FR437736A - Improvements to parabolic reflector lighting fixtures - Google Patents
Improvements to parabolic reflector lighting fixturesInfo
- Publication number
- FR437736A FR437736A FR437736A FR437736DA FR437736A FR 437736 A FR437736 A FR 437736A FR 437736 A FR437736 A FR 437736A FR 437736D A FR437736D A FR 437736DA FR 437736 A FR437736 A FR 437736A
- Authority
- FR
- France
- Prior art keywords
- lighting fixtures
- parabolic reflector
- reflector lighting
- parabolic
- fixtures
- 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
- F21V7/10—Construction
-
- 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
- F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR437736T | 1911-12-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR437736A true FR437736A (en) | 1912-04-29 |
Family
ID=1479320
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR437736A Expired FR437736A (en) | 1911-12-16 | 1911-12-16 | Improvements to parabolic reflector lighting fixtures |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR437736A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5660462A (en) * | 1994-09-13 | 1997-08-26 | Osram Sylvania Inc. | High efficiency vehicle headlights and reflector lamps |
-
1911
- 1911-12-16 FR FR437736A patent/FR437736A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5660462A (en) * | 1994-09-13 | 1997-08-26 | Osram Sylvania Inc. | High efficiency vehicle headlights and reflector lamps |
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