JPS572567U - - Google Patents
Info
- Publication number
- JPS572567U JPS572567U JP8369981U JP8369981U JPS572567U JP S572567 U JPS572567 U JP S572567U JP 8369981 U JP8369981 U JP 8369981U JP 8369981 U JP8369981 U JP 8369981U JP S572567 U JPS572567 U JP S572567U
- Authority
- JP
- Japan
- 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
- H01J61/30—Vessels; Containers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/82—Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr
- H01J61/825—High-pressure sodium lamps
Landscapes
- Discharge Lamps And Accessories Thereof (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Discharge Lamp (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15699680A | 1980-06-06 | 1980-06-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS572567U true JPS572567U (https=) | 1982-01-07 |
| JPH0211717Y2 JPH0211717Y2 (https=) | 1990-03-28 |
Family
ID=22561939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1981083699U Expired JPH0211717Y2 (https=) | 1980-06-06 | 1981-06-05 |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0041721B1 (https=) |
| JP (1) | JPH0211717Y2 (https=) |
| CA (1) | CA1203559A (https=) |
| DE (1) | DE3169958D1 (https=) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1266181A (fr) * | 1960-08-26 | 1961-07-07 | Lampes Sa | Lampes à décharge à enveloppe en alumine transparente |
| JPS5710543B2 (https=) * | 1972-03-16 | 1982-02-26 | ||
| US3906272A (en) * | 1974-04-01 | 1975-09-16 | Gen Electric | Low wattage high pressure sodium vapor lamps |
| GB1597162A (en) * | 1977-03-10 | 1981-09-03 | Ngk Insulators Ltd | Transparent polycrystalline alumina and high pressure vapour discharge lamp |
-
1981
- 1981-05-07 CA CA000377021A patent/CA1203559A/en not_active Expired
- 1981-06-05 JP JP1981083699U patent/JPH0211717Y2/ja not_active Expired
- 1981-06-06 EP EP19810104390 patent/EP0041721B1/en not_active Expired
- 1981-06-06 DE DE8181104390T patent/DE3169958D1/de not_active Expired
Non-Patent Citations (1)
| Title |
|---|
| NATIONAL TECHNICAL REPORT=1977 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0041721B1 (en) | 1985-04-17 |
| EP0041721A3 (en) | 1982-09-15 |
| DE3169958D1 (en) | 1985-05-23 |
| CA1203559A (en) | 1986-04-22 |
| JPH0211717Y2 (https=) | 1990-03-28 |
| EP0041721A2 (en) | 1981-12-16 |