GB699287A - Improvements in or relating to supply cathodes and discharge tubes comprising such supply cathodes - Google Patents
Improvements in or relating to supply cathodes and discharge tubes comprising such supply cathodesInfo
- Publication number
- GB699287A GB699287A GB17731/52A GB1773152A GB699287A GB 699287 A GB699287 A GB 699287A GB 17731/52 A GB17731/52 A GB 17731/52A GB 1773152 A GB1773152 A GB 1773152A GB 699287 A GB699287 A GB 699287A
- Authority
- GB
- United Kingdom
- Prior art keywords
- supply
- supply cathodes
- cathodes
- relating
- july
- 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
Landscapes
- Solid Thermionic Cathode (AREA)
- Electron Sources, Ion Sources (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL309313X | 1951-07-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB699287A true GB699287A (en) | 1953-11-04 |
Family
ID=19783575
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB17731/52A Expired GB699287A (en) | 1951-07-17 | 1952-07-14 | Improvements in or relating to supply cathodes and discharge tubes comprising such supply cathodes |
Country Status (5)
Country | Link |
---|---|
US (1) | US2737607A (fi) |
BE (1) | BE512852A (fi) |
CH (1) | CH309313A (fi) |
FR (1) | FR1071683A (fi) |
GB (1) | GB699287A (fi) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2928013A (en) * | 1954-12-23 | 1960-03-08 | Siemens Ag | Electrical discharge device |
BE561832A (fi) * | 1956-10-24 | |||
US3079515A (en) * | 1960-08-22 | 1963-02-26 | Gen Electric | Energy conversion device and methods of making |
US3258636A (en) * | 1961-09-01 | 1966-06-28 | Electron emitter with activator of sill cide, boride or carbide of solid solu- tion of barium and at least one other alkaline earth metal | |
GB1167157A (en) * | 1966-01-08 | 1969-10-15 | Matsushita Electronics Corp | Electric Discharge Tube. |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1720654A (en) * | 1925-05-13 | 1929-07-09 | Radio Patents Corp | Photo-electric cell |
US1936334A (en) * | 1929-01-31 | 1933-11-21 | Gen Scientific Corp | Electrode |
US2121589A (en) * | 1934-06-28 | 1938-06-21 | Westinghouse Electric & Mfg Co | Emissive incandescent cathode |
BE486002A (fi) * | 1947-11-26 | |||
US2647216A (en) * | 1950-04-01 | 1953-07-28 | Rca Corp | Dispenser cathode |
-
0
- BE BE512852D patent/BE512852A/xx unknown
-
1952
- 1952-07-05 US US297306A patent/US2737607A/en not_active Expired - Lifetime
- 1952-07-14 GB GB17731/52A patent/GB699287A/en not_active Expired
- 1952-07-15 FR FR1071683D patent/FR1071683A/fr not_active Expired
- 1952-07-15 CH CH309313D patent/CH309313A/de unknown
Also Published As
Publication number | Publication date |
---|---|
CH309313A (de) | 1955-08-31 |
FR1071683A (fr) | 1954-09-03 |
BE512852A (fi) | |
US2737607A (en) | 1956-03-06 |
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