NL7014337A - - Google Patents
Info
- Publication number
- NL7014337A NL7014337A NL7014337A NL7014337A NL7014337A NL 7014337 A NL7014337 A NL 7014337A NL 7014337 A NL7014337 A NL 7014337A NL 7014337 A NL7014337 A NL 7014337A NL 7014337 A NL7014337 A NL 7014337A
- Authority
- NL
- Netherlands
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
- H01J1/15—Cathodes heated directly by an electric current
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7014337A NL7014337A (https=) | 1970-09-30 | 1970-09-30 | |
| DE2144710A DE2144710C3 (de) | 1970-09-30 | 1971-09-07 | Direkt heizbare Oxydkathode |
| US182379A US3694688A (en) | 1970-09-30 | 1971-09-21 | Directly heated oxide cathode |
| GB4482571A GB1302140A (https=) | 1970-09-30 | 1971-09-27 | |
| JP7472971A JPS5345667B1 (https=) | 1970-09-30 | 1971-09-27 | |
| CA123717A CA934433A (en) | 1970-09-30 | 1971-09-27 | Directly heated oxide cathode |
| FR7135172A FR2108725A5 (https=) | 1970-09-30 | 1971-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7014337A NL7014337A (https=) | 1970-09-30 | 1970-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7014337A true NL7014337A (https=) | 1972-04-05 |
Family
ID=19811188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7014337A NL7014337A (https=) | 1970-09-30 | 1970-09-30 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3694688A (https=) |
| JP (1) | JPS5345667B1 (https=) |
| CA (1) | CA934433A (https=) |
| DE (1) | DE2144710C3 (https=) |
| FR (1) | FR2108725A5 (https=) |
| GB (1) | GB1302140A (https=) |
| NL (1) | NL7014337A (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52108770A (en) * | 1976-03-09 | 1977-09-12 | Hitachi Ltd | Manufacture for direct heat type cathode |
| JPS536560A (en) * | 1976-07-07 | 1978-01-21 | Hitachi Ltd | Manufacture of cathode for direct heating type cathode ray tube |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3441767A (en) * | 1967-02-01 | 1969-04-29 | Sylvania Electric Prod | Tensioned directly heated cathode having improved temperature characteristics |
| US3440474A (en) * | 1967-02-01 | 1969-04-22 | Sylvania Electric Prod | Resilient means for supporting a directly heated planar cathode |
-
1970
- 1970-09-30 NL NL7014337A patent/NL7014337A/xx unknown
-
1971
- 1971-09-07 DE DE2144710A patent/DE2144710C3/de not_active Expired
- 1971-09-21 US US182379A patent/US3694688A/en not_active Expired - Lifetime
- 1971-09-27 CA CA123717A patent/CA934433A/en not_active Expired
- 1971-09-27 GB GB4482571A patent/GB1302140A/en not_active Expired
- 1971-09-27 JP JP7472971A patent/JPS5345667B1/ja active Pending
- 1971-09-30 FR FR7135172A patent/FR2108725A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2144710B2 (de) | 1978-03-23 |
| FR2108725A5 (https=) | 1972-05-19 |
| CA934433A (en) | 1973-09-25 |
| US3694688A (en) | 1972-09-26 |
| DE2144710A1 (de) | 1972-04-06 |
| GB1302140A (https=) | 1973-01-04 |
| JPS5345667B1 (https=) | 1978-12-08 |
| DE2144710C3 (de) | 1978-12-14 |