FR1000239A - Device for masking the light source in fluorescent tube lighting or the like - Google Patents
Device for masking the light source in fluorescent tube lighting or the likeInfo
- Publication number
- FR1000239A FR1000239A FR1000239DA FR1000239A FR 1000239 A FR1000239 A FR 1000239A FR 1000239D A FR1000239D A FR 1000239DA FR 1000239 A FR1000239 A FR 1000239A
- Authority
- FR
- France
- Prior art keywords
- masking
- light source
- fluorescent tube
- tube lighting
- 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
- F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1000239T | 1949-11-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1000239A true FR1000239A (en) | 1952-02-11 |
Family
ID=9560306
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1000239D Expired FR1000239A (en) | 1949-11-22 | 1949-11-22 | Device for masking the light source in fluorescent tube lighting or the like |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1000239A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1985003760A1 (en) * | 1984-02-22 | 1985-08-29 | Solar Armaturproduktion A/S | Luminaire with a rodlike lamp and lamella segment therefore |
EP2088363A1 (en) * | 2008-02-07 | 2009-08-12 | Dan Laursen | A lamp shade made of a spiral coil spring |
-
1949
- 1949-11-22 FR FR1000239D patent/FR1000239A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1985003760A1 (en) * | 1984-02-22 | 1985-08-29 | Solar Armaturproduktion A/S | Luminaire with a rodlike lamp and lamella segment therefore |
EP2088363A1 (en) * | 2008-02-07 | 2009-08-12 | Dan Laursen | A lamp shade made of a spiral coil spring |
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