BE697244A - - Google Patents
Info
- Publication number
- BE697244A BE697244A BE697244DA BE697244A BE 697244 A BE697244 A BE 697244A BE 697244D A BE697244D A BE 697244DA BE 697244 A BE697244 A BE 697244A
- Authority
- BE
- Belgium
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
- H01J61/06—Main electrodes
- H01J61/073—Main electrodes for high-pressure discharge lamps
- H01J61/0735—Main electrodes for high-pressure discharge lamps characterised by the material of the electrode
- H01J61/0737—Main electrodes for high-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2563166 | 1966-04-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE697244A true BE697244A (en:Method) | 1967-10-02 |
Family
ID=12171199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE697244D BE697244A (en:Method) | 1966-04-20 | 1967-04-19 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3427492A (en:Method) |
| BE (1) | BE697244A (en:Method) |
| DE (1) | DE1589231B2 (en:Method) |
| GB (1) | GB1178052A (en:Method) |
| NL (1) | NL146637B (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3505553A (en) * | 1966-05-12 | 1970-04-07 | Philips Corp | Radio-interference-free low-pressure mercury-vapor lamp |
| US5834895A (en) * | 1990-10-25 | 1998-11-10 | Fusion Lighting, Inc. | Visible lamp including selenium |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2473358A (en) * | 1946-08-23 | 1949-06-14 | Raytheon Mfg Co | Cathode coating for electron discharge devices |
| US2820920A (en) * | 1952-09-17 | 1958-01-21 | Claude Ets | Manufacture of coated electrodes |
| BE526330A (en:Method) * | 1953-02-09 | |||
| US2849637A (en) * | 1956-02-02 | 1958-08-26 | Weiss Harry | Electrode for fluorescent lamp |
| US3312856A (en) * | 1963-03-26 | 1967-04-04 | Gen Electric | Rhenium supported metallic boride cathode emitters |
-
1967
- 1967-04-12 GB GB06719/67A patent/GB1178052A/en not_active Expired
- 1967-04-17 US US631258A patent/US3427492A/en not_active Expired - Lifetime
- 1967-04-17 NL NL676705394A patent/NL146637B/xx unknown
- 1967-04-19 BE BE697244D patent/BE697244A/xx unknown
- 1967-04-20 DE DE19671589231 patent/DE1589231B2/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| US3427492A (en) | 1969-02-11 |
| NL146637B (nl) | 1975-07-15 |
| NL6705394A (en:Method) | 1967-10-23 |
| GB1178052A (en) | 1970-01-14 |
| DE1589231A1 (de) | 1970-09-10 |
| DE1589231B2 (de) | 1971-09-30 |