GB1113407A - Improvements in electric projection lamps - Google Patents
Improvements in electric projection lampsInfo
- Publication number
- GB1113407A GB1113407A GB4926/66A GB492666A GB1113407A GB 1113407 A GB1113407 A GB 1113407A GB 4926/66 A GB4926/66 A GB 4926/66A GB 492666 A GB492666 A GB 492666A GB 1113407 A GB1113407 A GB 1113407A
- Authority
- GB
- United Kingdom
- Prior art keywords
- reflector
- bulb
- glass
- filament
- lamp
- 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
- 239000011521 glass Substances 0.000 abstract 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 2
- 239000011248 coating agent Substances 0.000 abstract 2
- 238000000576 coating method Methods 0.000 abstract 2
- 229910052709 silver Inorganic materials 0.000 abstract 2
- 239000004332 silver Substances 0.000 abstract 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 1
- 239000004411 aluminium Substances 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 239000010949 copper Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K7/00—Lamps for purposes other than general lighting
- H01K7/02—Lamps for purposes other than general lighting for producing a narrow beam of light; for approximating a point-like source of light, e.g. for searchlight, for cinematographic projector
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/28—Envelopes; Vessels
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US435589A US3325679A (en) | 1965-02-26 | 1965-02-26 | Electric projection lamp having specially configurated envelope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1113407A true GB1113407A (en) | 1968-05-15 |
Family
ID=23728998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4926/66A Expired GB1113407A (en) | 1965-02-26 | 1966-02-04 | Improvements in electric projection lamps |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3325679A (enrdf_load_html_response) |
| DE (1) | DE1299905B (enrdf_load_html_response) |
| GB (1) | GB1113407A (enrdf_load_html_response) |
| NL (1) | NL6602311A (enrdf_load_html_response) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3530326A (en) * | 1968-09-25 | 1970-09-22 | Westinghouse Electric Corp | Electric incandescent projection lamp having an improved dual-filament mount assembly,and method of making such assemblies |
| CN103762154A (zh) * | 2013-12-05 | 2014-04-30 | 詹云翔 | 一种检测用锥形灯具 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3070723A (en) * | 1960-01-21 | 1962-12-25 | Sylvania Electric Prod | Projection lamp |
-
1965
- 1965-02-26 US US435589A patent/US3325679A/en not_active Expired - Lifetime
-
1966
- 1966-02-04 GB GB4926/66A patent/GB1113407A/en not_active Expired
- 1966-02-17 DE DEG46060A patent/DE1299905B/de active Pending
- 1966-02-23 NL NL6602311A patent/NL6602311A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1299905B (de) | 1969-07-24 |
| NL6602311A (enrdf_load_html_response) | 1966-08-29 |
| US3325679A (en) | 1967-06-13 |
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