NL255625A - - Google Patents
Info
- Publication number
- NL255625A NL255625A NL255625DA NL255625A NL 255625 A NL255625 A NL 255625A NL 255625D A NL255625D A NL 255625DA NL 255625 A NL255625 A NL 255625A
- Authority
- NL
- Netherlands
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES64991A DE1129239B (de) | 1959-09-18 | 1959-09-18 | Steuerbare Hochvakuum-Verstaerkerroehre ohne Heizerkreis und Verfahren zum Betrieb der Roehre |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL255625A true NL255625A (https=) |
Family
ID=7497656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL255625D NL255625A (https=) | 1959-09-18 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3156844A (https=) |
| DE (1) | DE1129239B (https=) |
| NL (1) | NL255625A (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL113461C (https=) * | 1961-03-08 | |||
| US3242374A (en) * | 1961-04-21 | 1966-03-22 | Tung Sol Electric Inc | Cold cathode with nickel base, calcium oxide interface and magnesium oxide layer |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE962282C (de) * | 1953-10-29 | 1957-04-18 | Lorenz C Ag | Oxydkathode fuer Verstaerkerroehren und Schaltungsanordnung fuer eine gittergesteuerte Verstaerkerroehre |
| US2875367A (en) * | 1954-10-22 | 1959-02-24 | Gen Electric | Cathode structures |
| US2939990A (en) * | 1956-05-21 | 1960-06-07 | Int Standard Electric Corp | Oxide cathode for amplifier tubes |
| US2873218A (en) * | 1957-04-16 | 1959-02-10 | Dobischek Dietrich | Method of making an electron emitter |
-
0
- NL NL255625D patent/NL255625A/xx unknown
-
1959
- 1959-09-18 DE DES64991A patent/DE1129239B/de active Pending
-
1960
- 1960-08-31 US US53135A patent/US3156844A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE1129239B (de) | 1962-05-10 |
| US3156844A (en) | 1964-11-10 |