FR832532A - Fresnel dioptric lens enhancements - Google Patents

Fresnel dioptric lens enhancements

Info

Publication number
FR832532A
FR832532A FR832532DA FR832532A FR 832532 A FR832532 A FR 832532A FR 832532D A FR832532D A FR 832532DA FR 832532 A FR832532 A FR 832532A
Authority
FR
France
Prior art keywords
fresnel
enhancements
dioptric lens
dioptric
lens
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
Other languages
French (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.)
Anciens Etablissements Sautter Harle
Original Assignee
Anciens Etablissements Sautter Harle
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 Anciens Etablissements Sautter Harle filed Critical Anciens Etablissements Sautter Harle
Application granted granted Critical
Publication of FR832532A publication Critical patent/FR832532A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G02B3/08—Simple 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)
FR832532D 1937-05-14 1937-05-14 Fresnel dioptric lens enhancements Expired FR832532A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR832532T 1937-05-14

Publications (1)

Publication Number Publication Date
FR832532A true FR832532A (en) 1938-09-28

Family

ID=9296073

Family Applications (1)

Application Number Title Priority Date Filing Date
FR832532D Expired FR832532A (en) 1937-05-14 1937-05-14 Fresnel dioptric lens enhancements

Country Status (1)

Country Link
FR (1) FR832532A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2287641A1 (en) * 2009-08-21 2011-02-23 Mass Technology (H.K.) Ltd. Fresnel lens sheet and luminaire using the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2287641A1 (en) * 2009-08-21 2011-02-23 Mass Technology (H.K.) Ltd. Fresnel lens sheet and luminaire using the same

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