FR75574E - Device for improving the images provided by optical systems - Google Patents

Device for improving the images provided by optical systems

Info

Publication number
FR75574E
FR75574E FR792161A FR792161A FR75574E FR 75574 E FR75574 E FR 75574E FR 792161 A FR792161 A FR 792161A FR 792161 A FR792161 A FR 792161A FR 75574 E FR75574 E FR 75574E
Authority
FR
France
Prior art keywords
improving
optical systems
images provided
images
optical
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
FR792161A
Other languages
French (fr)
Inventor
Marquet
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.)
Centre National de la Recherche Scientifique CNRS
Original Assignee
Centre National de la Recherche Scientifique CNRS
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 Centre National de la Recherche Scientifique CNRS filed Critical Centre National de la Recherche Scientifique CNRS
Priority to FR792161A priority Critical patent/FR75574E/en
Application granted granted Critical
Publication of FR75574E publication Critical patent/FR75574E/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/46—Systems using spatial filters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR792161A 1959-04-15 1959-04-15 Device for improving the images provided by optical systems Expired FR75574E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR792161A FR75574E (en) 1959-04-15 1959-04-15 Device for improving the images provided by optical systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR792161A FR75574E (en) 1959-04-15 1959-04-15 Device for improving the images provided by optical systems

Publications (1)

Publication Number Publication Date
FR75574E true FR75574E (en) 1961-07-17

Family

ID=8713677

Family Applications (1)

Application Number Title Priority Date Filing Date
FR792161A Expired FR75574E (en) 1959-04-15 1959-04-15 Device for improving the images provided by optical systems

Country Status (1)

Country Link
FR (1) FR75574E (en)

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