FR712318A - Perfectionnement aux projecteurs lumineux - Google Patents
Perfectionnement aux projecteurs lumineuxInfo
- Publication number
- FR712318A FR712318A FR712318DA FR712318A FR 712318 A FR712318 A FR 712318A FR 712318D A FR712318D A FR 712318DA FR 712318 A FR712318 A FR 712318A
- Authority
- FR
- France
- Prior art keywords
- advanced lighting
- lighting projectors
- projectors
- advanced
- lighting
- 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
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
-
- 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
- F21V17/02—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for adjustment
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR712318T | 1930-06-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR712318A true FR712318A (fr) | 1931-09-30 |
Family
ID=9079296
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR712318D Expired FR712318A (fr) | 1930-06-11 | 1930-06-11 | Perfectionnement aux projecteurs lumineux |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR712318A (fr) |
-
1930
- 1930-06-11 FR FR712318D patent/FR712318A/fr not_active Expired
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