GB190906836A - Improvements in Electric Light Reflectors for Concentrating Light. - Google Patents
Improvements in Electric Light Reflectors for Concentrating Light.Info
- Publication number
- GB190906836A GB190906836A GB190906836DA GB190906836A GB 190906836 A GB190906836 A GB 190906836A GB 190906836D A GB190906836D A GB 190906836DA GB 190906836 A GB190906836 A GB 190906836A
- Authority
- GB
- United Kingdom
- Prior art keywords
- light
- concentrating
- reflectors
- electric
- electric light
- 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
- F21V11/02—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using parallel laminae or strips, e.g. of Venetian-blind type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/30—Lighting for domestic or personal use
- F21W2131/304—Lighting for domestic or personal use for pictures
-
- 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 |
---|---|---|---|
GB190906836T | 1909-03-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB190906836A true GB190906836A (en) | 1910-03-17 |
Family
ID=32490651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB190906836D Expired GB190906836A (en) | 1909-03-22 | 1909-03-22 | Improvements in Electric Light Reflectors for Concentrating Light. |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB190906836A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0017146A1 (en) * | 1979-03-30 | 1980-10-15 | Siemens Aktiengesellschaft | Table lamp for fluorescent tubes |
EP0054922A1 (en) * | 1980-12-17 | 1982-06-30 | Esquire Inc. | Internal shield for trough-like reflector |
-
1909
- 1909-03-22 GB GB190906836D patent/GB190906836A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0017146A1 (en) * | 1979-03-30 | 1980-10-15 | Siemens Aktiengesellschaft | Table lamp for fluorescent tubes |
EP0054922A1 (en) * | 1980-12-17 | 1982-06-30 | Esquire Inc. | Internal shield for trough-like reflector |
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