CH321677A - Hot cathode - Google Patents
Hot cathodeInfo
- Publication number
- CH321677A CH321677A CH321677DA CH321677A CH 321677 A CH321677 A CH 321677A CH 321677D A CH321677D A CH 321677DA CH 321677 A CH321677 A CH 321677A
- Authority
- CH
- Switzerland
- Prior art keywords
- hot cathode
- cathode
- hot
- Prior art date
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 |
|---|---|---|---|
| HU321677X | 1952-07-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH321677A true CH321677A (en) | 1957-05-15 |
Family
ID=10978773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH321677D CH321677A (en) | 1952-07-18 | 1953-07-17 | Hot cathode |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH321677A (en) |
| DE (1) | DE965431C (en) |
| FR (1) | FR1113754A (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT151497B (en) * | 1934-03-22 | 1937-11-10 | Telefunken Gmbh | Indirectly heated, dark-emitting cathode. |
| CH236119A (en) * | 1942-03-18 | 1945-01-15 | Fides Gmbh | Indirectly heated hot cathode. |
| BE486002A (en) * | 1947-11-26 |
-
1953
- 1953-06-17 DE DEE7409A patent/DE965431C/en not_active Expired
- 1953-06-29 FR FR1113754D patent/FR1113754A/en not_active Expired
- 1953-07-17 CH CH321677D patent/CH321677A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1113754A (en) | 1956-04-04 |
| DE965431C (en) | 1957-06-06 |
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