FR2330021B1 - - Google Patents

Info

Publication number
FR2330021B1
FR2330021B1 FR7532855A FR7532855A FR2330021B1 FR 2330021 B1 FR2330021 B1 FR 2330021B1 FR 7532855 A FR7532855 A FR 7532855A FR 7532855 A FR7532855 A FR 7532855A FR 2330021 B1 FR2330021 B1 FR 2330021B1
Authority
FR
France
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
FR7532855A
Other languages
French (fr)
Other versions
FR2330021A1 (fr
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing 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
Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Priority to FR7532855A priority Critical patent/FR2330021A1/fr
Publication of FR2330021A1 publication Critical patent/FR2330021A1/fr
Application granted granted Critical
Publication of FR2330021B1 publication Critical patent/FR2330021B1/fr
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00Simple or compound lenses
    • G02B3/02Simple or compound lenses with non-spherical faces
    • G02B3/08Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Elements Other Than Lenses (AREA)
FR7532855A 1975-10-28 1975-10-28 Lentilles a echelons a deflecteurs Granted FR2330021A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7532855A FR2330021A1 (fr) 1975-10-28 1975-10-28 Lentilles a echelons a deflecteurs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7532855A FR2330021A1 (fr) 1975-10-28 1975-10-28 Lentilles a echelons a deflecteurs

Publications (2)

Publication Number Publication Date
FR2330021A1 FR2330021A1 (fr) 1977-05-27
FR2330021B1 true FR2330021B1 (enExample) 1979-05-04

Family

ID=9161713

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7532855A Granted FR2330021A1 (fr) 1975-10-28 1975-10-28 Lentilles a echelons a deflecteurs

Country Status (1)

Country Link
FR (1) FR2330021A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2530826B1 (fr) * 1982-05-26 1986-05-02 Guey Jeanine Lentille de fresnel et ses applications, notamment a un dispositif pour capter l'energie solaire
FR2595493A1 (fr) * 1986-03-07 1987-09-11 Thomson Csf Systeme de visualisation a ecran plat
WO1992019990A1 (fr) * 1991-05-07 1992-11-12 Belgian Electronic Research, B.E.R., S.A. Dispositif de detection autoreglable et autoadaptatif

Also Published As

Publication number Publication date
FR2330021A1 (fr) 1977-05-27

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