FR1050568A - Tube électronique - Google Patents
Tube électroniqueInfo
- Publication number
- FR1050568A FR1050568A FR1050568DA FR1050568A FR 1050568 A FR1050568 A FR 1050568A FR 1050568D A FR1050568D A FR 1050568DA FR 1050568 A FR1050568 A FR 1050568A
- Authority
- FR
- France
- Prior art keywords
- electron tube
- electron
- tube
- Prior art date
- 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
- 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 |
---|---|
FR1050568A true FR1050568A (fr) | 1954-01-08 |
Family
ID=19783092
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1050568D Expired FR1050568A (fr) | 1951-02-08 | 1952-02-06 | Tube électronique |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE509019A (de) |
CH (1) | CH298304A (de) |
FR (1) | FR1050568A (de) |
GB (1) | GB701871A (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0156450A2 (de) * | 1981-12-31 | 1985-10-02 | Koninklijke Philips Electronics N.V. | Vorratskathode und Verfahren zum Herstellen derselben |
EP0915492A1 (de) * | 1997-11-04 | 1999-05-12 | Sony Corporation | Imprägnierte Kathode und Verfahren zu ihrer Herstellung,Elektronenkanone und - röhre |
Families Citing this family (3)
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 (de) * | 1959-01-23 | 1900-01-01 |
-
0
- BE BE509019D patent/BE509019A/xx unknown
-
1952
- 1952-02-05 GB GB3008/52A patent/GB701871A/en not_active Expired
- 1952-02-06 FR FR1050568D patent/FR1050568A/fr not_active Expired
- 1952-02-06 CH CH298304D patent/CH298304A/de unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0156450A2 (de) * | 1981-12-31 | 1985-10-02 | Koninklijke Philips Electronics N.V. | Vorratskathode und Verfahren zum Herstellen derselben |
EP0156450A3 (en) * | 1981-12-31 | 1986-01-08 | N.V. Philips' Gloeilampenfabrieken | Method of manufacturing a dispenser cathode |
EP0915492A1 (de) * | 1997-11-04 | 1999-05-12 | Sony Corporation | Imprägnierte Kathode und Verfahren zu ihrer Herstellung,Elektronenkanone und - röhre |
Also Published As
Publication number | Publication date |
---|---|
GB701871A (en) | 1954-01-06 |
BE509019A (de) | |
CH298304A (de) | 1954-04-30 |
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