JPS569959A - Metal halide lamp - Google Patents
Metal halide lampInfo
- Publication number
- JPS569959A JPS569959A JP8494579A JP8494579A JPS569959A JP S569959 A JPS569959 A JP S569959A JP 8494579 A JP8494579 A JP 8494579A JP 8494579 A JP8494579 A JP 8494579A JP S569959 A JPS569959 A JP S569959A
- Authority
- JP
- Japan
- Prior art keywords
- ring
- luminous bulb
- metal halide
- halide lamp
- main electrodes
- 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.)
- Granted
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
- H01J61/04—Electrodes; Screens; Shields
- H01J61/10—Shields, screens, or guides for influencing the discharge
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
Abstract
PURPOSE:To prevent the occurrence of snake phenomenon of arc nearly completely by a simple constitution of an additional provision of a ring in a luminous bulb. CONSTITUTION:Between main electrodes 2 and 3 in a luminous bulb 1, is supported by means of a support rod 6 a ring 5 having an inner diameter of 12mm. and made of a tungsten wire of 0.5mm. in diameter spacedly from the inner wall of the luminous bulb 1. The ring 5 is installed so as to enclose the arc formed between the main electrodes 2 and 3. At the side of the main electrode 2, an auxiliary electrode 4 is installed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8494579A JPS569959A (en) | 1979-07-06 | 1979-07-06 | Metal halide lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8494579A JPS569959A (en) | 1979-07-06 | 1979-07-06 | Metal halide lamp |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS569959A true JPS569959A (en) | 1981-01-31 |
JPS643027B2 JPS643027B2 (en) | 1989-01-19 |
Family
ID=13844776
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8494579A Granted JPS569959A (en) | 1979-07-06 | 1979-07-06 | Metal halide lamp |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS569959A (en) |
-
1979
- 1979-07-06 JP JP8494579A patent/JPS569959A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS643027B2 (en) | 1989-01-19 |
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