FR2353949B1 - - Google Patents
Info
- Publication number
- FR2353949B1 FR2353949B1 FR7716296A FR7716296A FR2353949B1 FR 2353949 B1 FR2353949 B1 FR 2353949B1 FR 7716296 A FR7716296 A FR 7716296A FR 7716296 A FR7716296 A FR 7716296A FR 2353949 B1 FR2353949 B1 FR 2353949B1
- Authority
- FR
- France
- 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
- H01J21/00—Vacuum tubes
- H01J21/02—Tubes with a single discharge path
- H01J21/06—Tubes with a single discharge path having electrostatic control means only
- H01J21/10—Tubes with a single discharge path having electrostatic control means only with one or more immovable internal control electrodes, e.g. triode, pentode, octode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
- H01J19/02—Electron-emitting electrodes; Cathodes
- H01J19/04—Thermionic cathodes
- H01J19/10—Thermionic cathodes characterised by the shape
- H01J19/12—Supports; Vibration-damping arrangements
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19762625021 DE2625021C3 (de) | 1976-06-03 | 1976-06-03 | Elektronenröhre, insbesondere Senderöhre |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2353949A1 FR2353949A1 (fr) | 1977-12-30 |
FR2353949B1 true FR2353949B1 (US20040232935A1-20041125-M00001.png) | 1982-04-16 |
Family
ID=5979762
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7716296A Granted FR2353949A1 (fr) | 1976-06-03 | 1977-05-27 | Tube electronique, notamment tube emetteur |
Country Status (5)
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2838020C3 (de) * | 1978-08-31 | 1987-06-19 | Siemens AG, 1000 Berlin und 8000 München | Direkt geheizte Kathode für Senderöhren mit koaxialem Aufbau der Elektroden |
DE3027756C2 (de) * | 1980-07-22 | 1982-10-28 | Siemens AG, 1000 Berlin und 8000 München | Elektronenröhre mit koaxialem Aufbau der zylinder- bzw. zylindermantelförmigen Kathode, Gitter und Anode mit einer Einrichtung zur Beseitigung störender Bremsfeldschwingungen |
GB2176337B (en) * | 1985-06-04 | 1990-02-14 | English Electric Valve Co Ltd | Metal vapour laser apparatus |
-
1976
- 1976-06-03 DE DE19762625021 patent/DE2625021C3/de not_active Expired
-
1977
- 1977-05-06 CH CH566677A patent/CH616273A5/de not_active IP Right Cessation
- 1977-05-27 FR FR7716296A patent/FR2353949A1/fr active Granted
- 1977-06-02 GB GB2342477A patent/GB1583888A/en not_active Expired
- 1977-06-02 NL NL7706082A patent/NL7706082A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
NL7706082A (nl) | 1977-12-06 |
DE2625021C3 (de) | 1979-06-07 |
CH616273A5 (en) | 1980-03-14 |
DE2625021A1 (de) | 1977-12-08 |
FR2353949A1 (fr) | 1977-12-30 |
DE2625021B2 (de) | 1978-09-14 |
GB1583888A (en) | 1981-02-04 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |