FR768048A - Reflectors for street lights - Google Patents
Reflectors for street lightsInfo
- Publication number
- FR768048A FR768048A FR768048DA FR768048A FR 768048 A FR768048 A FR 768048A FR 768048D A FR768048D A FR 768048DA FR 768048 A FR768048 A FR 768048A
- Authority
- FR
- France
- Prior art keywords
- reflectors
- street lights
- street
- lights
- 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
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
- F21V7/24—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/10—Outdoor lighting
- F21W2131/103—Outdoor lighting of streets or roads
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR768048T | 1934-02-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR768048A true FR768048A (en) | 1934-07-30 |
Family
ID=9184006
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR768048D Expired FR768048A (en) | 1934-02-01 | 1934-02-01 | Reflectors for street lights |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR768048A (en) |
-
1934
- 1934-02-01 FR FR768048D patent/FR768048A/en not_active Expired
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