GB233173A - Improvements in and relating to reflectors for lamps - Google Patents
Improvements in and relating to reflectors for lampsInfo
- Publication number
- GB233173A GB233173A GB1443224A GB1443224A GB233173A GB 233173 A GB233173 A GB 233173A GB 1443224 A GB1443224 A GB 1443224A GB 1443224 A GB1443224 A GB 1443224A GB 233173 A GB233173 A GB 233173A
- Authority
- GB
- United Kingdom
- Prior art keywords
- reflector
- lamps
- white material
- reflectors
- relating
- 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)
- Optical Elements Other Than Lenses (AREA)
Abstract
233,173. Williams, E. T., and Chatten, W. H. June 14,1924. Ceiling and like overhead lamps.-An overhead lamp for workshops &c. comprises an outer reflector 1, preferably of angle type and of parabolic, elliptical, or other cross-section, and an inner reflector 5 arranged substantially vertically and extending only round the front and sides of the source of light, the upper edge, of the reflector- 5 being approximately on a level with or slightly below the light source. The lower front edge 1<a> of the outer reflector may be higher than the lower rear edge and the inner reflector may consist of a metal strip bent to a semicircle, and supported by rods within the outer reflector. The exterior surface of the inner reflector may be coated with a white material, or the reflector may be made of white material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1443224A GB233173A (en) | 1924-06-14 | 1924-06-14 | Improvements in and relating to reflectors for lamps |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1443224A GB233173A (en) | 1924-06-14 | 1924-06-14 | Improvements in and relating to reflectors for lamps |
Publications (1)
Publication Number | Publication Date |
---|---|
GB233173A true GB233173A (en) | 1925-05-07 |
Family
ID=10041099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1443224A Expired GB233173A (en) | 1924-06-14 | 1924-06-14 | Improvements in and relating to reflectors for lamps |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB233173A (en) |
-
1924
- 1924-06-14 GB GB1443224A patent/GB233173A/en not_active Expired
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