FR2214968B1 - - Google Patents
Info
- Publication number
- FR2214968B1 FR2214968B1 FR7402283A FR7402283A FR2214968B1 FR 2214968 B1 FR2214968 B1 FR 2214968B1 FR 7402283 A FR7402283 A FR 7402283A FR 7402283 A FR7402283 A FR 7402283A FR 2214968 B1 FR2214968 B1 FR 2214968B1
- 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
- H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB346973A GB1444023A (en) | 1973-01-23 | 1973-01-23 | Electric discharge lamps |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2214968A1 FR2214968A1 (en) | 1974-08-19 |
| FR2214968B1 true FR2214968B1 (en) | 1978-10-27 |
Family
ID=9758912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7402283A Expired FR2214968B1 (en) | 1973-01-23 | 1974-01-23 |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US3867664A (en) |
| JP (1) | JPS5837662B2 (en) |
| BE (1) | BE810033A (en) |
| CA (1) | CA988988A (en) |
| DE (1) | DE2402760C3 (en) |
| DK (1) | DK138969B (en) |
| FR (1) | FR2214968B1 (en) |
| GB (1) | GB1444023A (en) |
| IE (1) | IE38771B1 (en) |
| IT (1) | IT1003493B (en) |
| LU (1) | LU69211A1 (en) |
| NL (1) | NL182925C (en) |
| SE (1) | SE383228B (en) |
| ZA (1) | ZA74411B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2422411A1 (en) * | 1974-05-09 | 1975-12-11 | Philips Patentverwaltung | HIGH PRESSURE MERCURY VAPOR DISCHARGE LAMP |
| US4135110A (en) * | 1975-02-13 | 1979-01-16 | Thorn Electrical Industries Limited | Electrical discharge lamp |
| DE2826733C2 (en) * | 1977-07-05 | 1982-07-29 | General Electric Co., Schenectady, N.Y. | High pressure metal halide discharge lamp |
| GB2133925B (en) * | 1982-12-29 | 1987-02-18 | Gen Electric | Control of radial distributions in high intensity discharge lamps |
| US4591759A (en) * | 1984-09-10 | 1986-05-27 | General Electric Company | Ingredients for solenoidal metal halide arc lamps |
| US4705987A (en) * | 1985-10-03 | 1987-11-10 | The United States Of America As Represented By The United States Department Of Energy | Very high efficacy electrodeless high intensity discharge lamps |
| US6157141A (en) * | 1998-05-05 | 2000-12-05 | Osram Sylvania Inc. | Blue light electrodeless high intensity discharge lamp system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2102866A5 (en) * | 1970-08-27 | 1972-04-07 | Eclairage Lab | |
| US3771009A (en) * | 1971-12-27 | 1973-11-06 | Gte Laboratories Inc | Electrode discharge device with electrode-activating fill |
-
1973
- 1973-01-23 GB GB346973A patent/GB1444023A/en not_active Expired
-
1974
- 1974-01-18 IE IE115/74A patent/IE38771B1/en unknown
- 1974-01-18 CA CA190,463A patent/CA988988A/en not_active Expired
- 1974-01-21 ZA ZA740411A patent/ZA74411B/en unknown
- 1974-01-21 LU LU69211A patent/LU69211A1/xx unknown
- 1974-01-21 US US434927A patent/US3867664A/en not_active Expired - Lifetime
- 1974-01-22 DE DE2402760A patent/DE2402760C3/en not_active Expired
- 1974-01-22 SE SE7400810A patent/SE383228B/en not_active IP Right Cessation
- 1974-01-22 BE BE140068A patent/BE810033A/en unknown
- 1974-01-22 JP JP49009062A patent/JPS5837662B2/en not_active Expired
- 1974-01-23 DK DK36374AA patent/DK138969B/en unknown
- 1974-01-23 NL NLAANVRAGE7400944,A patent/NL182925C/en not_active IP Right Cessation
- 1974-01-23 IT IT19697/74A patent/IT1003493B/en active
- 1974-01-23 FR FR7402283A patent/FR2214968B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IE38771L (en) | 1974-07-23 |
| GB1444023A (en) | 1976-07-28 |
| JPS5837662B2 (en) | 1983-08-17 |
| LU69211A1 (en) | 1974-04-08 |
| ZA74411B (en) | 1974-11-27 |
| SE383228B (en) | 1976-03-01 |
| DK138969B (en) | 1978-11-20 |
| CA988988A (en) | 1976-05-11 |
| NL182925C (en) | 1988-06-01 |
| NL7400944A (en) | 1974-07-25 |
| AU6481974A (en) | 1975-07-24 |
| IE38771B1 (en) | 1978-05-24 |
| DK138969C (en) | 1979-05-28 |
| BE810033A (en) | 1974-05-16 |
| US3867664A (en) | 1975-02-18 |
| FR2214968A1 (en) | 1974-08-19 |
| DE2402760A1 (en) | 1974-07-25 |
| DE2402760C3 (en) | 1980-01-31 |
| JPS49104479A (en) | 1974-10-03 |
| DE2402760B2 (en) | 1979-05-31 |
| IT1003493B (en) | 1976-06-10 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |