FR816494A - Signal lumineux - Google Patents
Signal lumineuxInfo
- Publication number
- FR816494A FR816494A FR816494DA FR816494A FR 816494 A FR816494 A FR 816494A FR 816494D A FR816494D A FR 816494DA FR 816494 A FR816494 A FR 816494A
- Authority
- FR
- France
- Prior art keywords
- light signal
- light
- signal
- 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
- G02B5/00—Optical elements other than lenses
- G02B5/12—Reflex reflectors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR816494T | 1936-04-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR816494A true FR816494A (fr) | 1937-08-09 |
Family
ID=9267814
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR816494D Expired FR816494A (fr) | 1936-04-15 | 1936-04-15 | Signal lumineux |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR816494A (fr) |
-
1936
- 1936-04-15 FR FR816494D patent/FR816494A/fr not_active Expired
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