GB547906A - Improvements in and relating to lighting units or projectors - Google Patents
Improvements in and relating to lighting units or projectorsInfo
- Publication number
- GB547906A GB547906A GB16283/40A GB1628340A GB547906A GB 547906 A GB547906 A GB 547906A GB 16283/40 A GB16283/40 A GB 16283/40A GB 1628340 A GB1628340 A GB 1628340A GB 547906 A GB547906 A GB 547906A
- Authority
- GB
- United Kingdom
- Prior art keywords
- projectors
- relating
- lighting units
- comptroller
- windsor
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/24—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments for lighting other areas than only the way ahead
- B60Q1/245—Searchlights, e.g. adjustable from within the vehicle
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
547,906. Spotlights &c. HEALD, I. M., and BOWEN, E. WINDSOR-. Nov. 9, 1940, No. 16283. [Class 75 (ii)] A spotlight &c. comprises a parabolic reflector 2 at the focus of which is an electric lamp 1 in front of which is a concentric spherical reflector 6 having an aperture 5 in front of which is a lens 8. Reference has been directed by the Comptroller to Specification 534,814.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB16283/40A GB547906A (en) | 1940-11-09 | 1940-11-09 | Improvements in and relating to lighting units or projectors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB16283/40A GB547906A (en) | 1940-11-09 | 1940-11-09 | Improvements in and relating to lighting units or projectors |
Publications (1)
Publication Number | Publication Date |
---|---|
GB547906A true GB547906A (en) | 1942-09-17 |
Family
ID=10074524
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB16283/40A Expired GB547906A (en) | 1940-11-09 | 1940-11-09 | Improvements in and relating to lighting units or projectors |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB547906A (en) |
-
1940
- 1940-11-09 GB GB16283/40A patent/GB547906A/en not_active Expired
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