GB1227810A - - Google Patents
Info
- Publication number
- GB1227810A GB1227810A GB1227810DA GB1227810A GB 1227810 A GB1227810 A GB 1227810A GB 1227810D A GB1227810D A GB 1227810DA GB 1227810 A GB1227810 A GB 1227810A
- Authority
- GB
- United Kingdom
- Prior art keywords
- envelope
- wire
- silica
- discharge
- oct
- 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
- H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4824568 | 1968-10-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1227810A true GB1227810A (de) | 1971-04-07 |
Family
ID=10447898
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1227810D Expired GB1227810A (de) | 1968-10-11 | 1968-10-11 |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1227810A (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2462778A1 (fr) * | 1979-08-01 | 1981-02-13 | Gen Electric | Lampe a decharge comportant un ecran en materiau vitreux |
US4491766A (en) * | 1982-06-24 | 1985-01-01 | North American Philips Lighting Corporation | High pressure electric discharge lamp employing a metal spiral with positive potential |
EP0449639A2 (de) * | 1990-03-29 | 1991-10-02 | Hubbell Incorporated | Vorspannungssystem zur Verminderung des Ionenverlustes in Lampen |
WO1991018413A1 (en) * | 1990-05-22 | 1991-11-28 | Gte Products Corporation | Arc discharge lamp having reduced sodium loss |
US5235256A (en) * | 1990-03-29 | 1993-08-10 | Hubbell Incorporated | Biasing system for controlling chemical concentration in lamps |
-
1968
- 1968-10-11 GB GB1227810D patent/GB1227810A/en not_active Expired
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2462778A1 (fr) * | 1979-08-01 | 1981-02-13 | Gen Electric | Lampe a decharge comportant un ecran en materiau vitreux |
US4491766A (en) * | 1982-06-24 | 1985-01-01 | North American Philips Lighting Corporation | High pressure electric discharge lamp employing a metal spiral with positive potential |
EP0449639A2 (de) * | 1990-03-29 | 1991-10-02 | Hubbell Incorporated | Vorspannungssystem zur Verminderung des Ionenverlustes in Lampen |
EP0449639A3 (en) * | 1990-03-29 | 1992-05-06 | Hubbell Incorporated | Biasing system for reducing ion loss in lamps |
US5235256A (en) * | 1990-03-29 | 1993-08-10 | Hubbell Incorporated | Biasing system for controlling chemical concentration in lamps |
WO1991018413A1 (en) * | 1990-05-22 | 1991-11-28 | Gte Products Corporation | Arc discharge lamp having reduced sodium loss |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |