NL24196C - - Google Patents
Info
- Publication number
- NL24196C NL24196C NL24196DA NL24196C NL 24196 C NL24196 C NL 24196C NL 24196D A NL24196D A NL 24196DA NL 24196 C NL24196 C NL 24196C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/02—Details
- H01J17/04—Electrodes; Screens
- H01J17/06—Cathodes
- H01J17/063—Indirectly heated cathodes, e.g. by the discharge itself
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US268976A US1924318A (en) | 1928-04-10 | 1928-04-10 | Thermionic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL24196C true NL24196C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=23025324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL24196D NL24196C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1928-04-10 |
Country Status (3)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2577239A (en) * | 1949-09-12 | 1951-12-04 | Eitel Mccullough Inc | Cathode and heater structure for electron tubes |
| FR1078606A (fr) * | 1953-04-02 | 1954-11-19 | Csf | Perfectionnements aux cathodes émissives |
| DE1184020B (de) * | 1962-04-30 | 1964-12-23 | M O Valve Co Ltd | Gasentladungsroehre |
| US3760213A (en) * | 1971-04-29 | 1973-09-18 | Coherent Radiation | Anode for a discharge tube |
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0
- NL NL24196D patent/NL24196C/xx active
-
1928
- 1928-04-10 US US268976A patent/US1924318A/en not_active Expired - Lifetime
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1929
- 1929-04-11 DE DEI37630D patent/DE611242C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE611242C (de) | 1935-03-25 |
| US1924318A (en) | 1933-08-29 |