JPS6257070B2 - - Google Patents
Info
- Publication number
- JPS6257070B2 JPS6257070B2 JP54147919A JP14791979A JPS6257070B2 JP S6257070 B2 JPS6257070 B2 JP S6257070B2 JP 54147919 A JP54147919 A JP 54147919A JP 14791979 A JP14791979 A JP 14791979A JP S6257070 B2 JPS6257070 B2 JP S6257070B2
- Authority
- JP
- Japan
- Prior art keywords
- tube
- diameter
- inner diameter
- flickering
- lamp
- 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
- H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
- H01J61/16—Selection of substances for gas fillings; Specified operating pressure or temperature having helium, argon, neon, krypton, or xenon as the principle constituent
Landscapes
- Discharge Lamp (AREA)
- Discharge Lamps And Accessories Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14791979A JPS5671268A (en) | 1979-11-14 | 1979-11-14 | Ring-shaped fluorescent lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14791979A JPS5671268A (en) | 1979-11-14 | 1979-11-14 | Ring-shaped fluorescent lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5671268A JPS5671268A (en) | 1981-06-13 |
| JPS6257070B2 true JPS6257070B2 (enExample) | 1987-11-28 |
Family
ID=15441054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14791979A Granted JPS5671268A (en) | 1979-11-14 | 1979-11-14 | Ring-shaped fluorescent lamp |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5671268A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002324513A (ja) | 2001-04-25 | 2002-11-08 | Nec Lighting Ltd | 環形蛍光ランプ及び照明器具 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54108587U (enExample) * | 1978-01-18 | 1979-07-31 |
-
1979
- 1979-11-14 JP JP14791979A patent/JPS5671268A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5671268A (en) | 1981-06-13 |
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