FR1226931A - Indirectly heated cathode - Google Patents
Indirectly heated cathodeInfo
- Publication number
- FR1226931A FR1226931A FR796994A FR796994A FR1226931A FR 1226931 A FR1226931 A FR 1226931A FR 796994 A FR796994 A FR 796994A FR 796994 A FR796994 A FR 796994A FR 1226931 A FR1226931 A FR 1226931A
- Authority
- FR
- France
- Prior art keywords
- indirectly heated
- heated cathode
- cathode
- indirectly
- heated
- 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
- H01J1/22—Heaters
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB18535/58A GB848589A (en) | 1958-06-10 | 1958-06-10 | Improvements relating to cathode heaters |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1226931A true FR1226931A (en) | 1960-08-18 |
Family
ID=10114082
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR796994A Expired FR1226931A (en) | 1958-06-10 | 1959-06-09 | Indirectly heated cathode |
Country Status (5)
Country | Link |
---|---|
US (1) | US2935638A (en) |
DE (1) | DE1124158B (en) |
FR (1) | FR1226931A (en) |
GB (1) | GB848589A (en) |
NL (1) | NL105737C (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2404362B1 (en) * | 1974-01-30 | 1975-07-31 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Radiator for an indirectly heated cathode |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE868319C (en) * | 1944-01-26 | 1953-02-23 | Wiener Radiowerke Ag | Heating element for indirectly heated cathodes of discharge tubes |
-
0
- NL NL105737D patent/NL105737C/xx active
-
1958
- 1958-06-10 GB GB18535/58A patent/GB848589A/en not_active Expired
-
1959
- 1959-06-02 US US817575A patent/US2935638A/en not_active Expired - Lifetime
- 1959-06-09 DE DES63378A patent/DE1124158B/en active Pending
- 1959-06-09 FR FR796994A patent/FR1226931A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2935638A (en) | 1960-05-03 |
GB848589A (en) | 1960-09-21 |
DE1124158B (en) | 1962-02-22 |
NL105737C (en) |
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