 1976-12-16
FR2312790B1 (en) 1977-12-09
DE2623714B2 (en) 1978-02-02
FR2312790A1 (en) 1976-12-24

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee