FR832532A - Fresnel dioptric lens enhancements - Google Patents
Fresnel dioptric lens enhancementsInfo
- 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
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)
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)
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 |
-
1937
- 1937-05-14 FR FR832532D patent/FR832532A/en not_active Expired
Cited By (1)
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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