JPS5023554A - - Google Patents
Info
- Publication number
- JPS5023554A JPS5023554A JP6198274A JP6198274A JPS5023554A JP S5023554 A JPS5023554 A JP S5023554A JP 6198274 A JP6198274 A JP 6198274A JP 6198274 A JP6198274 A JP 6198274A JP S5023554 A JPS5023554 A JP S5023554A
- 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
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
- H01J1/26—Supports for the emissive material
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7307855.A NL158647B (en) | 1973-06-06 | 1973-06-06 | OXYD CATHOD FOR AN ELECTRIC DISCHARGE TUBE. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5023554A true JPS5023554A (en) | 1975-03-13 |
| JPS5621212B2 JPS5621212B2 (en) | 1981-05-18 |
Family
ID=19819020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6198274A Expired JPS5621212B2 (en) | 1973-06-06 | 1974-06-03 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3911312A (en) |
| JP (1) | JPS5621212B2 (en) |
| CA (1) | CA1008914A (en) |
| DE (1) | DE2425337C3 (en) |
| ES (1) | ES426956A1 (en) |
| FR (1) | FR2232833B1 (en) |
| GB (1) | GB1470318A (en) |
| IT (1) | IT1014280B (en) |
| NL (1) | NL158647B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5351798U (en) * | 1976-10-02 | 1978-05-02 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51115765A (en) * | 1975-04-03 | 1976-10-12 | Sony Corp | Electron tube cathode apparatus |
| EP1385190A1 (en) * | 2002-07-24 | 2004-01-28 | Thomson Licensing S.A. | Oxide cathode for electron gun with a differentially doped metallic substrate |
| US7208864B2 (en) * | 2002-07-24 | 2007-04-24 | Thomson Licensing | Oxide cathode for electron gun with a differentially doped metallic substrate |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1107589A (en) * | 1954-06-18 | 1956-01-03 | Csf | Improvements to oxide cathode supports |
| FR1152810A (en) * | 1955-06-29 | 1958-02-26 | Philips Nv | Oxide cathode and process for preparing nickel alloys for their bottom coating |
| US3351486A (en) * | 1966-11-23 | 1967-11-07 | Sylvania Electric Prod | Cathodes |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2179110A (en) * | 1938-08-27 | 1939-11-07 | Rca Corp | Cathode for electron discharge devices |
| US2192491A (en) * | 1939-02-01 | 1940-03-05 | Rca Corp | Cathode for electron discharge devices |
| NL101694C (en) * | 1959-03-06 | |||
| US3099577A (en) * | 1960-08-24 | 1963-07-30 | Philips Corp | Method of manufacturing oxide cathodes and cathodes manufactured by such methods |
| GB1076229A (en) * | 1963-10-08 | 1967-07-19 | Sylvania Electric Prod | Cathodes |
-
1973
- 1973-06-06 NL NL7307855.A patent/NL158647B/en not_active IP Right Cessation
-
1974
- 1974-05-25 DE DE2425337A patent/DE2425337C3/en not_active Expired
- 1974-05-29 CA CA201,140A patent/CA1008914A/en not_active Expired
- 1974-05-30 US US474587A patent/US3911312A/en not_active Expired - Lifetime
- 1974-06-03 GB GB2440374A patent/GB1470318A/en not_active Expired
- 1974-06-03 IT IT68747/74A patent/IT1014280B/en active
- 1974-06-03 JP JP6198274A patent/JPS5621212B2/ja not_active Expired
- 1974-06-04 ES ES426956A patent/ES426956A1/en not_active Expired
- 1974-06-06 FR FR7419481A patent/FR2232833B1/fr not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1107589A (en) * | 1954-06-18 | 1956-01-03 | Csf | Improvements to oxide cathode supports |
| FR1152810A (en) * | 1955-06-29 | 1958-02-26 | Philips Nv | Oxide cathode and process for preparing nickel alloys for their bottom coating |
| US3351486A (en) * | 1966-11-23 | 1967-11-07 | Sylvania Electric Prod | Cathodes |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5351798U (en) * | 1976-10-02 | 1978-05-02 |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1470318A (en) | 1977-04-14 |
| NL7307855A (en) | 1974-12-10 |
| CA1008914A (en) | 1977-04-19 |
| ES426956A1 (en) | 1976-08-01 |
| IT1014280B (en) | 1977-04-20 |
| DE2425337C3 (en) | 1981-06-25 |
| NL158647B (en) | 1978-11-15 |
| FR2232833B1 (en) | 1978-12-29 |
| US3911312A (en) | 1975-10-07 |
| FR2232833A1 (en) | 1975-01-03 |
| JPS5621212B2 (en) | 1981-05-18 |
| DE2425337A1 (en) | 1975-01-02 |
| AU6971174A (en) | 1975-12-04 |
| DE2425337B2 (en) | 1978-04-27 |