FR731324A - Reflector for incandescent electric lamps - Google Patents
Reflector for incandescent electric lampsInfo
- Publication number
- FR731324A FR731324A FR731324DA FR731324A FR 731324 A FR731324 A FR 731324A FR 731324D A FR731324D A FR 731324DA FR 731324 A FR731324 A FR 731324A
- Authority
- FR
- France
- Prior art keywords
- reflector
- electric lamps
- incandescent electric
- incandescent
- lamps
- 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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/06—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages the fastening being onto or by the lampholder
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/0091—Reflectors for light sources using total internal reflection
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR731324T | 1932-02-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR731324A true FR731324A (en) | 1932-09-01 |
Family
ID=9117844
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR731324D Expired FR731324A (en) | 1932-02-12 | 1932-02-12 | Reflector for incandescent electric lamps |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR731324A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2421057A (en) * | 1945-05-30 | 1947-05-27 | American Display Company | Adjustable reflector |
EP1831601A1 (en) * | 2004-12-03 | 2007-09-12 | Acuity Brands, Inc. | Luminaire reflector with light-modifying flange |
-
1932
- 1932-02-12 FR FR731324D patent/FR731324A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2421057A (en) * | 1945-05-30 | 1947-05-27 | American Display Company | Adjustable reflector |
EP1831601A1 (en) * | 2004-12-03 | 2007-09-12 | Acuity Brands, Inc. | Luminaire reflector with light-modifying flange |
EP1831601A4 (en) * | 2004-12-03 | 2008-02-20 | Acuity Brands Inc | Luminaire reflector with light-modifying flange |
US7850342B2 (en) | 2004-12-03 | 2010-12-14 | Abl Ip Holding Llc | Luminaire reflector with light-modifying flange |
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