GB697581A - Improvements in cathode sleeves for electron tubes - Google Patents
Improvements in cathode sleeves for electron tubesInfo
- Publication number
- GB697581A GB697581A GB28660/51A GB2866051A GB697581A GB 697581 A GB697581 A GB 697581A GB 28660/51 A GB28660/51 A GB 28660/51A GB 2866051 A GB2866051 A GB 2866051A GB 697581 A GB697581 A GB 697581A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sleeve
- dec
- electron tubes
- cathode sleeves
- embossment
- 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
- 230000037431 insertion Effects 0.000 abstract 2
- 238000003780 insertion Methods 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 1
- 239000010445 mica Substances 0.000 abstract 1
- 229910052618 mica group Inorganic materials 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 abstract 1
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
- H01J1/26—Supports for the emissive material
Landscapes
- Solid Thermionic Cathode (AREA)
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
- Electrodes For Cathode-Ray Tubes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US199752A US2686889A (en) | 1950-12-08 | 1950-12-08 | Cathode sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB697581A true GB697581A (en) | 1953-09-23 |
Family
ID=22738873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB28660/51A Expired GB697581A (en) | 1950-12-08 | 1951-12-06 | Improvements in cathode sleeves for electron tubes |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2686889A (en:Method) |
| BE (1) | BE507670A (en:Method) |
| DE (1) | DE886044C (en:Method) |
| FR (1) | FR1054093A (en:Method) |
| GB (1) | GB697581A (en:Method) |
| NL (1) | NL89871C (en:Method) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1612635A (en) * | 1922-09-22 | 1926-12-28 | Verona Tool Works | Method of making rail bonds |
| US2001355A (en) * | 1932-06-18 | 1935-05-14 | Patent Button Co | Die or anchor for tack buttons |
| US2029482A (en) * | 1934-04-14 | 1936-02-04 | Haslauer Adolf | Cathode for thermionic valves |
| US2324177A (en) * | 1942-01-01 | 1943-07-13 | Rca Corp | Cathode sleeve |
| US2536677A (en) * | 1944-08-31 | 1951-01-02 | Sylvania Electric Prod | Base threading method and apparatus |
-
0
- NL NL89871D patent/NL89871C/xx active
- BE BE507670D patent/BE507670A/xx unknown
-
1950
- 1950-12-08 US US199752A patent/US2686889A/en not_active Expired - Lifetime
-
1951
- 1951-11-12 FR FR1054093D patent/FR1054093A/fr not_active Expired
- 1951-12-06 GB GB28660/51A patent/GB697581A/en not_active Expired
- 1951-12-08 DE DER7827A patent/DE886044C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE507670A (en:Method) | |
| DE886044C (de) | 1953-08-10 |
| NL89871C (en:Method) | |
| FR1054093A (fr) | 1954-02-08 |
| US2686889A (en) | 1954-08-17 |
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