BE509019A - - Google Patents
Info
- Publication number
- BE509019A BE509019A BE509019DA BE509019A BE 509019 A BE509019 A BE 509019A BE 509019D A BE509019D A BE 509019DA BE 509019 A BE509019 A BE 509019A
- Authority
- BE
- Belgium
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
- H01J1/28—Dispenser-type cathodes, e.g. L-cathode
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL298304X | 1951-02-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE509019A true BE509019A (zh) |
Family
ID=19783092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE509019D BE509019A (zh) | 1951-02-08 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE509019A (zh) |
| CH (1) | CH298304A (zh) |
| FR (1) | FR1050568A (zh) |
| GB (1) | GB701871A (zh) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2880342A (en) * | 1956-10-25 | 1959-03-31 | Gen Dynamics Corp | Electron beam for a cathode ray tube |
| US2975322A (en) * | 1958-12-29 | 1961-03-14 | Raytheon Co | Indirectly heated cathodes |
| NL108689C (zh) * | 1959-01-23 | 1900-01-01 | ||
| NL8105921A (nl) * | 1981-12-31 | 1983-07-18 | Philips Nv | Televisiekamerabuis. |
| JPH11339633A (ja) * | 1997-11-04 | 1999-12-10 | Sony Corp | 含浸型陰極およびその製造方法、並びに電子銃および電子管 |
-
0
- BE BE509019D patent/BE509019A/xx unknown
-
1952
- 1952-02-05 GB GB3008/52A patent/GB701871A/en not_active Expired
- 1952-02-06 CH CH298304D patent/CH298304A/de unknown
- 1952-02-06 FR FR1050568D patent/FR1050568A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB701871A (en) | 1954-01-06 |
| FR1050568A (fr) | 1954-01-08 |
| CH298304A (de) | 1954-04-30 |