NL177639C - HIGH PRESSURE SODIUM VAPOR DISCHARGE LAMP. - Google Patents
HIGH PRESSURE SODIUM VAPOR DISCHARGE LAMP.Info
- Publication number
- NL177639C NL177639C NL7907437A NL7907437A NL177639C NL 177639 C NL177639 C NL 177639C NL 7907437 A NL7907437 A NL 7907437A NL 7907437 A NL7907437 A NL 7907437A NL 177639 C NL177639 C NL 177639C
- Authority
- NL
- Netherlands
- Prior art keywords
- high pressure
- discharge lamp
- vapor discharge
- pressure sodium
- sodium vapor
- Prior art date
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
- H01J61/54—Igniting arrangements, e.g. promoting ionisation for starting
- H01J61/547—Igniting arrangements, e.g. promoting ionisation for starting using an auxiliary electrode outside the vessel
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7907437A NL177639C (en) | 1979-10-08 | 1979-10-08 | HIGH PRESSURE SODIUM VAPOR DISCHARGE LAMP. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7907437A NL177639C (en) | 1979-10-08 | 1979-10-08 | HIGH PRESSURE SODIUM VAPOR DISCHARGE LAMP. |
NL7907437 | 1979-10-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
NL7907437A NL7907437A (en) | 1981-04-10 |
NL177639C true NL177639C (en) | 1985-10-16 |
Family
ID=19833976
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7907437A NL177639C (en) | 1979-10-08 | 1979-10-08 | HIGH PRESSURE SODIUM VAPOR DISCHARGE LAMP. |
Country Status (1)
Country | Link |
---|---|
NL (1) | NL177639C (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8104282A (en) * | 1981-09-17 | 1983-04-18 | Philips Nv | HIGH PRESSURE METAL VAPOR DISCHARGE LAMP. |
-
1979
- 1979-10-08 NL NL7907437A patent/NL177639C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NL7907437A (en) | 1981-04-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A1C | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
V1 | Lapsed because of non-payment of the annual fee |
Effective date: 19970501 |