NL53561C - - Google Patents
Info
- Publication number
- NL53561C NL53561C NL53561DA NL53561C NL 53561 C NL53561 C NL 53561C NL 53561D A NL53561D A NL 53561DA NL 53561 C NL53561 C NL 53561C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/52—Circuit arrangements for protecting such amplifiers
- H03F1/54—Circuit arrangements for protecting such amplifiers with tubes only
- H03F1/544—Protection of filaments
-
- 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
- H01J1/135—Circuit arrangements therefor, e.g. for temperature control
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Resistance Heating (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES130412D DE758115C (de) | 1938-01-16 | 1938-01-16 | Einrichtung zum Anlassen von unmittelbar oder ueber Gleichrichter aus einem Wechselstromnetz gespeisten Gluehkathoden |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL53561C true NL53561C (xx) |
Family
ID=7538437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL53561D NL53561C (xx) | 1938-01-16 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE758115C (xx) |
| NL (1) | NL53561C (xx) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE442127C (de) * | 1922-05-17 | 1927-03-22 | C Deguische Dr | Anordnung zum Schutz von Gluehkathodenroehren gegen Spannungserhoehungen der Heizstromquelle |
| DE448674C (de) * | 1924-11-14 | 1927-08-25 | Aeg | Schaltungseinrichtung fuer Verstaerker |
| US1649391A (en) * | 1925-01-23 | 1927-11-15 | Westinghouse Electric & Mfg Co | Protective system for hot-cathode devices |
| US1847888A (en) * | 1929-08-09 | 1932-03-01 | Gen Electric | Resistor |
| US2001567A (en) * | 1933-12-22 | 1935-05-14 | Gen Electric | Electric valve translating circuit |
| DE649523C (de) * | 1934-03-18 | 1937-09-03 | Siemens Reiniger Werke Akt Ges | Einrichtung zum Betrieb von Entladungsroehren mit Gluehkathode, insbesondere Roentgenroehren |
-
0
- NL NL53561D patent/NL53561C/xx active
-
1938
- 1938-01-16 DE DES130412D patent/DE758115C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE758115C (de) | 1952-01-31 |