FR1156505A - Lentille diffusante - Google Patents
Lentille diffusanteInfo
- Publication number
- FR1156505A FR1156505A FR1156505DA FR1156505A FR 1156505 A FR1156505 A FR 1156505A FR 1156505D A FR1156505D A FR 1156505DA FR 1156505 A FR1156505 A FR 1156505A
- Authority
- FR
- France
- Prior art keywords
- diffusing lens
- diffusing
- 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
-
- 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
- G02B3/06—Simple or compound lenses with non-spherical faces with cylindrical or toric faces
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1156505T | 1956-07-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1156505A true FR1156505A (fr) | 1958-05-19 |
Family
ID=9650045
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1156505D Expired FR1156505A (fr) | 1956-07-23 | 1956-07-23 | Lentille diffusante |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1156505A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1164702B (de) * | 1960-01-30 | 1964-03-05 | Zeiss Ikon Ag | Photoelektrischer Empfaenger mit vorgeschalteter, verstellbarer Irisblende |
DE3530326A1 (de) * | 1985-08-24 | 1987-02-26 | Hell Rudolf Dr Ing Gmbh | Integrierender kondensor |
-
1956
- 1956-07-23 FR FR1156505D patent/FR1156505A/fr not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1164702B (de) * | 1960-01-30 | 1964-03-05 | Zeiss Ikon Ag | Photoelektrischer Empfaenger mit vorgeschalteter, verstellbarer Irisblende |
DE3530326A1 (de) * | 1985-08-24 | 1987-02-26 | Hell Rudolf Dr Ing Gmbh | Integrierender kondensor |
EP0219647A1 (fr) * | 1985-08-24 | 1987-04-29 | DR.-ING. RUDOLF HELL GmbH | Condenseur optique intégrateur |
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