GB445215A - Improvements in electric high-pressure metal-vapour discharge lamps and like electric discharge devices - Google Patents
Improvements in electric high-pressure metal-vapour discharge lamps and like electric discharge devicesInfo
- Publication number
- GB445215A GB445215A GB3615034A GB3615034A GB445215A GB 445215 A GB445215 A GB 445215A GB 3615034 A GB3615034 A GB 3615034A GB 3615034 A GB3615034 A GB 3615034A GB 445215 A GB445215 A GB 445215A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electric
- pressure metal
- discharge lamps
- vapour
- discharge devices
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/30—Vessels; Containers
- H01J61/34—Double-wall vessels or containers
Landscapes
- Discharge Lamps And Accessories Thereof (AREA)
- Discharge Lamp (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP70441D DE630536C (de) | 1934-12-08 | 1934-12-08 | Elektrische Hochdruckmetalldampflampe |
Publications (1)
Publication Number | Publication Date |
---|---|
GB445215A true GB445215A (en) | 1936-04-06 |
Family
ID=10385450
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3615034A Expired GB445215A (en) | 1934-12-08 | 1934-12-17 | Improvements in electric high-pressure metal-vapour discharge lamps and like electric discharge devices |
Country Status (5)
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4156830A (en) * | 1975-05-13 | 1979-05-29 | Duro-Test Corp. | High intensity discharge lamp with integral means for arc extinguishing |
US4208614A (en) * | 1975-05-13 | 1980-06-17 | Duro-Test Corp. | High intensity discharge lamp with integral means for arc extinguishing |
US4221993A (en) * | 1976-03-22 | 1980-09-09 | General Electric Company | Discharge lamp having mechanical disconnect guard against jacket failure |
US4090105A (en) * | 1976-04-15 | 1978-05-16 | Duro-Test Corporation | High intensity discharge lamp with multiple filament to extinguish lamp when outer envelope breaks |
AU557488B2 (en) * | 1984-05-04 | 1986-12-24 | Toshiba, Kabushiki Kaisha | High-pressure metal vapour discharge lamp |
US5327046A (en) * | 1990-12-12 | 1994-07-05 | North American Philips Corporation | High pressure discharge lamp having overcurrent fuse protection |
-
1934
- 1934-12-08 DE DEP70441D patent/DE630536C/de not_active Expired
- 1934-12-17 GB GB3615034A patent/GB445215A/en not_active Expired
-
1935
- 1935-11-11 NL NL75478A patent/NL41612C/xx active
- 1935-11-12 FR FR797624D patent/FR797624A/fr not_active Expired
- 1935-11-13 BE BE412260D patent/BE412260A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE630536C (de) | 1936-05-29 |
BE412260A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1936-12-31 |
FR797624A (fr) | 1936-05-01 |
NL41612C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1937-09-15 |
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