FR911045A - Réflecteurs cylindriques produisant un faisceau lumineux en forme de coin - Google Patents
Réflecteurs cylindriques produisant un faisceau lumineux en forme de coinInfo
- Publication number
- FR911045A FR911045A FR911045DA FR911045A FR 911045 A FR911045 A FR 911045A FR 911045D A FR911045D A FR 911045DA FR 911045 A FR911045 A FR 911045A
- Authority
- FR
- France
- Prior art keywords
- wedge
- light beam
- shaped light
- cylindrical reflectors
- producing
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH911045X | 1943-09-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR911045A true FR911045A (fr) | 1946-06-26 |
Family
ID=4547329
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR911045D Expired FR911045A (fr) | 1943-09-28 | 1945-05-26 | Réflecteurs cylindriques produisant un faisceau lumineux en forme de coin |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR911045A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3195137A (en) * | 1960-12-27 | 1965-07-13 | Bell Telephone Labor Inc | Cassegrainian antenna with aperture blocking correction |
-
1945
- 1945-05-26 FR FR911045D patent/FR911045A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3195137A (en) * | 1960-12-27 | 1965-07-13 | Bell Telephone Labor Inc | Cassegrainian antenna with aperture blocking correction |
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