JPS51148991A - Metal steam discharge lamp - Google Patents
Metal steam discharge lampInfo
- Publication number
- JPS51148991A JPS51148991A JP7268775A JP7268775A JPS51148991A JP S51148991 A JPS51148991 A JP S51148991A JP 7268775 A JP7268775 A JP 7268775A JP 7268775 A JP7268775 A JP 7268775A JP S51148991 A JPS51148991 A JP S51148991A
- Authority
- JP
- Japan
- Prior art keywords
- discharge lamp
- steam discharge
- metal steam
- halogenide
- enclosed
- 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.)
- Pending
Links
Abstract
PURPOSE: Particular combination of rare earth metals and the halogenide of alkali metal are added and enclosed in a given range to improve color rendition and light-emitting efficiency without causing unsteady discharging condition.
COPYRIGHT: (C)1976,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7268775A JPS51148991A (en) | 1975-06-17 | 1975-06-17 | Metal steam discharge lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7268775A JPS51148991A (en) | 1975-06-17 | 1975-06-17 | Metal steam discharge lamp |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS51148991A true JPS51148991A (en) | 1976-12-21 |
Family
ID=13496519
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7268775A Pending JPS51148991A (en) | 1975-06-17 | 1975-06-17 | Metal steam discharge lamp |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS51148991A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0949657A2 (en) * | 1998-04-08 | 1999-10-13 | Ushiodenki Kabushiki Kaisha | High pressure mercury lamp |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4941875A (en) * | 1972-08-30 | 1974-04-19 |
-
1975
- 1975-06-17 JP JP7268775A patent/JPS51148991A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4941875A (en) * | 1972-08-30 | 1974-04-19 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0949657A2 (en) * | 1998-04-08 | 1999-10-13 | Ushiodenki Kabushiki Kaisha | High pressure mercury lamp |
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