FR722326A - Appareil d'éclairage - Google Patents
Appareil d'éclairageInfo
- Publication number
- FR722326A FR722326A FR722326DA FR722326A FR 722326 A FR722326 A FR 722326A FR 722326D A FR722326D A FR 722326DA FR 722326 A FR722326 A FR 722326A
- Authority
- FR
- France
- Prior art keywords
- lighting fixture
- fixture
- 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
- 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 |
---|---|---|---|
FR722326T | 1930-11-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR722326A true FR722326A (fr) | 1932-03-15 |
Family
ID=9100929
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR722326D Expired FR722326A (fr) | 1930-11-26 | 1930-11-26 | Appareil d'éclairage |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR722326A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2751816A (en) * | 1951-09-12 | 1956-06-26 | John D Strong | Paraboloidal reflector |
-
1930
- 1930-11-26 FR FR722326D patent/FR722326A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2751816A (en) * | 1951-09-12 | 1956-06-26 | John D Strong | Paraboloidal reflector |
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