FR2274139B1 - - Google Patents
Info
- Publication number
- FR2274139B1 FR2274139B1 FR7517960A FR7517960A FR2274139B1 FR 2274139 B1 FR2274139 B1 FR 2274139B1 FR 7517960 A FR7517960 A FR 7517960A FR 7517960 A FR7517960 A FR 7517960A FR 2274139 B1 FR2274139 B1 FR 2274139B1
- Authority
- FR
- France
- 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
-
- 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
- H01J61/827—Metal halide arc lamps
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB25471/74A GB1502612A (en) | 1974-06-07 | 1974-06-07 | Discharge lamps containing an inert gas and a metal halid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2274139A1 FR2274139A1 (fr) | 1976-01-02 |
| FR2274139B1 true FR2274139B1 (US06229276-20010508-P00022.png) | 1979-06-22 |
Family
ID=10228252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7517960A Granted FR2274139A1 (fr) | 1974-06-07 | 1975-06-09 | Lampe a decharge contenant un gaz inerte et un halogenure metallique |
Country Status (9)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6653801B1 (en) | 1979-11-06 | 2003-11-25 | Matsushita Electric Industrial Co., Ltd. | Mercury-free metal-halide lamp |
| JPS5691368A (en) * | 1979-12-24 | 1981-07-24 | Toshiba Corp | Metal halide lamp |
| US4783615A (en) * | 1985-06-26 | 1988-11-08 | General Electric Company | Electrodeless high pressure sodium iodide arc lamp |
| CA2297051C (en) * | 1997-08-05 | 2004-04-13 | Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh | Method for operating a direct current metal halogen arc lamp and circuit pertaining thereto |
| EP1032010A4 (en) * | 1998-09-16 | 2001-11-28 | Matsushita Electric Ind Co Ltd | ANHYDROUS SILVER HALIDE LAMP |
| US7847484B2 (en) * | 2004-12-20 | 2010-12-07 | General Electric Company | Mercury-free and sodium-free compositions and radiation source incorporating same |
| US7825598B2 (en) | 2004-12-20 | 2010-11-02 | General Electric Company | Mercury-free discharge compositions and lamps incorporating Titanium, Zirconium, and Hafnium |
| US7928669B2 (en) | 2008-02-08 | 2011-04-19 | General Electric Company | Color control of a discharge lamp during dimming |
-
1974
- 1974-06-07 GB GB25471/74A patent/GB1502612A/en not_active Expired
-
1975
- 1975-06-04 AU AU81853/75A patent/AU501780B2/en not_active Expired
- 1975-06-05 NL NL7506708A patent/NL7506708A/xx not_active Application Discontinuation
- 1975-06-06 JP JP50067687A patent/JPS5110682A/ja active Pending
- 1975-06-06 CA CA228,708A patent/CA1037097A/en not_active Expired
- 1975-06-06 DE DE2525408A patent/DE2525408C3/de not_active Expired
- 1975-06-06 IT IT24098/75A patent/IT1038753B/it active
- 1975-06-06 ZA ZA00753665A patent/ZA753665B/xx unknown
- 1975-06-09 FR FR7517960A patent/FR2274139A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| AU8185375A (en) | 1976-12-09 |
| AU501780B2 (en) | 1979-06-28 |
| DE2525408C3 (de) | 1980-02-28 |
| DE2525408B2 (de) | 1979-06-21 |
| GB1502612A (en) | 1978-03-01 |
| DE2525408A1 (de) | 1975-12-18 |
| IT1038753B (it) | 1979-11-30 |
| FR2274139A1 (fr) | 1976-01-02 |
| ZA753665B (en) | 1976-05-26 |
| JPS5110682A (US06229276-20010508-P00022.png) | 1976-01-28 |
| CA1037097A (en) | 1978-08-22 |
| NL7506708A (nl) | 1975-12-09 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |