FR491988A - Dispositif de distribution de lumière de projecteurs - Google Patents
Dispositif de distribution de lumière de projecteursInfo
- Publication number
- FR491988A FR491988A FR491988DA FR491988A FR 491988 A FR491988 A FR 491988A FR 491988D A FR491988D A FR 491988DA FR 491988 A FR491988 A FR 491988A
- Authority
- FR
- France
- Prior art keywords
- light distribution
- distribution device
- projector light
- projector
- light
- 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
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
- F21V14/04—Controlling the distribution of the light emitted by adjustment of elements by movement of reflectors
-
- 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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR491988T | 1918-09-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR491988A true FR491988A (fr) | 1919-06-24 |
Family
ID=1527921
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR491988D Expired FR491988A (fr) | 1918-09-26 | 1918-09-26 | Dispositif de distribution de lumière de projecteurs |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR491988A (fr) |
-
1918
- 1918-09-26 FR FR491988D patent/FR491988A/fr not_active Expired
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